[PATCH 0/2] pci sysfs file iomem revoke support

Stephen Rothwell sfr at canb.auug.org.au
Sun Feb 7 14:43:57 EST 2021

Hi Daniel,

On Thu,  4 Feb 2021 17:58:29 +0100 Daniel Vetter <daniel.vetter at ffwll.ch> wrote:
> Hi all,
> This is a revised version of patch 12 from my series to lock down some
> follow_pfn vs VM_SPECIAL races:
> https://lore.kernel.org/dri-devel/CAKwvOdnSrsnTgPEuQJyaOTSkTP2dR9208Y66HQG_h1e2LKfqtw@mail.gmail.com/
> Stephen reported an issue on HAVE_PCI_LEGACY platforms which this patch
> set tries to address. Previous patches are all still in linux-next.
> Stephen, would be awesome if you can give this a spin.

OK, I applied the 2 patches on top of next-20210205 and it no longer
panics for my simple boot test (PowerPC pseries_le_defconfig under

Stephen Rothwell
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