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From: Ingo Molnar <mingo@elte.hu>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org
Subject: Re: linux-next: reservetop fix disables mem=
Date: Sat, 19 Sep 2009 20:32:24 +0200	[thread overview]
Message-ID: <20090919183224.GA3038@elte.hu> (raw)
In-Reply-To: <4AB51DFD.2000904@kernel.org>


* Yinghai Lu <yinghai@kernel.org> wrote:

> Yinghai Lu wrote:
> > Ingo Molnar wrote:
> >> I thoroughly zapped it. Do you know about any commit ID where it snuck 
> >> in?
> > 
> > after close looking, it will break
> > 1. some cpu feature  in early stage too, like cpu_has_x2apic
> > 2. will break built-in-command line
> > 3. will break other memmap= and mem=
> > 4. early_dbgp and early_console that will use early_ioremap to access mmio (?)

thanks Yinghai - i have queued up your revert. Thanks Hugh for noticing 
it!

> after revet it, it seem mem=32g etc still broken, maybe some other 
> commit about x86 platform support from Thomas broke it.

Thomas?

	Ingo

  reply	other threads:[~2009-09-19 18:32 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-24 16:45 linux-next: reservetop fix disables mem= Hugh Dickins
2009-08-24 17:38 ` Yinghai Lu
2009-08-24 18:27   ` Ingo Molnar
2009-08-28 19:28     ` Yinghai Lu
2009-09-06  6:56     ` Yinghai Lu
2009-09-16  0:23     ` Hugh Dickins
2009-09-19 17:55       ` Ingo Molnar
2009-09-19 18:02         ` Yinghai Lu
2009-09-19 18:07           ` Yinghai Lu
2009-09-19 18:32             ` Ingo Molnar [this message]
2009-09-19 18:33             ` [tip:x86/urgent] Revert 'x86: Fix system crash when loading with "reservetop" parameter' tip-bot for Yinghai Lu
2009-08-26  1:13   ` linux-next: reservetop fix disables mem= Xiao Guangrong
2009-09-01  7:55     ` [RFC][PATCH] x86: introduce parse_early_param_alone() to parse param early (Was Re: linux-next: reservetop fix disables mem= ) Xiao Guangrong
2009-09-01 15:17       ` Américo Wang
2009-09-03  6:04         ` Xiao Guangrong

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