Messages in this thread | | | Date | Mon, 19 Jan 2015 11:04:14 +0800 | From | Wang Nan <> | Subject | Re: [PATCH] kprobes: bugfix: checks kprobes_all_disarmed in unoptimized_kprobe(). |
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Hi Masami Hiramatsu,
I can't find this patch and '[PATCH] kprobes: bugfix: checks kprobes_all_disarmed in unoptimized_kprobe().' in current mainline. How do these patches get there? Should they be merged into Russell King's tree first?
Thank you!
On 2015/1/12 20:52, Masami Hiramatsu wrote: > (2015/01/12 21:09), Wang Nan wrote: >> Original code failed to disarm the probed instruction after >> >> echo 0 > /sys/kernel/debug/kprobes/enabled >> >> if OPTPROBE is enabled. >> >> This patch checks kprobes_all_disarmed in unoptimized_kprobe(). >> > > Looks good :) > > Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> > > Thank you! > >> Signed-off-by: Wang Nan <wangnan0@huawei.com> >> --- >> kernel/kprobes.c | 3 +++ >> 1 file changed, 3 insertions(+) >> >> diff --git a/kernel/kprobes.c b/kernel/kprobes.c >> index 9471710..f16936b 100644 >> --- a/kernel/kprobes.c >> +++ b/kernel/kprobes.c >> @@ -630,6 +630,9 @@ static void unoptimize_kprobe(struct kprobe *p, bool force) >> { >> struct optimized_kprobe *op; >> >> + if (kprobes_all_disarmed) >> + return; >> + >> if (!kprobe_aggrprobe(p) || kprobe_disarmed(p)) >> return; /* This is not an optprobe nor optimized */ >> >> > >
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