From: Paolo Bonzini <pbonzini@redhat.com>
To: qemu-devel@nongnu.org
Cc: qemu-stable@nongnu.org
Subject: [Qemu-devel] [PULL 1/9] atomic: fix position of volatile qualifier
Date: Sat, 3 Jan 2015 09:45:01 +0100 [thread overview]
Message-ID: <1420274709-30199-2-git-send-email-pbonzini@redhat.com> (raw)
In-Reply-To: <1420274709-30199-1-git-send-email-pbonzini@redhat.com>
What needs to be volatile is not the pointer, but the pointed-to
value!
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
include/qemu/atomic.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/qemu/atomic.h b/include/qemu/atomic.h
index 492bce1..93c2ae2 100644
--- a/include/qemu/atomic.h
+++ b/include/qemu/atomic.h
@@ -122,11 +122,11 @@
#endif
#ifndef atomic_read
-#define atomic_read(ptr) (*(__typeof__(*ptr) *volatile) (ptr))
+#define atomic_read(ptr) (*(__typeof__(*ptr) volatile*) (ptr))
#endif
#ifndef atomic_set
-#define atomic_set(ptr, i) ((*(__typeof__(*ptr) *volatile) (ptr)) = (i))
+#define atomic_set(ptr, i) ((*(__typeof__(*ptr) volatile*) (ptr)) = (i))
#endif
/* These have the same semantics as Java volatile variables.
--
1.8.3.1
next prev parent reply other threads:[~2015-01-03 8:45 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-03 8:45 [Qemu-devel] [PULL 0/9] Misc changes for 2015-01-03 (icount, migration, iscsi, sdhci-pci) Paolo Bonzini
2015-01-03 8:45 ` Paolo Bonzini [this message]
2015-01-03 8:45 ` [Qemu-devel] [PULL 2/9] target-ppc: pass DisasContext to SPR generator functions Paolo Bonzini
2015-01-03 8:45 ` [Qemu-devel] [PULL 3/9] cpu-exec: add a new CF_USE_ICOUNT cflag Paolo Bonzini
2015-01-03 8:45 ` [Qemu-devel] [PULL 4/9] translate: check cflags instead of use_icount global Paolo Bonzini
2015-01-03 8:45 ` [Qemu-devel] [PULL 5/9] gen-icount: " Paolo Bonzini
2015-01-03 8:45 ` [Qemu-devel] [PULL 6/9] serial: refine serial_thr_ipending_needed Paolo Bonzini
2015-01-03 8:45 ` [Qemu-devel] [PULL 7/9] pckbd: set bits 2-3-6-7 of the output port by default Paolo Bonzini
2015-01-03 8:45 ` [Qemu-devel] [PULL 8/9] block/iscsi: fix uninitialized variable Paolo Bonzini
2015-01-03 8:45 ` [Qemu-devel] [PULL 9/9] pci: move REDHAT_SDHCI device ID to make room for Rocker Paolo Bonzini
2015-01-09 17:58 ` [Qemu-devel] [PULL 0/9] Misc changes for 2015-01-03 (icount, migration, iscsi, sdhci-pci) Peter Maydell
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