]> git.baikalelectronics.ru Git - kernel.git/commit
x86: kprobes bugfix
authorMasami Hiramatsu <mhiramat@redhat.com>
Tue, 18 Dec 2007 17:05:58 +0000 (18:05 +0100)
committerIngo Molnar <mingo@elte.hu>
Tue, 18 Dec 2007 17:05:58 +0000 (18:05 +0100)
commit77284a30a3d52911e62523048d7821cd34575d31
tree4c5183e0b92142bdfb0f5abf2cab58329e997cbc
parentd1b846b3b91e15fded4b206ee78c8bfc3ffa9961
x86: kprobes bugfix

Kprobes for x86-64 may cause a kernel crash if it inserted on "iret"
instruction. "call absolute" is invalid on x86-64, so we don't need
treat it.

 - Change the processing order as same as x86-32.
 - Add "iret"(0xcf) case.
 - Remove next_rip local variable.

Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/kernel/kprobes_64.c