diff options
| author | Masami Hiramatsu (Google) <[email protected]> | 2022-12-02 11:18:42 +0900 |
|---|---|---|
| committer | Will Deacon <[email protected]> | 2022-12-05 14:20:08 +0000 |
| commit | 30a421552373d2becb378282408a399702a0f00a (patch) | |
| tree | 09d12e8d7fdf6736c98470993c4373c5fd11a483 | |
| parent | 0fbcd8abf3375052cc7627cc53aba6f2eb189fbb (diff) | |
arm64: kprobes: Let arch do_page_fault() fix up page fault in user handler
Since arm64's do_page_fault() can handle the page fault correctly
than kprobe_fault_handler() according to the context, let it handle
the page fault instead of simply call fixup_exception() in the
kprobe_fault_handler().
Signed-off-by: Masami Hiramatsu (Google) <[email protected]>
Acked-by: Mark Rutland <[email protected]>
Link: https://lore.kernel.org/r/166994752269.439920.4801339965959400456.stgit@devnote3
Signed-off-by: Will Deacon <[email protected]>
| -rw-r--r-- | arch/arm64/kernel/probes/kprobes.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c index c9e4d0720285..d2ae37f89774 100644 --- a/arch/arm64/kernel/probes/kprobes.c +++ b/arch/arm64/kernel/probes/kprobes.c @@ -294,14 +294,6 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr) } break; - case KPROBE_HIT_ACTIVE: - case KPROBE_HIT_SSDONE: - /* - * In case the user-specified fault handler returned - * zero, try to fix up. - */ - if (fixup_exception(regs)) - return 1; } return 0; } |