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Date:   Fri, 18 Jan 2019 11:26:36 +0100
From:   Borislav Petkov <bp@alien8.de>
To:     Kairui Song <kasong@redhat.com>
Cc:     linux-kernel@vger.kernel.org, tglx@linutronix.de, mingo@redhat.com,
        hpa@zytor.com, x86@kernel.org, Dave Young <dyoung@redhat.com>,
        Baoquan He <bhe@redhat.com>, kexec@lists.infradead.org,
        akpm@linux-foundation.org, robert.moore@intel.com,
        erik.schmauss@intel.com, rafael.j.wysocki@intel.com,
        Len Brown <lenb@kernel.org>,
        Chao Fan <fanc.fnst@cn.fujitsu.com>
Subject: Re: [PATCH v2 2/2] x86, kexec_file_load: make it work with
 efi=noruntime or efi=old_map
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On Thu, Jan 17, 2019 at 03:41:13PM +0800, Kairui Song wrote:
> How about we refill the boot_params.acpi_rsdp_addr if it is not valid
> in early code, so it could be used as a reliable RSDP address source?
> That should make things easier.
> 
> But if early code should parse it and store it should be done in
> Chao's patch, or I can post another patch to do it if Chao's patch is
> merged.

Chao's stuff does the as early as possible parsing of RDSP. Then, it
should be saved into boot_params and everything else should read it from
there. Simple.

-- 
Regards/Gruss,
    Boris.

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