Messages in this thread | | | From | Andy Lutomirski <> | Date | Mon, 21 Sep 2015 12:14:48 -0700 | Subject | Re: [PATCH 0/2] x86: NMI vs paravirt fixes |
| |
On Sun, Sep 20, 2015 at 4:32 PM, Andy Lutomirski <luto@kernel.org> wrote: > These are for x86/urgent. > > This fixes at least one problem that Sasha can trigger using some > crazy configuration + Trinity. I can't reproduce the full file of > nastiness that he's seeing, but these patches both look legit to me, > they fix what look like real bugs, and they seem to help Sasha's > tests. > > Patch 1 is ugly. Feel free to tell me to shove the asm into the > entry asm files, although that will involve duplicating it for > 32-bit and 64-bit kernels.
It turns out that Sasha had noreplace-paravirt on, which is probably how he was able to hit these reliably.
They're still bugs, though.
--Andy
| |