From: "H. Peter Anvin" <hpa@zytor.com>
To: Daniel Kiper <daniel.kiper@oracle.com>
Cc: xen-devel@lists.xensource.com, konrad.wilk@oracle.com,
andrew.cooper3@citrix.com, x86@kernel.org,
kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, mingo@redhat.com,
ebiederm@xmission.com, jbeulich@suse.com,
maxim.uvarov@oracle.com, tglx@linutronix.de, vgoyal@redhat.com
Subject: Re: [PATCH v3 06/11] x86/xen: Add i386 kexec/kdump implementation
Date: Thu, 27 Dec 2012 15:37:55 -0800 [thread overview]
Message-ID: <50DCDBD3.1020703@zytor.com> (raw)
In-Reply-To: <5698071f-c96c-4891-81d6-a77c4e3b77c2@default>
On 12/27/2012 03:23 PM, Daniel Kiper wrote:
>> On 12/26/2012 06:18 PM, Daniel Kiper wrote:
>>> Add i386 kexec/kdump implementation.
>>>
>>> v2 - suggestions/fixes:
>>> - allocate transition page table pages below 4 GiB
>>> (suggested by Jan Beulich).
>>
>> Why?
>
> Sadly all addresses are passed via unsigned long
> variable to kexec hypercall.
>
So can you unf*ck your broken interface before imposing it on anyone else?
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
_______________________________________________
kexec mailing list
kexec@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kexec
WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: Daniel Kiper <daniel.kiper@oracle.com>
Cc: xen-devel@lists.xensource.com, konrad.wilk@oracle.com,
andrew.cooper3@citrix.com, x86@kernel.org,
kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, mingo@redhat.com,
ebiederm@xmission.com, jbeulich@suse.com,
maxim.uvarov@oracle.com, tglx@linutronix.de, vgoyal@redhat.com
Subject: Re: [PATCH v3 06/11] x86/xen: Add i386 kexec/kdump implementation
Date: Thu, 27 Dec 2012 15:37:55 -0800 [thread overview]
Message-ID: <50DCDBD3.1020703@zytor.com> (raw)
In-Reply-To: <5698071f-c96c-4891-81d6-a77c4e3b77c2@default>
On 12/27/2012 03:23 PM, Daniel Kiper wrote:
>> On 12/26/2012 06:18 PM, Daniel Kiper wrote:
>>> Add i386 kexec/kdump implementation.
>>>
>>> v2 - suggestions/fixes:
>>> - allocate transition page table pages below 4 GiB
>>> (suggested by Jan Beulich).
>>
>> Why?
>
> Sadly all addresses are passed via unsigned long
> variable to kexec hypercall.
>
So can you unf*ck your broken interface before imposing it on anyone else?
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: Daniel Kiper <daniel.kiper@oracle.com>
Cc: kexec@lists.infradead.org, xen-devel@lists.xensource.com,
konrad.wilk@oracle.com, tglx@linutronix.de,
ebiederm@xmission.com, maxim.uvarov@oracle.com,
andrew.cooper3@citrix.com, jbeulich@suse.com, mingo@redhat.com,
x86@kernel.org, virtualization@lists.linux-foundation.org,
vgoyal@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 06/11] x86/xen: Add i386 kexec/kdump implementation
Date: Thu, 27 Dec 2012 15:37:55 -0800 [thread overview]
Message-ID: <50DCDBD3.1020703@zytor.com> (raw)
In-Reply-To: <5698071f-c96c-4891-81d6-a77c4e3b77c2@default>
On 12/27/2012 03:23 PM, Daniel Kiper wrote:
>> On 12/26/2012 06:18 PM, Daniel Kiper wrote:
>>> Add i386 kexec/kdump implementation.
>>>
>>> v2 - suggestions/fixes:
>>> - allocate transition page table pages below 4 GiB
>>> (suggested by Jan Beulich).
>>
>> Why?
>
> Sadly all addresses are passed via unsigned long
> variable to kexec hypercall.
>
So can you unf*ck your broken interface before imposing it on anyone else?
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2012-12-27 23:38 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-27 23:23 [PATCH v3 06/11] x86/xen: Add i386 kexec/kdump implementation Daniel Kiper
2012-12-27 23:23 ` Daniel Kiper
2012-12-27 23:23 ` Daniel Kiper
2012-12-27 23:37 ` H. Peter Anvin [this message]
2012-12-27 23:37 ` H. Peter Anvin
2012-12-27 23:37 ` H. Peter Anvin
2012-12-28 3:16 ` Eric W. Biederman
2012-12-28 3:16 ` Eric W. Biederman
2012-12-28 3:16 ` Eric W. Biederman
2013-01-02 14:43 ` [Xen-devel] " Ian Campbell
2013-01-02 14:43 ` Ian Campbell
2013-01-02 14:43 ` Ian Campbell
-- strict thread matches above, loose matches on Subject: below --
2012-12-27 2:18 [PATCH v3 00/11] xen: Initial " Daniel Kiper
2012-12-27 2:18 ` [PATCH v3 01/11] kexec: introduce kexec firmware support Daniel Kiper
2012-12-27 2:18 ` [PATCH v3 02/11] x86/kexec: Add extra pointers to transition page table PGD, PUD, PMD and PTE Daniel Kiper
2012-12-27 2:18 ` [PATCH v3 03/11] xen: Introduce architecture independent data for kexec/kdump Daniel Kiper
2012-12-27 2:18 ` [PATCH v3 04/11] x86/xen: Introduce architecture dependent " Daniel Kiper
2012-12-27 2:18 ` [PATCH v3 05/11] x86/xen: Register resources required by kexec-tools Daniel Kiper
2012-12-27 2:18 ` [PATCH v3 06/11] x86/xen: Add i386 kexec/kdump implementation Daniel Kiper
2012-12-27 2:18 ` Daniel Kiper
2012-12-27 2:18 ` Daniel Kiper
2012-12-27 4:00 ` H. Peter Anvin
2012-12-27 4:00 ` H. Peter Anvin
2012-12-27 4:00 ` H. Peter Anvin
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