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Groups > linux.kernel > #1237526
| From | Frederic Weisbecker <fweisbec@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 09/12] sched, x86: Kill saved_preempt_count |
| Date | 2015-10-01 17:50 +0200 |
| Message-ID | <qeOhj-t3-13@gated-at.bofh.it> (permalink) |
| References | <qek9A-6Kx-13@gated-at.bofh.it> <qek9A-6Kx-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Sep 30, 2015 at 09:10:44AM +0200, Peter Zijlstra wrote: > With the introduction of the context switch preempt_count invariant, > and the demise of PREEMPT_ACTIVE, its pointless to save/restore the > per-cpu preemption count, it must always be the same. > > Reviewed-by: Thomas Gleixner <tglx@linutronix.de> > Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Frederic Weisbecker <fweisbec@gmail.com> Good news as well. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH v2 09/12] sched, x86: Kill saved_preempt_count Peter Zijlstra <peterz@infradead.org> - 2015-09-30 09:40 +0200 Re: [PATCH v2 09/12] sched, x86: Kill saved_preempt_count Frederic Weisbecker <fweisbec@gmail.com> - 2015-10-01 17:50 +0200
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