linux-kernel - Re: [PATCH 0/2] pci sysfs file iomem revoke support

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Date:   Mon, 8 Feb 2021 06:43:57 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Daniel Vetter <daniel.vetter@...ll.ch>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Kees Cook <keescook@...omium.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        John Hubbard <jhubbard@...dia.com>,
        Jérôme Glisse <jglisse@...hat.com>,
        Jan Kara <jack@...e.cz>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-mm@...ck.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-media@...r.kernel.org,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org
Subject: Re: [PATCH 0/2] pci sysfs file iomem revoke support

Hi Daniel,

On Thu,  4 Feb 2021 17:58:29 +0100 Daniel Vetter <daniel.vetter@...ll.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
qemu).

-- 
Cheers,
Stephen Rothwell

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