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    SubjectRe: [PATCH v4 0/2] x86_64,entry: Clear NT on entry and speed up switch_to
    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.

    -hpa




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