linux-kernel - Re: [PATCH 2/3] xen: eliminate scalability issues from initrd handling

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Date:	Thu, 04 Sep 2014 15:29:11 +0100
From:	"Jan Beulich" <JBeulich@...e.com>
To:	"David Vrabel" <david.vrabel@...rix.com>
Cc:	<xen-devel@...ts.xensource.com>, <boris.ostrovsky@...cle.com>,
	<konrad.wilk@...cle.com>, "Juergen Gross" <JGross@...e.com>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] xen: eliminate scalability issues from initrd
 handling

>>> On 04.09.14 at 14:52, <david.vrabel@...rix.com> wrote:
> On 04/09/14 13:38, Juergen Gross wrote:
>> --- a/arch/x86/xen/xen-head.S
>> +++ b/arch/x86/xen/xen-head.S
>> @@ -124,6 +124,9 @@ NEXT_HYPERCALL(arch_6)
>>  	ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID,
>>  		.quad _PAGE_PRESENT; .quad _PAGE_PRESENT)
>>  	ELFNOTE(Xen, XEN_ELFNOTE_SUSPEND_CANCEL, .long 1)
>> +#ifdef CONFIG_X86_64
>> +	ELFNOTE(Xen, XEN_ELFNOTE_MOD_START_PFN,  .long 1)
>> +#endif
> 
> Why X86_64 only?  If there's a good reason the commit message needs to
> explain why.

Does native 32-bit support huge initrd?

Jan

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