diff options
author | Tony Lindgren <tony@atomide.com> | 2011-11-23 14:46:10 -0800 |
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committer | Tony Lindgren <tony@atomide.com> | 2011-11-23 14:46:10 -0800 |
commit | 52f3a41e0aca5625fbd118ed57a4debb25817e99 (patch) | |
tree | 86730c862fc97eef5f1eb1a81bf74bf2a8a36754 /arch/x86/kernel/jump_label.c | |
parent | e9b7086b80c4d9e354f4edc9e280ae85a60df408 (diff) | |
parent | 8770b07c2dff3cec2c751b289ee690137c88ea54 (diff) |
Merge branch 'fixes-v3.2-rc2' into fixes
Diffstat (limited to 'arch/x86/kernel/jump_label.c')
-rw-r--r-- | arch/x86/kernel/jump_label.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/arch/x86/kernel/jump_label.c b/arch/x86/kernel/jump_label.c index cacdd46d184..ea9d5f2f13e 100644 --- a/arch/x86/kernel/jump_label.c +++ b/arch/x86/kernel/jump_label.c @@ -24,8 +24,9 @@ union jump_code_union { } __attribute__((packed)); }; -void arch_jump_label_transform(struct jump_entry *entry, - enum jump_label_type type) +static void __jump_label_transform(struct jump_entry *entry, + enum jump_label_type type, + void *(*poker)(void *, const void *, size_t)) { union jump_code_union code; @@ -35,17 +36,24 @@ void arch_jump_label_transform(struct jump_entry *entry, (entry->code + JUMP_LABEL_NOP_SIZE); } else memcpy(&code, ideal_nops[NOP_ATOMIC5], JUMP_LABEL_NOP_SIZE); + + (*poker)((void *)entry->code, &code, JUMP_LABEL_NOP_SIZE); +} + +void arch_jump_label_transform(struct jump_entry *entry, + enum jump_label_type type) +{ get_online_cpus(); mutex_lock(&text_mutex); - text_poke_smp((void *)entry->code, &code, JUMP_LABEL_NOP_SIZE); + __jump_label_transform(entry, type, text_poke_smp); mutex_unlock(&text_mutex); put_online_cpus(); } -void __init_or_module arch_jump_label_text_poke_early(jump_label_t addr) +void arch_jump_label_transform_static(struct jump_entry *entry, + enum jump_label_type type) { - text_poke_early((void *)addr, ideal_nops[NOP_ATOMIC5], - JUMP_LABEL_NOP_SIZE); + __jump_label_transform(entry, type, text_poke_early); } #endif |