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Message-ID: <YbjsGHSUUwomjbpc@zn.tnic>
Date: Tue, 14 Dec 2021 20:10:16 +0100
From: Borislav Petkov <bp@...en8.de>
To: Venu Busireddy <venu.busireddy@...cle.com>
Cc: Brijesh Singh <brijesh.singh@....com>, x86@...nel.org,
linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
linux-efi@...r.kernel.org, platform-driver-x86@...r.kernel.org,
linux-coco@...ts.linux.dev, linux-mm@...ck.org,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, Joerg Roedel <jroedel@...e.de>,
Tom Lendacky <thomas.lendacky@....com>,
"H. Peter Anvin" <hpa@...or.com>, Ard Biesheuvel <ardb@...nel.org>,
Paolo Bonzini <pbonzini@...hat.com>,
Sean Christopherson <seanjc@...gle.com>,
Vitaly Kuznetsov <vkuznets@...hat.com>,
Jim Mattson <jmattson@...gle.com>,
Andy Lutomirski <luto@...nel.org>,
Dave Hansen <dave.hansen@...ux.intel.com>,
Sergio Lopez <slp@...hat.com>, Peter Gonda <pgonda@...gle.com>,
Peter Zijlstra <peterz@...radead.org>,
Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
David Rientjes <rientjes@...gle.com>,
Dov Murik <dovmurik@...ux.ibm.com>,
Tobin Feldman-Fitzthum <tobin@....com>,
Michael Roth <michael.roth@....com>,
Vlastimil Babka <vbabka@...e.cz>,
"Kirill A . Shutemov" <kirill@...temov.name>,
Andi Kleen <ak@...ux.intel.com>,
"Dr . David Alan Gilbert" <dgilbert@...hat.com>,
tony.luck@...el.com, marcorr@...gle.com,
sathyanarayanan.kuppuswamy@...ux.intel.com
Subject: Re: [PATCH v8 01/40] x86/compressed/64: detect/setup SEV/SME
features earlier in boot
On Tue, Dec 14, 2021 at 11:46:14AM -0600, Venu Busireddy wrote:
> What I am suggesting should not have anything to do with the boot stage
> of the kernel.
I know exactly what you're suggesting.
> For example, both these functions call native_cpuid(), which is declared
> as an inline function. I am merely suggesting to do something similar
> to avoid the code duplication.
Try it yourself. If you can come up with something halfway readable and
it builds, I'm willing to take a look.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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