From: malc <av1474@comtv.ru>
To: "Loïc Minier" <lool@dooz.org>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 1/2] Detect and use GCC atomic builtins for locking
Date: Sat, 20 Feb 2010 20:57:05 +0300 (MSK) [thread overview]
Message-ID: <alpine.LNX.2.00.1002202055001.1540@linmac> (raw)
In-Reply-To: <20100220091037.GC9788@bee.dooz.org>
On Sat, 20 Feb 2010, Lo?c Minier wrote:
> On Sat, Feb 20, 2010, malc wrote:
> > For instance this:
> > http://sources.redhat.com/ml/libc-alpha/2005-06/msg00112.html
> >
> > The builtins are too coarse grained and will do more stuff than strictly
> > necessary.
>
> Is this the case of the builtins I'm proposing to use? We could ask
> for new ones without the drawbacks if any.
>
> Do you have another option to implement locking on thumb-2?
No, i'm against using locking GCC builtins for all the other targets (well
PPC), if they provide satisfactory results for thumb-2 please do submit an
updated patch which uses them only for this host.
--
mailto:av1474@comtv.ru
next prev parent reply other threads:[~2010-02-20 17:57 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-19 21:02 [Qemu-devel] [PATCH 1/2] Detect and use GCC atomic builtins for locking Loïc Minier
2010-02-19 21:02 ` [Qemu-devel] [PATCH 2/2] Make spinlock_t types volatile Loïc Minier
2010-02-19 21:42 ` [Qemu-devel] [PATCH 1/2] Detect and use GCC atomic builtins for locking malc
2010-02-20 8:16 ` Loïc Minier
2010-02-20 8:28 ` malc
2010-02-20 9:10 ` Loïc Minier
2010-02-20 17:57 ` malc [this message]
2010-02-22 10:25 ` Loïc Minier
2010-02-22 10:47 ` malc
2010-02-28 0:26 ` Paul Brook
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