linux-kernel - Re: [PATCH 0/8] Add hardware prefetch control driver for arm64 and x86

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Message-ID: <931f6d2a-9001-e736-e7e2-7f86f87539cc@intel.com>
Date:   Tue, 25 Jan 2022 07:12:58 -0800
From:   Dave Hansen <dave.hansen@...el.com>
To:     Kohei Tarumizu <tarumizu.kohei@...itsu.com>,
        catalin.marinas@....com, will@...nel.org, tglx@...utronix.de,
        mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com,
        x86@...nel.org, hpa@...or.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/8] Add hardware prefetch control driver for arm64 and
 x86

On 1/24/22 23:14, Kohei Tarumizu wrote:
> # cat /sys/devices/system/cpu/cpu1/cache/index2/prefetch_control
> 
> hardware_prefetcher_enable=enable
> adjacent_cache_line_prefetcher_enable=disable

Doesn't this break the one-value-per-file sysfs rules?