|
From: | Paolo Bonzini |
Subject: | Re: [Qemu-devel] [RFC v3 0/56] per-CPU locks |
Date: | Fri, 19 Oct 2018 08:59:24 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0 |
On 19/10/2018 03:05, Emilio G. Cota wrote: > I'm calling this series a v3 because it supersedes the two series > I previously sent about using atomics for interrupt_request: > https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg02013.html > The approach in that series cannot work reliably; using (locked) atomics > to set interrupt_request but not using (locked) atomics to read it > can lead to missed updates. The idea here was that changes to protected fields are all followed by kick. That may not have been the case, granted, but I wonder if the plan is unworkable. Paolo
[Prev in Thread] | Current Thread | [Next in Thread] |