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-rw-r--r--arch/arm64/boot/dts/qcom/ipq8074.dtsi2
-rw-r--r--arch/arm64/include/asm/acpi.h3
-rw-r--r--arch/arm64/include/asm/assembler.h5
-rw-r--r--arch/arm64/include/asm/mte.h6
-rw-r--r--arch/arm64/include/asm/string.h2
-rw-r--r--arch/arm64/kernel/acpi.c19
-rw-r--r--arch/arm64/kernel/cpufeature.c8
-rw-r--r--arch/arm64/kernel/mte.c10
-rw-r--r--arch/arm64/kernel/signal.c4
-rw-r--r--arch/arm64/lib/strcmp.S2
-rw-r--r--arch/arm64/lib/strncmp.S2
11 files changed, 29 insertions, 34 deletions
diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
index a620ac0d0b19..db333001df4d 100644
--- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
@@ -487,7 +487,6 @@
interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
phys = <&qusb_phy_0>, <&usb0_ssphy>;
phy-names = "usb2-phy", "usb3-phy";
- tx-fifo-resize;
snps,is-utmi-l1-suspend;
snps,hird-threshold = /bits/ 8 <0x0>;
snps,dis_u2_susphy_quirk;
@@ -528,7 +527,6 @@
interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>;
phys = <&qusb_phy_1>, <&usb1_ssphy>;
phy-names = "usb2-phy", "usb3-phy";
- tx-fifo-resize;
snps,is-utmi-l1-suspend;
snps,hird-threshold = /bits/ 8 <0x0>;
snps,dis_u2_susphy_quirk;
diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h
index 7535dc7cc5aa..bd68e1b7f29f 100644
--- a/arch/arm64/include/asm/acpi.h
+++ b/arch/arm64/include/asm/acpi.h
@@ -50,9 +50,6 @@ pgprot_t __acpi_get_mem_attribute(phys_addr_t addr);
void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size);
#define acpi_os_ioremap acpi_os_ioremap
-void __iomem *acpi_os_memmap(acpi_physical_address phys, acpi_size size);
-#define acpi_os_memmap acpi_os_memmap
-
typedef u64 phys_cpuid_t;
#define PHYS_CPUID_INVALID INVALID_HWID
diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index 89faca0e740d..bfa58409a4d4 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -525,6 +525,11 @@ alternative_endif
#define EXPORT_SYMBOL_NOKASAN(name) EXPORT_SYMBOL(name)
#endif
+#ifdef CONFIG_KASAN_HW_TAGS
+#define EXPORT_SYMBOL_NOHWKASAN(name)
+#else
+#define EXPORT_SYMBOL_NOHWKASAN(name) EXPORT_SYMBOL_NOKASAN(name)
+#endif
/*
* Emit a 64-bit absolute little endian symbol reference in a way that
* ensures that it will be resolved at build time, even when building a
diff --git a/arch/arm64/include/asm/mte.h b/arch/arm64/include/asm/mte.h
index 3f93b9e0b339..02511650cffe 100644
--- a/arch/arm64/include/asm/mte.h
+++ b/arch/arm64/include/asm/mte.h
@@ -99,11 +99,17 @@ void mte_check_tfsr_el1(void);
static inline void mte_check_tfsr_entry(void)
{
+ if (!system_supports_mte())
+ return;
+
mte_check_tfsr_el1();
}
static inline void mte_check_tfsr_exit(void)
{
+ if (!system_supports_mte())
+ return;
+
/*
* The asynchronous faults are sync'ed automatically with
* TFSR_EL1 on kernel entry but for exit an explicit dsb()
diff --git a/arch/arm64/include/asm/string.h b/arch/arm64/include/asm/string.h
index 3a3264ff47b9..95f7686b728d 100644
--- a/arch/arm64/include/asm/string.h
+++ b/arch/arm64/include/asm/string.h
@@ -12,11 +12,13 @@ extern char *strrchr(const char *, int c);
#define __HAVE_ARCH_STRCHR
extern char *strchr(const char *, int c);
+#ifndef CONFIG_KASAN_HW_TAGS
#define __HAVE_ARCH_STRCMP
extern int strcmp(const char *, const char *);
#define __HAVE_ARCH_STRNCMP
extern int strncmp(const char *, const char *, __kernel_size_t);
+#endif
#define __HAVE_ARCH_STRLEN
extern __kernel_size_t strlen(const char *);
diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c
index 1c9c2f7a1c04..f3851724fe35 100644
--- a/arch/arm64/kernel/acpi.c
+++ b/arch/arm64/kernel/acpi.c
@@ -273,8 +273,7 @@ pgprot_t __acpi_get_mem_attribute(phys_addr_t addr)
return __pgprot(PROT_DEVICE_nGnRnE);
}
-static void __iomem *__acpi_os_ioremap(acpi_physical_address phys,
- acpi_size size, bool memory)
+void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size)
{
efi_memory_desc_t *md, *region = NULL;
pgprot_t prot;
@@ -300,11 +299,9 @@ static void __iomem *__acpi_os_ioremap(acpi_physical_address phys,
* It is fine for AML to remap regions that are not represented in the
* EFI memory map at all, as it only describes normal memory, and MMIO
* regions that require a virtual mapping to make them accessible to
- * the EFI runtime services. Determine the region default
- * attributes by checking the requested memory semantics.
+ * the EFI runtime services.
*/
- prot = memory ? __pgprot(PROT_NORMAL_NC) :
- __pgprot(PROT_DEVICE_nGnRnE);
+ prot = __pgprot(PROT_DEVICE_nGnRnE);
if (region) {
switch (region->type) {
case EFI_LOADER_CODE:
@@ -364,16 +361,6 @@ static void __iomem *__acpi_os_ioremap(acpi_physical_address phys,
return __ioremap(phys, size, prot);
}
-void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size)
-{
- return __acpi_os_ioremap(phys, size, false);
-}
-
-void __iomem *acpi_os_memmap(acpi_physical_address phys, acpi_size size)
-{
- return __acpi_os_ioremap(phys, size, true);
-}
-
/*
* Claim Synchronous External Aborts as a firmware first notification.
*
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index f8a3067d10c6..6ec7036ef7e1 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -1526,9 +1526,13 @@ static bool unmap_kernel_at_el0(const struct arm64_cpu_capabilities *entry,
/*
* For reasons that aren't entirely clear, enabling KPTI on Cavium
* ThunderX leads to apparent I-cache corruption of kernel text, which
- * ends as well as you might imagine. Don't even try.
+ * ends as well as you might imagine. Don't even try. We cannot rely
+ * on the cpus_have_*cap() helpers here to detect the CPU erratum
+ * because cpucap detection order may change. However, since we know
+ * affected CPUs are always in a homogeneous configuration, it is
+ * safe to rely on this_cpu_has_cap() here.
*/
- if (cpus_have_const_cap(ARM64_WORKAROUND_CAVIUM_27456)) {
+ if (this_cpu_has_cap(ARM64_WORKAROUND_CAVIUM_27456)) {
str = "ARM64_WORKAROUND_CAVIUM_27456";
__kpti_forced = -1;
}
diff --git a/arch/arm64/kernel/mte.c b/arch/arm64/kernel/mte.c
index 9d314a3bad3b..e5e801bc5312 100644
--- a/arch/arm64/kernel/mte.c
+++ b/arch/arm64/kernel/mte.c
@@ -142,12 +142,7 @@ void mte_enable_kernel_async(void)
#ifdef CONFIG_KASAN_HW_TAGS
void mte_check_tfsr_el1(void)
{
- u64 tfsr_el1;
-
- if (!system_supports_mte())
- return;
-
- tfsr_el1 = read_sysreg_s(SYS_TFSR_EL1);
+ u64 tfsr_el1 = read_sysreg_s(SYS_TFSR_EL1);
if (unlikely(tfsr_el1 & SYS_TFSR_EL1_TF1)) {
/*
@@ -199,6 +194,9 @@ void mte_thread_init_user(void)
void mte_thread_switch(struct task_struct *next)
{
+ if (!system_supports_mte())
+ return;
+
mte_update_sctlr_user(next);
/*
diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c
index 9fe70b12b34f..c287b9407f28 100644
--- a/arch/arm64/kernel/signal.c
+++ b/arch/arm64/kernel/signal.c
@@ -940,10 +940,8 @@ void do_notify_resume(struct pt_regs *regs, unsigned long thread_flags)
if (thread_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL))
do_signal(regs);
- if (thread_flags & _TIF_NOTIFY_RESUME) {
+ if (thread_flags & _TIF_NOTIFY_RESUME)
tracehook_notify_resume(regs);
- rseq_handle_notify_resume(NULL, regs);
- }
if (thread_flags & _TIF_FOREIGN_FPSTATE)
fpsimd_restore_current_state();
diff --git a/arch/arm64/lib/strcmp.S b/arch/arm64/lib/strcmp.S
index d7bee210a798..83bcad72ec97 100644
--- a/arch/arm64/lib/strcmp.S
+++ b/arch/arm64/lib/strcmp.S
@@ -173,4 +173,4 @@ L(done):
ret
SYM_FUNC_END_PI(strcmp)
-EXPORT_SYMBOL_NOKASAN(strcmp)
+EXPORT_SYMBOL_NOHWKASAN(strcmp)
diff --git a/arch/arm64/lib/strncmp.S b/arch/arm64/lib/strncmp.S
index 48d44f7fddb1..e42bcfcd37e6 100644
--- a/arch/arm64/lib/strncmp.S
+++ b/arch/arm64/lib/strncmp.S
@@ -258,4 +258,4 @@ L(ret0):
ret
SYM_FUNC_END_PI(strncmp)
-EXPORT_SYMBOL_NOKASAN(strncmp)
+EXPORT_SYMBOL_NOHWKASAN(strncmp)
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-07 07:25:50 +0000