diff options
Diffstat (limited to 'arch/arm64/kernel')
| -rw-r--r-- | arch/arm64/kernel/debug-monitors.c | 2 | ||||
| -rw-r--r-- | arch/arm64/kernel/ftrace.c | 3 | ||||
| -rw-r--r-- | arch/arm64/kernel/setup.c | 4 | ||||
| -rw-r--r-- | arch/arm64/kernel/vdso32/Makefile | 8 |
4 files changed, 15 insertions, 2 deletions
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/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/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__ |