x86/tsc: Fix sched_clock() sync

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While looking through the code I noticed that we initialize the cyc2ns
fields with a different cycle value for each CPU, resulting in a
slightly different 0 point for each CPU.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
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>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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Peter Zijlstra 2017-05-05 09:55:01 +02:00 • committed by Ingo Molnar

parent 59eaef78bf

commit 615cd03373

1 changed files with 11 additions and 5 deletions

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arch/x86/kernel/tsc.c

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