John David Anglin 6541d98d11 parisc: Remove unnecessary barriers from spinlock.h ... commit 3b885ac1dc upstream. Now that mb() is an instruction barrier, it will slow performance if we issue unnecessary barriers. The spinlock defines have a number of unnecessary barriers.  The __ldcw() define is both a hardware and compiler barrier.  The mb() barriers in the routines using __ldcw() serve no purpose. The only barrier needed is the one in arch_spin_unlock().  We need to ensure all accesses are complete prior to releasing the lock. Signed-off-by: John David Anglin <dave.anglin@bell.net> Cc: stable@vger.kernel.org # 4.0+ Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2018-08-24 13:09:22 +02:00
..
boot	parisc: Fix indenting in puts()	2017-12-29 17:53:47 +01:00
configs	net: Remove CONFIG_NETFILTER_DEBUG and _ASSERT() macros.	2017-09-04 13:25:20 +02:00
include	parisc: Remove unnecessary barriers from spinlock.h	2018-08-24 13:09:22 +02:00
kernel	parisc: Remove ordered stores from syscall.S	2018-08-24 13:09:21 +02:00
lib	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
math-emu	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
mm	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
oprofile	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
defpalo.conf	parisc: switch to gzip-compressed vmlinuz kernel	2013-07-09 22:09:20 +02:00
install.sh	parisc: make "make install" not depend on vmlinux	2013-11-07 22:28:06 +01:00
Kconfig	parisc: Enable CONFIG_MLONGCALLS by default	2018-08-15 18:12:46 +02:00
Kconfig.debug	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
Makefile	parisc: Reintroduce option to gzip-compress the kernel	2017-09-22 22:26:41 +02:00
nm