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From: Richard Henderson <rth@twiddle.net>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Ed Maste <emaste@freebsd.org>, qemu-devel <qemu-devel@nongnu.org>,
	Stefan Hajnoczi <stefanha@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 2/2] qemu-thread: add TLS wrappers
Date: Mon, 01 Jul 2013 13:30:09 -0700	[thread overview]
Message-ID: <51D1E6D1.9070505@twiddle.net> (raw)
In-Reply-To: <CAFEAcA8K9m62XqYB-RQtLQpaO8a3nqn+hVzyKCwNXFADZjj9=A@mail.gmail.com>

On 07/01/2013 12:25 PM, Peter Maydell wrote:
> Does any OS have a __thread which compiles but is broken, or can
> we just have a configure test for this? That would let MacOSX+clang
> use __thread.

I suspect that this will work.  Some targets may succeed in using gcc's
"emutls" path, which while slower than TLS is pretty much exactly the pthread
get/setcontext fallback that's been proposed elsewhere on this list.


r~

  parent reply	other threads:[~2013-07-01 20:30 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-01  9:35 [Qemu-devel] [PATCH 0/2] Fast Thread-Local Storage support Stefan Hajnoczi
2013-07-01  9:35 ` [Qemu-devel] [PATCH 1/2] exec: do not use qemu/tls.h Stefan Hajnoczi
2013-07-01  9:51   ` Peter Maydell
2013-07-01 10:15     ` Paolo Bonzini
2013-07-01 10:47   ` Andreas Färber
2013-07-01  9:35 ` [Qemu-devel] [PATCH 2/2] qemu-thread: add TLS wrappers Stefan Hajnoczi
2013-07-01  9:54   ` Peter Maydell
2013-07-01 10:14     ` Paolo Bonzini
2013-07-04 16:27       ` Jan Kiszka
2013-07-04 16:38         ` Paolo Bonzini
2013-07-01 12:34     ` Stefan Hajnoczi
2013-07-01 18:52   ` Ed Maste
2013-07-01 19:25     ` Peter Maydell
2013-07-01 20:00       ` Ed Maste
2013-07-01 20:30       ` Richard Henderson [this message]
2013-07-02  7:54         ` Paolo Bonzini
2013-07-02  7:50     ` Stefan Hajnoczi

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