Messages in this thread | | | Date | Wed, 8 Dec 2021 21:32:50 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH] block: switch to atomic_t for request references |
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On Wed, Dec 08, 2021 at 10:50:10AM -0800, Linus Torvalds wrote: > On Wed, Dec 8, 2021 at 10:44 AM Peter Zijlstra <peterz@infradead.org> wrote: > > > > From testing xadd had different flags from add; I've not yet looked at > > the SDM to see what it said on the matter. > > That should not be the case. Just checked, and it just says > > "The CF, PF, AF, SF, ZF, and OF flags are set according to the > result of the addition, which is stored in the destination operand"
I got the constraints wrong :/ They match now.
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