diff options
Diffstat (limited to 'arch/x86/kernel/alternative.c')
| -rw-r--r-- | arch/x86/kernel/alternative.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index 526cc5fb7314..6455902e3b44 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -936,6 +936,11 @@ static void do_sync_core(void *info) sync_core(); } +void text_poke_sync(void) +{ + on_each_cpu(do_sync_core, NULL, 1); +} + struct text_poke_loc { s32 rel_addr; /* addr := _stext + rel_addr */ s32 rel32; @@ -1085,7 +1090,7 @@ static void text_poke_bp_batch(struct text_poke_loc *tp, unsigned int nr_entries for (i = 0; i < nr_entries; i++) text_poke(text_poke_addr(&tp[i]), &int3, sizeof(int3)); - on_each_cpu(do_sync_core, NULL, 1); + text_poke_sync(); /* * Second step: update all but the first byte of the patched range. @@ -1107,7 +1112,7 @@ static void text_poke_bp_batch(struct text_poke_loc *tp, unsigned int nr_entries * not necessary and we'd be safe even without it. But * better safe than sorry (plus there's not only Intel). */ - on_each_cpu(do_sync_core, NULL, 1); + text_poke_sync(); } /* @@ -1123,7 +1128,7 @@ static void text_poke_bp_batch(struct text_poke_loc *tp, unsigned int nr_entries } if (do_sync) - on_each_cpu(do_sync_core, NULL, 1); + text_poke_sync(); /* * sync_core() implies an smp_mb() and orders this store against |