Messages in this thread Patch in this message | | | Date | Tue, 10 Oct 2017 04:02:42 -0700 | From | tip-bot for Dou Liyang <> | Subject | [tip:sched/core] x86/tsc: Append the 'tsc=' description for the 'tsc=unstable' boot parameter |
| |
Commit-ID: 6be53520ad8f87dc748f381e4e8e6a846a4b466b Gitweb: https://git.kernel.org/tip/6be53520ad8f87dc748f381e4e8e6a846a4b466b Author: Dou Liyang <douly.fnst@cn.fujitsu.com> AuthorDate: Mon, 9 Oct 2017 17:03:33 +0800 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Tue, 10 Oct 2017 11:45:42 +0200
x86/tsc: Append the 'tsc=' description for the 'tsc=unstable' boot parameter
Commit:
8309f86cd41e ("x86/tsc: Provide 'tsc=unstable' boot parameter")
added a new 'tsc=unstable' parameter, but didn't document it.
Document it.
Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: <corbet@lwn.net> Cc: <pasha.tatashin@oracle.com> Cc: <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1507539813-11420-1-git-send-email-douly.fnst@cn.fujitsu.com Signed-off-by: Ingo Molnar <mingo@kernel.org> --- 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 0549662..6b99c8b 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -4194,6 +4194,9 @@ Used to run time disable IRQ_TIME_ACCOUNTING on any platforms where RDTSC is slow and this accounting can add overhead. + [x86] unstable: mark the 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
| |