[OpenWrt-Devel] [RFC PATCH] kernel: drop MIPS: fix cache flushing for highmem pages

[Rosen Penev]

On Wed, Dec 19, 2018 at 9:54 AM Kevin 'ldir' Darbyshire-Bryant
<ldir at darbyshire-bryant.me.uk> wrote:
>
>
>
> > On 19 Dec 2018, at 09:57, Felix Fietkau <nbd at nbd.name> wrote:
> >
> > On 2018-12-18 17:43, Rosen Penev wrote:
> >>>
> >> I've tested removing the patch on a 512MB mt7621 device where HIGHMEM
> >> is used for the second 256MB. No issues.
> > I think to be on the safe side we should test running fuse (ntfs-3g or
> > sshfs or something similar) on such a device. If that doesn't turn up
> > any weird hangs or data corruption within a few minutes of use, I'm all
> > for dropping this patch.
> >
>
> Rosen, is that something you could take a closer look at with your 512MB device?
Just ran a sha256sum on a video file followed by a 10 minute dd read
of the whole drive(interrupted) followed by another sha256sum.

They check out. This was on an ntfs formatted drive mounted by ntfs-3g.
>
> Kevin

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