Messages in this thread | | | Subject | Re: [PATCH] x86/tsc: Append description for 'tsc=unstable' boot parameter | From | Dou Liyang <> | Date | Tue, 10 Oct 2017 09:39:21 +0800 |
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Hi Pavel,
At 10/09/2017 08:25 PM, Pavel Tatashin wrote: > Hi Dou, > > Have you tested tsc=unstable with your DR setup? Is it working as > expected? I mean instead of previous "notsc"?
Not yet, I have applied for the machine, I'll start testing once I have access to it. And I am looking at this part of code to prepare for the test. :-)
> > Reviewed-by: Pavel Tatashin <pasha.tatashin@oracle.com> > Thank you very much.
Thanks, dou.
> Thank you, > Pavel > > On Mon, Oct 9, 2017 at 5:03 AM, Dou Liyang <douly.fnst@cn.fujitsu.com> wrote: >> Commit 8309f86cd41e ("x86/tsc: Provide 'tsc=unstable' boot parameter") adds >> a new parameter 'tsc=unstable', but doesn't add some description to guide >> users. >> >> Append the description of 'tsc=unstable' at the end of 'tsc=' section. >> >> Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com> >> --- >> Documentation/admin-guide/kernel-parameters.txt | 3 +++ >> 1 file changed, 3 insertions(+) >> >> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt >> index 9a84483..33e83b6 100644 >> --- a/Documentation/admin-guide/kernel-parameters.txt >> +++ b/Documentation/admin-guide/kernel-parameters.txt >> @@ -4196,6 +4196,9 @@ >> Used to run time disable IRQ_TIME_ACCOUNTING on any >> platforms where RDTSC is slow and this accounting >> can add overhead. >> + [x86] unstable: mark tsc clocksource as unstable, this >> + marks the TSC unconditionally unstable at bootup and >> + avoids any further wobbles once the TSC watchdog notices. >> >> turbografx.map[2|3]= [HW,JOY] >> TurboGraFX parallel port interface >> -- >> 2.5.5 >> >> >> > > >
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