From: Borislav Petkov <bp@alien8.de>
To: Sean Christopherson <seanjc@google.com>
Cc: Ashish Kalra <ashish.kalra@amd.com>,
Steve Rutherford <srutherford@google.com>,
pbonzini@redhat.com, tglx@linutronix.de, mingo@redhat.com,
hpa@zytor.com, joro@8bytes.org, thomas.lendacky@amd.com,
x86@kernel.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, brijesh.singh@amd.com,
dovmurik@linux.ibm.com, tobin@linux.ibm.com, jejb@linux.ibm.com,
dgilbert@redhat.com
Subject: Re: [PATCH v6 1/5] x86/kvm: Add AMD SEV specific Hypercall3
Date: Tue, 21 Sep 2021 16:51:23 +0200 [thread overview]
Message-ID: <YUnxa2gy4DzEI2uY@zn.tnic> (raw)
In-Reply-To: <YUnjEU+1icuihmbR@google.com>
On Tue, Sep 21, 2021 at 01:50:09PM +0000, Sean Christopherson wrote:
> apply_alternatives() is a generic helper that can work on any struct alt_instr
> array, e.g. KVM_HYPERCALL can put its alternative into a different section that's
> patched as soon as the VMM is identified.
Where exactly in the boot process you wanna move it?
As Ashish says, you need the boot_cpu_data bits properly set before it
runs.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2021-09-21 14:51 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-24 11:03 [PATCH v6 0/5] Add Guest API & Guest Kernel support for SEV live migration Ashish Kalra
2021-08-24 11:04 ` [PATCH v6 1/5] x86/kvm: Add AMD SEV specific Hypercall3 Ashish Kalra
2021-09-16 1:15 ` Steve Rutherford
2021-09-20 16:07 ` Sean Christopherson
2021-09-21 9:58 ` Ashish Kalra
2021-09-21 13:50 ` Sean Christopherson
2021-09-21 14:51 ` Borislav Petkov [this message]
2021-09-21 16:07 ` Sean Christopherson
2021-09-22 9:38 ` Borislav Petkov
2021-09-22 12:10 ` Ashish Kalra
2021-09-22 13:54 ` Borislav Petkov
2021-09-28 19:05 ` Steve Rutherford
2021-09-28 19:26 ` Kalra, Ashish
2021-09-29 11:44 ` Borislav Petkov
2021-10-26 20:48 ` Ashish Kalra
2021-11-10 19:38 ` Steve Rutherford
2021-11-10 22:11 ` Paolo Bonzini
2021-11-10 22:42 ` Borislav Petkov
2021-08-24 11:05 ` [PATCH v6 2/5] mm: x86: Invoke hypercall when page encryption status is changed Ashish Kalra
2021-08-24 11:06 ` [PATCH v6 3/5] EFI: Introduce the new AMD Memory Encryption GUID Ashish Kalra
2021-08-24 11:07 ` [PATCH v6 4/5] x86/kvm: Add guest support for detecting and enabling SEV Live Migration feature Ashish Kalra
2021-08-24 11:07 ` [PATCH v6 5/5] x86/kvm: Add kexec support for SEV Live Migration Ashish Kalra
2021-11-11 12:43 ` [PATCH v6 0/5] Add Guest API & Guest Kernel support for SEV live migration Paolo Bonzini
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