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Revert "parisc: Drop LDCW barrier in CAS code when running UP"
authorHelge Deller <deller@gmx.de>
Tue, 28 Jul 2020 16:52:58 +0000 (18:52 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 19 Aug 2020 06:24:17 +0000 (08:24 +0200)
commit1da1661a1a268aa57a5d33ce473052db1fce84f0
tree66a49f013f4390cdf16e596131589c50cb88dc38tree
parent37771e52b0c4173a8d559bd612ca66eabccdd248commit | diff
Revert "parisc: Drop LDCW barrier in CAS code when running UP"

commit 462fb756c7de1ffe5bc6099149136031c2d9c02a upstream.

This reverts commit e6eb5fe9123f05dcbf339ae5c0b6d32fcc0685d5.
We need to optimize it differently. A follow up patch will correct it.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org> # v5.2+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/parisc/kernel/syscall.S diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)