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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:17:52 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:17:52 +0000 |
commit | 3afb00d3f86d3d924f88b56fa8285d4e9db85852 (patch) | |
tree | 95a985d3019522cea546b7d8df621369bc44fc6c /arch/x86/kernel/ftrace.c | |
parent | Adding debian version 6.9.12-1. (diff) | |
download | linux-3afb00d3f86d3d924f88b56fa8285d4e9db85852.tar.xz linux-3afb00d3f86d3d924f88b56fa8285d4e9db85852.zip |
Merging upstream version 6.10.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/kernel/ftrace.c')
-rw-r--r-- | arch/x86/kernel/ftrace.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 70139d9d2e..8da0e66ca2 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -25,6 +25,7 @@ #include <linux/memory.h> #include <linux/vmalloc.h> #include <linux/set_memory.h> +#include <linux/execmem.h> #include <trace/syscall.h> @@ -260,25 +261,14 @@ void arch_ftrace_update_code(int command) /* Currently only x86_64 supports dynamic trampolines */ #ifdef CONFIG_X86_64 -#ifdef CONFIG_MODULES -#include <linux/moduleloader.h> -/* Module allocation simplifies allocating memory for code */ static inline void *alloc_tramp(unsigned long size) { - return module_alloc(size); + return execmem_alloc(EXECMEM_FTRACE, size); } static inline void tramp_free(void *tramp) { - module_memfree(tramp); + execmem_free(tramp); } -#else -/* Trampolines can only be created if modules are supported */ -static inline void *alloc_tramp(unsigned long size) -{ - return NULL; -} -static inline void tramp_free(void *tramp) { } -#endif /* Defined as markers to the end of the ftrace default trampolines */ extern void ftrace_regs_caller_end(void); |