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From: "H. Peter Anvin" <hpa@linux.intel.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Jacob Shin <jacob.shin@amd.com>, Tom Rini <trini@ti.com>,
	hpa@zytor.com,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"stable@kernel.org" <stable@kernel.org>
Subject: Re: BUG: 1bbbbe7 (x86: Exclude E820_RESERVED regions...) PANIC on boot
Date: Mon, 22 Oct 2012 13:52:23 -0700	[thread overview]
Message-ID: <5085B207.5010907@linux.intel.com> (raw)
In-Reply-To: <CAE9FiQW0rQFUgjiYjByA91XCUUqo59zz2kXc9Z5wXk+3vKPKaQ@mail.gmail.com>

On 10/22/2012 01:50 PM, Yinghai Lu wrote:
> ok, let's see if we can meet this extreme corner case except user
> specify not page aligned "memmap="

If it is *only* memmap= there is a very simple solution: if the memmap
is RAM then we round up the starting address and round down the end
address; if the memmap is not RAM then we round up instead...

	-hpa


  reply	other threads:[~2012-10-22 22:23 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <903a3ead-98b5-4afa-88a4-3dc723895e82@blur>
     [not found] ` <d556fc0f-da5d-4531-b331-6dc086461f34@blur>
2012-10-21  0:17   ` BUG: 1bbbbe7 (x86: Exclude E820_RESERVED regions...) PANIC on boot Tom Rini
2012-10-21  4:01     ` Yinghai Lu
2012-10-21  4:18       ` Jacob Shin
2012-10-21 17:51         ` Tom Rini
2012-10-21 21:06           ` Jacob Shin
2012-10-21 21:23             ` Tom Rini
2012-10-22 14:40               ` Jacob Shin
2012-10-22 18:05                 ` Yinghai Lu
2012-10-22 18:38                   ` Jacob Shin
2012-10-22 19:46                     ` Yinghai Lu
2012-10-22 20:26                       ` H. Peter Anvin
2012-10-22 20:50                         ` Yinghai Lu
2012-10-22 20:52                           ` H. Peter Anvin [this message]
2012-10-22 21:25                             ` Yinghai Lu
2012-10-22 21:27                               ` H. Peter Anvin
2012-10-22 23:35                                 ` Yinghai Lu
2012-10-24 16:48                                   ` Jacob Shin
2012-10-24 18:53                                     ` H. Peter Anvin
2012-10-24 19:53                                       ` Jacob Shin
2012-10-24 21:49                                         ` [tip:x86/urgent] x86, mm: Find_early_table_space based on ranges that are actually being mapped tip-bot for Jacob Shin
2012-10-25  6:42                                           ` Yinghai Lu
2012-10-25  7:55                                             ` Ingo Molnar
2012-10-25 14:33                                               ` Yinghai Lu
2012-10-25 22:23                                                 ` Jacob Shin
2012-10-25 23:31                                                 ` [tip:x86/urgent] x86, mm: Undo incorrect revert in arch/x86/mm/ init.c tip-bot for Yinghai Lu
2012-10-24 19:01                                   ` [tip:x86/urgent] x86, mm: Trim memory in memblock to be page aligned tip-bot for Yinghai Lu
2012-10-24 19:02                                   ` [tip:x86/urgent] x86, mm: Use memblock memory loop instead of e820_RAM tip-bot for Yinghai Lu
2012-10-22 21:00                           ` BUG: 1bbbbe7 (x86: Exclude E820_RESERVED regions...) PANIC on boot H. Peter Anvin
2012-10-22 21:06                             ` Yinghai Lu
2012-10-28 20:48                 ` Tom Rini
2012-10-21 17:52       ` Tom Rini
2012-10-21  0:06 Tom Rini

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