Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1620895

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

From Jon Masters <jcm@jonmasters.org>
Newsgroups linux.kernel
Subject Re: [PATCH] Revert "arm64: Increase the max granular size"
Date 2017-04-11 06:50 +0200
Message-ID <tuVUB-2g1-1@gated-at.bofh.it> (permalink)
References (2 earlier) <rfbEK-mO-11@gated-at.bofh.it> <tta1I-5sD-23@gated-at.bofh.it> <tta1I-5sD-25@gated-at.bofh.it> <tta1I-5sD-21@gated-at.bofh.it> <tthZh-2Gn-21@gated-at.bofh.it>
Organization World Organi{s,z}ation Of Broken Dreams

Show all headers | View raw


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.

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

Re: [PATCH] Revert "arm64: Increase the max granular size" Jon Masters <jcm@jonmasters.org> - 2017-04-11 06:50 +0200

csiph-web