linux-kernel - Re: [PATCH v2] x86/boot: Use efi_setup_data for searching RSDP on kexec-ed kernel

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Date:   Thu, 4 Apr 2019 09:02:38 +0800
From:   Chao Fan <fanc.fnst@...fujitsu.com>
To:     Borislav Petkov <bp@...en8.de>
CC:     Dave Young <dyoung@...hat.com>, "bhe@...hat.com" <bhe@...hat.com>,
        Junichi Nomura <j-nomura@...jp.nec.com>,
        "kasong@...hat.com" <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 v2] x86/boot: Use efi_setup_data for searching RSDP on
 kexec-ed kernel

On Wed, Apr 03, 2019 at 06:14:29PM +0200, Borislav Petkov wrote:
>On Wed, Apr 03, 2019 at 04:26:34PM +0800, Dave Young wrote:
>> Personally I would like to have a cmdline to bypass the early acpi code
>> because early code is hard to debug, if we have something weird happens
>> we can try to gate out these code, and then get some idea..
>
>No, this early crap better work on all machines by default.
>
>Also, Chao, are you telling me that you've only tested in a VM? Or

In VM, with all cases. In real machine, test boot and RSDP parsing,
not hotremove memory.

Thanks,
Chao Fan

>have you actually tested your code on an actual machine with memory
>hotremove?
>
>-- 
>Regards/Gruss,
>    Boris.
>
>Good mailing practices for 400: avoid top-posting and trim the reply.
>
>