On Thu, Feb 15, 2018 at 9:01 AM, Peter Zijlstra <[email protected]> wrote: > On Thu, Feb 15, 2018 at 05:21:55PM +0100, Thomas Gleixner wrote: >> The clockid argument of clockid_to_kclock() comes straight from user space >> via various syscalls and is used as index into the posix_clocks array. >> >> Protect it against spectre v1 array out of bounds speculation. Remove the >> redundant check for !posix_clock[id] as this is another source for >> speculation and does not provide any advantage over the return >> posix_clock[id] path which returns NULL in that case anyway. >> >> Signed-off-by: Thomas Gleixner <[email protected]> >> Cc: [email protected] > > Acked-by: Peter Zijlstra (Intel) <[email protected]> >
Curious where this ended up, I don't see it on tip/master. In any event: Acked-by: Dan Williams <[email protected]>
