lkml.org 
[lkml]   [2019]   [Apr]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [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.

\
 
 \ /
  Last update: 2019-04-15 11:48    [W:0.081 / U:0.164 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site