linux-kernel - Re: [PATCH 03/11] kernel/locks: consolidate RWSEM_GENERIC

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Message-ID: <d9aeeedd-ce72-f58f-d858-3e340c073414@redhat.com>
Date:   Thu, 14 Feb 2019 10:26:52 -0500
From:   Waiman Long <longman@...hat.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-kbuild <linux-kbuild@...r.kernel.org>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        linux-riscv@...ts.infradead.org,
        linux-s390 <linux-s390@...r.kernel.org>,
        linux-xtensa@...ux-xtensa.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux-Arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH 03/11] kernel/locks: consolidate RWSEM_GENERIC_* options

On 02/14/2019 05:52 AM, Geert Uytterhoeven wrote:
> On Thu, Feb 14, 2019 at 12:08 AM Christoph Hellwig <hch@....de> wrote:
>> Introduce one central definition of RWSEM_XCHGADD_ALGORITHM and
>> RWSEM_GENERIC_SPINLOCK in kernel/Kconfig.locks and let architectures
>> select RWSEM_XCHGADD_ALGORITHM if they want it, otherwise default to
>> the spinlock version.
>>
>> Signed-off-by: Christoph Hellwig <hch@....de>
> Note that this conflicts with "[PATCH v4 2/3] locking/rwsem: Remove
> rwsem-spinlock.c & use rwsem-xadd.c for all archs"
> https://lore.kernel.org/lkml/1550095217-12047-3-git-send-email-longman@redhat.com/
>
> Gr{oetje,eeting}s,
>
>                         Geert
>
Christoph,

Would you mind dropping just patch 3 from your series?

Thanks,
Longman