aboutsummaryrefslogtreecommitdiff
path: root/SOURCES/patch-6.10-redhat.patch
diff options
context:
space:
mode:
Diffstat (limited to 'SOURCES/patch-6.10-redhat.patch')
-rw-r--r--SOURCES/patch-6.10-redhat.patch1970
1 files changed, 1970 insertions, 0 deletions
diff --git a/SOURCES/patch-6.10-redhat.patch b/SOURCES/patch-6.10-redhat.patch
new file mode 100644
index 0000000..108e8a4
--- /dev/null
+++ b/SOURCES/patch-6.10-redhat.patch
@@ -0,0 +1,1970 @@
+ Makefile | 12 ++
+ 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 ++-
+ certs/extract-cert.c | 25 +---
+ crypto/drbg.c | 18 ++-
+ crypto/rng.c | 149 ++++++++++++++++++---
+ drivers/acpi/apei/hest.c | 8 ++
+ drivers/acpi/irq.c | 17 ++-
+ drivers/acpi/scan.c | 9 ++
+ drivers/ata/libahci.c | 18 +++
+ drivers/char/ipmi/ipmi_dmi.c | 15 +++
+ drivers/char/ipmi/ipmi_msghandler.c | 16 ++-
+ drivers/char/random.c | 122 +++++++++++++++++
+ drivers/firmware/efi/Makefile | 1 +
+ drivers/firmware/efi/efi.c | 124 ++++++++++++-----
+ drivers/firmware/efi/secureboot.c | 38 ++++++
+ 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/media/pci/intel/ipu-bridge.c | 40 ++++--
+ drivers/pci/quirks.c | 24 ++++
+ drivers/scsi/sd.c | 10 ++
+ drivers/usb/core/hub.c | 7 +
+ include/linux/crypto.h | 1 +
+ include/linux/efi.h | 22 ++-
+ include/linux/lsm_hook_defs.h | 2 +
+ include/linux/random.h | 10 ++
+ include/linux/rmi.h | 1 +
+ include/linux/security.h | 5 +
+ kernel/module/signing.c | 9 +-
+ net/bluetooth/hci_core.c | 7 -
+ net/bluetooth/hci_event.c | 5 +-
+ scripts/sign-file.c | 29 +---
+ 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 ++
+ 43 files changed, 782 insertions(+), 265 deletions(-)
+
+diff --git a/Makefile b/Makefile
+index c0af6d8aeb05..33ffe9e302df 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.
+ #
+diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
+index ee5115252aac..7f3796df8404 100644
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -1224,9 +1224,9 @@ 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 5d91259ee7b5..3a9f1962da72 100644
+--- a/arch/arm64/Kconfig
++++ b/arch/arm64/Kconfig
+@@ -1368,7 +1368,7 @@ 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 3a7d6e172211..8163a2173247 100644
+--- a/arch/s390/kernel/ipl.c
++++ b/arch/s390/kernel/ipl.c
+@@ -2479,3 +2479,8 @@ 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 610e6f794511..4fc7aca3f572 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>
+
+@@ -891,6 +892,9 @@ 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 05c5aa951da7..da521c6f1cf2 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>
+@@ -902,6 +903,13 @@ 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
++
+ reserve_ibft_region();
+ x86_init.resources.dmi_setup();
+
+@@ -1064,19 +1072,7 @@ 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/certs/extract-cert.c b/certs/extract-cert.c
+index 70e9ec89d87d..f5fb74916cee 100644
+--- a/certs/extract-cert.c
++++ b/certs/extract-cert.c
+@@ -21,7 +21,6 @@
+ #include <openssl/bio.h>
+ #include <openssl/pem.h>
+ #include <openssl/err.h>
+-#include <openssl/engine.h>
+
+ /*
+ * OpenSSL 3.0 deprecates the OpenSSL's ENGINE API.
+@@ -122,28 +121,8 @@ int main(int argc, char **argv)
+ fclose(f);
+ exit(0);
+ } else if (!strncmp(cert_src, "pkcs11:", 7)) {
+- ENGINE *e;
+- struct {
+- const char *cert_id;
+- X509 *cert;
+- } parms;
+-
+- parms.cert_id = cert_src;
+- parms.cert = NULL;
+-
+- ENGINE_load_builtin_engines();
+- drain_openssl_errors();
+- e = ENGINE_by_id("pkcs11");
+- ERR(!e, "Load PKCS#11 ENGINE");
+- if (ENGINE_init(e))
+- drain_openssl_errors();
+- else
+- ERR(1, "ENGINE_init");
+- if (key_pass)
+- ERR(!ENGINE_ctrl_cmd_string(e, "PIN", key_pass, 0), "Set PKCS#11 PIN");
+- ENGINE_ctrl_cmd(e, "LOAD_CERT_CTRL", 0, &parms, NULL, 1);
+- ERR(!parms.cert, "Get X.509 from PKCS#11");
+- write_cert(parms.cert);
++ fprintf(stderr, "Error: pkcs11 not implemented\n");
++ exit(1);
+ } else {
+ BIO *b;
+ X509 *x509;
+diff --git a/crypto/drbg.c b/crypto/drbg.c
+index 3addce90930c..730b03de596a 100644
+--- a/crypto/drbg.c
++++ b/crypto/drbg.c
+@@ -1494,13 +1494,14 @@ static int drbg_generate(struct drbg_state *drbg,
+ * Wrapper around drbg_generate which can pull arbitrary long strings
+ * from the DRBG without hitting the maximum request limitation.
+ *
+- * Parameters: see drbg_generate
++ * Parameters: see drbg_generate, except @reseed, which triggers reseeding
+ * Return codes: see drbg_generate -- if one drbg_generate request fails,
+ * the entire drbg_generate_long request fails
+ */
+ static int drbg_generate_long(struct drbg_state *drbg,
+ unsigned char *buf, unsigned int buflen,
+- struct drbg_string *addtl)
++ struct drbg_string *addtl,
++ bool reseed)
+ {
+ unsigned int len = 0;
+ unsigned int slice = 0;
+@@ -1510,6 +1511,8 @@ static int drbg_generate_long(struct drbg_state *drbg,
+ slice = ((buflen - len) / drbg_max_request_bytes(drbg));
+ chunk = slice ? drbg_max_request_bytes(drbg) : (buflen - len);
+ mutex_lock(&drbg->drbg_mutex);
++ if (reseed)
++ drbg->seeded = DRBG_SEED_STATE_UNSEEDED;
+ err = drbg_generate(drbg, buf + len, chunk, addtl);
+ mutex_unlock(&drbg->drbg_mutex);
+ if (0 > err)
+@@ -1936,6 +1939,7 @@ static int drbg_kcapi_random(struct crypto_rng *tfm,
+ struct drbg_state *drbg = crypto_rng_ctx(tfm);
+ struct drbg_string *addtl = NULL;
+ struct drbg_string string;
++ int err;
+
+ if (slen) {
+ /* linked list variable is now local to allow modification */
+@@ -1943,7 +1947,15 @@ static int drbg_kcapi_random(struct crypto_rng *tfm,
+ addtl = &string;
+ }
+
+- return drbg_generate_long(drbg, dst, dlen, addtl);
++ err = drbg_generate_long(drbg, dst, dlen, addtl,
++ (crypto_tfm_get_flags(crypto_rng_tfm(tfm)) &
++ CRYPTO_TFM_REQ_NEED_RESEED) ==
++ CRYPTO_TFM_REQ_NEED_RESEED);
++
++ crypto_tfm_clear_flags(crypto_rng_tfm(tfm),
++ CRYPTO_TFM_REQ_NEED_RESEED);
++
++ return err;
+ }
+
+ /*
+diff --git a/crypto/rng.c b/crypto/rng.c
+index 9d8804e46422..5ccb0485ff4b 100644
+--- a/crypto/rng.c
++++ b/crypto/rng.c
+@@ -12,10 +12,13 @@
+ #include <linux/atomic.h>
+ #include <linux/cryptouser.h>
+ #include <linux/err.h>
++#include <linux/fips.h>
+ #include <linux/kernel.h>
+ #include <linux/module.h>
+ #include <linux/mutex.h>
+ #include <linux/random.h>
++#include <linux/sched.h>
++#include <linux/sched/signal.h>
+ #include <linux/seq_file.h>
+ #include <linux/slab.h>
+ #include <linux/string.h>
+@@ -23,7 +26,9 @@
+
+ #include "internal.h"
+
+-static DEFINE_MUTEX(crypto_default_rng_lock);
++static ____cacheline_aligned_in_smp DEFINE_MUTEX(crypto_reseed_rng_lock);
++static struct crypto_rng *crypto_reseed_rng;
++static ____cacheline_aligned_in_smp DEFINE_MUTEX(crypto_default_rng_lock);
+ struct crypto_rng *crypto_default_rng;
+ EXPORT_SYMBOL_GPL(crypto_default_rng);
+ static int crypto_default_rng_refcnt;
+@@ -106,31 +111,37 @@ struct crypto_rng *crypto_alloc_rng(const char *alg_name, u32 type, u32 mask)
+ }
+ EXPORT_SYMBOL_GPL(crypto_alloc_rng);
+
+-int crypto_get_default_rng(void)
++static int crypto_get_rng(struct crypto_rng **rngp)
+ {
+ struct crypto_rng *rng;
+ int err;
+
+- mutex_lock(&crypto_default_rng_lock);
+- if (!crypto_default_rng) {
++ if (!*rngp) {
+ rng = crypto_alloc_rng("stdrng", 0, 0);
+ err = PTR_ERR(rng);
+ if (IS_ERR(rng))
+- goto unlock;
++ return err;
+
+ err = crypto_rng_reset(rng, NULL, crypto_rng_seedsize(rng));
+ if (err) {
+ crypto_free_rng(rng);
+- goto unlock;
++ return err;
+ }
+
+- crypto_default_rng = rng;
++ *rngp = rng;
+ }
+
+- crypto_default_rng_refcnt++;
+- err = 0;
++ return 0;
++}
++
++int crypto_get_default_rng(void)
++{
++ int err;
+
+-unlock:
++ mutex_lock(&crypto_default_rng_lock);
++ err = crypto_get_rng(&crypto_default_rng);
++ if (!err)
++ crypto_default_rng_refcnt++;
+ mutex_unlock(&crypto_default_rng_lock);
+
+ return err;
+@@ -146,24 +157,33 @@ void crypto_put_default_rng(void)
+ EXPORT_SYMBOL_GPL(crypto_put_default_rng);
+
+ #if defined(CONFIG_CRYPTO_RNG) || defined(CONFIG_CRYPTO_RNG_MODULE)
+-int crypto_del_default_rng(void)
++static int crypto_del_rng(struct crypto_rng **rngp, int *refcntp,
++ struct mutex *lock)
+ {
+ int err = -EBUSY;
+
+- mutex_lock(&crypto_default_rng_lock);
+- if (crypto_default_rng_refcnt)
++ mutex_lock(lock);
++ if (refcntp && *refcntp)
+ goto out;
+
+- crypto_free_rng(crypto_default_rng);
+- crypto_default_rng = NULL;
++ crypto_free_rng(*rngp);
++ *rngp = NULL;
+
+ err = 0;
+
+ out:
+- mutex_unlock(&crypto_default_rng_lock);
++ mutex_unlock(lock);
+
+ return err;
+ }
++
++int crypto_del_default_rng(void)
++{
++ return crypto_del_rng(&crypto_default_rng, &crypto_default_rng_refcnt,
++ &crypto_default_rng_lock) ?:
++ crypto_del_rng(&crypto_reseed_rng, NULL,
++ &crypto_reseed_rng_lock);
++}
+ EXPORT_SYMBOL_GPL(crypto_del_default_rng);
+ #endif
+
+@@ -217,5 +237,102 @@ void crypto_unregister_rngs(struct rng_alg *algs, int count)
+ }
+ EXPORT_SYMBOL_GPL(crypto_unregister_rngs);
+
++static ssize_t crypto_devrandom_read_iter(struct iov_iter *iter, bool reseed)
++{
++ struct crypto_rng *rng;
++ u8 tmp[256];
++ ssize_t ret;
++
++ if (unlikely(!iov_iter_count(iter)))
++ return 0;
++
++ if (reseed) {
++ u32 flags = 0;
++
++ /* If reseeding is requested, acquire a lock on
++ * crypto_reseed_rng so it is not swapped out until
++ * the initial random bytes are generated.
++ *
++ * The algorithm implementation is also protected with
++ * a separate mutex (drbg->drbg_mutex) around the
++ * reseed-and-generate operation.
++ */
++ mutex_lock(&crypto_reseed_rng_lock);
++
++ /* If crypto_default_rng is not set, it will be seeded
++ * at creation in __crypto_get_default_rng and thus no
++ * reseeding is needed.
++ */
++ if (crypto_reseed_rng)
++ flags |= CRYPTO_TFM_REQ_NEED_RESEED;
++
++ ret = crypto_get_rng(&crypto_reseed_rng);
++ if (ret) {
++ mutex_unlock(&crypto_reseed_rng_lock);
++ return ret;
++ }
++
++ rng = crypto_reseed_rng;
++ crypto_tfm_set_flags(crypto_rng_tfm(rng), flags);
++ } else {
++ ret = crypto_get_default_rng();
++ if (ret)
++ return ret;
++ rng = crypto_default_rng;
++ }
++
++ for (;;) {
++ size_t i, copied;
++ int err;
++
++ i = min_t(size_t, iov_iter_count(iter), sizeof(tmp));
++ err = crypto_rng_get_bytes(rng, tmp, i);
++ if (err) {
++ ret = err;
++ break;
++ }
++
++ copied = copy_to_iter(tmp, i, iter);
++ ret += copied;
++
++ if (!iov_iter_count(iter))
++ break;
++
++ if (need_resched()) {
++ if (signal_pending(current))
++ break;
++ schedule();
++ }
++ }
++
++ if (reseed)
++ mutex_unlock(&crypto_reseed_rng_lock);
++ else
++ crypto_put_default_rng();
++ memzero_explicit(tmp, sizeof(tmp));
++
++ return ret;
++}
++
++static const struct random_extrng crypto_devrandom_rng = {
++ .extrng_read_iter = crypto_devrandom_read_iter,
++ .owner = THIS_MODULE,
++};
++
++static int __init crypto_rng_init(void)
++{
++ if (fips_enabled)
++ random_register_extrng(&crypto_devrandom_rng);
++ return 0;
++}
++
++static void __exit crypto_rng_exit(void)
++{
++ random_unregister_extrng();
++}
++
++late_initcall(crypto_rng_init);
++module_exit(crypto_rng_exit);
++
+ MODULE_LICENSE("GPL");
+ MODULE_DESCRIPTION("Random Number Generator");
+diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
+index 20d757687e3d..90a13f20f052 100644
+--- a/drivers/acpi/apei/hest.c
++++ b/drivers/acpi/apei/hest.c
+@@ -142,6 +142,14 @@ 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 1687483ff319..390b67f19181 100644
+--- a/drivers/acpi/irq.c
++++ b/drivers/acpi/irq.c
+@@ -143,6 +143,7 @@ struct acpi_irq_parse_one_ctx {
+ unsigned int index;
+ unsigned long *res_flags;
+ struct irq_fwspec *fwspec;
++ bool skip_producer_check;
+ };
+
+ /**
+@@ -216,7 +217,8 @@ 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;
+@@ -252,8 +254,19 @@ 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/scan.c b/drivers/acpi/scan.c
+index 503773707e01..2fead21fcb07 100644
+--- a/drivers/acpi/scan.c
++++ b/drivers/acpi/scan.c
+@@ -1793,6 +1793,15 @@ 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 83431aae74d8..f2a9c0d644af 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 e12b531f5c2f..082707f8dff8 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"
+@@ -5510,8 +5511,21 @@ static int __init ipmi_init_msghandler_mod(void)
+ {
+ int rv;
+
+- pr_info("version " IPMI_DRIVER_VERSION "\n");
++#ifdef CONFIG_ARM64
++ /* RHEL-only
++ * If this is ARM-based HPE m400, return now, because that platform
++ * reports the host-side ipmi address as intel port-io space, which
++ * does not exist in the ARM architecture.
++ */
++ const char *dmistr = dmi_get_system_info(DMI_PRODUCT_NAME);
+
++ if (dmistr && (strcmp("ProLiant m400 Server", dmistr) == 0)) {
++ pr_debug("%s does not support host ipmi\n", dmistr);
++ return -ENOSYS;
++ }
++ /* END RHEL-only */
++#endif
++ pr_info("version " IPMI_DRIVER_VERSION "\n");
+ mutex_lock(&ipmi_interfaces_mutex);
+ rv = ipmi_register_driver();
+ mutex_unlock(&ipmi_interfaces_mutex);
+diff --git a/drivers/char/random.c b/drivers/char/random.c
+index 2597cb43f438..d860f4f6ba2c 100644
+--- a/drivers/char/random.c
++++ b/drivers/char/random.c
+@@ -51,6 +51,7 @@
+ #include <linux/completion.h>
+ #include <linux/uuid.h>
+ #include <linux/uaccess.h>
++#include <linux/rcupdate.h>
+ #include <linux/suspend.h>
+ #include <linux/siphash.h>
+ #include <linux/sched/isolation.h>
+@@ -309,6 +310,11 @@ static void crng_fast_key_erasure(u8 key[CHACHA_KEY_SIZE],
+ memzero_explicit(first_block, sizeof(first_block));
+ }
+
++/*
++ * Hook for external RNG.
++ */
++static const struct random_extrng __rcu *extrng;
++
+ /*
+ * This function returns a ChaCha state that you may use for generating
+ * random data. It also returns up to 32 bytes on its own of random data
+@@ -739,6 +745,9 @@ static void __cold _credit_init_bits(size_t bits)
+ }
+
+
++static const struct file_operations extrng_random_fops;
++static const struct file_operations extrng_urandom_fops;
++
+ /**********************************************************************
+ *
+ * Entropy collection routines.
+@@ -956,6 +965,19 @@ void __init add_bootloader_randomness(const void *buf, size_t len)
+ credit_init_bits(len * 8);
+ }
+
++void random_register_extrng(const struct random_extrng *rng)
++{
++ rcu_assign_pointer(extrng, rng);
++}
++EXPORT_SYMBOL_GPL(random_register_extrng);
++
++void random_unregister_extrng(void)
++{
++ RCU_INIT_POINTER(extrng, NULL);
++ synchronize_rcu();
++}
++EXPORT_SYMBOL_GPL(random_unregister_extrng);
++
+ #if IS_ENABLED(CONFIG_VMGENID)
+ static BLOCKING_NOTIFIER_HEAD(vmfork_chain);
+
+@@ -1365,6 +1387,7 @@ SYSCALL_DEFINE3(getrandom, char __user *, ubuf, size_t, len, unsigned int, flags
+ {
+ struct iov_iter iter;
+ int ret;
++ const struct random_extrng *rng;
+
+ if (flags & ~(GRND_NONBLOCK | GRND_RANDOM | GRND_INSECURE))
+ return -EINVAL;
+@@ -1376,6 +1399,21 @@ SYSCALL_DEFINE3(getrandom, char __user *, ubuf, size_t, len, unsigned int, flags
+ if ((flags & (GRND_INSECURE | GRND_RANDOM)) == (GRND_INSECURE | GRND_RANDOM))
+ return -EINVAL;
+
++ rcu_read_lock();
++ rng = rcu_dereference(extrng);
++ if (rng && !try_module_get(rng->owner))
++ rng = NULL;
++ rcu_read_unlock();
++
++ if (rng) {
++ ret = import_ubuf(ITER_DEST, ubuf, len, &iter);
++ if (unlikely(ret))
++ return ret;
++ ret = rng->extrng_read_iter(&iter, !!(flags & GRND_RANDOM));
++ module_put(rng->owner);
++ return ret;
++ }
++
+ if (!crng_ready() && !(flags & GRND_INSECURE)) {
+ if (flags & GRND_NONBLOCK)
+ return -EAGAIN;
+@@ -1396,6 +1434,12 @@ static __poll_t random_poll(struct file *file, poll_table *wait)
+ return crng_ready() ? EPOLLIN | EPOLLRDNORM : EPOLLOUT | EPOLLWRNORM;
+ }
+
++static __poll_t extrng_poll(struct file *file, poll_table * wait)
++{
++ /* extrng pool is always full, always read, no writes */
++ return EPOLLIN | EPOLLRDNORM;
++}
++
+ static ssize_t write_pool_user(struct iov_iter *iter)
+ {
+ u8 block[BLAKE2S_BLOCK_SIZE];
+@@ -1536,7 +1580,58 @@ static int random_fasync(int fd, struct file *filp, int on)
+ return fasync_helper(fd, filp, on, &fasync);
+ }
+
++static int random_open(struct inode *inode, struct file *filp)
++{
++ const struct random_extrng *rng;
++
++ rcu_read_lock();
++ rng = rcu_dereference(extrng);
++ if (rng && !try_module_get(rng->owner))
++ rng = NULL;
++ rcu_read_unlock();
++
++ if (!rng)
++ return 0;
++
++ filp->f_op = &extrng_random_fops;
++ filp->private_data = rng->owner;
++
++ return 0;
++}
++
++static int urandom_open(struct inode *inode, struct file *filp)
++{
++ const struct random_extrng *rng;
++
++ rcu_read_lock();
++ rng = rcu_dereference(extrng);
++ if (rng && !try_module_get(rng->owner))
++ rng = NULL;
++ rcu_read_unlock();
++
++ if (!rng)
++ return 0;
++
++ filp->f_op = &extrng_urandom_fops;
++ filp->private_data = rng->owner;
++
++ return 0;
++}
++
++static int extrng_release(struct inode *inode, struct file *filp)
++{
++ module_put(filp->private_data);
++ return 0;
++}
++
++static ssize_t
++extrng_read_iter(struct kiocb *kiocb, struct iov_iter *iter)
++{
++ return rcu_dereference_raw(extrng)->extrng_read_iter(iter, false);
++}
++
+ const struct file_operations random_fops = {
++ .open = random_open,
+ .read_iter = random_read_iter,
+ .write_iter = random_write_iter,
+ .poll = random_poll,
+@@ -1549,6 +1644,7 @@ const struct file_operations random_fops = {
+ };
+
+ const struct file_operations urandom_fops = {
++ .open = urandom_open,
+ .read_iter = urandom_read_iter,
+ .write_iter = random_write_iter,
+ .unlocked_ioctl = random_ioctl,
+@@ -1559,6 +1655,32 @@ const struct file_operations urandom_fops = {
+ .splice_write = iter_file_splice_write,
+ };
+
++static const struct file_operations extrng_random_fops = {
++ .open = random_open,
++ .read_iter = extrng_read_iter,
++ .write_iter = random_write_iter,
++ .poll = extrng_poll,
++ .unlocked_ioctl = random_ioctl,
++ .compat_ioctl = compat_ptr_ioctl,
++ .fasync = random_fasync,
++ .llseek = noop_llseek,
++ .release = extrng_release,
++ .splice_read = copy_splice_read,
++ .splice_write = iter_file_splice_write,
++};
++
++static const struct file_operations extrng_urandom_fops = {
++ .open = urandom_open,
++ .read_iter = extrng_read_iter,
++ .write_iter = random_write_iter,
++ .unlocked_ioctl = random_ioctl,
++ .compat_ioctl = compat_ptr_ioctl,
++ .fasync = random_fasync,
++ .llseek = noop_llseek,
++ .release = extrng_release,
++ .splice_read = copy_splice_read,
++ .splice_write = iter_file_splice_write,
++};
+
+ /********************************************************************
+ *
+diff --git a/drivers/firmware/efi/Makefile b/drivers/firmware/efi/Makefile
+index a2d0009560d0..4f3486e6a84b 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 fdf07dd6f459..cfd2b58a3494 100644
+--- a/drivers/firmware/efi/efi.c
++++ b/drivers/firmware/efi/efi.c
+@@ -33,6 +33,7 @@
+ #include <linux/memblock.h>
+ #include <linux/security.h>
+ #include <linux/notifier.h>
++#include <linux/bsearch.h>
+
+ #include <asm/early_ioremap.h>
+
+@@ -993,40 +994,101 @@ int efi_mem_type(unsigned long phys_addr)
+ return -EINVAL;
+ }
+
++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/hid/hid-rmi.c b/drivers/hid/hid-rmi.c
+index d4af17fdba46..154f0403cbf4 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;
+ }
+
+@@ -589,56 +580,6 @@ 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;
+@@ -711,18 +652,11 @@ 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 bf01f01964cf..703896981e8a 100644
+--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
++++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
+@@ -10,6 +10,7 @@
+ #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>
+@@ -2344,6 +2345,16 @@ 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 = {
+@@ -2412,6 +2423,11 @@ 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 */
+@@ -2438,6 +2454,9 @@ 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 ef9ea295f9e0..0103334e8f32 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:
+@@ -978,6 +994,8 @@ static int rmi_driver_remove(struct device *dev)
+
+ rmi_disable_irq(rmi_dev, false);
+
++ cancel_work_sync(&data->attn_work);
++
+ rmi_f34_remove_sysfs(rmi_dev);
+ rmi_free_function_list(rmi_dev);
+
+@@ -1223,9 +1241,15 @@ 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 9df7cc75c1bc..60d541ae39e8 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>
+@@ -2916,6 +2917,27 @@ 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
++
+ /**
+ * iommu_setup_default_domain - Set the default_domain for the group
+ * @group: Group to change
+diff --git a/drivers/media/pci/intel/ipu-bridge.c b/drivers/media/pci/intel/ipu-bridge.c
+index 61750cc98d70..a0e9a71580b5 100644
+--- a/drivers/media/pci/intel/ipu-bridge.c
++++ b/drivers/media/pci/intel/ipu-bridge.c
+@@ -43,28 +43,46 @@
+ * becoming apparent in the future.
+ *
+ * Do not add an entry for a sensor that is not actually supported.
++ *
++ * Please keep the list sorted by ACPI HID.
+ */
+ static const struct ipu_sensor_config ipu_supported_sensors[] = {
++ /* Himax HM11B1 */
++ IPU_SENSOR_CONFIG("HIMX11B1", 1, 384000000),
++ /* Himax HM2170 */
++ IPU_SENSOR_CONFIG("HIMX2170", 1, 384000000),
++ /* Himax HM2172 */
++ IPU_SENSOR_CONFIG("HIMX2172", 1, 384000000),
++ /* GalaxyCore GC0310 */
++ IPU_SENSOR_CONFIG("INT0310", 0),
+ /* Omnivision OV5693 */
+ IPU_SENSOR_CONFIG("INT33BE", 1, 419200000),
++ /* Omnivision OV2740 */
++ IPU_SENSOR_CONFIG("INT3474", 1, 180000000),
+ /* Omnivision OV8865 */
+ IPU_SENSOR_CONFIG("INT347A", 1, 360000000),
+ /* Omnivision OV7251 */
+ IPU_SENSOR_CONFIG("INT347E", 1, 319200000),
++ /* Hynix Hi-556 */
++ IPU_SENSOR_CONFIG("INT3537", 1, 437000000),
++ /* Omnivision OV01A10 / OV01A1S */
++ IPU_SENSOR_CONFIG("OVTI01A0", 1, 400000000),
++ IPU_SENSOR_CONFIG("OVTI01AS", 1, 400000000),
++ /* Omnivision OV02C10 */
++ IPU_SENSOR_CONFIG("OVTI02C1", 1, 400000000),
++ /* Omnivision OV02E10 */
++ IPU_SENSOR_CONFIG("OVTI02E1", 1, 360000000),
++ /* Omnivision OV08A10 */
++ IPU_SENSOR_CONFIG("OVTI08A1", 1, 500000000),
++ /* Omnivision OV08x40 */
++ IPU_SENSOR_CONFIG("OVTI08F4", 1, 400000000),
++ /* Omnivision OV13B10 */
++ IPU_SENSOR_CONFIG("OVTI13B1", 1, 560000000),
++ IPU_SENSOR_CONFIG("OVTIDB10", 1, 560000000),
+ /* Omnivision OV2680 */
+ IPU_SENSOR_CONFIG("OVTI2680", 1, 331200000),
+- /* Omnivision ov8856 */
++ /* Omnivision OV8856 */
+ IPU_SENSOR_CONFIG("OVTI8856", 3, 180000000, 360000000, 720000000),
+- /* Omnivision ov2740 */
+- IPU_SENSOR_CONFIG("INT3474", 1, 180000000),
+- /* Hynix hi556 */
+- IPU_SENSOR_CONFIG("INT3537", 1, 437000000),
+- /* Omnivision ov13b10 */
+- IPU_SENSOR_CONFIG("OVTIDB10", 1, 560000000),
+- /* GalaxyCore GC0310 */
+- IPU_SENSOR_CONFIG("INT0310", 0),
+- /* Omnivision ov01a10 */
+- IPU_SENSOR_CONFIG("OVTI01A0", 1, 400000000),
+ };
+
+ static const struct ipu_property_names prop_names = {
+diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
+index 568410e64ce6..6afbaee83950 100644
+--- a/drivers/pci/quirks.c
++++ b/drivers/pci/quirks.c
+@@ -4433,6 +4433,30 @@ 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/sd.c b/drivers/scsi/sd.c
+index 1b7561abe05d..13f23905fb25 100644
+--- a/drivers/scsi/sd.c
++++ b/drivers/scsi/sd.c
+@@ -120,6 +120,14 @@ static const char *sd_cache_types[] = {
+ "write back, no read (daft)"
+ };
+
++static const char *sd_probe_types[] = { "async", "sync" };
++
++static char sd_probe_type[6] = "async";
++module_param_string(probe, sd_probe_type, sizeof(sd_probe_type),
++ S_IRUGO|S_IWUSR);
++MODULE_PARM_DESC(probe, "async or sync. Setting to 'sync' disables asynchronous "
++ "device number assignments (sda, sdb, ...).");
++
+ static void sd_set_flush_flag(struct scsi_disk *sdkp)
+ {
+ bool wc = false, fua = false;
+@@ -4252,6 +4260,8 @@ static int __init init_sd(void)
+ goto err_out_class;
+ }
+
++ if (!strcmp(sd_probe_type, "sync"))
++ sd_template.gendrv.probe_type = PROBE_FORCE_SYNCHRONOUS;
+ err = scsi_register_driver(&sd_template.gendrv);
+ if (err)
+ goto err_out_driver;
+diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
+index 4b93c0bd1d4b..b98906237306 100644
+--- a/drivers/usb/core/hub.c
++++ b/drivers/usb/core/hub.c
+@@ -5844,6 +5844,13 @@ 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/crypto.h b/include/linux/crypto.h
+index b164da5e129e..59021b8609a7 100644
+--- a/include/linux/crypto.h
++++ b/include/linux/crypto.h
+@@ -133,6 +133,7 @@
+ #define CRYPTO_TFM_REQ_FORBID_WEAK_KEYS 0x00000100
+ #define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200
+ #define CRYPTO_TFM_REQ_MAY_BACKLOG 0x00000400
++#define CRYPTO_TFM_REQ_NEED_RESEED 0x00000800
+
+ /*
+ * Miscellaneous stuff.
+diff --git a/include/linux/efi.h b/include/linux/efi.h
+index 418e555459da..fdd941287ae1 100644
+--- a/include/linux/efi.h
++++ b/include/linux/efi.h
+@@ -45,6 +45,8 @@ struct screen_info;
+ #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 */
+@@ -872,6 +874,14 @@ static inline int efi_range_is_wc(unsigned long start, unsigned long len)
+ #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
+ /*
+@@ -883,6 +893,8 @@ 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)
+@@ -904,6 +916,8 @@ 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;
+@@ -918,6 +932,7 @@ 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
+@@ -1133,13 +1148,6 @@ static inline bool efi_runtime_disabled(void) { return true; }
+ extern void efi_call_virt_check_flags(unsigned long flags, const void *caller);
+ 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 855db460e08b..7a8c28cd7510 100644
+--- a/include/linux/lsm_hook_defs.h
++++ b/include/linux/lsm_hook_defs.h
+@@ -438,6 +438,8 @@ LSM_HOOK(int, 0, bpf_token_capable, const struct bpf_token *token, int cap)
+ #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/random.h b/include/linux/random.h
+index b0a940af4fff..8a52424fd0d5 100644
+--- a/include/linux/random.h
++++ b/include/linux/random.h
+@@ -9,6 +9,13 @@
+
+ #include <uapi/linux/random.h>
+
++struct iov_iter;
++
++struct random_extrng {
++ ssize_t (*extrng_read_iter)(struct iov_iter *iter, bool reseed);
++ struct module *owner;
++};
++
+ struct notifier_block;
+
+ void add_device_randomness(const void *buf, size_t len);
+@@ -157,6 +164,9 @@ int random_prepare_cpu(unsigned int cpu);
+ int random_online_cpu(unsigned int cpu);
+ #endif
+
++void random_register_extrng(const struct random_extrng *rng);
++void random_unregister_extrng(void);
++
+ #ifndef MODULE
+ extern const struct file_operations random_fops, urandom_fops;
+ #endif
+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 de3af33e6ff5..0a37270070e4 100644
+--- a/include/linux/security.h
++++ b/include/linux/security.h
+@@ -507,6 +507,7 @@ 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);
+ int lsm_fill_user_ctx(struct lsm_ctx __user *uctx, u32 *uctx_len,
+ void *val, size_t val_len, u64 id, u64 flags);
+ #else /* CONFIG_SECURITY */
+@@ -1477,6 +1478,10 @@ 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;
++}
+ static inline int lsm_fill_user_ctx(struct lsm_ctx __user *uctx,
+ u32 *uctx_len, void *val, size_t val_len,
+ u64 id, u64 flags)
+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/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
+index 7ae118a6d947..6ecb110bf46b 100644
+--- a/net/bluetooth/hci_core.c
++++ b/net/bluetooth/hci_core.c
+@@ -120,13 +120,6 @@ void hci_discovery_set_state(struct hci_dev *hdev, int state)
+ case DISCOVERY_STARTING:
+ break;
+ case DISCOVERY_FINDING:
+- /* If discovery was not started then it was initiated by the
+- * MGMT interface so no MGMT event shall be generated either
+- */
+- if (old_state != DISCOVERY_STARTING) {
+- hdev->discovery.state = old_state;
+- return;
+- }
+ mgmt_discovering(hdev, 1);
+ break;
+ case DISCOVERY_RESOLVING:
+diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
+index 4611a67d7dcc..a78f6d706cd4 100644
+--- a/net/bluetooth/hci_event.c
++++ b/net/bluetooth/hci_event.c
+@@ -1722,9 +1722,10 @@ static void le_set_scan_enable_complete(struct hci_dev *hdev, u8 enable)
+ switch (enable) {
+ case LE_SCAN_ENABLE:
+ hci_dev_set_flag(hdev, HCI_LE_SCAN);
+- if (hdev->le_scan_type == LE_SCAN_ACTIVE)
++ if (hdev->le_scan_type == LE_SCAN_ACTIVE) {
+ clear_pending_adv_report(hdev);
+- hci_discovery_set_state(hdev, DISCOVERY_FINDING);
++ hci_discovery_set_state(hdev, DISCOVERY_FINDING);
++ }
+ break;
+
+ case LE_SCAN_DISABLE:
+diff --git a/scripts/sign-file.c b/scripts/sign-file.c
+index 3edb156ae52c..0114ae1dbf7f 100644
+--- a/scripts/sign-file.c
++++ b/scripts/sign-file.c
+@@ -27,7 +27,6 @@
+ #include <openssl/evp.h>
+ #include <openssl/pem.h>
+ #include <openssl/err.h>
+-#include <openssl/engine.h>
+
+ /*
+ * OpenSSL 3.0 deprecates the OpenSSL's ENGINE API.
+@@ -99,16 +98,6 @@ static void display_openssl_errors(int l)
+ }
+ }
+
+-static void drain_openssl_errors(void)
+-{
+- const char *file;
+- int line;
+-
+- if (ERR_peek_error() == 0)
+- return;
+- while (ERR_get_error_line(&file, &line)) {}
+-}
+-
+ #define ERR(cond, fmt, ...) \
+ do { \
+ bool __cond = (cond); \
+@@ -144,22 +133,8 @@ static EVP_PKEY *read_private_key(const char *private_key_name)
+ EVP_PKEY *private_key;
+
+ if (!strncmp(private_key_name, "pkcs11:", 7)) {
+- ENGINE *e;
+-
+- ENGINE_load_builtin_engines();
+- drain_openssl_errors();
+- e = ENGINE_by_id("pkcs11");
+- ERR(!e, "Load PKCS#11 ENGINE");
+- if (ENGINE_init(e))
+- drain_openssl_errors();
+- else
+- ERR(1, "ENGINE_init");
+- if (key_pass)
+- ERR(!ENGINE_ctrl_cmd_string(e, "PIN", key_pass, 0),
+- "Set PKCS#11 PIN");
+- private_key = ENGINE_load_private_key(e, private_key_name,
+- NULL, NULL);
+- ERR(!private_key, "%s", private_key_name);
++ fprintf(stderr, "Error: pkcs11 not implemented\n");
++ exit(1);
+ } else {
+ BIO *b;
+
+diff --git a/scripts/tags.sh b/scripts/tags.sh
+index 191e0461d6d5..e6f418b3e948 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 cd84d8ea1dfb..e4c70a0312bc 100644
+--- a/security/lockdown/lockdown.c
++++ b/security/lockdown/lockdown.c
+@@ -74,6 +74,7 @@ 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),
+ };
+
+ const struct lsm_id lockdown_lsmid = {
+diff --git a/security/security.c b/security/security.c
+index 8cee5b6c6e6d..489e25946bf9 100644
+--- a/security/security.c
++++ b/security/security.c
+@@ -5596,6 +5596,18 @@ 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, where, level);
++}
++EXPORT_SYMBOL(security_lock_kernel_down);
++
+ #ifdef CONFIG_PERF_EVENTS
+ /**
+ * security_perf_event_open() - Check if a perf event open is allowed