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Revert "MIPS: Remove race window in page fault handling"
authorLars Persson <lars.persson@axis.com>
Thu, 26 Feb 2015 13:16:02 +0000 (14:16 +0100)
committerRalf Baechle <ralf@linux-mips.org>
Wed, 25 Mar 2015 12:48:00 +0000 (13:48 +0100)
commit5b9593f3bccb9904f260f9ad7f184e1d2921bd1e
tree06d4c30e6863919a084d467f6c0917e5e8922a7ctree | snapshot (tar.gz zip)
parent9a49899eb88803dcc0ef437f09912f9a7b7a66fdcommit | diff
Revert "MIPS: Remove race window in page fault handling"

Revert commit 2a4a8b1e5d9d ("MIPS: Remove race window in page fault
handling") because it increased the number of flushed dcache pages and
became a performance problem for some workloads.

Signed-off-by: Lars Persson <larper@axis.com>
Cc: linux-mips@linux-mips.org
Cc: paul.burton@imgtec.com
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/9345/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/include/asm/pgtable.h diff | blob | blame | history
arch/mips/mm/cache.c diff | blob | blame | history