Re: [PATCH 1/2] Revert "MIPS: kernel: {ftrace,kgdb}: Set correct address limit for cache flushes"

From: Thomas Bogendoerfer
Date: Wed Feb 10 2021 - 16:31:30 EST


On Wed, Feb 10, 2021 at 07:11:00PM +0000, Christoph Hellwig wrote:
> On Wed, Feb 10, 2021 at 05:16:13PM +0100, Thomas Bogendoerfer wrote:
> > This reverts commit 6ebda44f366478d1eea180d93154e7d97b591f50.
> >
> > All icache flushes in this code paths are done via flush_icache_range(),
> > which only uses normal cache instruction. And this is the correct thing
> > for EVA mode, too. So no need to do set_fs(KERNEL_DS) here.
> >
> > Signed-off-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
>
> Looks good,
>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
>
> ... it might be time to kill off the remaining set_fs() users in mips
> code as well ...

I already have patches for that. Still needs some cleaning and testing
before sending/applying it.

Thomas.

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