linux-kernel - Re: [RFC PATCH 03/67] x86/cpu: Move get_builtin_firmware() common code (from microcode only)

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Message-ID: <X8VFm5kYnYFTAOMc@google.com>
Date:   Mon, 30 Nov 2020 19:18:51 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Andy Lutomirski <luto@...nel.org>, isaku.yamahata@...el.com,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H . Peter Anvin" <hpa@...or.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        isaku.yamahata@...il.com, Zhang Chen <chen.zhang@...el.com>,
        Kai Huang <kai.huang@...ux.intel.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>
Subject: Re: [RFC PATCH 03/67] x86/cpu: Move get_builtin_firmware() common
 code (from microcode only)

On Thu, Nov 26, 2020, Borislav Petkov wrote:
> On Thu, Nov 26, 2020 at 12:18:12AM +0000, Sean Christopherson wrote:
> > The SEAM module needs to be loaded during early boot, it can't be
> > deferred to a module, at least not without a lot more blood, sweat,
> > and tears.
> 
> Are you also planning to support builtin seam or only thru initrd loading?

Yep, both built-in and initrd are supported.

> In any case, this commit message needs to state intentions not me having
> to plow all the way up to patch 62.

Yeah, most of the changelogs are in terrible shape.  This first RFC was intended
to get feedback on high level things like code organization and the KVM
shenanigans for VMX and TDX coexistence.