Messages in this thread | | | Date | Mon, 05 Nov 2018 16:21:48 +0800 | From | tengfei@codeauro ... | Subject | Re: [PATCH] arm: kernel: add support for detecting armv8 cpu cache information |
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Hi Russell,
our team team was trying to check L1, L2 cache size with adb commands help on 32bit ARMv8 platform, so we submit this patch.
Thanks, Tengfei Fan
On 2018-10-18 16:56, Russell King - ARM Linux wrote: > 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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