From: Juergen Gross <jgross@suse.com>
To: David Vrabel <david.vrabel@citrix.com>, Jan Beulich <JBeulich@suse.com>
Cc: boris.ostrovsky@oracle.com, xen-devel@lists.xensource.com,
linux-kernel@vger.kernel.org
Subject: Re: [Xen-devel] [PATCH 2/3] xen: eliminate scalability issues from initrd handling
Date: Fri, 05 Sep 2014 10:04:26 +0200 [thread overview]
Message-ID: <54096E8A.6010904@suse.com> (raw)
In-Reply-To: <54087CE3.6020400@citrix.com>
On 09/04/2014 04:53 PM, David Vrabel wrote:
> On 04/09/14 15:29, Jan Beulich wrote:
>>>>> On 04.09.14 at 14:52, <david.vrabel@citrix.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?
>
> Does that matter? If the MOD_START_PFN options works with a 32-bit guest
> then it should use it, regardless of whether it is essential or not.
> Because this reduces the #ifdef'ery.
Okay, I'll verify it's working on 32-bit, too.
Juergen
next prev parent reply other threads:[~2014-09-05 8:04 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-04 12:38 [PATCH 0/3] xen: remove memory limits from pv-domains Juergen Gross
2014-09-04 12:38 ` [PATCH 1/3] xen: sync some headers with xen tree Juergen Gross
2014-09-04 12:52 ` Jan Beulich
2014-09-04 12:52 ` Jan Beulich
2014-09-05 8:06 ` Juergen Gross
2014-09-04 12:38 ` [PATCH 2/3] xen: eliminate scalability issues from initrd handling Juergen Gross
2014-09-04 12:52 ` David Vrabel
2014-09-04 12:52 ` David Vrabel
2014-09-04 14:29 ` Jan Beulich
2014-09-04 14:29 ` Jan Beulich
2014-09-04 14:53 ` [Xen-devel] " David Vrabel
2014-09-04 14:53 ` David Vrabel
2014-09-05 8:04 ` Juergen Gross [this message]
2014-09-04 12:38 ` [PATCH 3/3] xen: eliminate scalability issues from initial mapping setup Juergen Gross
2014-09-04 12:59 ` David Vrabel
2014-09-04 12:59 ` David Vrabel
2014-09-04 13:02 ` [Xen-devel] " Andrew Cooper
2014-09-04 13:02 ` Andrew Cooper
2014-09-04 14:31 ` Jan Beulich
2014-09-04 14:31 ` Jan Beulich
2014-09-04 14:43 ` Andrew Cooper
2014-09-04 14:43 ` Andrew Cooper
2014-09-05 7:55 ` Juergen Gross
2014-09-05 9:05 ` Andrew Cooper
2014-09-05 9:05 ` Andrew Cooper
2014-09-05 9:44 ` Juergen Gross
2014-09-04 15:13 ` David Vrabel
2014-09-04 15:13 ` David Vrabel
2014-09-05 8:03 ` Juergen Gross
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