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| author | Kukjin Kim <kgene.kim@samsung.com> | 2012-11-20 18:19:10 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2012-11-20 18:19:10 +0900 |
| commit | 840ed42942cc1ebbda2ed55f4019673b537fc5de (patch) | |
| tree | 415644488e3966837eeb5061d96d4ca7db862318 /arch/x86/kernel/uprobes.c | |
| parent | 0dca30003bc752b2fc15906e562ef4e4925725fd (diff) | |
| parent | 0a9d5ac307aefbb2c772537d3fe7f75046d563ac (diff) | |
| download | op-kernel-dev-840ed42942cc1ebbda2ed55f4019673b537fc5de.zip op-kernel-dev-840ed42942cc1ebbda2ed55f4019673b537fc5de.tar.gz | |
Merge branch 'next/hdmi-samsung' into next/devel-samsung
Diffstat (limited to 'arch/x86/kernel/uprobes.c')
| -rw-r--r-- | arch/x86/kernel/uprobes.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c index 9538f00..aafa555 100644 --- a/arch/x86/kernel/uprobes.c +++ b/arch/x86/kernel/uprobes.c @@ -651,31 +651,19 @@ void arch_uprobe_abort_xol(struct arch_uprobe *auprobe, struct pt_regs *regs) /* * Skip these instructions as per the currently known x86 ISA. - * 0x66* { 0x90 | 0x0f 0x1f | 0x0f 0x19 | 0x87 0xc0 } + * rep=0x66*; nop=0x90 */ static bool __skip_sstep(struct arch_uprobe *auprobe, struct pt_regs *regs) { int i; for (i = 0; i < MAX_UINSN_BYTES; i++) { - if ((auprobe->insn[i] == 0x66)) + if (auprobe->insn[i] == 0x66) continue; if (auprobe->insn[i] == 0x90) return true; - if (i == (MAX_UINSN_BYTES - 1)) - break; - - if ((auprobe->insn[i] == 0x0f) && (auprobe->insn[i+1] == 0x1f)) - return true; - - if ((auprobe->insn[i] == 0x0f) && (auprobe->insn[i+1] == 0x19)) - return true; - - if ((auprobe->insn[i] == 0x87) && (auprobe->insn[i+1] == 0xc0)) - return true; - break; } return false; |
