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Commit f5274c2d authored by Javi Merino's avatar Javi Merino Committed by Russell King
Browse files

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: default avatarJavi Merino <javi.merino@arm.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent e0b823e9

arch/arm/mm/fault.c

+2 −1
Original line number Diff line number Diff line
@@ -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);