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| author | Javi Merino <javi.merino@arm.com> | 2012-02-06 15:45:36 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-03-24 09:38:53 +0000 |
| commit | f5274c2d0d8d91076af8605187d762dfa0b92825 (patch) | |
| tree | 96b4c6292a9aec6d623bf577c2e10cd16b2ea4b9 /arch/arm/mm | |
| parent | e0b823e9a543527dbb0f806252ee03a60f2aefbc (diff) | |
| download | linux-f5274c2d0d8d91076af8605187d762dfa0b92825.tar.gz linux-f5274c2d0d8d91076af8605187d762dfa0b92825.tar.bz2 linux-f5274c2d0d8d91076af8605187d762dfa0b92825.zip | |
ARM: 7319/1: Print debug info for SIGBUS in user faults
Print debug information on user faults for SIGBUS if user_debug = 16
in the kernel command line.
Reference: <1327333344-26340-1-git-send-email-javi.merino@arm.com>
Signed-off-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/fault.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index bb7eac381a8e..40c43a94ba72 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -164,7 +164,8 @@ __do_user_fault(struct task_struct *tsk, unsigned long addr, struct siginfo si; #ifdef CONFIG_DEBUG_USER - if (user_debug & UDBG_SEGV) { + if (((user_debug & UDBG_SEGV) && (sig == SIGSEGV)) || + ((user_debug & UDBG_BUS) && (sig == SIGBUS))) { printk(KERN_DEBUG "%s: unhandled page fault (%d) at 0x%08lx, code 0x%03x\n", tsk->comm, sig, addr, fsr); show_pte(tsk->mm, addr); |