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Re: [Qemu-devel] [PATCH] qemu-barrier: Fix build failure on PowerPC Mac
From: |
Anthony Liguori |
Subject: |
Re: [Qemu-devel] [PATCH] qemu-barrier: Fix build failure on PowerPC Mac OS X |
Date: |
Tue, 01 Nov 2011 13:04:35 -0500 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.21) Gecko/20110831 Lightning/1.0b2 Thunderbird/3.1.13 |
On 11/01/2011 04:39 AM, Eric Sunshine wrote:
qemu-barrier.h tests if macro __powerpc__ is defined, however, the
preprocessor on PowerPC Mac OS X defines only __POWERPC__, not
__powerpc__. Resolve by testing instead for qemu-provided _ARCH_PPC.
Signed-off-by: Eric Sunshine<address@hidden>
Applied. Thanks.
Regards,
Anthony Liguori
---
The anomalous __powerpc__ test appears only in qemu-barrier.h.
No other source files reference this name.
Cc: David Gibson<address@hidden>
qemu-barrier.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/qemu-barrier.h b/qemu-barrier.h
index 735eea6..c11bb2b 100644
--- a/qemu-barrier.h
+++ b/qemu-barrier.h
@@ -14,7 +14,7 @@
*/
#define smp_wmb() barrier()
-#elif defined(__powerpc__)
+#elif defined(_ARCH_PPC)
/*
* We use an eieio() for a wmb() on powerpc. This assumes we don't