diff options
Diffstat (limited to 'arch/x86/kernel/kprobes/core.c')
| -rw-r--r-- | arch/x86/kernel/kprobes/core.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c index eb8bc82846b9..e7b7ca64acdf 100644 --- a/arch/x86/kernel/kprobes/core.c +++ b/arch/x86/kernel/kprobes/core.c @@ -43,6 +43,7 @@ #include <linux/objtool.h> #include <linux/vmalloc.h> #include <linux/pgtable.h> +#include <linux/set_memory.h> #include <asm/text-patching.h> #include <asm/cacheflush.h> @@ -51,7 +52,6 @@ #include <asm/alternative.h> #include <asm/insn.h> #include <asm/debugreg.h> -#include <asm/set_memory.h> #include <asm/ibt.h> #include "common.h" @@ -415,17 +415,12 @@ void *alloc_insn_page(void) return NULL; set_vm_flush_reset_perms(page); - /* - * First make the page read-only, and only then make it executable to - * prevent it from being W+X in between. - */ - set_memory_ro((unsigned long)page, 1); /* * TODO: Once additional kernel code protection mechanisms are set, ensure * that the page was not maliciously altered and it is still zeroed. */ - set_memory_x((unsigned long)page, 1); + set_memory_rox((unsigned long)page, 1); return page; } |