From: Greg KH <gregkh@linuxfoundation.org>
To: Jason Andryuk <jandryuk@gmail.com>
Cc: stable@vger.kernel.org, Juergen Gross <jgross@suse.com>,
Borislav Petkov <bp@alien8.de>,
Christian Kujau <lists@nerdbynature.de>
Subject: Re: Request: x86/mtrr: Revert 90b926e68f50 ("x86/pat: Fix pat_x_mtrr_type() for MTRR disabled case")
Date: Mon, 5 Jun 2023 21:48:23 +0200 [thread overview]
Message-ID: <2023060513-self-ditch-57f5@gregkh> (raw)
In-Reply-To: <CAKf6xptzGSq5xUhbFDVB-vR0WfhDWnqXRY3UYYG4DvUakNR1AQ@mail.gmail.com>
On Mon, Jun 05, 2023 at 09:56:24AM -0400, Jason Andryuk wrote:
> x86/mtrr: Revert 90b926e68f50 ("x86/pat: Fix pat_x_mtrr_type() for
> MTRR disabled case")
>
> commit f9f57da2c2d119dbf109e3f6e1ceab7659294046 upstream
>
> The requested patch fixes ioremap for certain devices when running as
> a Xen Dom0. Without the patch, one example is TPM device probing
> failing with:
> tpm_tis IFX:00: ioremap failed for resource
>
> The requested patch did not include a Fixes tag, but it was intended
> as a fix to upstream 90b926e68f500844dff16b5bcea178dc55cf580a, which
> was subsequently backported to 6.1 as
> c1c59538337ab6d45700cb4a1c9725e67f59bc6e. The requested patch being a
> fix can be seen in the thread here:
> https://lore.kernel.org/lkml/167636735608.4906.4788207020350311572.tip-bot2@tip-bot2/
>
> I think it's only applicable to 6.1
Now queued up, thanks.
greg k-h
prev parent reply other threads:[~2023-06-05 19:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-05 13:56 Request: x86/mtrr: Revert 90b926e68f50 ("x86/pat: Fix pat_x_mtrr_type() for MTRR disabled case") Jason Andryuk
2023-06-05 19:48 ` Greg KH [this message]
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