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From: "H. Peter Anvin" <hpa@zytor.com>
To: Thomas Renninger <trenn@suse.de>
Cc: x86@kernel.org, kexec@lists.infradead.org,
	Simon Horman <horms@verge.net.au>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	yinghai@kernel.org, vgoyal@redhat.com
Subject: Re: [PATCH 0/3] Cleanup kdump memmap= passing and e820 usage
Date: Wed, 30 Jan 2013 16:18:29 -0800	[thread overview]
Message-ID: <5109B855.1070600@zytor.com> (raw)
In-Reply-To: <2271353.GLUCBHDxBG@hammer82.arch.suse.de>

On 01/30/2013 04:15 PM, Thomas Renninger wrote:
> 
> I guess both ways are a huge enhancement compared to what we have now.
> Which approach to finally take should not matter that much, but because
> of above I still prefer to go this way:
> - Pass a kernel command line option that just changes the kernels idea
>   of which memory it can touch
> 

The kernel command line is a human-oriented data structure with limited
size and fairly complex semantics.

	-hpa


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  reply	other threads:[~2013-01-31  0:18 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-22 15:02 [PATCH 0/3] Make use of new memmap= kernel parameter syntax Thomas Renninger
2013-01-22 15:02 ` [PATCH 1/3] kexec: Split kernel_version() to also be able to pass a release string Thomas Renninger
2013-01-22 15:02 ` [PATCH 2/3] kexec x86: Extract kernel version and convert it to KERNEL_VERSION() style Thomas Renninger
2013-01-22 15:02 ` [PATCH 3/3] kexec x86: Make kexec aware of new memmap= kernel parameter possibilities Thomas Renninger
2013-01-30  4:31 ` [PATCH 0/3] Make use of new memmap= kernel parameter syntax Simon Horman
2013-01-30  5:40   ` H. Peter Anvin
2013-01-30  5:52     ` Simon Horman
2013-01-30 16:03     ` Thomas Renninger
2013-01-30 16:06       ` [PATCH 1/3] x86 e820: Check for exactmap appearance when parsing first memmap option Thomas Renninger
2013-01-30 16:09         ` H. Peter Anvin
2013-01-30 16:08       ` [PATCH 2/3] x86: Introduce Linux kernel specific E820_RESERVED_KDUMP e820 memory range type Thomas Renninger
2013-01-30 16:10       ` [PATCH 3/3] x86 e820: Introduce memmap=kdump_reserve_usable for kdump usage Thomas Renninger
2013-01-30 16:10       ` [PATCH 0/3] Make use of new memmap= kernel parameter syntax H. Peter Anvin
2013-01-30 16:13       ` [PATCH 0/3] Cleanup kdump memmap= passing and e820 usage Thomas Renninger
2013-01-30 16:16         ` H. Peter Anvin
2013-01-30 16:39           ` Thomas Renninger
2013-01-30 16:52             ` H. Peter Anvin
2013-01-30 17:41               ` Yinghai Lu
2013-01-30 18:52               ` Eric W. Biederman
2013-01-30 21:38                 ` H. Peter Anvin
2013-01-30 21:57                   ` Eric W. Biederman
2013-01-30 22:10                     ` H. Peter Anvin
2013-01-30 22:29                       ` Eric W. Biederman
2013-01-30 22:41                         ` H. Peter Anvin
2013-01-30 22:49                           ` Yinghai Lu
2013-01-31  0:15                         ` Thomas Renninger
2013-01-31  0:18                           ` H. Peter Anvin [this message]
2013-01-31  9:11                             ` Thomas Renninger
2013-02-06 15:23                           ` Thomas Renninger
2013-02-06 23:04                             ` Eric W. Biederman
2013-02-06 23:11                               ` H. Peter Anvin
2013-02-06 23:39                                 ` Eric W. Biederman
2013-02-08 20:08                                   ` Thomas Renninger
2013-02-08 20:25                                     ` Eric W. Biederman
2013-02-08 20:56                                       ` Thomas Renninger

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