linux-kernel - [PATCH] MIPS: Remove a temporary hack for debugging cache flushes in SMTC configuration

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Date:	Fri, 5 Sep 2014 19:27:38 -0700
From:	Leonid Yegoshin <Leonid.Yegoshin@...tec.com>
To:	<linux-mips@...ux-mips.org>, <aaro.koskinen@....fi>,
	<david.daney@...ium.com>, <linux-kernel@...r.kernel.org>,
	<ralf@...ux-mips.org>, <markos.chandras@...tec.com>,
	<dengcheng.zhu@...tec.com>, <chenhc@...ote.com>,
	<akpm@...ux-foundation.org>
Subject: [PATCH] MIPS: Remove a temporary hack for debugging cache flushes in
	SMTC configuration

This patch removes a temporary hack for debugging SMTC configuration from

	commit 41c594ab65fc89573af296d192aa5235d09717ab
	Author: Ralf Baechle <ralf@...ux-mips.org>
	Date:   Wed Apr 5 09:45:45 2006 +0100

which is dropped now. Some performance degradation for multi-VPE systems
is removed.

Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@...tec.com>
---
 arch/mips/include/asm/r4kcache.h |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/arch/mips/include/asm/r4kcache.h b/arch/mips/include/asm/r4kcache.h
index 4520adc..b2ae1b1 100644
--- a/arch/mips/include/asm/r4kcache.h
+++ b/arch/mips/include/asm/r4kcache.h
@@ -50,7 +50,6 @@ extern void (*r4k_blast_icache)(void);
 /*
  * Optionally force single-threaded execution during I-cache flushes.
  */
-#define PROTECT_CACHE_FLUSHES 1
 
 #ifdef PROTECT_CACHE_FLUSHES
 

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