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-rw-r--r--arch/arm64/kernel/acpi.c2
-rw-r--r--arch/arm64/kernel/debug-monitors.c2
-rw-r--r--arch/arm64/kernel/ftrace.c3
-rw-r--r--arch/arm64/kernel/head.S2
-rw-r--r--arch/arm64/kernel/hibernate.c5
-rw-r--r--arch/arm64/kernel/kaslr.c2
-rw-r--r--arch/arm64/kernel/pci.c4
-rw-r--r--arch/arm64/kernel/process.c2
-rw-r--r--arch/arm64/kernel/ptrace.c1
-rw-r--r--arch/arm64/kernel/setup.c4
-rw-r--r--arch/arm64/kernel/smp.c1
-rw-r--r--arch/arm64/kernel/suspend.c2
-rw-r--r--arch/arm64/kernel/traps.c21
-rw-r--r--arch/arm64/kernel/vdso.c8
-rw-r--r--arch/arm64/kernel/vdso32/Makefile8
-rw-r--r--arch/arm64/kernel/vmlinux.lds.S1
16 files changed, 39 insertions, 29 deletions
diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c
index 46ec402e97ed..a7586a4db142 100644
--- a/arch/arm64/kernel/acpi.c
+++ b/arch/arm64/kernel/acpi.c
@@ -24,12 +24,12 @@
#include <linux/of_fdt.h>
#include <linux/smp.h>
#include <linux/serial_core.h>
+#include <linux/pgtable.h>
#include <acpi/ghes.h>
#include <asm/cputype.h>
#include <asm/cpu_ops.h>
#include <asm/daifflags.h>
-#include <asm/pgtable.h>
#include <asm/smp_plat.h>
int acpi_noirq = 1; /* skip ACPI IRQ initialization */
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index 15e80c876d46..5df49366e9ab 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -130,7 +130,7 @@ static int clear_os_lock(unsigned int cpu)
return 0;
}
-static int debug_monitors_init(void)
+static int __init debug_monitors_init(void)
{
return cpuhp_setup_state(CPUHP_AP_ARM64_DEBUG_MONITORS_STARTING,
"arm64/debug_monitors:starting",
diff --git a/arch/arm64/kernel/ftrace.c b/arch/arm64/kernel/ftrace.c
index 8618faa82e6d..86a5cf9bc19a 100644
--- a/arch/arm64/kernel/ftrace.c
+++ b/arch/arm64/kernel/ftrace.c
@@ -69,7 +69,8 @@ static struct plt_entry *get_ftrace_plt(struct module *mod, unsigned long addr)
if (addr == FTRACE_ADDR)
return &plt[FTRACE_PLT_IDX];
- if (addr == FTRACE_REGS_ADDR && IS_ENABLED(CONFIG_FTRACE_WITH_REGS))
+ if (addr == FTRACE_REGS_ADDR &&
+ IS_ENABLED(CONFIG_DYNAMIC_FTRACE_WITH_REGS))
return &plt[FTRACE_REGS_PLT_IDX];
#endif
return NULL;
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index 632702146813..037421c66b14 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -12,6 +12,7 @@
#include <linux/linkage.h>
#include <linux/init.h>
#include <linux/irqchip/arm-gic-v3.h>
+#include <linux/pgtable.h>
#include <asm/asm_pointer_auth.h>
#include <asm/assembler.h>
@@ -26,7 +27,6 @@
#include <asm/kvm_arm.h>
#include <asm/memory.h>
#include <asm/pgtable-hwdef.h>
-#include <asm/pgtable.h>
#include <asm/page.h>
#include <asm/scs.h>
#include <asm/smp.h>
diff --git a/arch/arm64/kernel/hibernate.c b/arch/arm64/kernel/hibernate.c
index a8a4b55f3a09..68e14152d6e9 100644
--- a/arch/arm64/kernel/hibernate.c
+++ b/arch/arm64/kernel/hibernate.c
@@ -32,7 +32,6 @@
#include <asm/memory.h>
#include <asm/mmu_context.h>
#include <asm/pgalloc.h>
-#include <asm/pgtable.h>
#include <asm/pgtable-hwdef.h>
#include <asm/sections.h>
#include <asm/smp.h>
@@ -189,7 +188,7 @@ static int trans_pgd_map_page(pgd_t *trans_pgd, void *page,
pmd_t *pmdp;
pte_t *ptep;
- pgdp = pgd_offset_raw(trans_pgd, dst_addr);
+ pgdp = pgd_offset_pgd(trans_pgd, dst_addr);
if (pgd_none(READ_ONCE(*pgdp))) {
pudp = (void *)get_safe_page(GFP_ATOMIC);
if (!pudp)
@@ -491,7 +490,7 @@ static int copy_page_tables(pgd_t *dst_pgdp, unsigned long start,
unsigned long addr = start;
pgd_t *src_pgdp = pgd_offset_k(start);
- dst_pgdp = pgd_offset_raw(dst_pgdp, start);
+ dst_pgdp = pgd_offset_pgd(dst_pgdp, start);
do {
next = pgd_addr_end(addr, end);
if (pgd_none(READ_ONCE(*src_pgdp)))
diff --git a/arch/arm64/kernel/kaslr.c b/arch/arm64/kernel/kaslr.c
index 91a83104c6e8..07c4c8cc4a67 100644
--- a/arch/arm64/kernel/kaslr.c
+++ b/arch/arm64/kernel/kaslr.c
@@ -10,6 +10,7 @@
#include <linux/mm_types.h>
#include <linux/sched.h>
#include <linux/types.h>
+#include <linux/pgtable.h>
#include <asm/archrandom.h>
#include <asm/cacheflush.h>
@@ -17,7 +18,6 @@
#include <asm/kernel-pgtable.h>
#include <asm/memory.h>
#include <asm/mmu.h>
-#include <asm/pgtable.h>
#include <asm/sections.h>
enum kaslr_status {
diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c
index 570988c7a7ff..1006ed2d7c60 100644
--- a/arch/arm64/kernel/pci.c
+++ b/arch/arm64/kernel/pci.c
@@ -117,7 +117,7 @@ pci_acpi_setup_ecam_mapping(struct acpi_pci_root *root)
struct device *dev = &root->device->dev;
struct resource *bus_res = &root->secondary;
u16 seg = root->segment;
- struct pci_ecam_ops *ecam_ops;
+ const struct pci_ecam_ops *ecam_ops;
struct resource cfgres;
struct acpi_device *adev;
struct pci_config_window *cfg;
@@ -185,7 +185,7 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
root_ops->release_info = pci_acpi_generic_release_info;
root_ops->prepare_resources = pci_acpi_root_prepare_resources;
- root_ops->pci_ops = &ri->cfg->ops->pci_ops;
+ root_ops->pci_ops = (struct pci_ops *)&ri->cfg->ops->pci_ops;
bus = acpi_pci_root_create(root, root_ops, &ri->common, ri->cfg);
if (!bus)
return NULL;
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index eade7807e819..6089638c7d43 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -306,7 +306,7 @@ void __show_regs(struct pt_regs *regs)
void show_regs(struct pt_regs * regs)
{
__show_regs(regs);
- dump_backtrace(regs, NULL);
+ dump_backtrace(regs, NULL, KERN_DEFAULT);
}
static void tls_thread_flush(void)
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index 76790a5f2a0d..68b7f34a08f5 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -34,7 +34,6 @@
#include <asm/cpufeature.h>
#include <asm/debug-monitors.h>
#include <asm/fpsimd.h>
-#include <asm/pgtable.h>
#include <asm/pointer_auth.h>
#include <asm/stacktrace.h>
#include <asm/syscall.h>
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 3fd2c11c09fc..93b3844cf442 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -319,6 +319,10 @@ void __init setup_arch(char **cmdline_p)
xen_early_init();
efi_init();
+
+ if (!efi_enabled(EFI_BOOT) && ((u64)_text % MIN_KIMG_ALIGN) != 0)
+ pr_warn(FW_BUG "Kernel image misaligned at boot, please fix your bootloader!");
+
arm64_memblock_init();
paging_init();
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 4b6f4999d06a..e43a8ff19f0f 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -43,7 +43,6 @@
#include <asm/kvm_mmu.h>
#include <asm/mmu_context.h>
#include <asm/numa.h>
-#include <asm/pgtable.h>
#include <asm/pgalloc.h>
#include <asm/processor.h>
#include <asm/smp_plat.h>
diff --git a/arch/arm64/kernel/suspend.c b/arch/arm64/kernel/suspend.c
index 9405d1b7f4b0..c1dee9066ff9 100644
--- a/arch/arm64/kernel/suspend.c
+++ b/arch/arm64/kernel/suspend.c
@@ -3,13 +3,13 @@
#include <linux/percpu.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
+#include <linux/pgtable.h>
#include <asm/alternative.h>
#include <asm/cacheflush.h>
#include <asm/cpufeature.h>
#include <asm/daifflags.h>
#include <asm/debug-monitors.h>
#include <asm/exec.h>
-#include <asm/pgtable.h>
#include <asm/memory.h>
#include <asm/mmu_context.h>
#include <asm/smp_plat.h>
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
index d332590f5978..50cc30acf106 100644
--- a/arch/arm64/kernel/traps.c
+++ b/arch/arm64/kernel/traps.c
@@ -53,9 +53,9 @@ static const char *handler[]= {
int show_unhandled_signals = 0;
-static void dump_backtrace_entry(unsigned long where)
+static void dump_backtrace_entry(unsigned long where, const char *loglvl)
{
- printk(" %pS\n", (void *)where);
+ printk("%s %pS\n", loglvl, (void *)where);
}
static void dump_kernel_instr(const char *lvl, struct pt_regs *regs)
@@ -83,7 +83,8 @@ static void dump_kernel_instr(const char *lvl, struct pt_regs *regs)
printk("%sCode: %s\n", lvl, str);
}
-void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk)
+void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk,
+ const char *loglvl)
{
struct stackframe frame;
int skip = 0;
@@ -115,11 +116,11 @@ void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk)
thread_saved_pc(tsk));
}
- printk("Call trace:\n");
+ printk("%sCall trace:\n", loglvl);
do {
/* skip until specified stack frame */
if (!skip) {
- dump_backtrace_entry(frame.pc);
+ dump_backtrace_entry(frame.pc, loglvl);
} else if (frame.fp == regs->regs[29]) {
skip = 0;
/*
@@ -129,16 +130,16 @@ void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk)
* at which an exception has taken place, use regs->pc
* instead.
*/
- dump_backtrace_entry(regs->pc);
+ dump_backtrace_entry(regs->pc, loglvl);
}
} while (!unwind_frame(tsk, &frame));
put_task_stack(tsk);
}
-void show_stack(struct task_struct *tsk, unsigned long *sp)
+void show_stack(struct task_struct *tsk, unsigned long *sp, const char *loglvl)
{
- dump_backtrace(NULL, tsk);
+ dump_backtrace(NULL, tsk, loglvl);
barrier();
}
@@ -447,12 +448,12 @@ void arm64_notify_segfault(unsigned long addr)
{
int code;
- down_read(&current->mm->mmap_sem);
+ mmap_read_lock(current->mm);
if (find_vma(current->mm, addr) == NULL)
code = SEGV_MAPERR;
else
code = SEGV_ACCERR;
- up_read(&current->mm->mmap_sem);
+ mmap_read_unlock(current->mm);
force_signal_inject(SIGSEGV, code, addr);
}
diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c
index d51a898fd60f..4e016574bd91 100644
--- a/arch/arm64/kernel/vdso.c
+++ b/arch/arm64/kernel/vdso.c
@@ -340,7 +340,7 @@ int aarch32_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
struct mm_struct *mm = current->mm;
int ret;
- if (down_write_killable(&mm->mmap_sem))
+ if (mmap_write_lock_killable(mm))
return -EINTR;
ret = aarch32_kuser_helpers_setup(mm);
@@ -357,7 +357,7 @@ int aarch32_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
#endif /* CONFIG_COMPAT_VDSO */
out:
- up_write(&mm->mmap_sem);
+ mmap_write_unlock(mm);
return ret;
}
#endif /* CONFIG_COMPAT */
@@ -398,7 +398,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm,
struct mm_struct *mm = current->mm;
int ret;
- if (down_write_killable(&mm->mmap_sem))
+ if (mmap_write_lock_killable(mm))
return -EINTR;
ret = __setup_additional_pages(VDSO_ABI_AA64,
@@ -406,7 +406,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm,
bprm,
uses_interp);
- up_write(&mm->mmap_sem);
+ mmap_write_unlock(mm);
return ret;
}
diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile
index 3964738ebbde..7ea1e827e505 100644
--- a/arch/arm64/kernel/vdso32/Makefile
+++ b/arch/arm64/kernel/vdso32/Makefile
@@ -105,6 +105,14 @@ VDSO_CFLAGS += -D__uint128_t='void*'
VDSO_CFLAGS += $(call cc32-disable-warning,shift-count-overflow)
VDSO_CFLAGS += -Wno-int-to-pointer-cast
+# Compile as THUMB2 or ARM. Unwinding via frame-pointers in THUMB2 is
+# unreliable.
+ifeq ($(CONFIG_THUMB2_COMPAT_VDSO), y)
+VDSO_CFLAGS += -mthumb -fomit-frame-pointer
+else
+VDSO_CFLAGS += -marm
+endif
+
VDSO_AFLAGS := $(VDSO_CAFLAGS)
VDSO_AFLAGS += -D__ASSEMBLY__
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index 3be632177631..6827da7f3aa5 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -13,7 +13,6 @@
#include <asm/thread_info.h>
#include <asm/memory.h>
#include <asm/page.h>
-#include <asm/pgtable.h>
#include "image.h"