RE: [PATCH AUTOSEL 6.1 3/7] x86/hyperv: Use slow_virt_to_phys() in page transition hypervisor callback

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Subject: RE: [PATCH AUTOSEL 6.1 3/7] x86/hyperv: Use slow_virt_to_phys() in page transition hypervisor callback
From: Michael Kelley <mhklinux@xxxxxxxxxxx>
Date: Tue, 12 Mar 2024 20:53:30 +0000
Accept-language: en-US
Cc: "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "stable@xxxxxxxxxxxxxxx" <stable@xxxxxxxxxxxxxxx>, "Kirill A . Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>, Rick Edgecombe <rick.p.edgecombe@xxxxxxxxx>, Wei Liu <wei.liu@xxxxxxxxxx>, "kys@xxxxxxxxxxxxx" <kys@xxxxxxxxxxxxx>, "haiyangz@xxxxxxxxxxxxx" <haiyangz@xxxxxxxxxxxxx>, "sthemmin@xxxxxxxxxxxxx" <sthemmin@xxxxxxxxxxxxx>, "tglx@xxxxxxxxxxxxx" <tglx@xxxxxxxxxxxxx>, "mingo@xxxxxxxxxx" <mingo@xxxxxxxxxx>, "bp@xxxxxxxxx" <bp@xxxxxxxxx>, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>, "dave.hansen@xxxxxxxxxxxxxxx" <dave.hansen@xxxxxxxxxxxxxxx>, "luto@xxxxxxxxxx" <luto@xxxxxxxxxx>, "peterz@xxxxxxxxxxxxx" <peterz@xxxxxxxxxxxxx>, "devel@xxxxxxxxxxxxxxxxxxxxxx" <devel@xxxxxxxxxxxxxxxxxxxxxx>
In-reply-to: <ZfC8j2eUP/139bSh@duo.ucw.cz>
Thread-index: AQHadLzVAkgWooNpOke57f1qHnLiFrE0lO2g
Thread-topic: [PATCH AUTOSEL 6.1 3/7] x86/hyperv: Use slow_virt_to_phys() in page transition hypervisor callback

From: Pavel Machek <pavel@xxxxxx> Sent: Tuesday, March 12, 2024 1:35 PM
> 
> > In preparation for temporarily marking pages not present during a
> > transition between encrypted and decrypted, use slow_virt_to_phys()
> > in the hypervisor callback. As long as the PFN is correct,
> 
> This seems to be preparation for something we don't plan to do in
> -stable. Please drop.
> 

As the author of the patch, I agree.

Michael

References:
- [PATCH AUTOSEL 6.1 1/7] arm64: tegra: Set the correct PHY mode for MGBE
  - From: Sasha Levin
- [PATCH AUTOSEL 6.1 3/7] x86/hyperv: Use slow_virt_to_phys() in page transition hypervisor callback
  - From: Sasha Levin
- Re: [PATCH AUTOSEL 6.1 3/7] x86/hyperv: Use slow_virt_to_phys() in page transition hypervisor callback
  - From: Pavel Machek

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