From: David S. Miller <davem@davemloft.net>
Date: Wed, 20 Mar 2013 19:09:01 +0000 (-0700)
Subject: sparc64: Kill __ARCH_WANT_UNLOCKED_CTXSW
X-Git-Tag: firefly_0821_release~3680^2~577^2~3
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d6d88bae97d2e1c44ef9e2ae3f22de82fa6e11c5;p=firefly-linux-kernel-4.4.55.git

sparc64: Kill __ARCH_WANT_UNLOCKED_CTXSW

As Peter Z. explained at:

https://lkml.org/lkml/2011/12/12/268

it's not needed at all and I even tested it back then.
This patch just got lost in the shuffle for some reason.

Reported-by: Kirill Tkhai <tkhai@yandex.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/arch/sparc/include/asm/processor_64.h b/arch/sparc/include/asm/processor_64.h
index cce72ce4c334..4c3f7f01c709 100644
--- a/arch/sparc/include/asm/processor_64.h
+++ b/arch/sparc/include/asm/processor_64.h
@@ -18,9 +18,6 @@
 #include <asm/ptrace.h>
 #include <asm/page.h>
 
-/* Don't hold the runqueue lock over context switch */
-#define __ARCH_WANT_UNLOCKED_CTXSW
-
 /* The sparc has no problems with write protection */
 #define wp_works_ok 1
 #define wp_works_ok__is_a_macro /* for versions in ksyms.c */