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(-) > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
