Commit 6d021b72 authored by Russell King's avatar Russell King
Browse files

ARM: dump pgd, pmd and pte states on unhandled data abort faults



It can be useful to dump the page table entries when an unhandled data
abort fault occurs.  This can aid debugging of these situations, for
example, a STREX instruction causing an external abort on non-linefetch
fault, as has been reported recently.
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 8bf1268f
......@@ -552,6 +552,7 @@ do_DataAbort(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
pr_alert("Unhandled fault: %s (0x%03x) at 0x%08lx\n",
inf->name, fsr, addr);
show_pte(current->mm, addr);
info.si_signo = inf->sig;
info.si_errno = 0;
......
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