linux-kernel - Re: [PATCH v2 4/4] compat: remove some compat entry points

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Date:   Tue, 8 Dec 2020 15:06:14 +0000
From:   Christoph Hellwig <hch@...radead.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Christoph Hellwig <hch@...radead.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Andy Lutomirski <luto@...nel.org>,
        Borislav Petkov <bp@...en8.de>,
        Brian Gerst <brgerst@...il.com>,
        Eric Biederman <ebiederm@...ssion.com>,
        Ingo Molnar <mingo@...nel.org>,
        "H . Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Linux-MM <linux-mm@...ck.org>, kexec@...ts.infradead.org
Subject: Re: [PATCH v2 4/4] compat: remove some compat entry points

On Tue, Nov 03, 2020 at 10:45:54AM +0100, Arnd Bergmann wrote:
> I had it there originally, I guess I should have left it there ;-)
> 
> When I changed it, I was considering to do the same for additional
> syscalls that have very small differences now (timer_create,
> rt_sigqueueinfo, rt_sigpending, recvmsg, sendmsg) and use
> in_compat_syscall() there, but then I decided against that.
> 
> In the end, I did like the split, as I found the smaller three
> patches that contain the real change easier to review, and
> it turns the larger patch at the end into a more obvious
> transformation.

Oh well, let's just keep the split as-is then.