linux-kernel - Re: [PATCH qemu v2] x86: don't let decompressed kernel image clobber setup

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Message-ID: <Y69fUstLKNv/RLd7@zx2c4.com>
Date:   Fri, 30 Dec 2022 22:59:46 +0100
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     pbonzini@...hat.com, ebiggers@...nel.org, x86@...nel.org,
        linux-kernel@...r.kernel.org, qemu-devel@...gnu.org,
        ardb@...nel.org, kraxel@...hat.com, hpa@...or.com, bp@...en8.de,
        philmd@...aro.org
Subject: Re: [PATCH qemu v2] x86: don't let decompressed kernel image clobber
 setup_data

On Fri, Dec 30, 2022 at 07:38:19PM +0100, Jason A. Donenfeld wrote:
> The microvm machine has a gross hack where it fiddles with fw_cfg data
> after the fact. So this hack is updated to account for this appending,
> by reserving some bytes.

This is a little derpy. I'll send a v3 in a second to clean this up.