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Subject: Re: [Qemu-devel] [PATCH 2/2] qemu-thread: add TLS wrappers
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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>

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~