tree 05b40eda97d06673cc1e04a66d2158d7abd5761f
parent 98fb754831e1d139f1151e968bdebb6eefb9b581
author Catalin Marinas <catalin.marinas@arm.com> 1449596355 +0000
committer Catalin Marinas <catalin.marinas@arm.com> 1449848664 +0000

arm64: Improve error reporting on set_pte_at() checks

Currently the BUG_ON() checks do not give enough information about the
PTEs being set. This patch changes BUG_ON to WARN_ONCE and dumps the
values of the old and new PTEs. In addition, the checks are only made if
the new PTE entry is valid.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reported-by: Ming Lei <tom.leiming@gmail.com>
Cc: Will Deacon <will.deacon@arm.com>