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From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Greg Ungerer <gerg@linux-m68k.org>,
	Michael Schmitz <schmitzmic@gmail.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	linux-m68k <linux-m68k@lists.linux-m68k.org>
Subject: Re: [PATCH 6/6] m68k: remove set_fs()
Date: Thu, 23 Sep 2021 16:48:41 +0200	[thread overview]
Message-ID: <CAMuHMdW0RUSt6FeFfy_g2jwLDDbm2a2TYD04Lt+mL2=Y04u4Bw@mail.gmail.com> (raw)
In-Reply-To: <20210916070405.52750-7-hch@lst.de>

On Thu, Sep 16, 2021 at 9:08 AM Christoph Hellwig <hch@lst.de> wrote:
> Add a m68k-only set_fc helper to set the SFC and DFC registers for the
> few places that need to override it for special MM operations, but
> disconnect that from the deprecated kernel-wide set_fs() API.
>
> Note that the SFC/DFC registers are context switched, so there is no need
> to disable preemption.
>
> Partially based on an earlier patch from
> Linus Torvalds <torvalds@linux-foundation.org>.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

  reply	other threads:[~2021-09-23 14:48 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-16  7:03 remove set_fs for m68k Christoph Hellwig
2021-09-16  7:04 ` [PATCH 1/6] m68k: document that access_ok is broken for !CONFIG_CPU_HAS_ADDRESS_SPACES Christoph Hellwig
2021-09-16  7:04 ` [PATCH 2/6] m68k: remove the 030 case in virt_to_phys_slow Christoph Hellwig
2021-09-16  7:04 ` [PATCH 3/6] m68k: use BUILD_BUG for passing invalid sizes to get_user/put_user Christoph Hellwig
2021-09-23 14:46   ` Geert Uytterhoeven
2021-09-16  7:04 ` [PATCH 4/6] m68k: factor the 8-byte lowlevel {get,put}_user code into helpers Christoph Hellwig
2021-09-23 14:47   ` Geert Uytterhoeven
2021-09-16  7:04 ` [PATCH 5/6] m68k: provide __{get,put}_kernel_nofault Christoph Hellwig
2021-09-23 14:47   ` Geert Uytterhoeven
2021-09-16  7:04 ` [PATCH 6/6] m68k: remove set_fs() Christoph Hellwig
2021-09-23 14:48   ` Geert Uytterhoeven [this message]
2021-09-17  5:40 ` remove set_fs for m68k Michael Schmitz
2021-09-23 14:52   ` Geert Uytterhoeven

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