summaryrefslogtreecommitdiff
path: root/arch/arm/mm/fault.c
diff options
context:
space:
mode:
authorRussell King <rmk+kernel@armlinux.org.uk>2019-01-29 14:07:58 +0000
committerRussell King <rmk+kernel@armlinux.org.uk>2019-06-20 22:29:23 +0100
commitbafeb7a0d9213e64a0e09d149b52abeb0c8798b5 (patch)
treed6f42ad7cfe287bc76b578725a0a3794535b8533 /arch/arm/mm/fault.c
parentcd6c84d8f0cdc911df435bb075ba22ce3c605b07 (diff)
ARM: add "8<--- cut here ---" to kernel dumps
Add a "8<--- cut here ---" marker to kernel dumps to help users cut the dump at the right place when emailing list, rather than cutting off the first line which gives the reason for the dump. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'arch/arm/mm/fault.c')
-rw-r--r--arch/arm/mm/fault.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 58f69fa07df9..743a9e0a1fda 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -142,6 +142,7 @@ __do_kernel_fault(struct mm_struct *mm, unsigned long addr, unsigned int fsr,
* No handler, we'll have to terminate things with extreme prejudice.
*/
bust_spinlocks(1);
+ pr_alert("8<--- cut here ---\n");
pr_alert("Unable to handle kernel %s at virtual address %08lx\n",
(addr < PAGE_SIZE) ? "NULL pointer dereference" :
"paging request", addr);
@@ -167,6 +168,7 @@ __do_user_fault(struct task_struct *tsk, unsigned long addr,
#ifdef CONFIG_DEBUG_USER
if (((user_debug & UDBG_SEGV) && (sig == SIGSEGV)) ||
((user_debug & UDBG_BUS) && (sig == SIGBUS))) {
+ pr_err("8<--- cut here ---\n");
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);
@@ -556,6 +558,7 @@ do_DataAbort(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
if (!inf->fn(addr, fsr & ~FSR_LNX_PF, regs))
return;
+ pr_alert("8<--- cut here ---\n");
pr_alert("Unhandled fault: %s (0x%03x) at 0x%08lx\n",
inf->name, fsr, addr);
show_pte(current->mm, addr);