diff options
Diffstat (limited to 'SOURCES/patch-5.15-redhat.patch')
| -rw-r--r-- | SOURCES/patch-5.15-redhat.patch | 2125 |
1 files changed, 0 insertions, 2125 deletions
diff --git a/SOURCES/patch-5.15-redhat.patch b/SOURCES/patch-5.15-redhat.patch deleted file mode 100644 index 793de53..0000000 --- a/SOURCES/patch-5.15-redhat.patch +++ /dev/null @@ -1,2125 +0,0 @@ - Documentation/admin-guide/kernel-parameters.txt | 9 ++ - Makefile | 4 + - arch/arm/Kconfig | 4 +- - arch/arm64/Kconfig | 3 +- - .../boot/dts/rockchip/rk3399-pinebook-pro.dts | 2 +- - arch/arm64/kernel/acpi.c | 2 +- - arch/s390/include/asm/ipl.h | 1 + - arch/s390/kernel/ipl.c | 5 + - arch/s390/kernel/setup.c | 4 + - arch/x86/include/asm/pci_x86.h | 10 ++ - arch/x86/kernel/resource.c | 4 + - arch/x86/kernel/setup.c | 22 ++-- - arch/x86/pci/acpi.c | 49 ++++++-- - arch/x86/pci/common.c | 6 + - crypto/rng.c | 73 +++++++++++- - drivers/acpi/apei/hest.c | 8 ++ - drivers/acpi/irq.c | 17 ++- - drivers/acpi/scan.c | 9 ++ - drivers/ata/libahci.c | 18 +++ - drivers/char/ipmi/ipmi_dmi.c | 15 +++ - drivers/char/ipmi/ipmi_msghandler.c | 16 ++- - drivers/char/random.c | 115 +++++++++++++++++++ - drivers/firmware/efi/Makefile | 1 + - drivers/firmware/efi/efi.c | 124 +++++++++++++++------ - drivers/firmware/efi/secureboot.c | 38 +++++++ - drivers/gpu/drm/amd/amdgpu/cik.c | 4 + - drivers/gpu/drm/amd/amdgpu/vi.c | 4 + - drivers/hid/hid-rmi.c | 64 ----------- - drivers/hwtracing/coresight/coresight-etm4x-core.c | 19 ++++ - drivers/input/rmi4/rmi_driver.c | 124 ++++++++++++--------- - drivers/iommu/iommu.c | 22 ++++ - drivers/net/wireless/intel/iwlwifi/mvm/scan.c | 2 +- - drivers/net/wireless/marvell/mwifiex/usb.c | 3 +- - drivers/nvme/host/core.c | 22 +++- - drivers/nvme/host/multipath.c | 19 ++-- - drivers/nvme/host/nvme.h | 4 + - drivers/pci/quirks.c | 24 ++++ - drivers/platform/x86/thinkpad_acpi.c | 4 +- - drivers/usb/core/hub.c | 7 ++ - include/linux/efi.h | 22 ++-- - include/linux/lsm_hook_defs.h | 2 + - include/linux/lsm_hooks.h | 6 + - include/linux/random.h | 7 ++ - include/linux/rmi.h | 1 + - include/linux/security.h | 5 + - include/net/netfilter/nf_conntrack.h | 1 + - init/Kconfig | 2 +- - kernel/module_signing.c | 9 +- - net/netfilter/nf_conntrack_core.c | 3 + - net/netfilter/nf_nat_core.c | 43 ++++++- - scripts/tags.sh | 2 + - security/integrity/platform_certs/load_uefi.c | 6 +- - security/lockdown/Kconfig | 13 +++ - security/lockdown/lockdown.c | 1 + - security/security.c | 6 + - tools/testing/selftests/netfilter/nft_nat.sh | 5 +- - 56 files changed, 808 insertions(+), 207 deletions(-) - -diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt -index 8ff6dafafdf8..e3f786336cf9 100644 ---- a/Documentation/admin-guide/kernel-parameters.txt -+++ b/Documentation/admin-guide/kernel-parameters.txt -@@ -3955,6 +3955,15 @@ - please report a bug. - nocrs [X86] Ignore PCI host bridge windows from ACPI. - If you need to use this, please report a bug. -+ use_e820 [X86] Use E820 reservations to exclude parts of -+ PCI host bridge windows. This is a workaround -+ for BIOS defects in host bridge _CRS methods. -+ If you need to use this, please report a bug to -+ <linux-pci@vger.kernel.org>. -+ no_e820 [X86] Ignore E820 reservations for PCI host -+ bridge windows. This is the default on modern -+ hardware. If you need to use this, please report -+ a bug to <linux-pci@vger.kernel.org>. - routeirq Do IRQ routing for all PCI devices. - This is normally done in pci_enable_device(), - so this option is a temporary workaround -diff --git a/Makefile b/Makefile -index af173c9df942..b8b62c920fdf 100644 ---- a/Makefile -+++ b/Makefile -@@ -18,6 +18,10 @@ $(if $(filter __%, $(MAKECMDGOALS)), \ - PHONY := __all - __all: - -+# Set RHEL variables -+# Use this spot to avoid future merge conflicts -+include Makefile.rhelver -+ - # We are using a recursive build, so we need to do a little thinking - # to get the ordering right. - # -diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig -index 4ebd512043be..6743668b7b33 100644 ---- a/arch/arm/Kconfig -+++ b/arch/arm/Kconfig -@@ -1471,9 +1471,9 @@ config HIGHMEM - If unsure, say n. - - config HIGHPTE -- bool "Allocate 2nd-level pagetables from highmem" if EXPERT -+ bool "Allocate 2nd-level pagetables from highmem" - depends on HIGHMEM -- default y -+ default n - help - The VM uses one page of physical memory for each page table. - For systems with a lot of processes, this can use a lot of -diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig -index 0758ea0717f9..fb57b7a992d4 100644 ---- a/arch/arm64/Kconfig -+++ b/arch/arm64/Kconfig -@@ -911,7 +911,7 @@ endchoice - - config ARM64_FORCE_52BIT - bool "Force 52-bit virtual addresses for userspace" -- depends on ARM64_VA_BITS_52 && EXPERT -+ depends on ARM64_VA_BITS_52 - help - For systems with 52-bit userspace VAs enabled, the kernel will attempt - to maintain compatibility with older software by providing 48-bit VAs -@@ -1152,6 +1152,7 @@ config XEN - config FORCE_MAX_ZONEORDER - int - default "14" if ARM64_64K_PAGES -+ default "13" if (ARCH_THUNDER && !ARM64_64K_PAGES) - default "12" if ARM64_16K_PAGES - default "11" - help -diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts -index 9e5d07f5712e..dae8c252bc2b 100644 ---- a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts -+++ b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts -@@ -707,7 +707,7 @@ fusb0: fusb30x@22 { - - connector { - compatible = "usb-c-connector"; -- data-role = "host"; -+ data-role = "dual"; - label = "USB-C"; - op-sink-microwatt = <1000000>; - power-role = "dual"; -diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c -index f3851724fe35..cac21da49455 100644 ---- a/arch/arm64/kernel/acpi.c -+++ b/arch/arm64/kernel/acpi.c -@@ -40,7 +40,7 @@ int acpi_pci_disabled = 1; /* skip ACPI PCI scan and IRQ initialization */ - EXPORT_SYMBOL(acpi_pci_disabled); - - static bool param_acpi_off __initdata; --static bool param_acpi_on __initdata; -+static bool param_acpi_on __initdata = true; - static bool param_acpi_force __initdata; - - static int __init parse_acpi(char *arg) -diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h -index 3f8ee257f9aa..3ab92feb6241 100644 ---- a/arch/s390/include/asm/ipl.h -+++ b/arch/s390/include/asm/ipl.h -@@ -128,6 +128,7 @@ int ipl_report_add_component(struct ipl_report *report, struct kexec_buf *kbuf, - unsigned char flags, unsigned short cert); - int ipl_report_add_certificate(struct ipl_report *report, void *key, - unsigned long addr, unsigned long len); -+bool ipl_get_secureboot(void); - - /* - * DIAG 308 support -diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c -index 5ad1dde23dc5..b6192d58eed3 100644 ---- a/arch/s390/kernel/ipl.c -+++ b/arch/s390/kernel/ipl.c -@@ -2216,3 +2216,8 @@ int ipl_report_free(struct ipl_report *report) - } - - #endif -+ -+bool ipl_get_secureboot(void) -+{ -+ return !!ipl_secure_flag; -+} -diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c -index ee67215a678a..931955a9ceca 100644 ---- a/arch/s390/kernel/setup.c -+++ b/arch/s390/kernel/setup.c -@@ -49,6 +49,7 @@ - #include <linux/memory.h> - #include <linux/compat.h> - #include <linux/start_kernel.h> -+#include <linux/security.h> - #include <linux/hugetlb.h> - #include <linux/kmemleak.h> - -@@ -970,6 +971,9 @@ void __init setup_arch(char **cmdline_p) - - log_component_list(); - -+ if (ipl_get_secureboot()) -+ security_lock_kernel_down("Secure IPL mode", LOCKDOWN_INTEGRITY_MAX); -+ - /* Have one command line that is parsed and saved in /proc/cmdline */ - /* boot_command_line has been already set up in early.c */ - *cmdline_p = boot_command_line; -diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h -index 490411dba438..0bb4e7dd0ffc 100644 ---- a/arch/x86/include/asm/pci_x86.h -+++ b/arch/x86/include/asm/pci_x86.h -@@ -39,6 +39,8 @@ do { \ - #define PCI_ROOT_NO_CRS 0x100000 - #define PCI_NOASSIGN_BARS 0x200000 - #define PCI_BIG_ROOT_WINDOW 0x400000 -+#define PCI_USE_E820 0x800000 -+#define PCI_NO_E820 0x1000000 - - extern unsigned int pci_probe; - extern unsigned long pirq_table_addr; -@@ -64,6 +66,8 @@ void pcibios_scan_specific_bus(int busn); - - /* pci-irq.c */ - -+struct pci_dev; -+ - struct irq_info { - u8 bus, devfn; /* Bus, device and function */ - struct { -@@ -232,3 +236,9 @@ static inline void mmio_config_writel(void __iomem *pos, u32 val) - # define x86_default_pci_init_irq NULL - # define x86_default_pci_fixup_irqs NULL - #endif -+ -+#if defined(CONFIG_PCI) && defined(CONFIG_ACPI) -+extern bool pci_use_e820; -+#else -+#define pci_use_e820 false -+#endif -diff --git a/arch/x86/kernel/resource.c b/arch/x86/kernel/resource.c -index 9b9fb7882c20..e8dc9bc327bd 100644 ---- a/arch/x86/kernel/resource.c -+++ b/arch/x86/kernel/resource.c -@@ -1,6 +1,7 @@ - // SPDX-License-Identifier: GPL-2.0 - #include <linux/ioport.h> - #include <asm/e820/api.h> -+#include <asm/pci_x86.h> - - static void resource_clip(struct resource *res, resource_size_t start, - resource_size_t end) -@@ -28,6 +29,9 @@ static void remove_e820_regions(struct resource *avail) - int i; - struct e820_entry *entry; - -+ if (!pci_use_e820) -+ return; -+ - for (i = 0; i < e820_table->nr_entries; i++) { - entry = &e820_table->entries[i]; - -diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c -index 48596f9fddf4..b31d4f581b66 100644 ---- a/arch/x86/kernel/setup.c -+++ b/arch/x86/kernel/setup.c -@@ -20,6 +20,7 @@ - #include <linux/root_dev.h> - #include <linux/hugetlb.h> - #include <linux/tboot.h> -+#include <linux/security.h> - #include <linux/usb/xhci-dbgp.h> - #include <linux/static_call.h> - #include <linux/swiotlb.h> -@@ -929,6 +930,13 @@ void __init setup_arch(char **cmdline_p) - if (efi_enabled(EFI_BOOT)) - efi_init(); - -+ efi_set_secure_boot(boot_params.secure_boot); -+ -+#ifdef CONFIG_LOCK_DOWN_IN_EFI_SECURE_BOOT -+ if (efi_enabled(EFI_SECURE_BOOT)) -+ security_lock_kernel_down("EFI Secure Boot mode", LOCKDOWN_INTEGRITY_MAX); -+#endif -+ - dmi_setup(); - - /* -@@ -1094,19 +1102,7 @@ void __init setup_arch(char **cmdline_p) - /* Allocate bigger log buffer */ - setup_log_buf(1); - -- if (efi_enabled(EFI_BOOT)) { -- switch (boot_params.secure_boot) { -- case efi_secureboot_mode_disabled: -- pr_info("Secure boot disabled\n"); -- break; -- case efi_secureboot_mode_enabled: -- pr_info("Secure boot enabled\n"); -- break; -- default: -- pr_info("Secure boot could not be determined\n"); -- break; -- } -- } -+ efi_set_secure_boot(boot_params.secure_boot); - - reserve_initrd(); - -diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c -index 948656069cdd..f357dac92610 100644 ---- a/arch/x86/pci/acpi.c -+++ b/arch/x86/pci/acpi.c -@@ -1,4 +1,7 @@ - // SPDX-License-Identifier: GPL-2.0 -+ -+#define pr_fmt(fmt) "PCI: " fmt -+ - #include <linux/pci.h> - #include <linux/acpi.h> - #include <linux/init.h> -@@ -21,6 +24,8 @@ struct pci_root_info { - - static bool pci_use_crs = true; - static bool pci_ignore_seg = false; -+/* Consumed in arch/x86/kernel/resource.c */ -+bool pci_use_e820 = false; - - static int __init set_use_crs(const struct dmi_system_id *id) - { -@@ -36,7 +41,7 @@ static int __init set_nouse_crs(const struct dmi_system_id *id) - - static int __init set_ignore_seg(const struct dmi_system_id *id) - { -- printk(KERN_INFO "PCI: %s detected: ignoring ACPI _SEG\n", id->ident); -+ pr_info("%s detected: ignoring ACPI _SEG\n", id->ident); - pci_ignore_seg = true; - return 0; - } -@@ -156,10 +161,35 @@ void __init pci_acpi_crs_quirks(void) - else if (pci_probe & PCI_USE__CRS) - pci_use_crs = true; - -- printk(KERN_INFO "PCI: %s host bridge windows from ACPI; " -- "if necessary, use \"pci=%s\" and report a bug\n", -- pci_use_crs ? "Using" : "Ignoring", -- pci_use_crs ? "nocrs" : "use_crs"); -+ pr_info("%s host bridge windows from ACPI; if necessary, use \"pci=%s\" and report a bug\n", -+ pci_use_crs ? "Using" : "Ignoring", -+ pci_use_crs ? "nocrs" : "use_crs"); -+ -+ /* -+ * Some BIOS-es contain a bug where they add addresses which map to -+ * system RAM in the PCI host bridge window returned by the ACPI _CRS -+ * method, see commit 4dc2287c1805 ("x86: avoid E820 regions when -+ * allocating address space"). To avoid this Linux by default excludes -+ * E820 reservations when allocating addresses since 2010. -+ * In 2020 some systems have shown-up with E820 reservations which cover -+ * the entire _CRS returned PCI host bridge window, causing all attempts -+ * to assign memory to PCI BARs to fail if Linux uses E820 reservations. -+ * -+ * Ideally Linux would fully stop using E820 reservations, but then -+ * the old systems this was added for will regress. -+ * Instead keep the old behavior for old systems, while ignoring the -+ * E820 reservations for any systems from now on. -+ */ -+ if (year >= 0 && year < 2018) -+ pci_use_e820 = true; -+ -+ if (pci_probe & PCI_NO_E820) -+ pci_use_e820 = false; -+ else if (pci_probe & PCI_USE_E820) -+ pci_use_e820 = true; -+ -+ pr_info("%s E820 reservations for host bridge windows\n", -+ pci_use_e820 ? "Using" : "Ignoring"); - } - - #ifdef CONFIG_PCI_MMCONFIG -@@ -334,9 +364,8 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root) - root->segment = domain = 0; - - if (domain && !pci_domains_supported) { -- printk(KERN_WARNING "pci_bus %04x:%02x: " -- "ignored (multiple domains not supported)\n", -- domain, busnum); -+ pr_warn("pci_bus %04x:%02x: ignored (multiple domains not supported)\n", -+ domain, busnum); - return NULL; - } - -@@ -404,7 +433,7 @@ int __init pci_acpi_init(void) - if (acpi_noirq) - return -ENODEV; - -- printk(KERN_INFO "PCI: Using ACPI for IRQ routing\n"); -+ pr_info("Using ACPI for IRQ routing\n"); - acpi_irq_penalty_init(); - pcibios_enable_irq = acpi_pci_irq_enable; - pcibios_disable_irq = acpi_pci_irq_disable; -@@ -416,7 +445,7 @@ int __init pci_acpi_init(void) - * also do it here in case there are still broken drivers that - * don't use pci_enable_device(). - */ -- printk(KERN_INFO "PCI: Routing PCI interrupts for all devices because \"pci=routeirq\" specified\n"); -+ pr_info("Routing PCI interrupts for all devices because \"pci=routeirq\" specified\n"); - for_each_pci_dev(dev) - acpi_pci_irq_enable(dev); - } -diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c -index 3507f456fcd0..091ec7e94fcb 100644 ---- a/arch/x86/pci/common.c -+++ b/arch/x86/pci/common.c -@@ -595,6 +595,12 @@ char *__init pcibios_setup(char *str) - } else if (!strcmp(str, "nocrs")) { - pci_probe |= PCI_ROOT_NO_CRS; - return NULL; -+ } else if (!strcmp(str, "use_e820")) { -+ pci_probe |= PCI_USE_E820; -+ return NULL; -+ } else if (!strcmp(str, "no_e820")) { -+ pci_probe |= PCI_NO_E820; -+ return NULL; - #ifdef CONFIG_PHYS_ADDR_T_64BIT - } else if (!strcmp(str, "big_root_window")) { - pci_probe |= PCI_BIG_ROOT_WINDOW; -diff --git a/crypto/rng.c b/crypto/rng.c -index fea082b25fe4..50a9d040bed1 100644 ---- a/crypto/rng.c -+++ b/crypto/rng.c -@@ -11,14 +11,17 @@ - #include <linux/atomic.h> - #include <crypto/internal/rng.h> - #include <linux/err.h> -+#include <linux/fips.h> -+#include <linux/kernel.h> - #include <linux/module.h> - #include <linux/mutex.h> - #include <linux/random.h> - #include <linux/seq_file.h> -+#include <linux/sched.h> -+#include <linux/sched/signal.h> - #include <linux/slab.h> - #include <linux/string.h> - #include <linux/cryptouser.h> --#include <linux/compiler.h> - #include <net/netlink.h> - - #include "internal.h" -@@ -224,5 +227,73 @@ void crypto_unregister_rngs(struct rng_alg *algs, int count) - } - EXPORT_SYMBOL_GPL(crypto_unregister_rngs); - -+static ssize_t crypto_devrandom_read(void __user *buf, size_t buflen) -+{ -+ u8 tmp[256]; -+ ssize_t ret; -+ -+ if (!buflen) -+ return 0; -+ -+ ret = crypto_get_default_rng(); -+ if (ret) -+ return ret; -+ -+ for (;;) { -+ int err; -+ int i; -+ -+ i = min_t(int, buflen, sizeof(tmp)); -+ err = crypto_rng_get_bytes(crypto_default_rng, tmp, i); -+ if (err) { -+ ret = err; -+ break; -+ } -+ -+ if (copy_to_user(buf, tmp, i)) { -+ ret = -EFAULT; -+ break; -+ } -+ -+ buflen -= i; -+ buf += i; -+ ret += i; -+ -+ if (!buflen) -+ break; -+ -+ if (need_resched()) { -+ if (signal_pending(current)) -+ break; -+ schedule(); -+ } -+ } -+ -+ crypto_put_default_rng(); -+ memzero_explicit(tmp, sizeof(tmp)); -+ -+ return ret; -+} -+ -+static const struct random_extrng crypto_devrandom_rng = { -+ .extrng_read = crypto_devrandom_read, -+ .owner = THIS_MODULE, -+}; -+ -+static int __init crypto_rng_init(void) -+{ -+ if (fips_enabled) -+ random_register_extrng(&crypto_devrandom_rng); -+ return 0; -+} -+ -+static void __exit crypto_rng_exit(void) -+{ -+ random_unregister_extrng(); -+} -+ -+late_initcall(crypto_rng_init); -+module_exit(crypto_rng_exit); -+ - MODULE_LICENSE("GPL"); - MODULE_DESCRIPTION("Random Number Generator"); -diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c -index 277f00b288d1..adbce15c273d 100644 ---- a/drivers/acpi/apei/hest.c -+++ b/drivers/acpi/apei/hest.c -@@ -94,6 +94,14 @@ int apei_hest_parse(apei_hest_func_t func, void *data) - if (hest_disable || !hest_tab) - return -EINVAL; - -+#ifdef CONFIG_ARM64 -+ /* Ignore broken firmware */ -+ if (!strncmp(hest_tab->header.oem_id, "HPE ", 6) && -+ !strncmp(hest_tab->header.oem_table_id, "ProLiant", 8) && -+ MIDR_IMPLEMENTOR(read_cpuid_id()) == ARM_CPU_IMP_APM) -+ return -EINVAL; -+#endif -+ - hest_hdr = (struct acpi_hest_header *)(hest_tab + 1); - for (i = 0; i < hest_tab->error_source_count; i++) { - len = hest_esrc_len(hest_hdr); -diff --git a/drivers/acpi/irq.c b/drivers/acpi/irq.c -index c68e694fca26..146cba5ae5bc 100644 ---- a/drivers/acpi/irq.c -+++ b/drivers/acpi/irq.c -@@ -130,6 +130,7 @@ struct acpi_irq_parse_one_ctx { - unsigned int index; - unsigned long *res_flags; - struct irq_fwspec *fwspec; -+ bool skip_producer_check; - }; - - /** -@@ -201,7 +202,8 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares, - return AE_CTRL_TERMINATE; - case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: - eirq = &ares->data.extended_irq; -- if (eirq->producer_consumer == ACPI_PRODUCER) -+ if (!ctx->skip_producer_check && -+ eirq->producer_consumer == ACPI_PRODUCER) - return AE_OK; - if (ctx->index >= eirq->interrupt_count) { - ctx->index -= eirq->interrupt_count; -@@ -236,8 +238,19 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares, - static int acpi_irq_parse_one(acpi_handle handle, unsigned int index, - struct irq_fwspec *fwspec, unsigned long *flags) - { -- struct acpi_irq_parse_one_ctx ctx = { -EINVAL, index, flags, fwspec }; -+ struct acpi_irq_parse_one_ctx ctx = { -EINVAL, index, flags, fwspec, false }; - -+ /* -+ * Firmware on arm64-based HPE m400 platform incorrectly marks -+ * its UART interrupt as ACPI_PRODUCER rather than ACPI_CONSUMER. -+ * Don't do the producer/consumer check for that device. -+ */ -+ if (IS_ENABLED(CONFIG_ARM64)) { -+ struct acpi_device *adev = acpi_bus_get_acpi_device(handle); -+ -+ if (adev && !strcmp(acpi_device_hid(adev), "APMC0D08")) -+ ctx.skip_producer_check = true; -+ } - acpi_walk_resources(handle, METHOD_NAME__CRS, acpi_irq_parse_one_cb, &ctx); - return ctx.rc; - } -diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c -index 5b54c80b9d32..86c314f8d8a0 100644 ---- a/drivers/acpi/scan.c -+++ b/drivers/acpi/scan.c -@@ -1720,6 +1720,15 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device) - if (!acpi_match_device_ids(device, i2c_multi_instantiate_ids)) - return false; - -+ /* -+ * Firmware on some arm64 X-Gene platforms will make the UART -+ * device appear as both a UART and a slave of that UART. Just -+ * bail out here for X-Gene UARTs. -+ */ -+ if (IS_ENABLED(CONFIG_ARM64) && -+ !strcmp(acpi_device_hid(device), "APMC0D08")) -+ return false; -+ - INIT_LIST_HEAD(&resource_list); - acpi_dev_get_resources(device, &resource_list, - acpi_check_serial_bus_slave, -diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c -index 395772fa3943..35aa1b420262 100644 ---- a/drivers/ata/libahci.c -+++ b/drivers/ata/libahci.c -@@ -672,6 +672,24 @@ int ahci_stop_engine(struct ata_port *ap) - tmp &= ~PORT_CMD_START; - writel(tmp, port_mmio + PORT_CMD); - -+#ifdef CONFIG_ARM64 -+ /* Rev Ax of Cavium CN99XX needs a hack for port stop */ -+ if (dev_is_pci(ap->host->dev) && -+ to_pci_dev(ap->host->dev)->vendor == 0x14e4 && -+ to_pci_dev(ap->host->dev)->device == 0x9027 && -+ midr_is_cpu_model_range(read_cpuid_id(), -+ MIDR_CPU_MODEL(ARM_CPU_IMP_BRCM, BRCM_CPU_PART_VULCAN), -+ MIDR_CPU_VAR_REV(0, 0), -+ MIDR_CPU_VAR_REV(0, MIDR_REVISION_MASK))) { -+ tmp = readl(hpriv->mmio + 0x8000); -+ udelay(100); -+ writel(tmp | (1 << 26), hpriv->mmio + 0x8000); -+ udelay(100); -+ writel(tmp & ~(1 << 26), hpriv->mmio + 0x8000); -+ dev_warn(ap->host->dev, "CN99XX SATA reset workaround applied\n"); -+ } -+#endif -+ - /* wait for engine to stop. This could be as long as 500 msec */ - tmp = ata_wait_register(ap, port_mmio + PORT_CMD, - PORT_CMD_LIST_ON, PORT_CMD_LIST_ON, 1, 500); -diff --git a/drivers/char/ipmi/ipmi_dmi.c b/drivers/char/ipmi/ipmi_dmi.c -index bbf7029e224b..cf7faa970dd6 100644 ---- a/drivers/char/ipmi/ipmi_dmi.c -+++ b/drivers/char/ipmi/ipmi_dmi.c -@@ -215,6 +215,21 @@ static int __init scan_for_dmi_ipmi(void) - { - const struct dmi_device *dev = NULL; - -+#ifdef CONFIG_ARM64 -+ /* RHEL-only -+ * If this is ARM-based HPE m400, return now, because that platform -+ * reports the host-side ipmi address as intel port-io space, which -+ * does not exist in the ARM architecture. -+ */ -+ const char *dmistr = dmi_get_system_info(DMI_PRODUCT_NAME); -+ -+ if (dmistr && (strcmp("ProLiant m400 Server", dmistr) == 0)) { -+ pr_debug("%s does not support host ipmi\n", dmistr); -+ return 0; -+ } -+ /* END RHEL-only */ -+#endif -+ - while ((dev = dmi_find_device(DMI_DEV_TYPE_IPMI, NULL, dev))) - dmi_decode_ipmi((const struct dmi_header *) dev->device_data); - -diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c -index fe91090e04a4..f00bc6886913 100644 ---- a/drivers/char/ipmi/ipmi_msghandler.c -+++ b/drivers/char/ipmi/ipmi_msghandler.c -@@ -35,6 +35,7 @@ - #include <linux/uuid.h> - #include <linux/nospec.h> - #include <linux/vmalloc.h> -+#include <linux/dmi.h> - #include <linux/delay.h> - - #define IPMI_DRIVER_VERSION "39.2" -@@ -5178,8 +5179,21 @@ static int __init ipmi_init_msghandler_mod(void) - { - int rv; - -- pr_info("version " IPMI_DRIVER_VERSION "\n"); -+#ifdef CONFIG_ARM64 -+ /* RHEL-only -+ * If this is ARM-based HPE m400, return now, because that platform -+ * reports the host-side ipmi address as intel port-io space, which -+ * does not exist in the ARM architecture. -+ */ -+ const char *dmistr = dmi_get_system_info(DMI_PRODUCT_NAME); - -+ if (dmistr && (strcmp("ProLiant m400 Server", dmistr) == 0)) { -+ pr_debug("%s does not support host ipmi\n", dmistr); -+ return -ENOSYS; -+ } -+ /* END RHEL-only */ -+#endif -+ pr_info("version " IPMI_DRIVER_VERSION "\n"); - mutex_lock(&ipmi_interfaces_mutex); - rv = ipmi_register_driver(); - mutex_unlock(&ipmi_interfaces_mutex); -diff --git a/drivers/char/random.c b/drivers/char/random.c -index 7470ee24db2f..a3ac18f64ba7 100644 ---- a/drivers/char/random.c -+++ b/drivers/char/random.c -@@ -335,6 +335,7 @@ - #include <linux/syscalls.h> - #include <linux/completion.h> - #include <linux/uuid.h> -+#include <linux/rcupdate.h> - #include <crypto/chacha.h> - #include <crypto/sha1.h> - -@@ -349,6 +350,11 @@ - - /* #define ADD_INTERRUPT_BENCH */ - -+/* -+ * Hook for external RNG. -+ */ -+static const struct random_extrng __rcu *extrng; -+ - /* - * Configuration information - */ -@@ -482,6 +488,9 @@ static int ratelimit_disable __read_mostly; - module_param_named(ratelimit_disable, ratelimit_disable, int, 0644); - MODULE_PARM_DESC(ratelimit_disable, "Disable random ratelimit suppression"); - -+static const struct file_operations extrng_random_fops; -+static const struct file_operations extrng_urandom_fops; -+ - /********************************************************************** - * - * OS independent entropy store. Here are the functions which handle -@@ -1878,6 +1887,13 @@ random_poll(struct file *file, poll_table * wait) - return mask; - } - -+static __poll_t -+extrng_poll(struct file *file, poll_table * wait) -+{ -+ /* extrng pool is always full, always read, no writes */ -+ return EPOLLIN | EPOLLRDNORM; -+} -+ - static int - write_pool(struct entropy_store *r, const char __user *buffer, size_t count) - { -@@ -1981,7 +1997,58 @@ static int random_fasync(int fd, struct file *filp, int on) - return fasync_helper(fd, filp, on, &fasync); - } - -+static int random_open(struct inode *inode, struct file *filp) -+{ -+ const struct random_extrng *rng; -+ -+ rcu_read_lock(); -+ rng = rcu_dereference(extrng); -+ if (rng && !try_module_get(rng->owner)) -+ rng = NULL; -+ rcu_read_unlock(); -+ -+ if (!rng) -+ return 0; -+ -+ filp->f_op = &extrng_random_fops; -+ filp->private_data = rng->owner; -+ -+ return 0; -+} -+ -+static int urandom_open(struct inode *inode, struct file *filp) -+{ -+ const struct random_extrng *rng; -+ -+ rcu_read_lock(); -+ rng = rcu_dereference(extrng); -+ if (rng && !try_module_get(rng->owner)) -+ rng = NULL; -+ rcu_read_unlock(); -+ -+ if (!rng) -+ return 0; -+ -+ filp->f_op = &extrng_urandom_fops; -+ filp->private_data = rng->owner; -+ -+ return 0; -+} -+ -+static int extrng_release(struct inode *inode, struct file *filp) -+{ -+ module_put(filp->private_data); -+ return 0; -+} -+ -+static ssize_t -+extrng_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) -+{ -+ return rcu_dereference_raw(extrng)->extrng_read(buf, nbytes); -+} -+ - const struct file_operations random_fops = { -+ .open = random_open, - .read = random_read, - .write = random_write, - .poll = random_poll, -@@ -1992,6 +2059,7 @@ const struct file_operations random_fops = { - }; - - const struct file_operations urandom_fops = { -+ .open = urandom_open, - .read = urandom_read, - .write = random_write, - .unlocked_ioctl = random_ioctl, -@@ -2000,9 +2068,31 @@ const struct file_operations urandom_fops = { - .llseek = noop_llseek, - }; - -+static const struct file_operations extrng_random_fops = { -+ .open = random_open, -+ .read = extrng_read, -+ .write = random_write, -+ .poll = extrng_poll, -+ .unlocked_ioctl = random_ioctl, -+ .fasync = random_fasync, -+ .llseek = noop_llseek, -+ .release = extrng_release, -+}; -+ -+static const struct file_operations extrng_urandom_fops = { -+ .open = urandom_open, -+ .read = extrng_read, -+ .write = random_write, -+ .unlocked_ioctl = random_ioctl, -+ .fasync = random_fasync, -+ .llseek = noop_llseek, -+ .release = extrng_release, -+}; -+ - SYSCALL_DEFINE3(getrandom, char __user *, buf, size_t, count, - unsigned int, flags) - { -+ const struct random_extrng *rng; - int ret; - - if (flags & ~(GRND_NONBLOCK|GRND_RANDOM|GRND_INSECURE)) -@@ -2018,6 +2108,18 @@ SYSCALL_DEFINE3(getrandom, char __user *, buf, size_t, count, - if (count > INT_MAX) - count = INT_MAX; - -+ rcu_read_lock(); -+ rng = rcu_dereference(extrng); -+ if (rng && !try_module_get(rng->owner)) -+ rng = NULL; -+ rcu_read_unlock(); -+ -+ if (rng) { -+ ret = rng->extrng_read(buf, count); -+ module_put(rng->owner); -+ return ret; -+ } -+ - if (!(flags & GRND_INSECURE) && !crng_ready()) { - if (flags & GRND_NONBLOCK) - return -EAGAIN; -@@ -2324,3 +2426,16 @@ void add_bootloader_randomness(const void *buf, unsigned int size) - add_device_randomness(buf, size); - } - EXPORT_SYMBOL_GPL(add_bootloader_randomness); -+ -+void random_register_extrng(const struct random_extrng *rng) -+{ -+ rcu_assign_pointer(extrng, rng); -+} -+EXPORT_SYMBOL_GPL(random_register_extrng); -+ -+void random_unregister_extrng(void) -+{ -+ RCU_INIT_POINTER(extrng, NULL); -+ synchronize_rcu(); -+} -+EXPORT_SYMBOL_GPL(random_unregister_extrng); -diff --git a/drivers/firmware/efi/Makefile b/drivers/firmware/efi/Makefile -index c02ff25dd477..d860f8eb9a81 100644 ---- a/drivers/firmware/efi/Makefile -+++ b/drivers/firmware/efi/Makefile -@@ -28,6 +28,7 @@ obj-$(CONFIG_EFI_FAKE_MEMMAP) += fake_map.o - obj-$(CONFIG_EFI_BOOTLOADER_CONTROL) += efibc.o - obj-$(CONFIG_EFI_TEST) += test/ - obj-$(CONFIG_EFI_DEV_PATH_PARSER) += dev-path-parser.o -+obj-$(CONFIG_EFI) += secureboot.o - obj-$(CONFIG_APPLE_PROPERTIES) += apple-properties.o - obj-$(CONFIG_EFI_RCI2_TABLE) += rci2-table.o - obj-$(CONFIG_EFI_EMBEDDED_FIRMWARE) += embedded-firmware.o -diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c -index 847f33ffc4ae..363037f8eaf8 100644 ---- a/drivers/firmware/efi/efi.c -+++ b/drivers/firmware/efi/efi.c -@@ -31,6 +31,7 @@ - #include <linux/ucs2_string.h> - #include <linux/memblock.h> - #include <linux/security.h> -+#include <linux/bsearch.h> - - #include <asm/early_ioremap.h> - -@@ -841,40 +842,101 @@ int efi_mem_type(unsigned long phys_addr) - } - #endif - -+struct efi_error_code { -+ efi_status_t status; -+ int errno; -+ const char *description; -+}; -+ -+static const struct efi_error_code efi_error_codes[] = { -+ { EFI_SUCCESS, 0, "Success"}, -+#if 0 -+ { EFI_LOAD_ERROR, -EPICK_AN_ERRNO, "Load Error"}, -+#endif -+ { EFI_INVALID_PARAMETER, -EINVAL, "Invalid Parameter"}, -+ { EFI_UNSUPPORTED, -ENOSYS, "Unsupported"}, -+ { EFI_BAD_BUFFER_SIZE, -ENOSPC, "Bad Buffer Size"}, -+ { EFI_BUFFER_TOO_SMALL, -ENOSPC, "Buffer Too Small"}, -+ { EFI_NOT_READY, -EAGAIN, "Not Ready"}, -+ { EFI_DEVICE_ERROR, -EIO, "Device Error"}, -+ { EFI_WRITE_PROTECTED, -EROFS, "Write Protected"}, -+ { EFI_OUT_OF_RESOURCES, -ENOMEM, "Out of Resources"}, -+#if 0 -+ { EFI_VOLUME_CORRUPTED, -EPICK_AN_ERRNO, "Volume Corrupt"}, -+ { EFI_VOLUME_FULL, -EPICK_AN_ERRNO, "Volume Full"}, -+ { EFI_NO_MEDIA, -EPICK_AN_ERRNO, "No Media"}, -+ { EFI_MEDIA_CHANGED, -EPICK_AN_ERRNO, "Media changed"}, -+#endif -+ { EFI_NOT_FOUND, -ENOENT, "Not Found"}, -+#if 0 -+ { EFI_ACCESS_DENIED, -EPICK_AN_ERRNO, "Access Denied"}, -+ { EFI_NO_RESPONSE, -EPICK_AN_ERRNO, "No Response"}, -+ { EFI_NO_MAPPING, -EPICK_AN_ERRNO, "No mapping"}, -+ { EFI_TIMEOUT, -EPICK_AN_ERRNO, "Time out"}, -+ { EFI_NOT_STARTED, -EPICK_AN_ERRNO, "Not started"}, -+ { EFI_ALREADY_STARTED, -EPICK_AN_ERRNO, "Already started"}, -+#endif -+ { EFI_ABORTED, -EINTR, "Aborted"}, -+#if 0 -+ { EFI_ICMP_ERROR, -EPICK_AN_ERRNO, "ICMP Error"}, -+ { EFI_TFTP_ERROR, -EPICK_AN_ERRNO, "TFTP Error"}, -+ { EFI_PROTOCOL_ERROR, -EPICK_AN_ERRNO, "Protocol Error"}, -+ { EFI_INCOMPATIBLE_VERSION, -EPICK_AN_ERRNO, "Incompatible Version"}, -+#endif -+ { EFI_SECURITY_VIOLATION, -EACCES, "Security Policy Violation"}, -+#if 0 -+ { EFI_CRC_ERROR, -EPICK_AN_ERRNO, "CRC Error"}, -+ { EFI_END_OF_MEDIA, -EPICK_AN_ERRNO, "End of Media"}, -+ { EFI_END_OF_FILE, -EPICK_AN_ERRNO, "End of File"}, -+ { EFI_INVALID_LANGUAGE, -EPICK_AN_ERRNO, "Invalid Languages"}, -+ { EFI_COMPROMISED_DATA, -EPICK_AN_ERRNO, "Compromised Data"}, -+ -+ // warnings -+ { EFI_WARN_UNKOWN_GLYPH, -EPICK_AN_ERRNO, "Warning Unknown Glyph"}, -+ { EFI_WARN_DELETE_FAILURE, -EPICK_AN_ERRNO, "Warning Delete Failure"}, -+ { EFI_WARN_WRITE_FAILURE, -EPICK_AN_ERRNO, "Warning Write Failure"}, -+ { EFI_WARN_BUFFER_TOO_SMALL, -EPICK_AN_ERRNO, "Warning Buffer Too Small"}, -+#endif -+}; -+ -+static int -+efi_status_cmp_bsearch(const void *key, const void *item) -+{ -+ u64 status = (u64)(uintptr_t)key; -+ struct efi_error_code *code = (struct efi_error_code *)item; -+ -+ if (status < code->status) -+ return -1; -+ if (status > code->status) -+ return 1; -+ return 0; -+} -+ - int efi_status_to_err(efi_status_t status) - { -- int err; -- -- switch (status) { -- case EFI_SUCCESS: -- err = 0; -- break; -- case EFI_INVALID_PARAMETER: -- err = -EINVAL; -- break; -- case EFI_OUT_OF_RESOURCES: -- err = -ENOSPC; -- break; -- case EFI_DEVICE_ERROR: -- err = -EIO; -- break; -- case EFI_WRITE_PROTECTED: -- err = -EROFS; -- break; -- case EFI_SECURITY_VIOLATION: -- err = -EACCES; -- break; -- case EFI_NOT_FOUND: -- err = -ENOENT; -- break; -- case EFI_ABORTED: -- err = -EINTR; -- break; -- default: -- err = -EINVAL; -- } -+ struct efi_error_code *found; -+ size_t num = sizeof(efi_error_codes) / sizeof(struct efi_error_code); - -- return err; -+ found = bsearch((void *)(uintptr_t)status, efi_error_codes, -+ sizeof(struct efi_error_code), num, -+ efi_status_cmp_bsearch); -+ if (!found) -+ return -EINVAL; -+ return found->errno; -+} -+ -+const char * -+efi_status_to_str(efi_status_t status) -+{ -+ struct efi_error_code *found; -+ size_t num = sizeof(efi_error_codes) / sizeof(struct efi_error_code); -+ -+ found = bsearch((void *)(uintptr_t)status, efi_error_codes, -+ sizeof(struct efi_error_code), num, -+ efi_status_cmp_bsearch); -+ if (!found) -+ return "Unknown error code"; -+ return found->description; - } - - static DEFINE_SPINLOCK(efi_mem_reserve_persistent_lock); -diff --git a/drivers/firmware/efi/secureboot.c b/drivers/firmware/efi/secureboot.c -new file mode 100644 -index 000000000000..de0a3714a5d4 ---- /dev/null -+++ b/drivers/firmware/efi/secureboot.c -@@ -0,0 +1,38 @@ -+/* Core kernel secure boot support. -+ * -+ * Copyright (C) 2017 Red Hat, Inc. All Rights Reserved. -+ * Written by David Howells (dhowells@redhat.com) -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public Licence -+ * as published by the Free Software Foundation; either version -+ * 2 of the Licence, or (at your option) any later version. -+ */ -+ -+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt -+ -+#include <linux/efi.h> -+#include <linux/kernel.h> -+#include <linux/printk.h> -+ -+/* -+ * Decide what to do when UEFI secure boot mode is enabled. -+ */ -+void __init efi_set_secure_boot(enum efi_secureboot_mode mode) -+{ -+ if (efi_enabled(EFI_BOOT)) { -+ switch (mode) { -+ case efi_secureboot_mode_disabled: -+ pr_info("Secure boot disabled\n"); -+ break; -+ case efi_secureboot_mode_enabled: -+ set_bit(EFI_SECURE_BOOT, &efi.flags); -+ pr_info("Secure boot enabled\n"); -+ break; -+ default: -+ pr_warn("Secure boot could not be determined (mode %u)\n", -+ mode); -+ break; -+ } -+ } -+} -diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c -index 54f28c075f21..f10ce740a29c 100644 ---- a/drivers/gpu/drm/amd/amdgpu/cik.c -+++ b/drivers/gpu/drm/amd/amdgpu/cik.c -@@ -1428,6 +1428,10 @@ static int cik_asic_reset(struct amdgpu_device *adev) - { - int r; - -+ /* APUs don't have full asic reset */ -+ if (adev->flags & AMD_IS_APU) -+ return 0; -+ - if (cik_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) { - dev_info(adev->dev, "BACO reset\n"); - r = amdgpu_dpm_baco_reset(adev); -diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c -index fe9a7cc8d9eb..6645ebbd2696 100644 ---- a/drivers/gpu/drm/amd/amdgpu/vi.c -+++ b/drivers/gpu/drm/amd/amdgpu/vi.c -@@ -956,6 +956,10 @@ static int vi_asic_reset(struct amdgpu_device *adev) - { - int r; - -+ /* APUs don't have full asic reset */ -+ if (adev->flags & AMD_IS_APU) -+ return 0; -+ - if (vi_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) { - dev_info(adev->dev, "BACO reset\n"); - r = amdgpu_dpm_baco_reset(adev); -diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c -index 311eee599ce9..2460c6bd46f8 100644 ---- a/drivers/hid/hid-rmi.c -+++ b/drivers/hid/hid-rmi.c -@@ -322,19 +322,12 @@ static int rmi_input_event(struct hid_device *hdev, u8 *data, int size) - { - struct rmi_data *hdata = hid_get_drvdata(hdev); - struct rmi_device *rmi_dev = hdata->xport.rmi_dev; -- unsigned long flags; - - if (!(test_bit(RMI_STARTED, &hdata->flags))) - return 0; - -- local_irq_save(flags); -- - rmi_set_attn_data(rmi_dev, data[1], &data[2], size - 2); - -- generic_handle_irq(hdata->rmi_irq); -- -- local_irq_restore(flags); -- - return 1; - } - -@@ -591,56 +584,6 @@ static const struct rmi_transport_ops hid_rmi_ops = { - .reset = rmi_hid_reset, - }; - --static void rmi_irq_teardown(void *data) --{ -- struct rmi_data *hdata = data; -- struct irq_domain *domain = hdata->domain; -- -- if (!domain) -- return; -- -- irq_dispose_mapping(irq_find_mapping(domain, 0)); -- -- irq_domain_remove(domain); -- hdata->domain = NULL; -- hdata->rmi_irq = 0; --} -- --static int rmi_irq_map(struct irq_domain *h, unsigned int virq, -- irq_hw_number_t hw_irq_num) --{ -- irq_set_chip_and_handler(virq, &dummy_irq_chip, handle_simple_irq); -- -- return 0; --} -- --static const struct irq_domain_ops rmi_irq_ops = { -- .map = rmi_irq_map, --}; -- --static int rmi_setup_irq_domain(struct hid_device *hdev) --{ -- struct rmi_data *hdata = hid_get_drvdata(hdev); -- int ret; -- -- hdata->domain = irq_domain_create_linear(hdev->dev.fwnode, 1, -- &rmi_irq_ops, hdata); -- if (!hdata->domain) -- return -ENOMEM; -- -- ret = devm_add_action_or_reset(&hdev->dev, &rmi_irq_teardown, hdata); -- if (ret) -- return ret; -- -- hdata->rmi_irq = irq_create_mapping(hdata->domain, 0); -- if (hdata->rmi_irq <= 0) { -- hid_err(hdev, "Can't allocate an IRQ\n"); -- return hdata->rmi_irq < 0 ? hdata->rmi_irq : -ENXIO; -- } -- -- return 0; --} -- - static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id) - { - struct rmi_data *data = NULL; -@@ -713,18 +656,11 @@ static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id) - - mutex_init(&data->page_mutex); - -- ret = rmi_setup_irq_domain(hdev); -- if (ret) { -- hid_err(hdev, "failed to allocate IRQ domain\n"); -- return ret; -- } -- - if (data->device_flags & RMI_DEVICE_HAS_PHYS_BUTTONS) - rmi_hid_pdata.gpio_data.disable = true; - - data->xport.dev = hdev->dev.parent; - data->xport.pdata = rmi_hid_pdata; -- data->xport.pdata.irq = data->rmi_irq; - data->xport.proto_name = "hid"; - data->xport.ops = &hid_rmi_ops; - -diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c -index e24252eaf8e4..368d64adeee8 100644 ---- a/drivers/hwtracing/coresight/coresight-etm4x-core.c -+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c -@@ -9,6 +9,7 @@ - #include <linux/init.h> - #include <linux/types.h> - #include <linux/device.h> -+#include <linux/dmi.h> - #include <linux/io.h> - #include <linux/err.h> - #include <linux/fs.h> -@@ -2105,6 +2106,16 @@ static const struct amba_id etm4_ids[] = { - {}, - }; - -+static const struct dmi_system_id broken_coresight[] = { -+ { -+ .matches = { -+ DMI_MATCH(DMI_SYS_VENDOR, "HPE"), -+ DMI_MATCH(DMI_PRODUCT_NAME, "Apollo 70"), -+ }, -+ }, -+ { } /* terminating entry */ -+}; -+ - MODULE_DEVICE_TABLE(amba, etm4_ids); - - static struct amba_driver etm4x_amba_driver = { -@@ -2138,6 +2149,11 @@ static int __init etm4x_init(void) - { - int ret; - -+ if (dmi_check_system(broken_coresight)) { -+ pr_info("ETM4 disabled due to firmware bug\n"); -+ return 0; -+ } -+ - ret = etm4_pm_setup(); - - /* etm4_pm_setup() does its own cleanup - exit on error */ -@@ -2164,6 +2180,9 @@ static int __init etm4x_init(void) - - static void __exit etm4x_exit(void) - { -+ if (dmi_check_system(broken_coresight)) -+ return; -+ - amba_driver_unregister(&etm4x_amba_driver); - platform_driver_unregister(&etm4_platform_driver); - etm4_pm_clear(); -diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c -index 258d5fe3d395..f7298e3dc8f3 100644 ---- a/drivers/input/rmi4/rmi_driver.c -+++ b/drivers/input/rmi4/rmi_driver.c -@@ -182,34 +182,47 @@ void rmi_set_attn_data(struct rmi_device *rmi_dev, unsigned long irq_status, - attn_data.data = fifo_data; - - kfifo_put(&drvdata->attn_fifo, attn_data); -+ -+ schedule_work(&drvdata->attn_work); - } - EXPORT_SYMBOL_GPL(rmi_set_attn_data); - --static irqreturn_t rmi_irq_fn(int irq, void *dev_id) -+static void attn_callback(struct work_struct *work) - { -- struct rmi_device *rmi_dev = dev_id; -- struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev); -+ struct rmi_driver_data *drvdata = container_of(work, -+ struct rmi_driver_data, -+ attn_work); - struct rmi4_attn_data attn_data = {0}; - int ret, count; - - count = kfifo_get(&drvdata->attn_fifo, &attn_data); -- if (count) { -- *(drvdata->irq_status) = attn_data.irq_status; -- drvdata->attn_data = attn_data; -- } -+ if (!count) -+ return; - -- ret = rmi_process_interrupt_requests(rmi_dev); -+ *(drvdata->irq_status) = attn_data.irq_status; -+ drvdata->attn_data = attn_data; -+ -+ ret = rmi_process_interrupt_requests(drvdata->rmi_dev); - if (ret) -- rmi_dbg(RMI_DEBUG_CORE, &rmi_dev->dev, -+ rmi_dbg(RMI_DEBUG_CORE, &drvdata->rmi_dev->dev, - "Failed to process interrupt request: %d\n", ret); - -- if (count) { -- kfree(attn_data.data); -- drvdata->attn_data.data = NULL; -- } -+ kfree(attn_data.data); -+ drvdata->attn_data.data = NULL; - - if (!kfifo_is_empty(&drvdata->attn_fifo)) -- return rmi_irq_fn(irq, dev_id); -+ schedule_work(&drvdata->attn_work); -+} -+ -+static irqreturn_t rmi_irq_fn(int irq, void *dev_id) -+{ -+ struct rmi_device *rmi_dev = dev_id; -+ int ret; -+ -+ ret = rmi_process_interrupt_requests(rmi_dev); -+ if (ret) -+ rmi_dbg(RMI_DEBUG_CORE, &rmi_dev->dev, -+ "Failed to process interrupt request: %d\n", ret); - - return IRQ_HANDLED; - } -@@ -217,7 +230,6 @@ static irqreturn_t rmi_irq_fn(int irq, void *dev_id) - static int rmi_irq_init(struct rmi_device *rmi_dev) - { - struct rmi_device_platform_data *pdata = rmi_get_platform_data(rmi_dev); -- struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev); - int irq_flags = irq_get_trigger_type(pdata->irq); - int ret; - -@@ -235,8 +247,6 @@ static int rmi_irq_init(struct rmi_device *rmi_dev) - return ret; - } - -- data->enabled = true; -- - return 0; - } - -@@ -886,23 +896,27 @@ void rmi_enable_irq(struct rmi_device *rmi_dev, bool clear_wake) - if (data->enabled) - goto out; - -- enable_irq(irq); -- data->enabled = true; -- if (clear_wake && device_may_wakeup(rmi_dev->xport->dev)) { -- retval = disable_irq_wake(irq); -- if (retval) -- dev_warn(&rmi_dev->dev, -- "Failed to disable irq for wake: %d\n", -- retval); -- } -+ if (irq) { -+ enable_irq(irq); -+ data->enabled = true; -+ if (clear_wake && device_may_wakeup(rmi_dev->xport->dev)) { -+ retval = disable_irq_wake(irq); -+ if (retval) -+ dev_warn(&rmi_dev->dev, -+ "Failed to disable irq for wake: %d\n", -+ retval); -+ } - -- /* -- * Call rmi_process_interrupt_requests() after enabling irq, -- * otherwise we may lose interrupt on edge-triggered systems. -- */ -- irq_flags = irq_get_trigger_type(pdata->irq); -- if (irq_flags & IRQ_TYPE_EDGE_BOTH) -- rmi_process_interrupt_requests(rmi_dev); -+ /* -+ * Call rmi_process_interrupt_requests() after enabling irq, -+ * otherwise we may lose interrupt on edge-triggered systems. -+ */ -+ irq_flags = irq_get_trigger_type(pdata->irq); -+ if (irq_flags & IRQ_TYPE_EDGE_BOTH) -+ rmi_process_interrupt_requests(rmi_dev); -+ } else { -+ data->enabled = true; -+ } - - out: - mutex_unlock(&data->enabled_mutex); -@@ -922,20 +936,22 @@ void rmi_disable_irq(struct rmi_device *rmi_dev, bool enable_wake) - goto out; - - data->enabled = false; -- disable_irq(irq); -- if (enable_wake && device_may_wakeup(rmi_dev->xport->dev)) { -- retval = enable_irq_wake(irq); -- if (retval) -- dev_warn(&rmi_dev->dev, -- "Failed to enable irq for wake: %d\n", -- retval); -- } -- -- /* make sure the fifo is clean */ -- while (!kfifo_is_empty(&data->attn_fifo)) { -- count = kfifo_get(&data->attn_fifo, &attn_data); -- if (count) -- kfree(attn_data.data); -+ if (irq) { -+ disable_irq(irq); -+ if (enable_wake && device_may_wakeup(rmi_dev->xport->dev)) { -+ retval = enable_irq_wake(irq); -+ if (retval) -+ dev_warn(&rmi_dev->dev, -+ "Failed to enable irq for wake: %d\n", -+ retval); -+ } -+ } else { -+ /* make sure the fifo is clean */ -+ while (!kfifo_is_empty(&data->attn_fifo)) { -+ count = kfifo_get(&data->attn_fifo, &attn_data); -+ if (count) -+ kfree(attn_data.data); -+ } - } - - out: -@@ -981,6 +997,8 @@ static int rmi_driver_remove(struct device *dev) - irq_domain_remove(data->irqdomain); - data->irqdomain = NULL; - -+ cancel_work_sync(&data->attn_work); -+ - rmi_f34_remove_sysfs(rmi_dev); - rmi_free_function_list(rmi_dev); - -@@ -1219,9 +1237,15 @@ static int rmi_driver_probe(struct device *dev) - } - } - -- retval = rmi_irq_init(rmi_dev); -- if (retval < 0) -- goto err_destroy_functions; -+ if (pdata->irq) { -+ retval = rmi_irq_init(rmi_dev); -+ if (retval < 0) -+ goto err_destroy_functions; -+ } -+ -+ data->enabled = true; -+ -+ INIT_WORK(&data->attn_work, attn_callback); - - if (data->f01_container->dev.driver) { - /* Driver already bound, so enable ATTN now. */ -diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c -index 3303d707bab4..372edaaafaa1 100644 ---- a/drivers/iommu/iommu.c -+++ b/drivers/iommu/iommu.c -@@ -7,6 +7,7 @@ - #define pr_fmt(fmt) "iommu: " fmt - - #include <linux/device.h> -+#include <linux/dmi.h> - #include <linux/dma-iommu.h> - #include <linux/kernel.h> - #include <linux/bits.h> -@@ -3118,6 +3119,27 @@ u32 iommu_sva_get_pasid(struct iommu_sva *handle) - } - EXPORT_SYMBOL_GPL(iommu_sva_get_pasid); - -+#ifdef CONFIG_ARM64 -+static int __init iommu_quirks(void) -+{ -+ const char *vendor, *name; -+ -+ vendor = dmi_get_system_info(DMI_SYS_VENDOR); -+ name = dmi_get_system_info(DMI_PRODUCT_NAME); -+ -+ if (vendor && -+ (strncmp(vendor, "GIGABYTE", 8) == 0 && name && -+ (strncmp(name, "R120", 4) == 0 || -+ strncmp(name, "R270", 4) == 0))) { -+ pr_warn("Gigabyte %s detected, force iommu passthrough mode", name); -+ iommu_def_domain_type = IOMMU_DOMAIN_IDENTITY; -+ } -+ -+ return 0; -+} -+arch_initcall(iommu_quirks); -+#endif -+ - /* - * Changes the default domain of an iommu group that has *only* one device - * -diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c -index d78e436fa8b5..b064d3137e46 100644 ---- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c -+++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c -@@ -2490,7 +2490,7 @@ static int iwl_mvm_check_running_scans(struct iwl_mvm *mvm, int type) - return -EIO; - } - --#define SCAN_TIMEOUT 20000 -+#define SCAN_TIMEOUT 30000 - - void iwl_mvm_scan_timeout_wk(struct work_struct *work) - { -diff --git a/drivers/net/wireless/marvell/mwifiex/usb.c b/drivers/net/wireless/marvell/mwifiex/usb.c -index 9736aa0ab7fd..8f01fcbe9396 100644 ---- a/drivers/net/wireless/marvell/mwifiex/usb.c -+++ b/drivers/net/wireless/marvell/mwifiex/usb.c -@@ -130,7 +130,8 @@ static int mwifiex_usb_recv(struct mwifiex_adapter *adapter, - default: - mwifiex_dbg(adapter, ERROR, - "unknown recv_type %#x\n", recv_type); -- return -1; -+ ret = -1; -+ goto exit_restore_skb; - } - break; - case MWIFIEX_USB_EP_DATA: -diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c -index f8dd664b2eda..0ff9ea8340e4 100644 ---- a/drivers/nvme/host/core.c -+++ b/drivers/nvme/host/core.c -@@ -262,6 +262,9 @@ static void nvme_delete_ctrl_sync(struct nvme_ctrl *ctrl) - - static blk_status_t nvme_error_status(u16 status) - { -+ if (unlikely(status & NVME_SC_DNR)) -+ return BLK_STS_TARGET; -+ - switch (status & 0x7ff) { - case NVME_SC_SUCCESS: - return BLK_STS_OK; -@@ -321,6 +324,7 @@ enum nvme_disposition { - COMPLETE, - RETRY, - FAILOVER, -+ FAILUP, - }; - - static inline enum nvme_disposition nvme_decide_disposition(struct request *req) -@@ -328,15 +332,16 @@ static inline enum nvme_disposition nvme_decide_disposition(struct request *req) - if (likely(nvme_req(req)->status == 0)) - return COMPLETE; - -- if (blk_noretry_request(req) || -+ if ((req->cmd_flags & (REQ_FAILFAST_DEV | REQ_FAILFAST_DRIVER)) || - (nvme_req(req)->status & NVME_SC_DNR) || - nvme_req(req)->retries >= nvme_max_retries) - return COMPLETE; - -- if (req->cmd_flags & REQ_NVME_MPATH) { -+ if (req->cmd_flags & (REQ_NVME_MPATH | REQ_FAILFAST_TRANSPORT)) { - if (nvme_is_path_error(nvme_req(req)->status) || - blk_queue_dying(req->q)) -- return FAILOVER; -+ return (req->cmd_flags & REQ_NVME_MPATH) ? -+ FAILOVER : FAILUP; - } else { - if (blk_queue_dying(req->q)) - return COMPLETE; -@@ -358,6 +363,14 @@ static inline void nvme_end_req(struct request *req) - blk_mq_end_request(req, status); - } - -+static inline void nvme_failup_req(struct request *req) -+{ -+ nvme_update_ana(req); -+ -+ nvme_req(req)->status = NVME_SC_HOST_PATH_ERROR; -+ nvme_end_req(req); -+} -+ - void nvme_complete_rq(struct request *req) - { - trace_nvme_complete_rq(req); -@@ -376,6 +389,9 @@ void nvme_complete_rq(struct request *req) - case FAILOVER: - nvme_failover_req(req); - return; -+ case FAILUP: -+ nvme_failup_req(req); -+ return; - } - } - EXPORT_SYMBOL_GPL(nvme_complete_rq); -diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c -index 2f76969408b2..021a4176b321 100644 ---- a/drivers/nvme/host/multipath.c -+++ b/drivers/nvme/host/multipath.c -@@ -65,14 +65,10 @@ bool nvme_mpath_set_disk_name(struct nvme_ns *ns, char *disk_name, int *flags) - return true; - } - --void nvme_failover_req(struct request *req) -+void nvme_update_ana(struct request *req) - { - struct nvme_ns *ns = req->q->queuedata; - u16 status = nvme_req(req)->status & 0x7ff; -- unsigned long flags; -- struct bio *bio; -- -- nvme_mpath_clear_current_path(ns); - - /* - * If we got back an ANA error, we know the controller is alive but not -@@ -83,6 +79,16 @@ void nvme_failover_req(struct request *req) - set_bit(NVME_NS_ANA_PENDING, &ns->flags); - queue_work(nvme_wq, &ns->ctrl->ana_work); - } -+} -+ -+void nvme_failover_req(struct request *req) -+{ -+ struct nvme_ns *ns = req->q->queuedata; -+ unsigned long flags; -+ struct bio *bio; -+ -+ nvme_mpath_clear_current_path(ns); -+ nvme_update_ana(req); - - spin_lock_irqsave(&ns->head->requeue_lock, flags); - for (bio = req->bio; bio; bio = bio->bi_next) -@@ -813,8 +819,7 @@ int nvme_mpath_init_identify(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) - int error = 0; - - /* check if multipath is enabled and we have the capability */ -- if (!multipath || !ctrl->subsys || -- !(ctrl->subsys->cmic & NVME_CTRL_CMIC_ANA)) -+ if (!ctrl->subsys || !(ctrl->subsys->cmic & NVME_CTRL_CMIC_ANA)) - return 0; - - if (!ctrl->max_namespaces || -diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h -index ed79a6c7e804..961dc67d7261 100644 ---- a/drivers/nvme/host/nvme.h -+++ b/drivers/nvme/host/nvme.h -@@ -746,6 +746,7 @@ void nvme_mpath_wait_freeze(struct nvme_subsystem *subsys); - void nvme_mpath_start_freeze(struct nvme_subsystem *subsys); - bool nvme_mpath_set_disk_name(struct nvme_ns *ns, char *disk_name, int *flags); - void nvme_failover_req(struct request *req); -+void nvme_update_ana(struct request *req); - void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl); - int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl,struct nvme_ns_head *head); - void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id); -@@ -784,6 +785,9 @@ static inline bool nvme_mpath_set_disk_name(struct nvme_ns *ns, char *disk_name, - static inline void nvme_failover_req(struct request *req) - { - } -+static inline void nvme_update_ana(struct request *req) -+{ -+} - static inline void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl) - { - } -diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c -index 208fa03acdda..88cfaa8ac3b3 100644 ---- a/drivers/pci/quirks.c -+++ b/drivers/pci/quirks.c -@@ -4269,6 +4269,30 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9000, - DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9084, - quirk_bridge_cavm_thrx2_pcie_root); - -+/* -+ * PCI BAR 5 is not setup correctly for the on-board AHCI controller -+ * on Broadcom's Vulcan processor. Added a quirk to fix BAR 5 by -+ * using BAR 4's resources which are populated correctly and NOT -+ * actually used by the AHCI controller. -+ */ -+static void quirk_fix_vulcan_ahci_bars(struct pci_dev *dev) -+{ -+ struct resource *r = &dev->resource[4]; -+ -+ if (!(r->flags & IORESOURCE_MEM) || (r->start == 0)) -+ return; -+ -+ /* Set BAR5 resource to BAR4 */ -+ dev->resource[5] = *r; -+ -+ /* Update BAR5 in pci config space */ -+ pci_write_config_dword(dev, PCI_BASE_ADDRESS_5, r->start); -+ -+ /* Clear BAR4's resource */ -+ memset(r, 0, sizeof(*r)); -+} -+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9027, quirk_fix_vulcan_ahci_bars); -+ - /* - * Intersil/Techwell TW686[4589]-based video capture cards have an empty (zero) - * class code. Fix it. -diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c -index 3dc055ce6e61..bb56640eb31f 100644 ---- a/drivers/platform/x86/thinkpad_acpi.c -+++ b/drivers/platform/x86/thinkpad_acpi.c -@@ -5813,11 +5813,11 @@ static const char * const tpacpi_led_names[TPACPI_LED_NUMLEDS] = { - "tpacpi::standby", - "tpacpi::dock_status1", - "tpacpi::dock_status2", -- "tpacpi::unknown_led2", -+ "tpacpi::lid_logo_dot", - "tpacpi::unknown_led3", - "tpacpi::thinkvantage", - }; --#define TPACPI_SAFE_LEDS 0x1081U -+#define TPACPI_SAFE_LEDS 0x1481U - - static inline bool tpacpi_is_led_restricted(const unsigned int led) - { -diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c -index 3bc4a86c3d0a..e346da4f58f2 100644 ---- a/drivers/usb/core/hub.c -+++ b/drivers/usb/core/hub.c -@@ -5666,6 +5666,13 @@ static void hub_event(struct work_struct *work) - (u16) hub->change_bits[0], - (u16) hub->event_bits[0]); - -+ /* Don't disconnect USB-SATA on TrimSlice */ -+ if (strcmp(dev_name(hdev->bus->controller), "tegra-ehci.0") == 0) { -+ if ((hdev->state == 7) && (hub->change_bits[0] == 0) && -+ (hub->event_bits[0] == 0x2)) -+ hub->event_bits[0] = 0; -+ } -+ - /* Lock the device, then check to see if we were - * disconnected while waiting for the lock to succeed. */ - usb_lock_device(hdev); -diff --git a/include/linux/efi.h b/include/linux/efi.h -index 3d8ddc5eca8c..779f41901f35 100644 ---- a/include/linux/efi.h -+++ b/include/linux/efi.h -@@ -43,6 +43,8 @@ - #define EFI_ABORTED (21 | (1UL << (BITS_PER_LONG-1))) - #define EFI_SECURITY_VIOLATION (26 | (1UL << (BITS_PER_LONG-1))) - -+#define EFI_IS_ERROR(x) ((x) & (1UL << (BITS_PER_LONG-1))) -+ - typedef unsigned long efi_status_t; - typedef u8 efi_bool_t; - typedef u16 efi_char16_t; /* UNICODE character */ -@@ -782,6 +784,14 @@ extern int __init efi_setup_pcdp_console(char *); - #define EFI_MEM_ATTR 10 /* Did firmware publish an EFI_MEMORY_ATTRIBUTES table? */ - #define EFI_MEM_NO_SOFT_RESERVE 11 /* Is the kernel configured to ignore soft reservations? */ - #define EFI_PRESERVE_BS_REGIONS 12 /* Are EFI boot-services memory segments available? */ -+#define EFI_SECURE_BOOT 13 /* Are we in Secure Boot mode? */ -+ -+enum efi_secureboot_mode { -+ efi_secureboot_mode_unset, -+ efi_secureboot_mode_unknown, -+ efi_secureboot_mode_disabled, -+ efi_secureboot_mode_enabled, -+}; - - #ifdef CONFIG_EFI - /* -@@ -793,6 +803,8 @@ static inline bool efi_enabled(int feature) - } - extern void efi_reboot(enum reboot_mode reboot_mode, const char *__unused); - -+extern void __init efi_set_secure_boot(enum efi_secureboot_mode mode); -+ - bool __pure __efi_soft_reserve_enabled(void); - - static inline bool __pure efi_soft_reserve_enabled(void) -@@ -813,6 +825,8 @@ static inline bool efi_enabled(int feature) - static inline void - efi_reboot(enum reboot_mode reboot_mode, const char *__unused) {} - -+static inline void efi_set_secure_boot(enum efi_secureboot_mode mode) {} -+ - static inline bool efi_soft_reserve_enabled(void) - { - return false; -@@ -825,6 +839,7 @@ static inline bool efi_rt_services_supported(unsigned int mask) - #endif - - extern int efi_status_to_err(efi_status_t status); -+extern const char *efi_status_to_str(efi_status_t status); - - /* - * Variable Attributes -@@ -1077,13 +1092,6 @@ static inline bool efi_runtime_disabled(void) { return true; } - extern void efi_call_virt_check_flags(unsigned long flags, const char *call); - extern unsigned long efi_call_virt_save_flags(void); - --enum efi_secureboot_mode { -- efi_secureboot_mode_unset, -- efi_secureboot_mode_unknown, -- efi_secureboot_mode_disabled, -- efi_secureboot_mode_enabled, --}; -- - static inline - enum efi_secureboot_mode efi_get_secureboot_mode(efi_get_variable_t *get_var) - { -diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h -index 61590c1f2d33..4c10750865c2 100644 ---- a/include/linux/lsm_hook_defs.h -+++ b/include/linux/lsm_hook_defs.h -@@ -394,6 +394,8 @@ LSM_HOOK(void, LSM_RET_VOID, bpf_prog_free_security, struct bpf_prog_aux *aux) - #endif /* CONFIG_BPF_SYSCALL */ - - LSM_HOOK(int, 0, locked_down, enum lockdown_reason what) -+LSM_HOOK(int, 0, lock_kernel_down, const char *where, enum lockdown_reason level) -+ - - #ifdef CONFIG_PERF_EVENTS - LSM_HOOK(int, 0, perf_event_open, struct perf_event_attr *attr, int type) -diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h -index 59024618554e..ab9ca4d393da 100644 ---- a/include/linux/lsm_hooks.h -+++ b/include/linux/lsm_hooks.h -@@ -1545,6 +1545,12 @@ - * - * @what: kernel feature being accessed - * -+ * @lock_kernel_down -+ * Put the kernel into lock-down mode. -+ * -+ * @where: Where the lock-down is originating from (e.g. command line option) -+ * @level: The lock-down level (can only increase) -+ * - * Security hooks for perf events - * - * @perf_event_open: -diff --git a/include/linux/random.h b/include/linux/random.h -index f45b8be3e3c4..7ccdec68b789 100644 ---- a/include/linux/random.h -+++ b/include/linux/random.h -@@ -14,6 +14,11 @@ - - #include <uapi/linux/random.h> - -+struct random_extrng { -+ ssize_t (*extrng_read)(void __user *buf, size_t buflen); -+ struct module *owner; -+}; -+ - struct random_ready_callback { - struct list_head list; - void (*func)(struct random_ready_callback *rdy); -@@ -44,6 +49,8 @@ extern bool rng_is_initialized(void); - extern int add_random_ready_callback(struct random_ready_callback *rdy); - extern void del_random_ready_callback(struct random_ready_callback *rdy); - extern int __must_check get_random_bytes_arch(void *buf, int nbytes); -+void random_register_extrng(const struct random_extrng *rng); -+void random_unregister_extrng(void); - - #ifndef MODULE - extern const struct file_operations random_fops, urandom_fops; -diff --git a/include/linux/rmi.h b/include/linux/rmi.h -index ab7eea01ab42..fff7c5f737fc 100644 ---- a/include/linux/rmi.h -+++ b/include/linux/rmi.h -@@ -364,6 +364,7 @@ struct rmi_driver_data { - - struct rmi4_attn_data attn_data; - DECLARE_KFIFO(attn_fifo, struct rmi4_attn_data, 16); -+ struct work_struct attn_work; - }; - - int rmi_register_transport_device(struct rmi_transport_dev *xport); -diff --git a/include/linux/security.h b/include/linux/security.h -index 46a02ce34d00..37e991a10d70 100644 ---- a/include/linux/security.h -+++ b/include/linux/security.h -@@ -472,6 +472,7 @@ int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen); - int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen); - int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen); - int security_locked_down(enum lockdown_reason what); -+int security_lock_kernel_down(const char *where, enum lockdown_reason level); - #else /* CONFIG_SECURITY */ - - static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data) -@@ -1353,6 +1354,10 @@ static inline int security_locked_down(enum lockdown_reason what) - { - return 0; - } -+static inline int security_lock_kernel_down(const char *where, enum lockdown_reason level) -+{ -+ return 0; -+} - #endif /* CONFIG_SECURITY */ - - #if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE) -diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h -index d24b0a34c8f0..871489df63c6 100644 ---- a/include/net/netfilter/nf_conntrack.h -+++ b/include/net/netfilter/nf_conntrack.h -@@ -95,6 +95,7 @@ struct nf_conn { - unsigned long status; - - u16 cpu; -+ u16 local_origin:1; - possible_net_t ct_net; - - #if IS_ENABLED(CONFIG_NF_NAT) -diff --git a/init/Kconfig b/init/Kconfig -index 11f8a845f259..9b94cc1b5546 100644 ---- a/init/Kconfig -+++ b/init/Kconfig -@@ -1648,7 +1648,7 @@ config AIO - this option saves about 7k. - - config IO_URING -- bool "Enable IO uring support" if EXPERT -+ bool "Enable IO uring support" - select IO_WQ - default y - help -diff --git a/kernel/module_signing.c b/kernel/module_signing.c -index 8723ae70ea1f..fb2d773498c2 100644 ---- a/kernel/module_signing.c -+++ b/kernel/module_signing.c -@@ -38,8 +38,15 @@ int mod_verify_sig(const void *mod, struct load_info *info) - modlen -= sig_len + sizeof(ms); - info->len = modlen; - -- return verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len, -+ ret = verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len, - VERIFY_USE_SECONDARY_KEYRING, - VERIFYING_MODULE_SIGNATURE, - NULL, NULL); -+ if (ret == -ENOKEY && IS_ENABLED(CONFIG_INTEGRITY_PLATFORM_KEYRING)) { -+ ret = verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len, -+ VERIFY_USE_PLATFORM_KEYRING, -+ VERIFYING_MODULE_SIGNATURE, -+ NULL, NULL); -+ } -+ return ret; - } -diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c -index 4712a90a1820..208abc729302 100644 ---- a/net/netfilter/nf_conntrack_core.c -+++ b/net/netfilter/nf_conntrack_core.c -@@ -1749,6 +1749,9 @@ resolve_normal_ct(struct nf_conn *tmpl, - return 0; - if (IS_ERR(h)) - return PTR_ERR(h); -+ -+ ct = nf_ct_tuplehash_to_ctrack(h); -+ ct->local_origin = state->hook == NF_INET_LOCAL_OUT; - } - ct = nf_ct_tuplehash_to_ctrack(h); - -diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c -index 273117683922..21ec0c3d1d47 100644 ---- a/net/netfilter/nf_nat_core.c -+++ b/net/netfilter/nf_nat_core.c -@@ -494,6 +494,38 @@ static void nf_nat_l4proto_unique_tuple(struct nf_conntrack_tuple *tuple, - goto another_round; - } - -+static bool tuple_force_port_remap(const struct nf_conntrack_tuple *tuple) -+{ -+ u16 sp, dp; -+ -+ switch (tuple->dst.protonum) { -+ case IPPROTO_TCP: -+ sp = ntohs(tuple->src.u.tcp.port); -+ dp = ntohs(tuple->dst.u.tcp.port); -+ break; -+ case IPPROTO_UDP: -+ case IPPROTO_UDPLITE: -+ sp = ntohs(tuple->src.u.udp.port); -+ dp = ntohs(tuple->dst.u.udp.port); -+ break; -+ default: -+ return false; -+ } -+ -+ /* IANA: System port range: 1-1023, -+ * user port range: 1024-49151, -+ * private port range: 49152-65535. -+ * -+ * Linux default ephemeral port range is 32768-60999. -+ * -+ * Enforce port remapping if sport is significantly lower -+ * than dport to prevent NAT port shadowing, i.e. -+ * accidental match of 'new' inbound connection vs. -+ * existing outbound one. -+ */ -+ return sp < 16384 && dp >= 32768; -+} -+ - /* Manipulate the tuple into the range given. For NF_INET_POST_ROUTING, - * we change the source to map into the range. For NF_INET_PRE_ROUTING - * and NF_INET_LOCAL_OUT, we change the destination to map into the -@@ -507,11 +539,17 @@ get_unique_tuple(struct nf_conntrack_tuple *tuple, - struct nf_conn *ct, - enum nf_nat_manip_type maniptype) - { -+ bool random_port = range->flags & NF_NAT_RANGE_PROTO_RANDOM_ALL; - const struct nf_conntrack_zone *zone; - struct net *net = nf_ct_net(ct); - - zone = nf_ct_zone(ct); - -+ if (maniptype == NF_NAT_MANIP_SRC && -+ !random_port && -+ !ct->local_origin) -+ random_port = tuple_force_port_remap(orig_tuple); -+ - /* 1) If this srcip/proto/src-proto-part is currently mapped, - * and that same mapping gives a unique tuple within the given - * range, use that. -@@ -520,8 +558,7 @@ get_unique_tuple(struct nf_conntrack_tuple *tuple, - * So far, we don't do local source mappings, so multiple - * manips not an issue. - */ -- if (maniptype == NF_NAT_MANIP_SRC && -- !(range->flags & NF_NAT_RANGE_PROTO_RANDOM_ALL)) { -+ if (maniptype == NF_NAT_MANIP_SRC && !random_port) { - /* try the original tuple first */ - if (in_range(orig_tuple, range)) { - if (!nf_nat_used_tuple(orig_tuple, ct)) { -@@ -545,7 +582,7 @@ get_unique_tuple(struct nf_conntrack_tuple *tuple, - */ - - /* Only bother mapping if it's not already in range and unique */ -- if (!(range->flags & NF_NAT_RANGE_PROTO_RANDOM_ALL)) { -+ if (!random_port) { - if (range->flags & NF_NAT_RANGE_PROTO_SPECIFIED) { - if (!(range->flags & NF_NAT_RANGE_PROTO_OFFSET) && - l4proto_in_range(tuple, maniptype, -diff --git a/scripts/tags.sh b/scripts/tags.sh -index db8ba411860a..2294fb0f17a9 100755 ---- a/scripts/tags.sh -+++ b/scripts/tags.sh -@@ -16,6 +16,8 @@ fi - ignore="$(echo "$RCS_FIND_IGNORE" | sed 's|\\||g' )" - # tags and cscope files should also ignore MODVERSION *.mod.c files - ignore="$ignore ( -name *.mod.c ) -prune -o" -+# RHEL tags and cscope should also ignore redhat/rpm -+ignore="$ignore ( -path redhat/rpm ) -prune -o" - - # Use make KBUILD_ABS_SRCTREE=1 {tags|cscope} - # to force full paths for a non-O= build -diff --git a/security/integrity/platform_certs/load_uefi.c b/security/integrity/platform_certs/load_uefi.c -index f290f78c3f30..d3e7ae04f5be 100644 ---- a/security/integrity/platform_certs/load_uefi.c -+++ b/security/integrity/platform_certs/load_uefi.c -@@ -46,7 +46,8 @@ static __init void *get_cert_list(efi_char16_t *name, efi_guid_t *guid, - return NULL; - - if (*status != EFI_BUFFER_TOO_SMALL) { -- pr_err("Couldn't get size: 0x%lx\n", *status); -+ pr_err("Couldn't get size: %s (0x%lx)\n", -+ efi_status_to_str(*status), *status); - return NULL; - } - -@@ -57,7 +58,8 @@ static __init void *get_cert_list(efi_char16_t *name, efi_guid_t *guid, - *status = efi.get_variable(name, guid, NULL, &lsize, db); - if (*status != EFI_SUCCESS) { - kfree(db); -- pr_err("Error reading db var: 0x%lx\n", *status); -+ pr_err("Error reading db var: %s (0x%lx)\n", -+ efi_status_to_str(*status), *status); - return NULL; - } - -diff --git a/security/lockdown/Kconfig b/security/lockdown/Kconfig -index e84ddf484010..d0501353a4b9 100644 ---- a/security/lockdown/Kconfig -+++ b/security/lockdown/Kconfig -@@ -16,6 +16,19 @@ config SECURITY_LOCKDOWN_LSM_EARLY - subsystem is fully initialised. If enabled, lockdown will - unconditionally be called before any other LSMs. - -+config LOCK_DOWN_IN_EFI_SECURE_BOOT -+ bool "Lock down the kernel in EFI Secure Boot mode" -+ default n -+ depends on EFI && SECURITY_LOCKDOWN_LSM_EARLY -+ help -+ UEFI Secure Boot provides a mechanism for ensuring that the firmware -+ will only load signed bootloaders and kernels. Secure boot mode may -+ be determined from EFI variables provided by the system firmware if -+ not indicated by the boot parameters. -+ -+ Enabling this option results in kernel lockdown being triggered if -+ EFI Secure Boot is set. -+ - choice - prompt "Kernel default lockdown mode" - default LOCK_DOWN_KERNEL_FORCE_NONE -diff --git a/security/lockdown/lockdown.c b/security/lockdown/lockdown.c -index 87cbdc64d272..18555cf18da7 100644 ---- a/security/lockdown/lockdown.c -+++ b/security/lockdown/lockdown.c -@@ -73,6 +73,7 @@ static int lockdown_is_locked_down(enum lockdown_reason what) - - static struct security_hook_list lockdown_hooks[] __lsm_ro_after_init = { - LSM_HOOK_INIT(locked_down, lockdown_is_locked_down), -+ LSM_HOOK_INIT(lock_kernel_down, lock_kernel_down), - }; - - static int __init lockdown_lsm_init(void) -diff --git a/security/security.c b/security/security.c -index 67264cb08fb3..85a0227bfac1 100644 ---- a/security/security.c -+++ b/security/security.c -@@ -2599,6 +2599,12 @@ int security_locked_down(enum lockdown_reason what) - } - EXPORT_SYMBOL(security_locked_down); - -+int security_lock_kernel_down(const char *where, enum lockdown_reason level) -+{ -+ return call_int_hook(lock_kernel_down, 0, where, level); -+} -+EXPORT_SYMBOL(security_lock_kernel_down); -+ - #ifdef CONFIG_PERF_EVENTS - int security_perf_event_open(struct perf_event_attr *attr, int type) - { -diff --git a/tools/testing/selftests/netfilter/nft_nat.sh b/tools/testing/selftests/netfilter/nft_nat.sh -index da1c1e4b6c86..6a08644d501e 100755 ---- a/tools/testing/selftests/netfilter/nft_nat.sh -+++ b/tools/testing/selftests/netfilter/nft_nat.sh -@@ -867,8 +867,9 @@ EOF - return $ksft_skip - fi - -- # test default behaviour. Packet from ns1 to ns0 is redirected to ns2. -- test_port_shadow "default" "CLIENT" -+ # test default behaviour. Packet from ns1 to ns0 is not redirected -+ # due to automatic port translation. -+ test_port_shadow "default" "ROUTER" - - # test packet filter based mitigation: prevent forwarding of - # packets claiming to come from the service port. |