Re: [dm-devel] [RFC][PATCH] dm: Remove dm_bufio_cond_resched()

From: Bart Van Assche
Date: Fri Sep 23 2016 - 10:33:20 EST

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On 09/23/16 00:34, Peter Zijlstra wrote:

Is anybody still using PREEMPT_NONE? Most workloads also care about
latency to some extend. Lots of code has explicit cond_resched() and
doesn't worry.

From a SLES11 system:

$ grep PREEMPT_NONE /boot/config-3.0.101-0.47.67-default
CONFIG_PREEMPT_NONE=y

From a SLES12 system:

$ grep CONFIG_PREEMPT_NONE /boot/config-4.4.16-56-default
CONFIG_PREEMPT_NONE=y

Bart.

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