kernel 5.12.5

1 files changed, 1687 insertions, 0 deletions

diff --git a/SOURCES/patch-5.12-redhat.patch b/SOURCES/patch-5.12-redhat.patch
new file mode 100644
index 0000000..5f42bae
--- /dev/null
+++ b/SOURCES/patch-5.12-redhat.patch
@@ -0,0 +1,1687 @@
+ Documentation/admin-guide/kdump/kdump.rst          |  11 ++
+ Makefile                                           |   1 +
+ arch/arm/Kconfig                                   |   4 +-
+ arch/arm64/Kconfig                                 |   1 +
+ .../boot/dts/rockchip/rk3399-pinebook-pro.dts      |   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/pci_mcfg.c                            |   7 ++
+ 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/firmware/efi/Makefile                      |   1 +
+ drivers/firmware/efi/efi.c                         | 124 +++++++++++++++------
+ drivers/firmware/efi/secureboot.c                  |  38 +++++++
+ drivers/gpu/drm/rockchip/rockchip_drm_drv.c        |  11 ++
+ 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/pci/controller/dwc/Makefile                |   2 +-
+ drivers/pci/controller/dwc/pcie-tegra194.c         | 103 +++++++++++++++++
+ drivers/pci/quirks.c                               |  24 ++++
+ drivers/scsi/smartpqi/smartpqi_init.c              |  16 +++
+ 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/pci-ecam.h                           |   1 +
+ include/linux/rmi.h                                |   1 +
+ include/linux/security.h                           |   5 +
+ kernel/crash_core.c                                |  28 ++++-
+ kernel/module_signing.c                            |   9 +-
+ net/can/isotp.c                                    |  49 +++++---
+ security/integrity/platform_certs/load_uefi.c      |   6 +-
+ security/lockdown/Kconfig                          |  13 +++
+ security/lockdown/lockdown.c                       |   1 +
+ security/security.c                                |   6 +
+ sound/pci/hda/patch_realtek.c                      |  18 +++
+ 43 files changed, 670 insertions(+), 193 deletions(-)
+
+diff --git a/Documentation/admin-guide/kdump/kdump.rst b/Documentation/admin-guide/kdump/kdump.rst
+index 75a9dd98e76e..3ff3291551f9 100644
+--- a/Documentation/admin-guide/kdump/kdump.rst
++++ b/Documentation/admin-guide/kdump/kdump.rst
+@@ -285,6 +285,17 @@ This would mean:
+     2) if the RAM size is between 512M and 2G (exclusive), then reserve 64M
+     3) if the RAM size is larger than 2G, then reserve 128M
+
++Or you can use crashkernel=auto if you have enough memory.  The threshold
++is 2G on x86_64, arm64, ppc64 and ppc64le. The threshold is 4G for s390x.
++If your system memory is less than the threshold crashkernel=auto will not
++reserve memory.
++
++The automatically reserved memory size varies based on architecture.
++The size changes according to system memory size like below:
++    x86_64: 1G-64G:160M,64G-1T:256M,1T-:512M
++    s390x:  4G-64G:160M,64G-1T:256M,1T-:512M
++    arm64:  2G-:512M
++    ppc64:  2G-4G:384M,4G-16G:512M,16G-64G:1G,64G-128G:2G,128G-:4G
+
+
+ Boot into System Kernel
+diff --git a/Makefile b/Makefile
+index f60212a0412c..7424a878605f 100644
+--- a/Makefile
++++ b/Makefile
+@@ -495,6 +495,7 @@ KBUILD_AFLAGS   := -D__ASSEMBLY__ -fno-PIE
+ KBUILD_CFLAGS   := -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs \
+ 		   -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \
+ 		   -Werror=implicit-function-declaration -Werror=implicit-int \
++		   -Wno-address-of-packed-member \
+ 		   -Werror=return-type -Wno-format-security \
+ 		   -std=gnu89
+ KBUILD_CPPFLAGS := -D__KERNEL__
+diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
+index 2fae14857dcf..ce5c2eb4b5ff 100644
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -1481,9 +1481,9 @@ 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 dfdc3e0af5e1..7fa43824431b 100644
+--- a/arch/arm64/Kconfig
++++ b/arch/arm64/Kconfig
+@@ -1166,6 +1166,7 @@ config XEN
+ config FORCE_MAX_ZONEORDER
+ 	int
+ 	default "14" if ARM64_64K_PAGES
++	default "13" if (ARCH_THUNDER && !ARM64_64K_PAGES && !RHEL_DIFFERENCES)
+ 	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 219b7507a10f..45769764425d 100644
+--- a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
++++ b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
+@@ -380,7 +380,7 @@ mains_charger: dc-charger {
+ };
+
+ &cdn_dp {
+-	status = "okay";
++	status = "disabled";
+ };
+
+ &cpu_b0 {
+diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h
+index a9e2c7295b35..6ff11f3a2d47 100644
+--- a/arch/s390/include/asm/ipl.h
++++ b/arch/s390/include/asm/ipl.h
+@@ -127,6 +127,7 @@ 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 7a21eca498aa..565f143c9858 100644
+--- a/arch/s390/kernel/ipl.c
++++ b/arch/s390/kernel/ipl.c
+@@ -2215,3 +2215,8 @@ 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 5aab59ad5688..c53572b81c37 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 <asm/boot_data.h>
+@@ -1113,6 +1114,9 @@ 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 ccab6cf91283..dafae5a186d3 100644
+--- a/arch/x86/kernel/setup.c
++++ b/arch/x86/kernel/setup.c
+@@ -18,6 +18,7 @@
+ #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>
+@@ -954,6 +955,13 @@ 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();
+
+ 	/*
+@@ -1112,19 +1120,7 @@ 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 f220bb00e91b..bccd2193e7ce 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 e209081d644b..7484bcf59a1b 100644
+--- a/drivers/acpi/irq.c
++++ b/drivers/acpi/irq.c
+@@ -126,6 +126,7 @@ struct acpi_irq_parse_one_ctx {
+ 	unsigned int index;
+ 	unsigned long *res_flags;
+ 	struct irq_fwspec *fwspec;
++	bool skip_producer_check;
+ };
+
+ /**
+@@ -197,7 +198,8 @@ 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;
+@@ -232,8 +234,19 @@ 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/pci_mcfg.c b/drivers/acpi/pci_mcfg.c
+index 95f23acd5b80..53cab975f612 100644
+--- a/drivers/acpi/pci_mcfg.c
++++ b/drivers/acpi/pci_mcfg.c
+@@ -116,6 +116,13 @@ static struct mcfg_fixup mcfg_quirks[] = {
+ 	THUNDER_ECAM_QUIRK(2, 12),
+ 	THUNDER_ECAM_QUIRK(2, 13),
+
++	{ "NVIDIA", "TEGRA194", 1, 0, MCFG_BUS_ANY, &tegra194_pcie_ops},
++	{ "NVIDIA", "TEGRA194", 1, 1, MCFG_BUS_ANY, &tegra194_pcie_ops},
++	{ "NVIDIA", "TEGRA194", 1, 2, MCFG_BUS_ANY, &tegra194_pcie_ops},
++	{ "NVIDIA", "TEGRA194", 1, 3, MCFG_BUS_ANY, &tegra194_pcie_ops},
++	{ "NVIDIA", "TEGRA194", 1, 4, MCFG_BUS_ANY, &tegra194_pcie_ops},
++	{ "NVIDIA", "TEGRA194", 1, 5, MCFG_BUS_ANY, &tegra194_pcie_ops},
++
+ #define XGENE_V1_ECAM_MCFG(rev, seg) \
+ 	{"APM   ", "XGENE   ", rev, seg, MCFG_BUS_ANY, \
+ 		&xgene_v1_pcie_ecam_ops }
+diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
+index 345777bf7af9..6cc384797f5c 100644
+--- a/drivers/acpi/scan.c
++++ b/drivers/acpi/scan.c
+@@ -1640,6 +1640,15 @@ 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 fec2e9754aed..bea4e2973259 100644
+--- a/drivers/ata/libahci.c
++++ b/drivers/ata/libahci.c
+@@ -671,6 +671,24 @@ 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 c44ad18464f1..3ec1db4cbbc3 100644
+--- a/drivers/char/ipmi/ipmi_msghandler.c
++++ b/drivers/char/ipmi/ipmi_msghandler.c
+@@ -34,6 +34,7 @@
+ #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"
+@@ -5174,8 +5175,21 @@ 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/firmware/efi/Makefile b/drivers/firmware/efi/Makefile
+index 467e94259679..9b6f5b8e5397 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 4b7ee3fa9224..64b31d852d20 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/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+index 212bd87c0c4a..b8b066938e48 100644
+--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
++++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+@@ -114,6 +114,17 @@ static int rockchip_drm_bind(struct device *dev)
+ 	struct rockchip_drm_private *private;
+ 	int ret;
+
++	/* Remove existing drivers that may own the framebuffer memory. */
++        ret = drm_fb_helper_remove_conflicting_framebuffers(NULL,
++                                                            "rockchip-drm-fb",
++                                                            false);
++	if (ret) {
++		DRM_DEV_ERROR(dev,
++			      "Failed to remove existing framebuffers - %d.\n",
++			      ret);
++		return ret;
++	}
++
+ 	drm_dev = drm_dev_alloc(&rockchip_drm_driver, dev);
+ 	if (IS_ERR(drm_dev))
+ 		return PTR_ERR(drm_dev);
+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 15016f757828..59326b940b3a 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>
+@@ -1963,6 +1964,16 @@ 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 = {
+@@ -1995,6 +2006,11 @@ 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 */
+@@ -2021,6 +2037,9 @@ 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 e10cfa99057c..8970806f7b61 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/kernel.h>
+ #include <linux/bug.h>
+ #include <linux/types.h>
+@@ -3055,6 +3056,27 @@ 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/pci/controller/dwc/Makefile b/drivers/pci/controller/dwc/Makefile
+index a751553fa0db..dbb981876556 100644
+--- a/drivers/pci/controller/dwc/Makefile
++++ b/drivers/pci/controller/dwc/Makefile
+@@ -17,7 +17,6 @@ obj-$(CONFIG_PCIE_INTEL_GW) += pcie-intel-gw.o
+ obj-$(CONFIG_PCIE_KIRIN) += pcie-kirin.o
+ obj-$(CONFIG_PCIE_HISI_STB) += pcie-histb.o
+ obj-$(CONFIG_PCI_MESON) += pci-meson.o
+-obj-$(CONFIG_PCIE_TEGRA194) += pcie-tegra194.o
+ obj-$(CONFIG_PCIE_UNIPHIER) += pcie-uniphier.o
+ obj-$(CONFIG_PCIE_UNIPHIER_EP) += pcie-uniphier-ep.o
+
+@@ -34,4 +33,5 @@ obj-$(CONFIG_PCIE_UNIPHIER_EP) += pcie-uniphier-ep.o
+ ifdef CONFIG_PCI
+ obj-$(CONFIG_ARM64) += pcie-al.o
+ obj-$(CONFIG_ARM64) += pcie-hisi.o
++obj-$(CONFIG_ARM64) += pcie-tegra194.o
+ endif
+diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c
+index 6fa216e52d14..cb38e94a3033 100644
+--- a/drivers/pci/controller/dwc/pcie-tegra194.c
++++ b/drivers/pci/controller/dwc/pcie-tegra194.c
+@@ -22,6 +22,8 @@
+ #include <linux/of_irq.h>
+ #include <linux/of_pci.h>
+ #include <linux/pci.h>
++#include <linux/pci-acpi.h>
++#include <linux/pci-ecam.h>
+ #include <linux/phy/phy.h>
+ #include <linux/pinctrl/consumer.h>
+ #include <linux/platform_device.h>
+@@ -311,6 +313,104 @@ struct tegra_pcie_dw_of_data {
+ 	enum dw_pcie_device_mode mode;
+ };
+
++#if defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS)
++struct tegra194_pcie_ecam  {
++	void __iomem *config_base;
++	void __iomem *iatu_base;
++	void __iomem *dbi_base;
++};
++
++static int tegra194_acpi_init(struct pci_config_window *cfg)
++{
++	struct device *dev = cfg->parent;
++	struct tegra194_pcie_ecam *pcie_ecam;
++
++	pcie_ecam = devm_kzalloc(dev, sizeof(*pcie_ecam), GFP_KERNEL);
++	if (!pcie_ecam)
++		return -ENOMEM;
++
++	pcie_ecam->config_base = cfg->win;
++	pcie_ecam->iatu_base = cfg->win + SZ_256K;
++	pcie_ecam->dbi_base = cfg->win + SZ_512K;
++	cfg->priv = pcie_ecam;
++
++	return 0;
++}
++
++static void atu_reg_write(struct tegra194_pcie_ecam *pcie_ecam, int index,
++			  u32 val, u32 reg)
++{
++	u32 offset = PCIE_GET_ATU_OUTB_UNR_REG_OFFSET(index);
++
++	writel(val, pcie_ecam->iatu_base + offset + reg);
++}
++
++static void program_outbound_atu(struct tegra194_pcie_ecam *pcie_ecam,
++				 int index, int type, u64 cpu_addr,
++				 u64 pci_addr, u64 size)
++{
++	atu_reg_write(pcie_ecam, index, lower_32_bits(cpu_addr),
++		      PCIE_ATU_LOWER_BASE);
++	atu_reg_write(pcie_ecam, index, upper_32_bits(cpu_addr),
++		      PCIE_ATU_UPPER_BASE);
++	atu_reg_write(pcie_ecam, index, lower_32_bits(pci_addr),
++		      PCIE_ATU_LOWER_TARGET);
++	atu_reg_write(pcie_ecam, index, lower_32_bits(cpu_addr + size - 1),
++		      PCIE_ATU_LIMIT);
++	atu_reg_write(pcie_ecam, index, upper_32_bits(pci_addr),
++		      PCIE_ATU_UPPER_TARGET);
++	atu_reg_write(pcie_ecam, index, type, PCIE_ATU_CR1);
++	atu_reg_write(pcie_ecam, index, PCIE_ATU_ENABLE, PCIE_ATU_CR2);
++}
++
++static void __iomem *tegra194_map_bus(struct pci_bus *bus,
++				      unsigned int devfn, int where)
++{
++	struct pci_config_window *cfg = bus->sysdata;
++	struct tegra194_pcie_ecam *pcie_ecam = cfg->priv;
++	u32 busdev;
++	int type;
++
++	if (bus->number < cfg->busr.start || bus->number > cfg->busr.end)
++		return NULL;
++
++	if (bus->number == cfg->busr.start) {
++		if (PCI_SLOT(devfn) == 0)
++			return pcie_ecam->dbi_base + where;
++		else
++			return NULL;
++	}
++
++	busdev = PCIE_ATU_BUS(bus->number) | PCIE_ATU_DEV(PCI_SLOT(devfn)) |
++		 PCIE_ATU_FUNC(PCI_FUNC(devfn));
++
++	if (bus->parent->number == cfg->busr.start) {
++		if (PCI_SLOT(devfn) == 0)
++			type = PCIE_ATU_TYPE_CFG0;
++		else
++			return NULL;
++	} else {
++		type = PCIE_ATU_TYPE_CFG1;
++	}
++
++	program_outbound_atu(pcie_ecam, 0, type, cfg->res.start, busdev,
++			     SZ_256K);
++
++	return pcie_ecam->config_base + where;
++}
++
++const struct pci_ecam_ops tegra194_pcie_ops = {
++	.init		= tegra194_acpi_init,
++	.pci_ops	= {
++		.map_bus	= tegra194_map_bus,
++		.read		= pci_generic_config_read,
++		.write		= pci_generic_config_write,
++	}
++};
++#endif /* defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS) */
++
++#ifdef CONFIG_PCIE_TEGRA194
++
+ static inline struct tegra_pcie_dw *to_tegra_pcie(struct dw_pcie *pci)
+ {
+ 	return container_of(pci, struct tegra_pcie_dw, pci);
+@@ -2311,3 +2411,6 @@ MODULE_DEVICE_TABLE(of, tegra_pcie_dw_of_match);
+ MODULE_AUTHOR("Vidya Sagar <vidyas@nvidia.com>");
+ MODULE_DESCRIPTION("NVIDIA PCIe host controller driver");
+ MODULE_LICENSE("GPL v2");
++
++#endif /* CONFIG_PCIE_TEGRA194 */
++
+diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
+index 653660e3ba9e..98851d00dc4d 100644
+--- a/drivers/pci/quirks.c
++++ b/drivers/pci/quirks.c
+@@ -4143,6 +4143,30 @@ 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/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
+index c30f6047410f..3d4c311bf87c 100644
+--- a/drivers/scsi/smartpqi/smartpqi_init.c
++++ b/drivers/scsi/smartpqi/smartpqi_init.c
+@@ -8337,6 +8337,18 @@ static const struct pci_device_id pqi_pci_id_table[] = {
+ 		PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
+ 			       0x19e5, 0xd22c)
+ 	},
++	{
++		PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
++			       0x1bd4, 0x004a)
++	},
++	{
++		PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
++			       0x1bd4, 0x004b)
++	},
++	{
++		PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
++			       0x1bd4, 0x004c)
++	},
+ 	{
+ 		PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
+ 			       PCI_VENDOR_ID_ADAPTEC2, 0x0110)
+@@ -8593,6 +8605,10 @@ static const struct pci_device_id pqi_pci_id_table[] = {
+ 		PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
+ 			       PCI_VENDOR_ID_ADVANTECH, 0x8312)
+ 	},
++	{
++		PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
++			       PCI_VENDOR_ID_ADVANTECH, 0x8312)
++	},
+ 	{
+ 		PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f,
+ 			       PCI_VENDOR_ID_DELL, 0x1fe0)
+diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
+index 13fe37fbbd2c..77c57e075b0e 100644
+--- a/drivers/usb/core/hub.c
++++ b/drivers/usb/core/hub.c
+@@ -5532,6 +5532,13 @@ 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 6b5d36babfcc..fd4a5d66a9d0 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 477a597db013..1719a0020891 100644
+--- a/include/linux/lsm_hook_defs.h
++++ b/include/linux/lsm_hook_defs.h
+@@ -390,6 +390,8 @@ 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 fb7f3193753d..0f91ae3361e6 100644
+--- a/include/linux/lsm_hooks.h
++++ b/include/linux/lsm_hooks.h
+@@ -1530,6 +1530,12 @@
+  *
+  *     @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/pci-ecam.h b/include/linux/pci-ecam.h
+index 65d3d83015c3..fbdadd4d8377 100644
+--- a/include/linux/pci-ecam.h
++++ b/include/linux/pci-ecam.h
+@@ -85,6 +85,7 @@ extern const struct pci_ecam_ops pci_thunder_ecam_ops; /* Cavium ThunderX 1.x */
+ extern const struct pci_ecam_ops xgene_v1_pcie_ecam_ops; /* APM X-Gene PCIe v1 */
+ extern const struct pci_ecam_ops xgene_v2_pcie_ecam_ops; /* APM X-Gene PCIe v2.x */
+ extern const struct pci_ecam_ops al_pcie_ops;	/* Amazon Annapurna Labs PCIe */
++extern const struct pci_ecam_ops tegra194_pcie_ops; /* Tegra194 PCIe */
+ #endif
+
+ #if IS_ENABLED(CONFIG_PCI_HOST_COMMON)
+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 8aeebd6646dc..7737a5d71168 100644
+--- a/include/linux/security.h
++++ b/include/linux/security.h
+@@ -468,6 +468,7 @@ 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)
+@@ -1329,6 +1330,10 @@ 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/crash_core.c b/kernel/crash_core.c
+index 825284baaf46..0b2b3f510b16 100644
+--- a/kernel/crash_core.c
++++ b/kernel/crash_core.c
+@@ -7,6 +7,7 @@
+ #include <linux/crash_core.h>
+ #include <linux/utsname.h>
+ #include <linux/vmalloc.h>
++#include <linux/sizes.h>
+
+ #include <asm/page.h>
+ #include <asm/sections.h>
+@@ -41,6 +42,15 @@ static int __init parse_crashkernel_mem(char *cmdline,
+ 					unsigned long long *crash_base)
+ {
+ 	char *cur = cmdline, *tmp;
++	unsigned long long total_mem = system_ram;
++
++	/*
++	 * Firmware sometimes reserves some memory regions for it's own use.
++	 * so we get less than actual system memory size.
++	 * Workaround this by round up the total size to 128M which is
++	 * enough for most test cases.
++	 */
++	total_mem = roundup(total_mem, SZ_128M);
+
+ 	/* for each entry of the comma-separated list */
+ 	do {
+@@ -85,13 +95,13 @@ static int __init parse_crashkernel_mem(char *cmdline,
+ 			return -EINVAL;
+ 		}
+ 		cur = tmp;
+-		if (size >= system_ram) {
++		if (size >= total_mem) {
+ 			pr_warn("crashkernel: invalid size\n");
+ 			return -EINVAL;
+ 		}
+
+ 		/* match ? */
+-		if (system_ram >= start && system_ram < end) {
++		if (total_mem >= start && total_mem < end) {
+ 			*crash_size = size;
+ 			break;
+ 		}
+@@ -250,6 +260,20 @@ static int __init __parse_crashkernel(char *cmdline,
+ 	if (suffix)
+ 		return parse_crashkernel_suffix(ck_cmdline, crash_size,
+ 				suffix);
++
++	if (strncmp(ck_cmdline, "auto", 4) == 0) {
++#ifdef CONFIG_X86_64
++		ck_cmdline = "1G-64G:160M,64G-1T:256M,1T-:512M";
++#elif defined(CONFIG_S390)
++		ck_cmdline = "4G-64G:160M,64G-1T:256M,1T-:512M";
++#elif defined(CONFIG_ARM64)
++		ck_cmdline = "2G-:512M";
++#elif defined(CONFIG_PPC64)
++		ck_cmdline = "2G-4G:384M,4G-16G:512M,16G-64G:1G,64G-128G:2G,128G-:4G";
++#endif
++		pr_info("Using crashkernel=auto, the size chosen is a best effort estimation.\n");
++	}
++
+ 	/*
+ 	 * if the commandline contains a ':', then that's the extended
+ 	 * syntax -- if not, it must be the classic syntax
+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/can/isotp.c b/net/can/isotp.c
+index 9f94ad3caee9..253b24417c8e 100644
+--- a/net/can/isotp.c
++++ b/net/can/isotp.c
+@@ -1062,27 +1062,31 @@ static int isotp_bind(struct socket *sock, struct sockaddr *uaddr, int len)
+ 	if (len < ISOTP_MIN_NAMELEN)
+ 		return -EINVAL;
+
++	if (addr->can_addr.tp.tx_id & (CAN_ERR_FLAG | CAN_RTR_FLAG))
++		return -EADDRNOTAVAIL;
++
++	if (!addr->can_ifindex)
++		return -ENODEV;
++
++	lock_sock(sk);
++
+ 	/* do not register frame reception for functional addressing */
+ 	if (so->opt.flags & CAN_ISOTP_SF_BROADCAST)
+ 		do_rx_reg = 0;
+
+ 	/* do not validate rx address for functional addressing */
+ 	if (do_rx_reg) {
+-		if (addr->can_addr.tp.rx_id == addr->can_addr.tp.tx_id)
+-			return -EADDRNOTAVAIL;
++		if (addr->can_addr.tp.rx_id == addr->can_addr.tp.tx_id) {
++			err = -EADDRNOTAVAIL;
++			goto out;
++		}
+
+-		if (addr->can_addr.tp.rx_id & (CAN_ERR_FLAG | CAN_RTR_FLAG))
+-			return -EADDRNOTAVAIL;
++		if (addr->can_addr.tp.rx_id & (CAN_ERR_FLAG | CAN_RTR_FLAG)) {
++			err = -EADDRNOTAVAIL;
++			goto out;
++		}
+ 	}
+
+-	if (addr->can_addr.tp.tx_id & (CAN_ERR_FLAG | CAN_RTR_FLAG))
+-		return -EADDRNOTAVAIL;
+-
+-	if (!addr->can_ifindex)
+-		return -ENODEV;
+-
+-	lock_sock(sk);
+-
+ 	if (so->bound && addr->can_ifindex == so->ifindex &&
+ 	    addr->can_addr.tp.rx_id == so->rxid &&
+ 	    addr->can_addr.tp.tx_id == so->txid)
+@@ -1164,16 +1168,13 @@ static int isotp_getname(struct socket *sock, struct sockaddr *uaddr, int peer)
+ 	return ISOTP_MIN_NAMELEN;
+ }
+
+-static int isotp_setsockopt(struct socket *sock, int level, int optname,
++static int isotp_setsockopt_locked(struct socket *sock, int level, int optname,
+ 			    sockptr_t optval, unsigned int optlen)
+ {
+ 	struct sock *sk = sock->sk;
+ 	struct isotp_sock *so = isotp_sk(sk);
+ 	int ret = 0;
+
+-	if (level != SOL_CAN_ISOTP)
+-		return -EINVAL;
+-
+ 	if (so->bound)
+ 		return -EISCONN;
+
+@@ -1248,6 +1249,22 @@ static int isotp_setsockopt(struct socket *sock, int level, int optname,
+ 	return ret;
+ }
+
++static int isotp_setsockopt(struct socket *sock, int level, int optname,
++			    sockptr_t optval, unsigned int optlen)
++
++{
++	struct sock *sk = sock->sk;
++	int ret;
++
++	if (level != SOL_CAN_ISOTP)
++		return -EINVAL;
++
++	lock_sock(sk);
++	ret = isotp_setsockopt_locked(sock, level, optname, optval, optlen);
++	release_sock(sk);
++	return ret;
++}
++
+ static int isotp_getsockopt(struct socket *sock, int level, int optname,
+ 			    char __user *optval, int __user *optlen)
+ {
+diff --git a/security/integrity/platform_certs/load_uefi.c b/security/integrity/platform_certs/load_uefi.c
+index ee4b4c666854..eff9ff593405 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 5ac96b16f8fa..fc47d6de57ee 100644
+--- a/security/security.c
++++ b/security/security.c
+@@ -2547,6 +2547,12 @@ 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/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
+index 1fe70f2fe4fe..af80edb21bbb 100644
+--- a/sound/pci/hda/patch_realtek.c
++++ b/sound/pci/hda/patch_realtek.c
+@@ -5717,6 +5717,18 @@ static void alc_fixup_tpt470_dacs(struct hda_codec *codec,
+ 		spec->gen.preferred_dacs = preferred_pairs;
+ }
+
++static void alc295_fixup_asus_dacs(struct hda_codec *codec,
++				   const struct hda_fixup *fix, int action)
++{
++	static const hda_nid_t preferred_pairs[] = {
++		0x17, 0x02, 0x21, 0x03, 0
++	};
++	struct alc_spec *spec = codec->spec;
++
++	if (action == HDA_FIXUP_ACT_PRE_PROBE)
++		spec->gen.preferred_dacs = preferred_pairs;
++}
++
+ static void alc_shutup_dell_xps13(struct hda_codec *codec)
+ {
+ 	struct alc_spec *spec = codec->spec;
+@@ -6484,6 +6496,7 @@ enum {
+ 	ALC282_FIXUP_ACER_DISABLE_LINEOUT,
+ 	ALC255_FIXUP_ACER_LIMIT_INT_MIC_BOOST,
+ 	ALC256_FIXUP_ACER_HEADSET_MIC,
++	ALC295_FIXUP_ASUS_DACS,
+ 	ALC285_FIXUP_IDEAPAD_S740_COEF,
+ };
+
+@@ -7977,6 +7990,10 @@ static const struct hda_fixup alc269_fixups[] = {
+ 		.chained = true,
+ 		.chain_id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC
+ 	},
++	[ALC295_FIXUP_ASUS_DACS] = {
++		.type = HDA_FIXUP_FUNC,
++		.v.func = alc295_fixup_asus_dacs,
++	},
+ 	[ALC285_FIXUP_IDEAPAD_S740_COEF] = {
+ 		.type = HDA_FIXUP_FUNC,
+ 		.v.func = alc285_fixup_ideapad_s740_coef,
+@@ -8181,6 +8198,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
+ 	SND_PCI_QUIRK(0x1043, 0x1427, "Asus Zenbook UX31E", ALC269VB_FIXUP_ASUS_ZENBOOK),
+ 	SND_PCI_QUIRK(0x1043, 0x1517, "Asus Zenbook UX31A", ALC269VB_FIXUP_ASUS_ZENBOOK_UX31A),
+ 	SND_PCI_QUIRK(0x1043, 0x16e3, "ASUS UX50", ALC269_FIXUP_STEREO_DMIC),
++	SND_PCI_QUIRK(0x1043, 0x1740, "ASUS UX430UA", ALC295_FIXUP_ASUS_DACS),
+ 	SND_PCI_QUIRK(0x1043, 0x17d1, "ASUS UX431FL", ALC294_FIXUP_ASUS_DUAL_SPK),
+ 	SND_PCI_QUIRK(0x1043, 0x1881, "ASUS Zephyrus S/M", ALC294_FIXUP_ASUS_GX502_PINS),
+ 	SND_PCI_QUIRK(0x1043, 0x18b1, "Asus MJ401TA", ALC256_FIXUP_ASUS_HEADSET_MIC),