linux-kernel - Re: [f2fs-dev] [PATCH v7 0/3] Update to zstd-1.4.6

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Message-ID: <20201217012337.GA24705@qmqm.qmqm.pl>
Date:   Thu, 17 Dec 2020 02:23:38 +0100
From:   Michał Mirosław <mirq-linux@...e.qmqm.pl>
To:     Nick Terrell <terrelln@...com>
Cc:     David Sterba <dsterba@...e.cz>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Eric Biggers <ebiggers@...nel.org>,
        Nick Terrell <nickrterrell@...il.com>,
        "squashfs-devel@...ts.sourceforge.net" 
        <squashfs-devel@...ts.sourceforge.net>,
        Christoph Hellwig <hch@...radead.org>,
        Yann Collet <cyan@...com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-f2fs-devel@...ts.sourceforge.net" 
        <linux-f2fs-devel@...ts.sourceforge.net>,
        Petr Malat <oss@...at.biz>, Chris Mason <clm@...com>,
        "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
        Kernel Team <Kernel-team@...com>,
        Niket Agarwal <niketa@...com>,
        Btrfs BTRFS <linux-btrfs@...r.kernel.org>,
        Johannes Weiner <jweiner@...com>
Subject: Re: [f2fs-dev] [PATCH v7 0/3] Update to zstd-1.4.6

On Wed, Dec 16, 2020 at 10:07:38PM +0000, Nick Terrell wrote:
[...]
> It is very large. If it helps, in the commit message I’ve provided this link [0],
> which provides the diff between upstream zstd as-is and the imported zstd,
> which has been modified by the automated tooling to work in the kernel.
> [0] https://github.com/terrelln/linux/commit/ac2ee65dcb7318afe426ad08f6a844faf3aebb41

I looks like you could remove a bit more dead code by noting __GNUC__ >= 4
(gcc-4.9 is currently the oldest supported [1]).

[1] Documentation/process/changes.rst

Best Regards
Michał Mirosław