[PATCH] ARM: fault: Add "cut here" line for prefetch aborts

[Kees Cook]

The common pattern in arm is to emit a "8<--- cut here ---" line for
faults, but it was missing for do_PrefetchAbort(). Add it.

Cc: "Russell King (Oracle)" <rmk+ker...@armlinux.org.uk>
Cc: Ard Biesheuvel <a...@kernel.org>
Cc: Wang Kefeng <wangkefeng.w...@huawei.com>
Cc: Ben Hutchings <b...@decadent.org.uk>
Cc: linux-arm-ker...@lists.infradead.org
Signed-off-by: Kees Cook <keesc...@chromium.org>
---
 arch/arm/mm/fault.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index e96fb40b9cc3..e804432e905e 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -586,6 +586,7 @@ do_PrefetchAbort(unsigned long addr, unsigned int ifsr, 
struct pt_regs *regs)
        if (!inf->fn(addr, ifsr | FSR_LNX_PF, regs))
                return;
 
+       pr_alert("8<--- cut here ---\n");
        pr_alert("Unhandled prefetch abort: %s (0x%03x) at 0x%08lx\n",
                inf->name, ifsr, addr);
 
-- 
2.34.1