From: David Vrabel <david.vrabel@citrix.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: "kexec@lists.infradead.org" <kexec@lists.infradead.org>,
Daniel Kiper <daniel.kiper@oracle.com>,
Ian Jackson <Ian.Jackson@eu.citrix.com>,
Ian Campbell <Ian.Campbell@citrix.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: [Xen-devel] [PATCH 1/8] x86: give FIX_EFI_MPF its own fixmap entry
Date: Tue, 9 Apr 2013 17:15:02 +0100 [thread overview]
Message-ID: <51643E86.7060707@citrix.com> (raw)
In-Reply-To: <5163DEE802000078000CB98B@nat28.tlf.novell.com>
On 09/04/13 08:27, Jan Beulich wrote:
>>>> On 08.04.13 at 20:59, David Vrabel <david.vrabel@citrix.com> wrote:
>> FIX_EFI_MPF was the same as FIX_KEXEC_BASE_0 which is going away. So
>> add its own entry.
>
> To be honest, no matter how small the wastage, I'd prefer reusing
> another entry over creating a new one. FIX_TBOOT_MAP_ADDRESS
> seems like a reasonable fit (which we also don't have to expect to
> go away, unless tboot support would get ripped out altogether).
> This is not the least because sane UEFI systems aren't expected to
> have MPS tables anyway (i.e. the entry, if separate, would likely
> _never_ be used in reality), it's just that the specification allows for
> it.
This patch added one entry and patch 5 removes 68 entries so this series
is a big gain as is. It doesn't seem productive to further improve this
at this time.
David
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next prev parent reply other threads:[~2013-04-09 16:15 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-08 18:59 [PATCHv3 0/8] kexec: extend kexec hypercall for use with pv-ops kernels David Vrabel
2013-04-08 18:59 ` [PATCH 1/8] x86: give FIX_EFI_MPF its own fixmap entry David Vrabel
2013-04-09 7:27 ` [Xen-devel] " Jan Beulich
2013-04-09 16:15 ` David Vrabel [this message]
2013-04-08 18:59 ` [PATCH 2/8] xen: make GUEST_HANDLE_64() and uint64_aligned_t available everywhere David Vrabel
2013-04-08 18:59 ` [PATCH 3/8] kexec: add public interface for improved load/unload sub-ops David Vrabel
2013-04-09 7:32 ` [Xen-devel] " Jan Beulich
2013-04-12 11:56 ` David Vrabel
2013-04-12 13:01 ` Jan Beulich
2013-04-08 18:59 ` [PATCH 4/8] kexec: add infrastructure for handling kexec images David Vrabel
2013-04-09 7:44 ` [Xen-devel] " Jan Beulich
2013-04-09 16:17 ` David Vrabel
2013-04-10 8:36 ` Jan Beulich
2013-04-08 18:59 ` [PATCH 5/8] kexec: extend hypercall with improved load/unload ops David Vrabel
2013-04-09 21:02 ` Daniel Kiper
2013-04-15 18:58 ` David Vrabel
2013-04-16 12:05 ` Daniel Kiper
2013-04-16 14:57 ` David Vrabel
2013-04-08 18:59 ` [PATCH 6/8] xen: kexec crash image when dom0 crashes David Vrabel
2013-04-09 21:11 ` Daniel Kiper
2013-04-08 18:59 ` [PATCH 7/8] libxc: add hypercall buffer arrays David Vrabel
2013-04-08 18:59 ` [PATCH 8/8] libxc: add API for kexec hypercall David Vrabel
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