Messages in this thread | | | Date | Wed, 25 Nov 2015 23:50:49 +0800 | From | Jisheng Zhang <> | Subject | Re: [PATCH v3 0/2] clocksource/drivers/dw_apb_timer: improve performance a bit |
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On Wed, 25 Nov 2015 23:48:32 +0800 Jisheng Zhang wrote:
> These two patches try to improve the dw_apb_timer clocksource/clockevent > performance.
These patches depends on the apbt_readl return value fix patch:
http://lists.infradead.org/pipermail/linux-arm-kernel/2015-November/388250.html
thanks, Jisheng
> > since v2: > - only use relaxed version in critical path > - inline apbt_readl/apbt_writel > - add some performance numbers > > since v1: > - correct the wrong sentence in commit msg about writel performance on > CA9 with outer L2 cache. Thank Arnd for pointing out this in another > thread. > > Jisheng Zhang (2): > clocksource/drivers/dw_apb_timer: Inline apbt_readl and apbt_writel > clocksource/drivers/dw_apb_timer: Use {readl|writel}_relaxed in > critical path > > drivers/clocksource/dw_apb_timer.c | 30 +++++++++++++++++++++--------- > 1 file changed, 21 insertions(+), 9 deletions(-) >
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