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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:52 +0000
commit3afb00d3f86d3d924f88b56fa8285d4e9db85852 (patch)
tree95a985d3019522cea546b7d8df621369bc44fc6c /arch/x86/kernel/ftrace.c
parentAdding debian version 6.9.12-1. (diff)
downloadlinux-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.c16
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);