From: Ian Campbell <ian.campbell@citrix.com>
To: xen-devel@lists.xen.org
Cc: julien.grall@citrix.com, tim@xen.org,
Ian Campbell <ian.campbell@citrix.com>,
stefano.stabellini@eu.citrix.com
Subject: [PATCH 04/10] xen: arm: consolidate barrier definitions
Date: Fri, 28 Jun 2013 17:10:50 +0100 [thread overview]
Message-ID: <1372435856-14040-4-git-send-email-ian.campbell@citrix.com> (raw)
In-Reply-To: <1372435809.8976.169.camel@zakaz.uk.xensource.com>
These are effectively identical on both 32- and 64-bit.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
---
xen/include/asm-arm/arm32/system.h | 16 ----------------
xen/include/asm-arm/arm64/system.h | 17 -----------------
xen/include/asm-arm/system.h | 16 ++++++++++++++++
3 files changed, 16 insertions(+), 33 deletions(-)
diff --git a/xen/include/asm-arm/arm32/system.h b/xen/include/asm-arm/arm32/system.h
index b3736f4..9f233fe 100644
--- a/xen/include/asm-arm/arm32/system.h
+++ b/xen/include/asm-arm/arm32/system.h
@@ -2,22 +2,6 @@
#ifndef __ASM_ARM32_SYSTEM_H
#define __ASM_ARM32_SYSTEM_H
-#define sev() __asm__ __volatile__ ("sev" : : : "memory")
-#define wfe() __asm__ __volatile__ ("wfe" : : : "memory")
-#define wfi() __asm__ __volatile__ ("wfi" : : : "memory")
-
-#define isb() __asm__ __volatile__ ("isb" : : : "memory")
-#define dsb() __asm__ __volatile__ ("dsb sy" : : : "memory")
-#define dmb() __asm__ __volatile__ ("dmb sy" : : : "memory")
-
-#define mb() dsb()
-#define rmb() dsb()
-#define wmb() mb()
-
-#define smp_mb() mb()
-#define smp_rmb() rmb()
-#define smp_wmb() wmb()
-
extern void __bad_xchg(volatile void *, int);
static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size)
diff --git a/xen/include/asm-arm/arm64/system.h b/xen/include/asm-arm/arm64/system.h
index 4e41913..46f901c 100644
--- a/xen/include/asm-arm/arm64/system.h
+++ b/xen/include/asm-arm/arm64/system.h
@@ -2,23 +2,6 @@
#ifndef __ASM_ARM64_SYSTEM_H
#define __ASM_ARM64_SYSTEM_H
-#define sev() asm volatile("sev" : : : "memory")
-#define wfe() asm volatile("wfe" : : : "memory")
-#define wfi() asm volatile("wfi" : : : "memory")
-
-#define isb() asm volatile("isb" : : : "memory")
-#define dsb() asm volatile("dsb sy" : : : "memory")
-#define dmb() asm volatile("dmb sy" : : : "memory")
-
-#define mb() dsb()
-#define rmb() dsb()
-#define wmb() mb()
-
-#define smp_mb() mb()
-#define smp_rmb() rmb()
-#define smp_wmb() wmb()
-
-
extern void __bad_xchg(volatile void *, int);
static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size)
diff --git a/xen/include/asm-arm/system.h b/xen/include/asm-arm/system.h
index 290d38d..e003624 100644
--- a/xen/include/asm-arm/system.h
+++ b/xen/include/asm-arm/system.h
@@ -8,6 +8,22 @@
#define nop() \
asm volatile ( "nop" )
+#define sev() asm volatile("sev" : : : "memory")
+#define wfe() asm volatile("wfe" : : : "memory")
+#define wfi() asm volatile("wfi" : : : "memory")
+
+#define isb() asm volatile("isb" : : : "memory")
+#define dsb() asm volatile("dsb sy" : : : "memory")
+#define dmb() asm volatile("dmb sy" : : : "memory")
+
+#define mb() dsb()
+#define rmb() dsb()
+#define wmb() mb()
+
+#define smp_mb() mb()
+#define smp_rmb() rmb()
+#define smp_wmb() wmb()
+
#define xchg(ptr,x) \
((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
--
1.7.2.5
next prev parent reply other threads:[~2013-06-28 16:10 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-28 16:10 [PATCH 00/10] xen: arm: map normal memory as inner shareable, reduce scope of various barriers Ian Campbell
2013-06-28 16:10 ` [PATCH 01/10] xen: arm: map memory as inner shareable Ian Campbell
2013-07-01 15:39 ` Stefano Stabellini
2013-07-01 15:42 ` Ian Campbell
2013-07-02 14:09 ` Leif Lindholm
2013-07-02 14:26 ` Ian Campbell
2013-07-04 10:58 ` Tim Deegan
2013-07-04 11:03 ` Ian Campbell
2013-06-28 16:10 ` [PATCH 02/10] xen: arm: Only upgrade guest barriers to " Ian Campbell
2013-07-01 15:24 ` Stefano Stabellini
2013-07-04 10:58 ` Tim Deegan
2013-06-28 16:10 ` [PATCH 03/10] xen: arm: reduce instruction cache and tlb flushes to inner-shareable Ian Campbell
2013-07-01 15:25 ` Stefano Stabellini
2013-07-04 11:07 ` Tim Deegan
2013-07-04 11:19 ` Tim Deegan
2013-07-04 11:21 ` Tim Deegan
2013-06-28 16:10 ` Ian Campbell [this message]
2013-07-01 15:25 ` [PATCH 04/10] xen: arm: consolidate barrier definitions Stefano Stabellini
2013-07-04 11:07 ` Tim Deegan
2013-06-28 16:10 ` [PATCH 05/10] xen: use SMP barrier in common code dealing with shared memory protocols Ian Campbell
2013-06-28 16:15 ` Ian Campbell
2013-06-28 16:20 ` Keir Fraser
2013-07-04 11:26 ` Tim Deegan
2013-06-28 16:10 ` [PATCH 06/10] xen: arm: Use SMP barriers when that is all which is required Ian Campbell
2013-07-01 15:19 ` Stefano Stabellini
2013-07-01 15:24 ` Ian Campbell
2013-07-04 11:30 ` Tim Deegan
2013-06-28 16:10 ` [PATCH 07/10] xen: arm: Use dmb for smp barriers Ian Campbell
2013-07-01 15:20 ` Stefano Stabellini
2013-07-04 11:31 ` Tim Deegan
2013-06-28 16:10 ` [PATCH 08/10] xen: arm: add scope to dsb and dmb macros Ian Campbell
2013-07-01 15:21 ` Stefano Stabellini
2013-07-01 15:22 ` Stefano Stabellini
2013-07-04 11:44 ` (no subject) Tim Deegan
2013-06-28 16:10 ` [PATCH 09/10] xen: arm: weaken SMP barriers to inner shareable Ian Campbell
2013-07-01 15:21 ` Stefano Stabellini
2013-07-01 15:22 ` Stefano Stabellini
2013-07-04 11:35 ` Tim Deegan
2013-06-28 16:10 ` [PATCH 10/10] xen: arm: use more specific barriers for read and write barriers Ian Campbell
2013-07-01 15:22 ` Stefano Stabellini
2013-07-04 11:42 ` Tim Deegan
2013-07-04 11:46 ` Ian Campbell
2013-06-28 16:11 ` [PATCH 00/10] xen: arm: map normal memory as inner shareable, reduce scope of various barriers Ian Campbell
-- strict thread matches above, loose matches on Subject: below --
2013-07-04 11:32 (no subject) Tim Deegan
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