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| author | Catalin Marinas <catalin.marinas@arm.com> | 2013-05-21 13:16:56 +0200 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2013-05-24 18:31:04 +0200 |
| commit | 953dbbed9ee310100bc841cdea8f992d192531c6 (patch) | |
| tree | 057f5909fd8f0153a43087d57fe616ef57734398 /arch/arm64/mm | |
| parent | arm64: kernel: compiling issue, need 'EXPORT_SYMBOL(clear_page)' (diff) | |
| download | linux-953dbbed9ee310100bc841cdea8f992d192531c6.tar.xz linux-953dbbed9ee310100bc841cdea8f992d192531c6.zip | |
arm64: Do not report user faults for handled signals
Currently user faults (page, undefined instruction) are always reported
even though the user may have a signal handler for them. This patch adds
unhandled_signal() check together with printk_ratelimit() for these
cases.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/mm')
| -rw-r--r-- | arch/arm64/mm/fault.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index 98af6e760cce..1426468b77f3 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -113,7 +113,8 @@ static void __do_user_fault(struct task_struct *tsk, unsigned long addr, { struct siginfo si; - if (show_unhandled_signals) { + if (show_unhandled_signals && unhandled_signal(tsk, sig) && + printk_ratelimit()) { pr_info("%s[%d]: unhandled %s (%d) at 0x%08lx, esr 0x%03x\n", tsk->comm, task_pid_nr(tsk), fault_name(esr), sig, addr, esr); |