linux-kernel - Re: [PATCH 1/2] x86/xen: use clear

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Message-ID: <b85e6530-da44-3287-f3b9-51cd4f3116b7@suse.com>
Date:   Thu, 23 Jun 2022 09:59:32 +0200
From:   Jan Beulich <jbeulich@...e.com>
To:     Juergen Gross <jgross@...e.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        xen-devel@...ts.xenproject.org, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] x86/xen: use clear_bss() for Xen PV guests

On 22.06.2022 18:10, Juergen Gross wrote:
> Instead of clearing the bss area in assembly code, use the clear_bss()
> function.
> 
> This requires to pass the start_info address as parameter to
> xen_start_kernel() in order to avoid the xen_start_info being zeroed
> again.
> 
> Signed-off-by: Juergen Gross <jgross@...e.com>

Reviewed-by: Jan Beulich <jbeulich@...e.com>