Re: [PATCH v2 2/3] KVM: x86: Move pkru save/restore to x86.c

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To: Babu Moger <babu.moger@xxxxxxx>, Jim Mattson <jmattson@xxxxxxxxxx>
Subject: Re: [PATCH v2 2/3] KVM: x86: Move pkru save/restore to x86.c
From: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Date: Mon, 11 May 2020 15:57:35 +0200
Cc: Jonathan Corbet <corbet@xxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, "H . Peter Anvin" <hpa@xxxxxxxxx>, Sean Christopherson <sean.j.christopherson@xxxxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>, Wanpeng Li <wanpengli@xxxxxxxxxxx>, Joerg Roedel <joro@xxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, mchehab+samsung@xxxxxxxxxx, changbin.du@xxxxxxxxx, Nadav Amit <namit@xxxxxxxxxx>, Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>, yang.shi@xxxxxxxxxxxxxxxxx, asteinhauser@xxxxxxxxxx, anshuman.khandual@xxxxxxx, Jan Kiszka <jan.kiszka@xxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, steven.price@xxxxxxx, rppt@xxxxxxxxxxxxxxxxxx, peterx@xxxxxxxxxx, Dan Williams <dan.j.williams@xxxxxxxxx>, arjunroy@xxxxxxxxxx, logang@xxxxxxxxxxxx, Thomas Hellstrom <thellstrom@xxxxxxxxxx>, Andrea Arcangeli <aarcange@xxxxxxxxxx>, justin.he@xxxxxxx, robin.murphy@xxxxxxx, ira.weiny@xxxxxxxxx, Kees Cook <keescook@xxxxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, pawan.kumar.gupta@xxxxxxxxxxxxxxx, "Yu, Fenghua" <fenghua.yu@xxxxxxxxx>, vineela.tummalapalli@xxxxxxxxx, yamada.masahiro@xxxxxxxxxxxxx, sam@xxxxxxxxxxxx, acme@xxxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx, LKML <linux-kernel@xxxxxxxxxxxxxxx>, kvm list <kvm@xxxxxxxxxxxxxxx>
In-reply-to: <6bdf365d-f283-d26c-2465-2be28d7b55bf@amd.com>
References: <158897190718.22378.3974700869904223395.stgit@naples-babu.amd.com> <158897219574.22378.9077333868984828038.stgit@naples-babu.amd.com> <CALMp9eQj_aFcqR+v9SvFjKFxVjaHHzU44udcczJVqOR5vLQbWQ@mail.gmail.com> <90657d4b-cb2b-0678-fd9c-a281bb85fadf@redhat.com> <6bdf365d-f283-d26c-2465-2be28d7b55bf@amd.com>
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On 11/05/20 15:49, Babu Moger wrote:
>> You're right.  The bug was preexistent, but we should fix it in 5.7 and
>> stable as well.
> Paolo, Do you want me to send this fix separately? Or I will send v3 just
> adding this fix. Thanks
> 

Yes, please do.

Paolo

References:
- [PATCH v2 0/3] arch/x86: Enable MPK feature on AMD
  - From: Babu Moger
- [PATCH v2 2/3] KVM: x86: Move pkru save/restore to x86.c
  - From: Babu Moger
- Re: [PATCH v2 2/3] KVM: x86: Move pkru save/restore to x86.c
  - From: Jim Mattson
- Re: [PATCH v2 2/3] KVM: x86: Move pkru save/restore to x86.c
  - From: Paolo Bonzini
- Re: [PATCH v2 2/3] KVM: x86: Move pkru save/restore to x86.c
  - From: Babu Moger

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