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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-12-19 18:27:25 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-12-19 18:27:25 +0300 |
| commit | 30d647f5ba9ebefa153ad2bc3f05e3a7c7d90d1c (patch) | |
| tree | 418c535ebc1a0001b7c448e1d7ff97cf79bff8fd /arch/x86/kernel/kprobes/core.c | |
| parent | 66dfc517e8ec530b1d8d4776c05e3f264f38ecb8 (diff) | |
| parent | aeba12b26c79fc35e07e511f692a8907037d95da (diff) | |
| download | linux-30d647f5ba9ebefa153ad2bc3f05e3a7c7d90d1c.tar.xz | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'arch/x86/kernel/kprobes/core.c')
| -rw-r--r-- | arch/x86/kernel/kprobes/core.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c index 01b8d956aa76..66299682b6b7 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" @@ -415,16 +415,10 @@ void *alloc_insn_page(void) return NULL; /* - * 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; } |