Messages in this thread | | | Date | Mon, 15 Apr 2019 10:30:43 +0100 | From | Huw Davies <> | Subject | Re: [PATCH 2/3] x86/vdso: Allow clock specific mult and shift values |
| |
On Sun, Apr 14, 2019 at 12:53:32PM +0200, Thomas Gleixner wrote: > So it stays in the same cache line, but as we move the VDSO to generic > code, the mask field needs to stay and this will make basetime[CLOCK_MONOTONIC] > overlap into the next cache line.
Thanks for the great review; this is a good point.
> See https://lkml.kernel.org/r/alpine.DEB.2.21.1902231727060.1666@nanos.tec.linutronix.de > for an alternate solution to this problem, which avoids this and just gives > CLOCK_MONOTONIC_RAW a separate storage space alltogether.
I can certainly do this for the x86 vdso. Would that be useful or should I wait for Vincenzo's work on the generic vdso first?
Many thanks, Huw.
| |