linux-kernel - Re: [PATCH v6 8/8] x86/microcode/AMD: Don't scan past the CPU equivalence table data

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Message-ID: <20180618164434.GC24921@zn.tnic>
Date:   Mon, 18 Jun 2018 18:44:34 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     "Maciej S. Szmigiero" <mail@...iej.szmigiero.name>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 8/8] x86/microcode/AMD: Don't scan past the CPU
 equivalence table data

On Tue, Jun 12, 2018 at 11:08:31PM +0200, Maciej S. Szmigiero wrote:
> That was the solution before this patch series version (6) - there was
> a variable holding the CPU equivalence table size for the late loader,
> but you didn't like it:> Instead of adding yet another global var which needs handling too,
> > and touching so many places, just do all checks and preparations in
> > install_equiv_cpu_table() so that the rest of the code can get what it
> > expects: terminating zero entry and proper size.

So what's wrong with computing the size in the late loader just like you
do in parse_container()?

-- 
Regards/Gruss,
    Boris.

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