Messages in this thread | | | Date | Thu, 18 Oct 2018 09:56:09 +0100 | From | Russell King - ARM Linux <> | Subject | Re: [PATCH] arm: kernel: add support for detecting armv8 cpu cache information |
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On Thu, Oct 18, 2018 at 02:16:47PM +0800, Teng Fei Fan wrote: > This patch adds support for cacheinfo on 32bit ARMv8 platform. > Add support for detecting cpu cache information cpu cache information > via sysfs for 32bit armv8 platform. And export to sysfs then userspace > can get from /sys/devices/system/cpu/cpuX/cache.
You don't explain why this is needed.
We don't do this for previous 32-bit CPUs, so why should we do this for ARMv8 running on a 32-bit kernel?
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