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Date: Tue, 14 Dec 2021 20:10:16 +0100
From: Borislav Petkov <bp@alien8.de>
To: Venu Busireddy <venu.busireddy@oracle.com>
Cc: Brijesh Singh <brijesh.singh@amd.com>, x86@kernel.org,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	linux-efi@vger.kernel.org, platform-driver-x86@vger.kernel.org,
	linux-coco@lists.linux.dev, linux-mm@kvack.org,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Joerg Roedel <jroedel@suse.de>,
	Tom Lendacky <thomas.lendacky@amd.com>,
	"H. Peter Anvin" <hpa@zytor.com>, Ard Biesheuvel <ardb@kernel.org>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Sean Christopherson <seanjc@google.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	Jim Mattson <jmattson@google.com>,
	Andy Lutomirski <luto@kernel.org>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Sergio Lopez <slp@redhat.com>, Peter Gonda <pgonda@google.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
	David Rientjes <rientjes@google.com>,
	Dov Murik <dovmurik@linux.ibm.com>,
	Tobin Feldman-Fitzthum <tobin@ibm.com>,
	Michael Roth <michael.roth@amd.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	"Kirill A . Shutemov" <kirill@shutemov.name>,
	Andi Kleen <ak@linux.intel.com>,
	"Dr . David Alan Gilbert" <dgilbert@redhat.com>,
	tony.luck@intel.com, marcorr@google.com,
	sathyanarayanan.kuppuswamy@linux.intel.com
Subject: Re: [PATCH v8 01/40] x86/compressed/64: detect/setup SEV/SME
 features earlier in boot
Message-ID: <YbjsGHSUUwomjbpc@zn.tnic>
References: <20211210154332.11526-1-brijesh.singh@amd.com>
 <20211210154332.11526-2-brijesh.singh@amd.com>
 <YbeaX+FViak2mgHO@dt>
 <YbecS4Py2hAPBrTD@zn.tnic>
 <YbjYZtXlbRdUznUO@dt>
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In-Reply-To: <YbjYZtXlbRdUznUO@dt>

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