diff options
| author |   Zachary Amsden <zach@vmware.com> | 2007-02-13 13:26:21 +0100 |
|---|---|---|
| committer |   Andi Kleen <andi@basil.nowhere.org> | 2007-02-13 13:26:21 +0100 |
| commit | ac3b6faff961dd52fde71fb199ec3cf68ba35052 (patch) | |
| tree | 17eda087a7ff0b3a306ae896c0f0a4e2d3e9d94b /arch/i386/kernel/kprobes.c | |
| parent | [PATCH] i386: Profile pc badness (diff) | |
| download | linux-dev-ac3b6faff961dd52fde71fb199ec3cf68ba35052.tar.xz linux-dev-ac3b6faff961dd52fde71fb199ec3cf68ba35052.zip | |
[PATCH] i386: Kprobe rpl fix
Kprobes bugfix for paravirt compatibility - RPL on the CS when inserting
BPs must match running kernel.
Signed-off-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Andi Kleen <ak@suse.de>
CC: Eric Biederman <ebiederm@xmission.com>
Diffstat (limited to 'arch/i386/kernel/kprobes.c')
| -rw-r--r-- | arch/i386/kernel/kprobes.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c index b85cfa3ce1dd..b545bc746fce 100644 --- a/arch/i386/kernel/kprobes.c +++ b/arch/i386/kernel/kprobes.c @@ -408,7 +408,7 @@ fastcall void *__kprobes trampoline_handler(struct pt_regs *regs) spin_lock_irqsave(&kretprobe_lock, flags); head = kretprobe_inst_table_head(current); /* fixup registers */ - regs->xcs = __KERNEL_CS; + regs->xcs = __KERNEL_CS | get_kernel_rpl(); regs->eip = trampoline_address; regs->orig_eax = 0xffffffff; |