From: Paolo Bonzini <pbonzini@redhat.com>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: Peter Maydell <peter.maydell@linaro.org>,
Anthony Liguori <aliguori@us.ibm.com>,
Jan Kiszka <jan.kiszka@siemens.com>,
Marcelo Tosatti <mtosatti@redhat.com>,
qemu-devel@nongnu.org, Liu Ping Fan <qemulist@gmail.com>,
Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com>
Subject: Re: [Qemu-devel] [PATCH 2/5] hostmem: make hostmem global and RAM hotunplg safe
Date: Thu, 11 Apr 2013 12:26:09 +0200 [thread overview]
Message-ID: <51668FC1.4050104@redhat.com> (raw)
In-Reply-To: <20130411101118.GC9165@stefanha-thinkpad.redhat.com>
Il 11/04/2013 12:11, Stefan Hajnoczi ha scritto:
> Also, these sync gcc builtins are not available on all platforms or gcc
> versions. We need to be a little careful to avoid breaking builds here.
> Maybe __sync_add_and_fetch() is fine but I wanted to mention it because
> I've had trouble with these in the past.
We are already using GCC atomics elsewhere (spice, migration, vhost).
They are really ugly to type and not complete, so we should have our own
wrapper include, but they are fine.
Paolo
next prev parent reply other threads:[~2013-04-11 10:26 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-01 8:20 [Qemu-devel] [PATCH 0/5] proposal to make hostmem listener RAM unplug safe Liu Ping Fan
2013-04-01 8:20 ` [Qemu-devel] [PATCH 1/5] memory: add ref/unref interface for MemroyRegionOps Liu Ping Fan
2013-04-11 9:49 ` Stefan Hajnoczi
2013-04-12 4:12 ` liu ping fan
2013-04-01 8:20 ` [Qemu-devel] [PATCH 2/5] hostmem: make hostmem global and RAM hotunplg safe Liu Ping Fan
2013-04-02 6:11 ` li guang
2013-04-11 10:09 ` Paolo Bonzini
2013-04-12 6:46 ` liu ping fan
2013-04-12 8:21 ` Stefan Hajnoczi
2013-04-11 10:11 ` Stefan Hajnoczi
2013-04-11 10:26 ` Paolo Bonzini [this message]
2013-04-12 3:55 ` liu ping fan
2013-04-12 8:38 ` Stefan Hajnoczi
2013-04-12 10:03 ` Paolo Bonzini
2013-04-15 1:42 ` liu ping fan
2013-04-15 6:38 ` Paolo Bonzini
2013-04-01 8:20 ` [Qemu-devel] [PATCH 3/5] vring: use hostmem's RAM safe api Liu Ping Fan
2013-04-11 10:15 ` Stefan Hajnoczi
2013-04-12 4:49 ` liu ping fan
2013-04-12 8:41 ` Stefan Hajnoczi
2013-04-01 8:20 ` [Qemu-devel] [PATCH 4/5] virtio-blk: release reference to RAM's memoryRegion Liu Ping Fan
2013-04-02 5:58 ` li guang
2013-04-12 4:44 ` liu ping fan
2013-04-11 10:20 ` Stefan Hajnoczi
2013-04-12 4:48 ` liu ping fan
2013-04-12 8:45 ` Stefan Hajnoczi
2013-04-12 9:05 ` liu ping fan
2013-04-16 7:57 ` Stefan Hajnoczi
2013-04-16 8:12 ` Paolo Bonzini
2013-04-01 8:20 ` [Qemu-devel] [PATCH 5/5] hostmem: init/finalize hostmem listener Liu Ping Fan
2013-04-11 10:02 ` Paolo Bonzini
2013-04-11 12:08 ` liu ping fan
2013-04-11 13:14 ` Paolo Bonzini
2013-06-13 4:38 ` [Qemu-devel] about atexit() (was: [PATCH 5/5] hostmem: init/finalize hostmem listener) Amos Kong
2013-06-13 8:51 ` liu ping fan
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