kernel 6.5.4

1 files changed, 0 insertions, 1490 deletions

diff --git a/SOURCES/patch-6.4-redhat.patch b/SOURCES/patch-6.4-redhat.patch
deleted file mode 100644
index 40e5515..0000000
--- a/SOURCES/patch-6.4-redhat.patch
+++ /dev/null
@@ -1,1490 +0,0 @@
- Makefile                                           |  20 +++-
- arch/arm/Kconfig                                   |   4 +-
- arch/arm64/Kconfig                                 |   2 +-
- arch/s390/include/asm/ipl.h                        |   1 +
- arch/s390/kernel/ipl.c                             |   5 +
- arch/s390/kernel/setup.c                           |   4 +
- arch/x86/kernel/setup.c                            |  22 ++--
- drivers/acpi/apei/hest.c                           |   8 ++
- drivers/acpi/irq.c                                 |  17 ++-
- drivers/acpi/resource.c                            |  32 ++++--
- 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/tpm/tpm_crb.c                         |  33 ++----
- drivers/firmware/efi/Makefile                      |   1 +
- drivers/firmware/efi/efi.c                         | 124 +++++++++++++++------
- drivers/firmware/efi/secureboot.c                  |  38 +++++++
- drivers/firmware/sysfb.c                           |  18 ++-
- drivers/hid/hid-rmi.c                              |  66 -----------
- drivers/hwtracing/coresight/coresight-etm4x-core.c |  19 ++++
- drivers/input/rmi4/rmi_driver.c                    | 124 ++++++++++++---------
- drivers/iommu/iommu.c                              |  22 ++++
- drivers/pci/quirks.c                               |  24 ++++
- drivers/usb/core/hub.c                             |   7 ++
- include/linux/efi.h                                |  22 ++--
- include/linux/lsm_hook_defs.h                      |   2 +
- include/linux/module.h                             |   1 +
- include/linux/rmi.h                                |   1 +
- include/linux/security.h                           |   5 +
- kernel/fork.c                                      |   6 +
- kernel/module/main.c                               |   2 +
- kernel/module/signing.c                            |   9 +-
- mm/Kconfig                                         |   3 +-
- scripts/mod/modpost.c                              |   8 ++
- scripts/tags.sh                                    |   2 +
- security/integrity/platform_certs/load_uefi.c      |   6 +-
- security/lockdown/Kconfig                          |  13 +++
- security/lockdown/lockdown.c                       |   1 +
- security/security.c                                |  12 ++
- 40 files changed, 526 insertions(+), 216 deletions(-)
-
-diff --git a/Makefile b/Makefile
-index 212d1c7e4a1a..85f5a8b70878 100644
---- a/Makefile
-+++ b/Makefile
-@@ -22,6 +22,18 @@ $(if $(filter __%, $(MAKECMDGOALS)), \
- PHONY := __all
- __all:
-
-+# Set RHEL variables
-+# Note that this ifdef'ery is required to handle when building with
-+# the O= mechanism (relocate the object file results) due to upstream
-+# commit 67d7c302 which broke our RHEL include file
-+ifneq ($(realpath source),)
-+include $(realpath source)/Makefile.rhelver
-+else
-+ifneq ($(realpath Makefile.rhelver),)
-+include Makefile.rhelver
-+endif
-+endif
-+
- # We are using a recursive build, so we need to do a little thinking
- # to get the ordering right.
- #
-@@ -1335,7 +1347,13 @@ define filechk_version.h
- 	((c) > 255 ? 255 : (c)))';                                       \
- 	echo \#define LINUX_VERSION_MAJOR $(VERSION);                    \
- 	echo \#define LINUX_VERSION_PATCHLEVEL $(PATCHLEVEL);            \
--	echo \#define LINUX_VERSION_SUBLEVEL $(SUBLEVEL)
-+	echo \#define LINUX_VERSION_SUBLEVEL $(SUBLEVEL);                \
-+	echo '#define RHEL_MAJOR $(RHEL_MAJOR)'; \
-+	echo '#define RHEL_MINOR $(RHEL_MINOR)'; \
-+	echo '#define RHEL_RELEASE_VERSION(a,b) (((a) << 8) + (b))'; \
-+	echo '#define RHEL_RELEASE_CODE \
-+		$(shell expr $(RHEL_MAJOR) \* 256 + $(RHEL_MINOR))'; \
-+	echo '#define RHEL_RELEASE "$(RHEL_RELEASE)"'
- endef
-
- $(version_h): PATCHLEVEL := $(or $(PATCHLEVEL), 0)
-diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
-index 7286fbedbe98..3637542e095c 100644
---- a/arch/arm/Kconfig
-+++ b/arch/arm/Kconfig
-@@ -1306,9 +1306,9 @@ 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 b2326674b4d3..375bae9b1708 100644
---- a/arch/arm64/Kconfig
-+++ b/arch/arm64/Kconfig
-@@ -1288,7 +1288,7 @@ 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
-diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h
-index b0d00032479d..afb9544fb007 100644
---- a/arch/s390/include/asm/ipl.h
-+++ b/arch/s390/include/asm/ipl.h
-@@ -139,6 +139,7 @@ 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 f44f70de9661..829255d50d01 100644
---- a/arch/s390/kernel/ipl.c
-+++ b/arch/s390/kernel/ipl.c
-@@ -2517,3 +2517,8 @@ 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 fe10da1a271e..e2c6068201c0 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>
-
-@@ -914,6 +915,9 @@ 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/kernel/setup.c b/arch/x86/kernel/setup.c
-index 0cccfeb67c3a..a7dccf67c4a1 100644
---- a/arch/x86/kernel/setup.c
-+++ b/arch/x86/kernel/setup.c
-@@ -21,6 +21,7 @@
- #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>
-@@ -1032,6 +1033,13 @@ 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();
-
- 	/*
-@@ -1192,19 +1200,7 @@ 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/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
-index 6aef1ee5e1bd..8f146b1b4972 100644
---- a/drivers/acpi/apei/hest.c
-+++ b/drivers/acpi/apei/hest.c
-@@ -96,6 +96,14 @@ static 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 c2c786eb95ab..4e3aa80cd5cf 100644
---- a/drivers/acpi/irq.c
-+++ b/drivers/acpi/irq.c
-@@ -138,6 +138,7 @@ struct acpi_irq_parse_one_ctx {
- 	unsigned int index;
- 	unsigned long *res_flags;
- 	struct irq_fwspec *fwspec;
-+	bool skip_producer_check;
- };
-
- /**
-@@ -211,7 +212,8 @@ 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;
-@@ -247,8 +249,19 @@ 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_get_acpi_dev(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/resource.c b/drivers/acpi/resource.c
-index 32cfa3f4efd3..596edf4068b7 100644
---- a/drivers/acpi/resource.c
-+++ b/drivers/acpi/resource.c
-@@ -470,6 +470,24 @@ static const struct dmi_system_id asus_laptop[] = {
- 	{ }
- };
-
-+static const struct dmi_system_id lenovo_laptop[] = {
-+	{
-+		.ident = "LENOVO IdeaPad Flex 5 14ALC7",
-+		.matches = {
-+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-+			DMI_MATCH(DMI_PRODUCT_NAME, "82R9"),
-+		},
-+	},
-+	{
-+		.ident = "LENOVO IdeaPad Flex 5 16ALC7",
-+		.matches = {
-+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-+			DMI_MATCH(DMI_PRODUCT_NAME, "82RA"),
-+		},
-+	},
-+	{ }
-+};
-+
- static const struct dmi_system_id tongfang_gm_rg[] = {
- 	{
- 		.ident = "TongFang GMxRGxx/XMG CORE 15 (M22)/TUXEDO Stellaris 15 Gen4 AMD",
-@@ -536,6 +554,8 @@ struct irq_override_cmp {
- static const struct irq_override_cmp override_table[] = {
- 	{ medion_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false },
- 	{ asus_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, false },
-+	{ lenovo_laptop, 6, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, true },
-+	{ lenovo_laptop, 10, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0, true },
- 	{ tongfang_gm_rg, 1, ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_LOW, 1, true },
- 	{ maingear_laptop, 1, ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_LOW, 1, true },
- 	{ pcspecialist_laptop, 1, ACPI_EDGE_SENSITIVE, ACPI_ACTIVE_LOW, 1, true },
-@@ -559,18 +579,6 @@ static bool acpi_dev_irq_override(u32 gsi, u8 triggering, u8 polarity,
- 	}
-
- #ifdef CONFIG_X86
--	/*
--	 * Always use the MADT override info, except for the i8042 PS/2 ctrl
--	 * IRQs (1 and 12). For these the DSDT IRQ settings should sometimes
--	 * be used otherwise PS/2 keyboards / mice will not work.
--	 */
--	if (gsi != 1 && gsi != 12)
--		return true;
--
--	/* If the override comes from an INT_SRC_OVR MADT entry, honor it. */
--	if (acpi_int_src_ovr[gsi])
--		return true;
--
- 	/*
- 	 * IRQ override isn't needed on modern AMD Zen systems and
- 	 * this override breaks active low IRQs on AMD Ryzen 6000 and
-diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
-index c28c8d5ca0c8..618ebf3f9436 100644
---- a/drivers/acpi/scan.c
-+++ b/drivers/acpi/scan.c
-@@ -1747,6 +1747,15 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device)
- 	if (!acpi_match_device_ids(device, ignore_serial_bus_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 9c2cb6cbea76..a9ecf278aa79 100644
---- a/drivers/ata/libahci.c
-+++ b/drivers/ata/libahci.c
-@@ -729,6 +729,24 @@ 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 186f1fee7534..93e3a76596ff 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"
-@@ -5516,8 +5517,21 @@ 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/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
-index 9eb1a1859012..a5dbebb1acfc 100644
---- a/drivers/char/tpm/tpm_crb.c
-+++ b/drivers/char/tpm/tpm_crb.c
-@@ -463,28 +463,6 @@ static bool crb_req_canceled(struct tpm_chip *chip, u8 status)
- 	return (cancel & CRB_CANCEL_INVOKE) == CRB_CANCEL_INVOKE;
- }
-
--static int crb_check_flags(struct tpm_chip *chip)
--{
--	u32 val;
--	int ret;
--
--	ret = crb_request_locality(chip, 0);
--	if (ret)
--		return ret;
--
--	ret = tpm2_get_tpm_pt(chip, TPM2_PT_MANUFACTURER, &val, NULL);
--	if (ret)
--		goto release;
--
--	if (val == 0x414D4400U /* AMD */)
--		chip->flags |= TPM_CHIP_FLAG_HWRNG_DISABLED;
--
--release:
--	crb_relinquish_locality(chip, 0);
--
--	return ret;
--}
--
- static const struct tpm_class_ops tpm_crb = {
- 	.flags = TPM_OPS_AUTO_STARTUP,
- 	.status = crb_status,
-@@ -826,9 +804,14 @@ static int crb_acpi_add(struct acpi_device *device)
- 	if (rc)
- 		goto out;
-
--	rc = crb_check_flags(chip);
--	if (rc)
--		goto out;
-+#ifdef CONFIG_X86
-+	/* A quirk for https://www.amd.com/en/support/kb/faq/pa-410 */
-+	if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
-+	    priv->sm != ACPI_TPM2_COMMAND_BUFFER_WITH_PLUTON) {
-+		dev_info(dev, "Disabling hwrng\n");
-+		chip->flags |= TPM_CHIP_FLAG_HWRNG_DISABLED;
-+	}
-+#endif /* CONFIG_X86 */
-
- 	rc = tpm_chip_register(chip);
-
-diff --git a/drivers/firmware/efi/Makefile b/drivers/firmware/efi/Makefile
-index b51f2a4c821e..be31d32aba53 100644
---- a/drivers/firmware/efi/Makefile
-+++ b/drivers/firmware/efi/Makefile
-@@ -25,6 +25,7 @@ subdir-$(CONFIG_EFI_STUB)		+= libstub
- 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 34b9e7876538..97bc2138bf74 100644
---- a/drivers/firmware/efi/efi.c
-+++ b/drivers/firmware/efi/efi.c
-@@ -32,6 +32,7 @@
- #include <linux/ucs2_string.h>
- #include <linux/memblock.h>
- #include <linux/security.h>
-+#include <linux/bsearch.h>
-
- #include <asm/early_ioremap.h>
-
-@@ -926,40 +927,101 @@ 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;
- }
- EXPORT_SYMBOL_GPL(efi_status_to_err);
-
-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/firmware/sysfb.c b/drivers/firmware/sysfb.c
-index 3c197db42c9d..16e4a2e90fae 100644
---- a/drivers/firmware/sysfb.c
-+++ b/drivers/firmware/sysfb.c
-@@ -34,6 +34,22 @@
- #include <linux/screen_info.h>
- #include <linux/sysfb.h>
-
-+static int skip_simpledrm;
-+
-+static int __init simpledrm_disable(char *opt)
-+{
-+	if (!opt)
-+                return -EINVAL;
-+
-+	get_option(&opt, &skip_simpledrm);
-+
-+	if (skip_simpledrm)
-+		pr_info("The simpledrm driver will not be probed\n");
-+
-+	return 0;
-+}
-+early_param("nvidia-drm.modeset", simpledrm_disable);
-+
- static struct platform_device *pd;
- static DEFINE_MUTEX(disable_lock);
- static bool disabled;
-@@ -85,7 +101,7 @@ static __init int sysfb_init(void)
-
- 	/* try to create a simple-framebuffer device */
- 	compatible = sysfb_parse_mode(si, &mode);
--	if (compatible) {
-+	if (compatible && !skip_simpledrm) {
- 		pd = sysfb_create_simplefb(si, &mode);
- 		if (!IS_ERR(pd))
- 			goto unlock_mutex;
-diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c
-index 84e7ba5314d3..efc96776f761 100644
---- a/drivers/hid/hid-rmi.c
-+++ b/drivers/hid/hid-rmi.c
-@@ -321,21 +321,12 @@ 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;
-
--	pm_wakeup_event(hdev->dev.parent, 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 +582,6 @@ 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 +654,11 @@ 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 4c15fae534f3..b3a9015d90b7 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>
-@@ -2263,6 +2264,16 @@ 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 = {
-@@ -2296,6 +2307,11 @@ 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 */
-@@ -2322,6 +2338,9 @@ 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 f1dcfa3f1a1b..62fa35de72ac 100644
---- a/drivers/iommu/iommu.c
-+++ b/drivers/iommu/iommu.c
-@@ -8,6 +8,7 @@
-
- #include <linux/amba/bus.h>
- #include <linux/device.h>
-+#include <linux/dmi.h>
- #include <linux/kernel.h>
- #include <linux/bits.h>
- #include <linux/bug.h>
-@@ -2846,6 +2847,27 @@ int iommu_dev_disable_feature(struct device *dev, enum iommu_dev_features feat)
- }
- EXPORT_SYMBOL_GPL(iommu_dev_disable_feature);
-
-+#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
-  *
-diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
-index b7c65193e786..fd55846ced2b 100644
---- a/drivers/pci/quirks.c
-+++ b/drivers/pci/quirks.c
-@@ -4311,6 +4311,30 @@ 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/usb/core/hub.c b/drivers/usb/core/hub.c
-index 97a0f8faea6e..d837548d2024 100644
---- a/drivers/usb/core/hub.c
-+++ b/drivers/usb/core/hub.c
-@@ -5734,6 +5734,13 @@ 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 571d1a6e1b74..8f786e38de3f 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 */
-@@ -857,6 +859,14 @@ 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
- /*
-@@ -868,6 +878,8 @@ 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)
-@@ -889,6 +901,8 @@ 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;
-@@ -903,6 +917,7 @@ static inline void efi_find_mirror(void) {}
- #endif
-
- extern int efi_status_to_err(efi_status_t status);
-+extern const char *efi_status_to_str(efi_status_t status);
-
- /*
-  * Variable Attributes
-@@ -1108,13 +1123,6 @@ 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 6bb55e61e8e8..3bf124aca5ff 100644
---- a/include/linux/lsm_hook_defs.h
-+++ b/include/linux/lsm_hook_defs.h
-@@ -403,6 +403,8 @@ 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/module.h b/include/linux/module.h
-index 9e56763dff81..71da868d8895 100644
---- a/include/linux/module.h
-+++ b/include/linux/module.h
-@@ -418,6 +418,7 @@ struct module {
- 	struct module_attribute *modinfo_attrs;
- 	const char *version;
- 	const char *srcversion;
-+	const char *rhelversion;
- 	struct kobject *holders_dir;
-
- 	/* Exported symbols */
-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 e2734e9e44d5..52344c344e7a 100644
---- a/include/linux/security.h
-+++ b/include/linux/security.h
-@@ -482,6 +482,7 @@ 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)
-@@ -1388,6 +1389,10 @@ 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/kernel/fork.c b/kernel/fork.c
-index 8103ffd217e9..00bc9fa0828b 100644
---- a/kernel/fork.c
-+++ b/kernel/fork.c
-@@ -662,6 +662,12 @@ static __latent_entropy int dup_mmap(struct mm_struct *mm,
- 		retval = -EINTR;
- 		goto fail_uprobe_end;
- 	}
-+#ifdef CONFIG_PER_VMA_LOCK
-+	/* Disallow any page faults before calling flush_cache_dup_mm */
-+	for_each_vma(old_vmi, mpnt)
-+		vma_start_write(mpnt);
-+	vma_iter_set(&old_vmi, 0);
-+#endif
- 	flush_cache_dup_mm(oldmm);
- 	uprobe_dup_mmap(oldmm, mm);
- 	/*
-diff --git a/kernel/module/main.c b/kernel/module/main.c
-index a04e94c9f8a4..f5bd4217cd6f 100644
---- a/kernel/module/main.c
-+++ b/kernel/module/main.c
-@@ -528,6 +528,7 @@ static struct module_attribute modinfo_##field = {                    \
-
- MODINFO_ATTR(version);
- MODINFO_ATTR(srcversion);
-+MODINFO_ATTR(rhelversion);
-
- static struct {
- 	char name[MODULE_NAME_LEN + 1];
-@@ -987,6 +988,7 @@ struct module_attribute *modinfo_attrs[] = {
- 	&module_uevent,
- 	&modinfo_version,
- 	&modinfo_srcversion,
-+	&modinfo_rhelversion,
- 	&modinfo_initstate,
- 	&modinfo_coresize,
- #ifdef CONFIG_ARCH_WANTS_MODULES_DATA_IN_VMALLOC
-diff --git a/kernel/module/signing.c b/kernel/module/signing.c
-index a2ff4242e623..f0d2be1ee4f1 100644
---- a/kernel/module/signing.c
-+++ b/kernel/module/signing.c
-@@ -61,10 +61,17 @@ 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;
- }
-
- int module_sig_check(struct load_info *info, int flags)
-diff --git a/mm/Kconfig b/mm/Kconfig
-index e3454087fd31..1d2afc2567d0 100644
---- a/mm/Kconfig
-+++ b/mm/Kconfig
-@@ -1198,8 +1198,9 @@ config ARCH_SUPPORTS_PER_VMA_LOCK
-        def_bool n
-
- config PER_VMA_LOCK
--	def_bool y
-+	bool "Enable per-vma locking during page fault handling."
- 	depends on ARCH_SUPPORTS_PER_VMA_LOCK && MMU && SMP
-+	depends on BROKEN
- 	help
- 	  Allow per-vma locking during page fault handling.
-
-diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
-index d8baa9b9ae6d..720cb35f6070 100644
---- a/scripts/mod/modpost.c
-+++ b/scripts/mod/modpost.c
-@@ -23,6 +23,7 @@
- #include "modpost.h"
- #include "../../include/linux/license.h"
- #include "../../include/linux/module_symbol.h"
-+#include "../../include/generated/uapi/linux/version.h"
-
- /* Are we using CONFIG_MODVERSIONS? */
- static bool modversions;
-@@ -2101,6 +2102,12 @@ static void write_buf(struct buffer *b, const char *fname)
- 	}
- }
-
-+static void add_rhelversion(struct buffer *b, struct module *mod)
-+{
-+	buf_printf(b, "MODULE_INFO(rhelversion, \"%d.%d\");\n", RHEL_MAJOR,
-+		   RHEL_MINOR);
-+}
-+
- static void write_if_changed(struct buffer *b, const char *fname)
- {
- 	char *tmp;
-@@ -2164,6 +2171,7 @@ static void write_mod_c_file(struct module *mod)
- 	add_depends(&buf, mod);
- 	add_moddevtable(&buf, mod);
- 	add_srcversion(&buf, mod);
-+	add_rhelversion(&buf, mod);
-
- 	ret = snprintf(fname, sizeof(fname), "%s.mod.c", mod->name);
- 	if (ret >= sizeof(fname)) {
-diff --git a/scripts/tags.sh b/scripts/tags.sh
-index f6b3c7cd39c7..35044647ed1a 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="$ignore ( -path redhat/rpm ) -prune -o"
-
- # ignore arbitrary directories
- if [ -n "${IGNORE_DIRS}" ]; then
-diff --git a/security/integrity/platform_certs/load_uefi.c b/security/integrity/platform_certs/load_uefi.c
-index d1fdd113450a..182e8090cfe8 100644
---- a/security/integrity/platform_certs/load_uefi.c
-+++ b/security/integrity/platform_certs/load_uefi.c
-@@ -74,7 +74,8 @@ 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;
- 	}
-
-@@ -85,7 +86,8 @@ 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 68d19632aeb7..ef348935b6ff 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[] __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 d5ff7ff45b77..ac7d177a5fea 100644
---- a/security/security.c
-+++ b/security/security.c
-@@ -5167,6 +5167,18 @@ int security_locked_down(enum lockdown_reason what)
- }
- EXPORT_SYMBOL(security_locked_down);
-
-+/**
-+ * security_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)
-+ */
-+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
- /**
-  * security_perf_event_open() - Check if a perf event open is allowed