linux-kernel - Re: [PATCH 7/8] membarrier: Remove arm (32) support for SYNC

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Message-ID: <m3fsxg7tv4.fsf@t19.piap.pl>
Date:   Thu, 17 Jun 2021 10:55:43 +0200
From:   Krzysztof Hałasa <khalasa@...p.pl>
To:     "Russell King (Oracle)" <linux@...linux.org.uk>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Andy Lutomirski <luto@...nel.org>, x86@...nel.org,
        Dave Hansen <dave.hansen@...el.com>,
        LKML <linux-kernel@...r.kernel.org>, linux-mm@...ck.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Nicholas Piggin <npiggin@...il.com>,
        linux-arm-kernel@...ts.infradead.org, Will Deacon <will@...nel.org>
Subject: Re: [PATCH 7/8] membarrier: Remove arm (32) support for SYNC_CORE

"Russell King (Oracle)" <linux@...linux.org.uk> writes:

> So it seems to come down to a question about CNS3xxx and OXNAS. If
> these aren't being used, maybe we can drop ARM11MPCore support and
> the associated platforms?

Well, it appears we haven't updated software on our Gateworks Lagunas
(CNS3xxx dual core) for 4 years. This is old stuff, pre-DTB and all. We
have replacement setups (i.MX6 + mPCIe to mPCI bridge) which we don't
use either (due to lack of interest in mPCI - the old parallel, not the
express).

I don't have a problem with the CNS3xxx being dropped. In fact, we don't
use anything (ARM) older than v7 here.

Chris.

-- 
Krzysztof Hałasa

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