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Diffstat (limited to 'arch/arm64/mm/fault.c')
-rw-r--r--arch/arm64/mm/fault.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index 1909a69983ca..afadae6682ed 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -36,6 +36,8 @@
#include <asm/pgtable.h>
#include <asm/tlbflush.h>
+static const char *fault_name(unsigned int esr);
+
/*
* Dump out the page tables associated with 'addr' in mm 'mm'.
*/
@@ -112,8 +114,9 @@ static void __do_user_fault(struct task_struct *tsk, unsigned long addr,
struct siginfo si;
if (show_unhandled_signals) {
- pr_info("%s[%d]: unhandled page fault (%d) at 0x%08lx, code 0x%03x\n",
- tsk->comm, task_pid_nr(tsk), sig, addr, esr);
+ 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);
show_pte(tsk->mm, addr);
show_regs(regs);
}
@@ -450,6 +453,12 @@ static struct fault_info {
{ do_bad, SIGBUS, 0, "unknown 63" },
};
+static const char *fault_name(unsigned int esr)
+{
+ const struct fault_info *inf = fault_info + (esr & 63);
+ return inf->name;
+}
+
/*
* Dispatch a data abort to the relevant handler.
*/