Messages in this thread Patch in this message | | | From | Masami Hiramatsu <> | Subject | [RFC PATCH -tip 8/9] error-injection: Fix to not enabling preemption in pre_handler | Date | Fri, 9 Mar 2018 21:39:16 +0900 |
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Since kprobes pre_handler doesn't need to recover preemption even if it modifies regs->ip anymore, this fixes to remove the preempt_enable_no_resched() from pre_handler.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> --- kernel/fail_function.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/kernel/fail_function.c b/kernel/fail_function.c index 21b0122cb39c..b1713521f096 100644 --- a/kernel/fail_function.c +++ b/kernel/fail_function.c @@ -176,7 +176,6 @@ static int fei_kprobe_handler(struct kprobe *kp, struct pt_regs *regs) override_function_with_return(regs); /* Kprobe specific fixup */ reset_current_kprobe(); - preempt_enable_no_resched(); return 1; }
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