From: Yinghai Lu <yinghai@kernel.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: "H. Peter Anvin" <hpa@linux.intel.com>,
Jacob Shin <jacob.shin@amd.com>, Tom Rini <trini@ti.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 14:06:53 -0700 [thread overview]
Message-ID: <CAE9FiQU3yM43JXG4pQNgJobFzy+HH_BjtGZ1WG0sBc7Ud6+9KQ@mail.gmail.com> (raw)
In-Reply-To: <5085B3F6.4060906@zytor.com>
On Mon, Oct 22, 2012 at 2:00 PM, H. Peter Anvin <hpa@zytor.com> wrote:
> On 10/22/2012 01:50 PM, Yinghai Lu wrote:
>>>
>>> We should not map a partial page at the end of RAM; it is functionally
>>> lost.
>>
>> Now we did not, we have max_low_pfn, and max_pfn to cap out end partial page.
>>
>
> Well, it is not just end of RAM, which is where the entire current
> implementation falls apart, obviously.
>
ok, I will fix that from memblock_x86_fill().
after we put the E820_RAM and E820_RESERVED_KERN in to memblock, do
one trim in memblock.memory.
Thanks
Yinghai Lu
next prev parent reply other threads:[~2012-10-22 21:06 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
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 [this message]
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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