From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: Daniel Kiper <daniel.kiper@oracle.com>,
Keir Fraser <keir@xen.org>,
David Vrabel <david.vrabel@citrix.com>,
xen-devel@lists.xen.org
Subject: Re: [PATCH 09/10] x86: check kexec relocation code fits in a page
Date: Tue, 25 Jun 2013 10:31:25 +0100 [thread overview]
Message-ID: <51C9636D.70703@citrix.com> (raw)
In-Reply-To: <51C9720702000078000E03A3@nat28.tlf.novell.com>
On 25/06/13 09:33, Jan Beulich wrote:
>>>> On 24.06.13 at 19:42, David Vrabel <david.vrabel@citrix.com> wrote:
>> --- a/xen/arch/x86/xen.lds.S
>> +++ b/xen/arch/x86/xen.lds.S
>> @@ -186,3 +186,7 @@ SECTIONS
>> .stab.indexstr 0 : { *(.stab.indexstr) }
>> .comment 0 : { *(.comment) }
>> }
>> +
>> +#ifdef CONFIG_KEXEC
>> +ASSERT(__kexec_reloc_size <= PAGE_SIZE, "kexec control code is too large")
>> +#endif
> I don't recall having seen a mechanism to disable CONFIG_KEXEC, so
> why the conditional?
>
> Jan
CONFIG_KEXEC exists in include/asm-x86/config.h, but it turns out not to
compile if you disable it.
I for one would not mind in the slightest if CONFIG_KEXEC disappeared.
~Andrew
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel
next prev parent reply other threads:[~2013-06-25 9:31 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-24 17:42 [PATCHv6 0/10] kexec: extend kexec hypercall for use with pv-ops kernels David Vrabel
2013-06-24 17:42 ` [PATCH 01/10] x86: give FIX_EFI_MPF its own fixmap entry David Vrabel
2013-06-24 17:42 ` [PATCH 02/10] xen: make GUEST_HANDLE_64() and uint64_aligned_t available everywhere David Vrabel
2013-06-25 7:42 ` Jan Beulich
2013-06-25 9:42 ` David Vrabel
2013-06-25 11:36 ` Jan Beulich
2013-06-25 13:17 ` David Vrabel
2013-06-25 13:53 ` Jan Beulich
2013-06-25 14:48 ` David Vrabel
2013-06-25 15:02 ` Jan Beulich
2013-06-24 17:42 ` [PATCH 03/10] kexec: add public interface for improved load/unload sub-ops David Vrabel
2013-06-25 7:45 ` Jan Beulich
2013-06-27 17:29 ` David Vrabel
2013-06-28 6:53 ` Jan Beulich
2013-06-24 17:42 ` [PATCH 04/10] kexec: add infrastructure for handling kexec images David Vrabel
2013-06-25 7:54 ` Jan Beulich
2013-06-27 17:17 ` David Vrabel
2013-06-24 17:42 ` [PATCH 05/10] kexec: extend hypercall with improved load/unload ops David Vrabel
2013-06-25 8:31 ` Jan Beulich
2013-06-25 14:30 ` David Vrabel
2013-06-25 14:59 ` Jan Beulich
2013-06-25 18:52 ` Daniel Kiper
2013-06-27 17:39 ` David Vrabel
2013-06-24 17:42 ` [PATCH 06/10] xen: kexec crash image when dom0 crashes David Vrabel
2013-06-24 17:42 ` [PATCH 07/10] libxc: add hypercall buffer arrays David Vrabel
2013-06-24 17:42 ` [PATCH 08/10] libxc: add API for kexec hypercall David Vrabel
2013-06-24 17:42 ` [PATCH 09/10] x86: check kexec relocation code fits in a page David Vrabel
2013-06-25 8:33 ` Jan Beulich
2013-06-25 9:31 ` Andrew Cooper [this message]
2013-06-25 11:38 ` Jan Beulich
2013-06-25 16:38 ` Ian Campbell
2013-06-25 19:00 ` Daniel Kiper
2013-06-26 9:50 ` David Vrabel
2013-06-24 17:42 ` [PATCH 10/10] MAINTAINERS: Add KEXEC maintainer David Vrabel
2013-06-24 20:31 ` [PATCHv6 0/10] kexec: extend kexec hypercall for use with pv-ops kernels Andrew Cooper
2013-06-25 19:27 ` Daniel Kiper
2013-06-26 9:44 ` David Vrabel
2013-06-26 9:52 ` Jan Beulich
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