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From: | Paolo Bonzini |
Subject: | Re: [Qemu-devel] [PATCH 6/9] tcg: synchronize cpu->exit_request and cpu->tcg_exit_req accesses |
Date: | Fri, 28 Aug 2015 10:50:57 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 |
On 28/08/2015 04:19, Emilio G. Cota wrote: > translate-all.c-1478- } else { > translate-all.c:1479: cpu->tcg_exit_req = 1; This one is only run in the CPU thread. > translate-all.c-1643- cpu->interrupt_request |= mask; > translate-all.c:1644: cpu->tcg_exit_req = 1; This one is only run in user-mode emulation, which also means it is run in the CPU thread. Paolo > Current master certainly doesn't have them, but I wonder if > you have barriers at those places in the tree you're working on. If not > I'd expand this patch to add them.
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