diff options
| author |   Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> | 2022-05-16 12:44:22 +0530 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2022-05-22 15:58:29 +1000 |
| commit | 84ade0a6655bee803d176525ef457175cbf4df22 (patch) | |
| tree | 466a0def1d711501fd547700a36abe192045678e /arch/powerpc/include/asm/ftrace.h | |
| parent | powerpc/irq: Remove arch_local_irq_restore() for !CONFIG_CC_HAS_ASM_GOTO (diff) | |
| download | linux-dev-84ade0a6655bee803d176525ef457175cbf4df22.tar.xz linux-dev-84ade0a6655bee803d176525ef457175cbf4df22.zip | |
powerpc/ftrace: Remove ftrace init tramp once kernel init is complete
Stop using the ftrace trampoline for init section once kernel init is
complete.
Fixes: 67361cf8071286 ("powerpc/ftrace: Handle large kernel configs")
Cc: stable@vger.kernel.org # v4.20+
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220516071422.463738-1-naveen.n.rao@linux.vnet.ibm.com
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/include/asm/ftrace.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/ftrace.h b/arch/powerpc/include/asm/ftrace.h index b56166b7ea68..3cee7115441b 100644 --- a/arch/powerpc/include/asm/ftrace.h +++ b/arch/powerpc/include/asm/ftrace.h @@ -86,7 +86,7 @@ static inline bool arch_syscall_match_sym_name(const char *sym, const char *name #endif /* CONFIG_PPC64_ELF_ABI_V1 */ #endif /* CONFIG_FTRACE_SYSCALLS */ -#ifdef CONFIG_PPC64 +#if defined(CONFIG_PPC64) && defined(CONFIG_FUNCTION_TRACER) #include <asm/paca.h> static inline void this_cpu_disable_ftrace(void) @@ -110,11 +110,13 @@ static inline u8 this_cpu_get_ftrace_enabled(void) return get_paca()->ftrace_enabled; } +void ftrace_free_init_tramp(void); #else /* CONFIG_PPC64 */ static inline void this_cpu_disable_ftrace(void) { } static inline void this_cpu_enable_ftrace(void) { } static inline void this_cpu_set_ftrace_enabled(u8 ftrace_enabled) { } static inline u8 this_cpu_get_ftrace_enabled(void) { return 1; } +static inline void ftrace_free_init_tramp(void) { } #endif /* CONFIG_PPC64 */ #endif /* !__ASSEMBLY__ */ |