From: Paolo Bonzini <pbonzini@redhat.com>
To: qemu-devel@nongnu.org
Cc: Pranith Kumar <bobby.prani@gmail.com>
Subject: [Qemu-devel] [PULL 02/24] docs/atomics.txt: Update pointer to linux macro
Date: Mon, 23 May 2016 17:09:37 +0200 [thread overview]
Message-ID: <1464016199-43768-3-git-send-email-pbonzini@redhat.com> (raw)
In-Reply-To: <1464016199-43768-1-git-send-email-pbonzini@redhat.com>
From: Pranith Kumar <bobby.prani@gmail.com>
Add a missing end brace and update doc to point to the latest access
macro. ACCESS_ONCE() is deprecated.
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Message-Id: <1462198852-28694-1-git-send-email-bobby.prani@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
docs/atomics.txt | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/docs/atomics.txt b/docs/atomics.txt
index ef285e3..bba771e 100644
--- a/docs/atomics.txt
+++ b/docs/atomics.txt
@@ -62,7 +62,7 @@ operations:
typeof(*ptr) atomic_fetch_sub(ptr, val)
typeof(*ptr) atomic_fetch_and(ptr, val)
typeof(*ptr) atomic_fetch_or(ptr, val)
- typeof(*ptr) atomic_xchg(ptr, val
+ typeof(*ptr) atomic_xchg(ptr, val)
typeof(*ptr) atomic_cmpxchg(ptr, old, new)
all of which return the old value of *ptr. These operations are
@@ -328,7 +328,7 @@ and memory barriers, and the equivalents in QEMU:
- atomic_read and atomic_set in Linux give no guarantee at all;
atomic_read and atomic_set in QEMU include a compiler barrier
- (similar to the ACCESS_ONCE macro in Linux).
+ (similar to the READ_ONCE/WRITE_ONCE macros in Linux).
- most atomic read-modify-write operations in Linux return void;
in QEMU, all of them return the old value of the variable.
--
1.8.3.1
next prev parent reply other threads:[~2016-05-23 15:10 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-23 15:09 [Qemu-devel] [PULL 00/24] Misc patches for 2016-05-23 Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 01/24] exec.c: Ensure right alignment also for file backed ram Paolo Bonzini
2016-05-23 15:09 ` Paolo Bonzini [this message]
2016-05-23 15:09 ` [Qemu-devel] [PULL 03/24] i386: kvmvapic: initialise imm32 variable Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 04/24] configure: Allow builds with extra warnings Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 05/24] target-i386: key sfence availability on CPUID_SSE, not CPUID_SSE2 Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 06/24] ioapic: keep RO bits for IOAPIC entry Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 07/24] ioapic: clear remote irr bit for edge-triggered interrupts Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 08/24] vl: change runstate only if new state is different from current state Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 09/24] memory: drop find_ram_block() Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 10/24] exec: adjust rcu_read_lock requirement Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 11/24] memory: Remove code for mr->may_overlap Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 12/24] memory: Drop FlatRange.romd_mode Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 13/24] memory: remove unnecessary masking of MemoryRegion ram_addr Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 14/24] cpus.c: Use pthread_sigmask() rather than sigprocmask() Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 15/24] Remove config-devices.mak on 'make clean' Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 16/24] scripts/signrom.py: Allow option ROM checksum script to write the size header Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 17/24] scripts/signrom.py: Check for magic in option ROMs Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 18/24] esp: check command buffer length before write(CVE-2016-4439) Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 19/24] esp: check dma length before reading scsi command(CVE-2016-4441) Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 20/24] iscsi: pass SCSI status back for SG_IO Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 21/24] coccinelle: add g_assert_cmp* to macro file Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 22/24] target-i386: add a generic x86 nmi handler Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 23/24] nmi: remove x86 specific nmi handling Paolo Bonzini
2016-05-23 15:09 ` [Qemu-devel] [PULL 24/24] cpus: call the core nmi injection function Paolo Bonzini
2016-05-23 16:16 ` [Qemu-devel] [PULL 00/24] Misc patches for 2016-05-23 Peter Maydell
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