linux-kernel - Re: [PATCH v4 2/3] x86/boot: Introduce the kernel_info.setup_type

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Message-ID: <20191104151609.k4qxlw4sbqvld357@tomti.i.net-space.pl>
Date:   Mon, 4 Nov 2019 16:16:09 +0100
From:   Daniel Kiper <daniel.kiper@...cle.com>
To:     "H. Peter Anvin" <hpa@...or.com>
Cc:     linux-efi@...r.kernel.org, linux-kernel@...r.kernel.org,
        x86@...nel.org, xen-devel@...ts.xenproject.org,
        ard.biesheuvel@...aro.org, boris.ostrovsky@...cle.com,
        bp@...en8.de, corbet@....net, dave.hansen@...ux.intel.com,
        luto@...nel.org, peterz@...radead.org, eric.snowberg@...cle.com,
        jgross@...e.com, kanth.ghatraju@...cle.com, konrad.wilk@...cle.com,
        mingo@...hat.com, rdunlap@...radead.org, ross.philipson@...cle.com,
        tglx@...utronix.de
Subject: Re: [PATCH v4 2/3] x86/boot: Introduce the kernel_info.setup_type_max

On Fri, Nov 01, 2019 at 01:55:57PM -0700, H. Peter Anvin wrote:
> On 2019-10-24 04:48, Daniel Kiper wrote:
> > This field contains maximal allowed type for setup_data.
> >
> > Now bump the setup_header version in arch/x86/boot/header.S.
>
> Please don't bump the protocol revision here, otherwise we would create
> a very odd pseudo-revision of the protocol: 2.15 without SETUP_INDIRECT
> support, should patch 3/3 end up getting reverted.
>
> (It is possible to detect, of course, but I feel pretty sure in saying
> that bootloaders won't get it right.)
>
> Other than that:
>
> Reviewed-by: H. Peter Anvin (Intel) <hpa@...or.com>

I have just sent v5. Please take a look.

Daniel