Messages in this thread | | | From | Andy Lutomirski <> | Date | Mon, 6 Oct 2014 09:45:56 -0700 | Subject | Re: [PATCH v4 0/2] x86_64,entry: Clear NT on entry and speed up switch_to |
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On Mon, Oct 6, 2014 at 9:41 AM, H. Peter Anvin <hpa@zytor.com> wrote: > On 10/06/2014 09:39 AM, Andy Lutomirski wrote: >> On Wed, Oct 1, 2014 at 11:49 AM, Andy Lutomirski <luto@amacapital.net> wrote: >>> Anish Bhatt noticed that user programs can set RFLAGS.NT before >>> syscall or sysenter, and the kernel entry code doesn't filter out >>> NT. This causes kernel C code and, depending on thread flags, the >>> exit slow path to run with NT set. >>> >> >> Quick ping: now that the merge window is (sort of) open, what's >> happening with these patches? >> >> Thanks, >> Andy >> > > My preference would be to queue them up for 3.19 since they arrived late > in the 3.18 cycle.
I see nothing wrong with deferring patch 2 for 3.19, but deferring patch 1, which is tagged for stable, for an entire release seems a bit silly to me.
--Andy
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