Messages in this thread Patch in this message | | | Date | Mon, 5 Feb 2007 19:52:55 -0800 | Subject | [PATCH 4/11] Kprobe rpl fix | From | Zachary Amsden <> |
| |
Kprobes bugfix for paravirt compatibility - RPL on the CS when inserting BPs must match running kernel.
Signed-off-by: Zachary Amsden <zach@vmware.com> CC: Eric Biederman <ebiederm@xmission.com>
diff -r fad1c2108c13 arch/i386/kernel/kprobes.c --- a/arch/i386/kernel/kprobes.c Fri Feb 02 16:22:37 2007 -0800 +++ b/arch/i386/kernel/kprobes.c Fri Feb 02 16:28:48 2007 -0800 @@ -408,7 +408,7 @@ fastcall void *__kprobes trampoline_hand 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; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |