linux-kernel - Re: [PATCH] Revert "arm64: Increase the max granular size"

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Message-ID: <5d1fc066-d551-31cf-51bc-8fb17d7e2ec3@jonmasters.org>
Date:   Tue, 11 Apr 2017 00:40:09 -0400
From:   Jon Masters <jcm@...masters.org>
To:     Catalin Marinas <catalin.marinas@....com>,
        Imran Khan <kimran@...eaurora.org>
Cc:     "\"Chalamarla," "Tirumalesh\""
         "<Tirumalesh.Chalamarla@...iumnetworks.com>;" Ganesh Mahendran 
        <opensource.ganesh@...il.com>,
        open list <linux-kernel@...r.kernel.org>,
        linux-arm-kernel@...ts.infradead.org,
        "open list:ARM/QUALCOMM SUPPORT" <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH] Revert "arm64: Increase the max granular size"

On 04/06/2017 11:58 AM, Catalin Marinas wrote:

> The Cavium guys haven't shown any numbers (IIUC) to back the
> L1_CACHE_BYTES performance improvement but I would not revert the
> original commit since ARCH_DMA_MINALIGN definitely needs to cover the
> maximum available cache line size, which is 128 for them.

I am pinging them via other channels to ensure they've seen this.

Jon.