Re: [dpdk-dev] [PATCH v7] eal/arm64: fix rdtsc precise version

2020-03-13 Thread David Marchand
On Thu, Mar 12, 2020 at 2:09 AM Linhaifeng wrote: > > In order to get more accurate the cntvct_el0 reading, > SW must invoke isb. > > Fixes: ccad39ea0712 ("eal/arm: add cpu cycle operations for ARMv8") > Cc: sta...@dpdk.org > > Reviewed-by: Gavin Hu Acked-by: Jerin Jacob > Signed-off-by: Haifeng

[dpdk-dev] [PATCH v7] eal/arm64: fix rdtsc precise version

2020-03-11 Thread Linhaifeng
In order to get more accurate the cntvct_el0 reading, SW must invoke isb. Fixes: ccad39ea0712 ("eal/arm: add cpu cycle operations for ARMv8") Cc: sta...@dpdk.org Reviewed-by: David Marchand Reviewed-by: Jerin Jacob Reviewed-by: Gavin Hu Signed-off-by: Haifeng Lin --- lib/librte_eal/common/in