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)
committerHelge Deller <deller@gmx.de>
Tue, 28 Jul 2020 16:52:58 +0000 (18:52 +0200)
commit462fb756c7de1ffe5bc6099149136031c2d9c02a
tree3921123b79ed0b656169a87d31a4082acfc5e8f0
parent3d05b8aebc5f10ee3ab129b61100196855dd7249
Revert "parisc: Drop LDCW barrier in CAS code when running UP"

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+
arch/parisc/kernel/syscall.S