Re: [PATCH v5 2/6] x86/sev-es: Make sure IRQs are disabled while GHCB is active

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Subject: Re: [PATCH v5 2/6] x86/sev-es: Make sure IRQs are disabled while GHCB is active
From: Borislav Petkov <bp@xxxxxxxxx>
Date: Mon, 14 Jun 2021 18:30:35 +0200
Cc: x86@xxxxxxxxxx, Joerg Roedel <jroedel@xxxxxxx>, hpa@xxxxxxxxx, Andy Lutomirski <luto@xxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Jiri Slaby <jslaby@xxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, Tom Lendacky <thomas.lendacky@xxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, David Rientjes <rientjes@xxxxxxxxxx>, Cfir Cohen <cfir@xxxxxxxxxx>, Erdem Aktas <erdemaktas@xxxxxxxxxx>, Masami Hiramatsu <mhiramat@xxxxxxxxxx>, Mike Stunes <mstunes@xxxxxxxxxx>, Sean Christopherson <seanjc@xxxxxxxxxx>, Martin Radev <martin.b.radev@xxxxxxxxx>, Arvind Sankar <nivedita@xxxxxxxxxxxx>, linux-coco@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
In-reply-to: <YMeC7vJxm0OVJJhr@zn.tnic>
References: <20210614135327.9921-1-joro@8bytes.org> <20210614135327.9921-3-joro@8bytes.org> <YMeC7vJxm0OVJJhr@zn.tnic>

On Mon, Jun 14, 2021 at 06:25:18PM +0200, Borislav Petkov wrote:
> ** underscored to mean, that callers need to disable local locks. There's
							     ^^^^^^

"interrupts" ofc.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette

References:
- [PATCH v5 0/6] x86/sev-es: Fixes for SEV-ES Guest Support
  - From: Joerg Roedel
- [PATCH v5 2/6] x86/sev-es: Make sure IRQs are disabled while GHCB is active
  - From: Joerg Roedel
- Re: [PATCH v5 2/6] x86/sev-es: Make sure IRQs are disabled while GHCB is active
  - From: Borislav Petkov

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