Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ac3b6faff961dd52fde71fb199ec3cf68ba35052
Commit: ac3b6faff961dd52fde71fb199ec3cf68ba35052
Parent: 7b3552024380f306a6c50d5105d18d9d4258fa4e
Author: Zachary Amsden <[EMAIL PROTECTED]>
AuthorDate: Tue Feb 13 13:26:21 2007 +0100
Committer: Andi Kleen <[EMAIL PROTECTED]>
CommitDate: Tue Feb 13 13:26:21 2007 +0100
[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 <[EMAIL PROTECTED]>
Signed-off-by: Andi Kleen <[EMAIL PROTECTED]>
CC: Eric Biederman <[EMAIL PROTECTED]>
---
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 b85cfa3..b545bc7 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;
-
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