From: David Vrabel <david.vrabel@citrix.com>
To: Daniel Kiper <dkiper@net-space.pl>
Cc: Keir Fraser <keir@xen.org>, Jan Beulich <jbeulich@suse.com>,
xen-devel@lists.xen.org
Subject: Re: [PATCHv9 0/9] Xen: extend kexec hypercall for use with pv-ops kernels
Date: Wed, 9 Oct 2013 17:03:22 +0100 [thread overview]
Message-ID: <52557E4A.2000500@citrix.com> (raw)
In-Reply-To: <20131009152616.GB30387@router-fw-old.local.net-space.pl>
On 09/10/13 16:26, Daniel Kiper wrote:
> On Tue, Oct 08, 2013 at 05:55:01PM +0100, David Vrabel wrote:
>> The series (for Xen 4.4) improves the kexec hypercall by making
>> Xen responsible for loading and relocating the image. This allows
>> kexec to be usable by pv-ops kernels and should allow kexec to be
>> usable from a HVM or PVH privileged domain.
>
> As I can see you taken some sugestions into account. Thanks. But...
> Why did not you send this patch series to kexec@lists.infradead.org
> and my Oracle address?
I reckoned that the kexec list subscribers were sick of this Xen-only
series by now. Omitting your Cc was accidental, sorry.
> Why did not you implemented kexec hypercall function to get info about
> loaded images?
Because it is not needed.
> What about setting GPRs to known value (e.g. 0 like in Linux Kernel)
> before jumping into purgatory?
I have (repeatedly) explained why and you have not provided a sensible
reason why they should be zeroed.
> By the way, you do not need to save and restore %rdi, %rsi and %rbx
> in relocate_pages() in xen/arch/x86/x86_64/kexec_reloc.S.
This is done so relocate_pages() behaves like a proper function with the
standard calling convention.
David
next prev parent reply other threads:[~2013-10-09 16:03 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-08 16:55 [PATCHv9 0/9] Xen: extend kexec hypercall for use with pv-ops kernels David Vrabel
2013-10-08 16:55 ` [PATCH 1/9] x86: give FIX_EFI_MPF its own fixmap entry David Vrabel
2013-10-08 16:55 ` [PATCH 2/9] kexec: add public interface for improved load/unload sub-ops David Vrabel
2013-10-08 16:55 ` [PATCH 3/9] kexec: add infrastructure for handling kexec images David Vrabel
2013-11-05 22:39 ` Don Slutz
2013-11-06 8:12 ` Jan Beulich
2013-10-08 16:55 ` [PATCH 4/9] kexec: extend hypercall with improved load/unload ops David Vrabel
2013-11-05 22:43 ` Don Slutz
2013-10-08 16:55 ` [PATCH 5/9] xen: kexec crash image when dom0 crashes David Vrabel
2013-10-08 16:55 ` [PATCH 6/9] libxc: add hypercall buffer arrays David Vrabel
2013-10-08 16:55 ` [PATCH 7/9] libxc: add API for kexec hypercall David Vrabel
2013-10-08 16:55 ` [PATCH 8/9] x86: check kexec relocation code fits in a page David Vrabel
2013-10-08 16:55 ` [PATCH 9/9] MAINTAINERS: Add KEXEC maintainer David Vrabel
2013-10-08 17:03 ` [PATCHv9 0/9] Xen: extend kexec hypercall for use with pv-ops kernels Andrew Cooper
2013-10-09 15:26 ` Daniel Kiper
2013-10-09 15:52 ` Andrew Cooper
2013-10-09 16:03 ` David Vrabel [this message]
2013-10-10 15:45 ` Daniel Kiper
2013-10-10 16:35 ` David Vrabel
2013-10-10 21:24 ` Daniel Kiper
2013-10-11 6:49 ` Jan Beulich
2013-10-11 8:58 ` Daniel Kiper
2013-10-11 9:56 ` David Vrabel
2013-10-11 11:15 ` Daniel Kiper
2013-10-11 14:06 ` David Vrabel
2013-10-14 13:53 ` Daniel Kiper
2013-10-14 14:14 ` David Vrabel
2013-10-14 18:13 ` Daniel Kiper
2013-10-16 21:09 ` Daniel Kiper
2013-11-14 11:20 ` Daniel Kiper
2013-11-14 11:27 ` David Vrabel
2013-10-18 18:40 ` Daniel Kiper
2013-10-18 23:14 ` David Vrabel
2013-10-21 12:19 ` Daniel Kiper
2013-10-21 12:56 ` David Vrabel
2013-10-21 20:20 ` Daniel Kiper
2013-10-25 9:13 ` Daniel Kiper
2013-10-25 23:04 ` David Vrabel
2013-10-30 16:57 ` David Vrabel
2013-10-31 16:59 ` Don Slutz
2013-10-31 18:30 ` David Vrabel
2013-10-31 20:23 ` Don Slutz
2013-10-31 22:21 ` Daniel Kiper
2013-11-05 17:41 ` Daniel Kiper
2013-11-05 18:01 ` David Vrabel
2013-10-18 23:42 ` Andrew Cooper
2013-10-21 3:11 ` Xu, YongweiX
2013-10-21 10:21 ` David Vrabel
2013-10-21 12:26 ` David Vrabel
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