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 for kexec@lists.infradead.org; Mon, 21 Jan 2019 09:19:57 +0000
Date: Mon, 21 Jan 2019 10:19:50 +0100
From: Borislav Petkov <bp@alien8.de>
Subject: Re: [PATCH v2 2/2] x86, kexec_file_load: make it work with
 efi=noruntime or efi=old_map
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To: Chao Fan <fanc.fnst@cn.fujitsu.com>
Cc: rafael.j.wysocki@intel.com, Kairui Song <kasong@redhat.com>, Baoquan He <bhe@redhat.com>, erik.schmauss@intel.com, x86@kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, robert.moore@intel.com, mingo@redhat.com, hpa@zytor.com, tglx@linutronix.de, Dave Young <dyoung@redhat.com>, akpm@linux-foundation.org, Len Brown <lenb@kernel.org>

On Mon, Jan 21, 2019 at 04:43:52PM +0800, Chao Fan wrote:
> Since I didn't see where Xen to fill the value, if
> boot_params->acpi_rsdp_addr is filled before my code, I just need to
> read it. If when I try to read it but not found, then parse RSDP and
> fill the RSDP address to boot_params->acpi_rsdp_addr.

And you can't simply do:

	if (boot_params.acpi_rsdp_addr)
		return;

at the beginning of that function?

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.

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