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| author | Juri Lelli <juri.lelli@redhat.com> | 2019-03-07 13:09:13 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-03-22 14:14:58 +0100 |
| commit | 0f0b7e1cc7abf8e1a8b301f2868379d611d05ae2 (patch) | |
| tree | 3a89ad3353ed398b71336b31fbd4856b99f87d92 /arch/x86/lib/delay.c | |
| parent | 9e98c678c2d6ae3a17cb2de55d17f69dddaa231b (diff) | |
x86/tsc: Add option to disable tsc clocksource watchdog
Clocksource watchdog has been found responsible for generating latency
spikes (in the 10-20 us range) when woken up to check for TSC stability.
Add an option to disable it at boot.
Signed-off-by: Juri Lelli <juri.lelli@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: bigeasy@linutronix.de
Cc: linux-rt-users@vger.kernel.org
Cc: peterz@infradead.org
Cc: bristot@redhat.com
Cc: williams@redhat.com
Link: https://lkml.kernel.org/r/20190307120913.13168-1-juri.lelli@redhat.com
Diffstat (limited to 'arch/x86/lib/delay.c')
0 files changed, 0 insertions, 0 deletions