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Re: [PATCH 1/9] alpha: Convert mapping routine to rely on physical address
- To: Jason Gunthorpe <jgg@xxxxxxxxxx>
- From: Magnus Lindholm <linmag7@xxxxxxxxx>
- Date: Sun, 28 Sep 2025 12:23:48 +0200
- Cc: Leon Romanovsky <leon@xxxxxxxxxx>, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>, Andreas Larsson <andreas@xxxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Geoff Levand <geoff@xxxxxxxxxxxxx>, Helge Deller <deller@xxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, iommu@xxxxxxxxxxxxxxx, "James E.J. Bottomley" <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, Jason Wang <jasowang@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, linux-alpha@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linux-parisc@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, Madhavan Srinivasan <maddy@xxxxxxxxxxxxx>, Matt Turner <mattst88@xxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, "Michael S. Tsirkin" <mst@xxxxxxxxxx>, Richard Henderson <richard.henderson@xxxxxxxxxx>, sparclinux@xxxxxxxxxxxxxxx, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, virtualization@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Sun, 28 Sep 2025 10:24:22 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
> After reverting the above commits, I'm able to build a working kernel,
> that is, no filesystem corruption occurs. I'll take a closer look at this
> after the weekend.
>
Short update, It is enough to revert the following commits, in order to
have a working kernel on alpha:
e78a9d72517a88faa6f16dab4d1c6f966ed378ae
(dma-mapping: remove unused map_page callback)
d459e3b80ad1c81bf596d63d2e3347cf8c7bb0d9
(alpha: Convert mapping routine to rely on physical address)
/Magnus
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