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From: | Peter Maydell |
Subject: | Re: [Qemu-devel] [PATCH 11/10] tcg: comment on which functions have to be called with tb_lock held |
Date: | Thu, 13 Aug 2015 16:32:35 +0100 |
On 13 August 2015 at 15:39, Paolo Bonzini <address@hidden> wrote: > TBs are physically-tagged so invalidates are not too frequent unless the > guest does self-modifying code or swaps. They shouldn't be a source of > tb_lock contention except if you do SMC (not just dynamic recompilation: > really self-modifying code). Do guests with writeable data and code in the same page also get treated as SMC for these purposes? (That's more common than real SMC.) -- PMM
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