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From: | Paolo Bonzini |
Subject: | Re: [Qemu-devel] qemu-arm-static, multiprocess, atomic |
Date: | Thu, 26 May 2016 13:21:02 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.0 |
On 26/05/2016 12:42, Sergey Fedorov wrote: > I'm afraid even our recent efforts in > multi-threaded TCG won't change the situation. The problem is that it > would require to translate somehow ARM's exclusive access monitor to x86 > model. > The cmpxchg-based variant would work. It doesn't implement LL/SC exactly, but it works fine if the program is written against GCC atomic builtins. Thanks, Paolo
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