linux-kernel - [PATCH v11 14/27] selftests/powerpc: Use the new SPRN_DSCR

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Date:	Sun, 17 Jul 2016 09:59:47 +0800
From:	wei.guo.simon@...il.com
To:	Michael Ellerman <mpe@...erman.id.au>
Cc:	Anshuman Khandual <khandual@...ux.vnet.ibm.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Shuah Khan <shuahkh@....samsung.com>,
	Anton Blanchard <anton@...ba.org>,
	Cyril Bur <cyrilbur@...il.com>,
	Simon Guo <wei.guo.simon@...il.com>,
	Ulrich Weigand <ulrich.weigand@...ibm.com>,
	Michael Neuling <mikey@...ling.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Kees Cook <keescook@...omium.org>,
	Rashmica Gupta <rashmicy@...il.com>,
	Khem Raj <raj.khem@...il.com>, Jessica Yu <jeyu@...hat.com>,
	Jiri Kosina <jkosina@...e.cz>, Miroslav Benes <mbenes@...e.cz>,
	Suraj Jitindar Singh <sjitindarsingh@...il.com>,
	Chris Smart <chris@...troguy.com>,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org
Subject: [PATCH v11 14/27] selftests/powerpc: Use the new SPRN_DSCR_PRIV definiton

From: Anshuman Khandual <khandual@...ux.vnet.ibm.com>

Now that the new DSCR register definitions (SPRN_DSCR_PRIV and
SPRN_DSCR) are defined outside this directory, use them instead.

Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Shuah Khan <shuahkh@....samsung.com>
Cc: Anton Blanchard <anton@...ba.org>
Cc: Cyril Bur <cyrilbur@...il.com>
Cc: Anshuman Khandual <khandual@...ux.vnet.ibm.com>
Cc: Simon Guo <wei.guo.simon@...il.com>
Cc: Ulrich Weigand <ulrich.weigand@...ibm.com>
Cc: Michael Neuling <mikey@...ling.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Kees Cook <keescook@...omium.org>
Cc: Rashmica Gupta <rashmicy@...il.com>
Cc: Khem Raj <raj.khem@...il.com>
Cc: Jessica Yu <jeyu@...hat.com>
Cc: Jiri Kosina <jkosina@...e.cz>
Cc: Miroslav Benes <mbenes@...e.cz>
Cc: Suraj Jitindar Singh <sjitindarsingh@...il.com>
Cc: Chris Smart <chris@...troguy.com>
Cc: linuxppc-dev@...ts.ozlabs.org
Cc: linux-kernel@...r.kernel.org
Cc: linux-kselftest@...r.kernel.org
Signed-off-by: Anshuman Khandual <khandual@...ux.vnet.ibm.com>
Signed-off-by: Simon Guo <wei.guo.simon@...il.com>
---
 tools/testing/selftests/powerpc/dscr/dscr.h | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/tools/testing/selftests/powerpc/dscr/dscr.h b/tools/testing/selftests/powerpc/dscr/dscr.h
index a36af1b..18ea223b 100644
--- a/tools/testing/selftests/powerpc/dscr/dscr.h
+++ b/tools/testing/selftests/powerpc/dscr/dscr.h
@@ -28,8 +28,6 @@
 
 #include "utils.h"
 
-#define SPRN_DSCR	0x11	/* Privilege state SPR */
-#define SPRN_DSCR_USR	0x03	/* Problem state SPR */
 #define THREADS		100	/* Max threads */
 #define COUNT		100	/* Max iterations */
 #define DSCR_MAX	16	/* Max DSCR value */
@@ -48,14 +46,14 @@ inline unsigned long get_dscr(void)
 {
 	unsigned long ret;
 
-	asm volatile("mfspr %0,%1" : "=r" (ret): "i" (SPRN_DSCR));
+	asm volatile("mfspr %0,%1" : "=r" (ret) : "i" (SPRN_DSCR_PRIV));
 
 	return ret;
 }
 
 inline void set_dscr(unsigned long val)
 {
-	asm volatile("mtspr %1,%0" : : "r" (val), "i" (SPRN_DSCR));
+	asm volatile("mtspr %1,%0" : : "r" (val), "i" (SPRN_DSCR_PRIV));
 }
 
 /* Problem state DSCR access */
@@ -63,14 +61,14 @@ inline unsigned long get_dscr_usr(void)
 {
 	unsigned long ret;
 
-	asm volatile("mfspr %0,%1" : "=r" (ret): "i" (SPRN_DSCR_USR));
+	asm volatile("mfspr %0,%1" : "=r" (ret) : "i" (SPRN_DSCR));
 
 	return ret;
 }
 
 inline void set_dscr_usr(unsigned long val)
 {
-	asm volatile("mtspr %1,%0" : : "r" (val), "i" (SPRN_DSCR_USR));
+	asm volatile("mtspr %1,%0" : : "r" (val), "i" (SPRN_DSCR));
 }
 
 /* Default DSCR access */
-- 
1.8.3.1