linux-kernel - Re: [PATCH] x86/boot: Use efi_setup_data for searching RSDP on kexec-ed kernels

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Message-ID: <20190416132253.GE31772@zn.tnic>
Date:   Tue, 16 Apr 2019 15:22:53 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Dave Young <dyoung@...hat.com>
Cc:     Junichi Nomura <j-nomura@...jp.nec.com>,
        Chao Fan <fanc.fnst@...fujitsu.com>,
        Baoquan He <bhe@...hat.com>, Kairui Song <kasong@...hat.com>,
        "x86@...nel.org" <x86@...nel.org>,
        "kexec@...ts.infradead.org" <kexec@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86/boot: Use efi_setup_data for searching RSDP on
 kexec-ed kernels

On Tue, Apr 16, 2019 at 07:41:33PM +0800, Dave Young wrote:
> On 04/16/19 at 11:52am, Borislav Petkov wrote:
> > I'll queue the below in the next days if there are no more complaints:
> 
> As for the kexec breakage, even with the V3 patch, kexec still hangs on
> a Lenovo T420 laptop.  Kairui also reproduced the problem. So can we
> wait a few days see if we can make some progress to find the cause?

How is applying this patch going to change anything?

I was told that the breakage is there even without it...

-- 
Regards/Gruss,
    Boris.

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