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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-08 17:34:44 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-08 17:34:44 -0700 |
| commit | da1770238597a4619b7845583881543ca81270cd (patch) | |
| tree | bafb7e7aea479e152b8141d9d6fa80fa000df3a5 /arch/x86/kernel/kprobes | |
| parent | 3431a940bb6c3969240d91314d654ebac7e12b09 (diff) | |
| parent | 46938cc8ab91354e6d751dc0790ddb4244b6703a (diff) | |
| download | linux-da1770238597a4619b7845583881543ca81270cd.tar.gz linux-da1770238597a4619b7845583881543ca81270cd.tar.bz2 linux-da1770238597a4619b7845583881543ca81270cd.zip | |
Merge branch 'x86-paravirt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 paravirt updates from Ingo Molnar:
"A handful of paravirt patching code enhancements to make it more
robust against patching failures, and related cleanups and not so
related cleanups - by Thomas Gleixner and myself"
* 'x86-paravirt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/paravirt: Rename paravirt_patch_site::instrtype to paravirt_patch_site::type
x86/paravirt: Standardize 'insn_buff' variable names
x86/paravirt: Match paravirt patchlet field definition ordering to initialization ordering
x86/paravirt: Replace the paravirt patch asm magic
x86/paravirt: Unify the 32/64 bit paravirt patching code
x86/paravirt: Detect over-sized patching bugs in paravirt_patch_call()
x86/paravirt: Detect over-sized patching bugs in paravirt_patch_insns()
x86/paravirt: Remove bogus extern declarations
Diffstat (limited to 'arch/x86/kernel/kprobes')
| -rw-r--r-- | arch/x86/kernel/kprobes/opt.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/x86/kernel/kprobes/opt.c b/arch/x86/kernel/kprobes/opt.c index 282b4eb67e30..9d4aedece363 100644 --- a/arch/x86/kernel/kprobes/opt.c +++ b/arch/x86/kernel/kprobes/opt.c @@ -422,7 +422,7 @@ err: void arch_optimize_kprobes(struct list_head *oplist) { struct optimized_kprobe *op, *tmp; - u8 insn_buf[RELATIVEJUMP_SIZE]; + u8 insn_buff[RELATIVEJUMP_SIZE]; list_for_each_entry_safe(op, tmp, oplist, list) { s32 rel = (s32)((long)op->optinsn.insn - @@ -434,10 +434,10 @@ void arch_optimize_kprobes(struct list_head *oplist) memcpy(op->optinsn.copied_insn, op->kp.addr + INT3_SIZE, RELATIVE_ADDR_SIZE); - insn_buf[0] = RELATIVEJUMP_OPCODE; - *(s32 *)(&insn_buf[1]) = rel; + insn_buff[0] = RELATIVEJUMP_OPCODE; + *(s32 *)(&insn_buff[1]) = rel; - text_poke_bp(op->kp.addr, insn_buf, RELATIVEJUMP_SIZE, + text_poke_bp(op->kp.addr, insn_buff, RELATIVEJUMP_SIZE, op->optinsn.insn); list_del_init(&op->list); @@ -447,12 +447,12 @@ void arch_optimize_kprobes(struct list_head *oplist) /* Replace a relative jump with a breakpoint (int3). */ void arch_unoptimize_kprobe(struct optimized_kprobe *op) { - u8 insn_buf[RELATIVEJUMP_SIZE]; + u8 insn_buff[RELATIVEJUMP_SIZE]; /* Set int3 to first byte for kprobes */ - insn_buf[0] = BREAKPOINT_INSTRUCTION; - memcpy(insn_buf + 1, op->optinsn.copied_insn, RELATIVE_ADDR_SIZE); - text_poke_bp(op->kp.addr, insn_buf, RELATIVEJUMP_SIZE, + insn_buff[0] = BREAKPOINT_INSTRUCTION; + memcpy(insn_buff + 1, op->optinsn.copied_insn, RELATIVE_ADDR_SIZE); + text_poke_bp(op->kp.addr, insn_buff, RELATIVEJUMP_SIZE, op->optinsn.insn); } |