From: linux@armlinux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm: kernel: add support for detecting armv8 cpu cache information
Date: Thu, 18 Oct 2018 09:56:09 +0100 [thread overview]
Message-ID: <20181018085609.GI30658@n2100.armlinux.org.uk> (raw)
In-Reply-To: <1539843407-7439-1-git-send-email-tengfei@codeaurora.org>
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?
--
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
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next prev parent reply other threads:[~2018-10-18 8:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-18 6:16 [PATCH] arm: kernel: add support for detecting armv8 cpu cache information Teng Fei Fan
2018-10-18 8:56 ` Russell King - ARM Linux [this message]
2018-11-05 8:21 ` tengfei at codeaurora.org
2018-10-18 9:36 ` Sudeep Holla
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