From: "H. Peter Anvin" <hpa@zytor.com>
To: Jacob Shin <jacob.shin@amd.com>
Cc: Yinghai Lu <yinghai@kernel.org>, X86-ML <x86@kernel.org>,
LKML <linux-kernel@vger.kernel.org>, Tejun Heo <tj@kernel.org>,
Dave Young <dyoung@redhat.com>, Chao Wang <chaowang@redhat.com>,
Vivek Goyal <vgoyal@redhat.com>,
Andreas Herrmann <andreas.herrmann3@amd.com>,
Borislav Petkov <borislav.petkov@amd.com>
Subject: Re: [PATCH 3/5] x86: Only direct map addresses that are marked as E820_RAM
Date: Mon, 27 Aug 2012 13:16:23 -0700 [thread overview]
Message-ID: <503BD597.3070400@zytor.com> (raw)
In-Reply-To: <20120827184912.GA23135@jshin-Toonie>
On 08/27/2012 11:49 AM, Jacob Shin wrote:
>
> Yinghai, another question, what about hotplug? Are we guaranteed that
> we will always be adding memory above max_pfn_mapped?
I don't think we can rely on this...
> And hotplug will also update e820 to mark the range as E820_RAM as well?
This is really should.
-hpa
next prev parent reply other threads:[~2012-08-27 20:16 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-24 23:55 [PATCH V4 0/5] x86: Create direct mappings for E820_RAM only Jacob Shin
2012-08-24 23:55 ` [PATCH 1/5] x86: Move enabling of PSE and PGE out of init_memory_mapping Jacob Shin
2012-08-25 1:25 ` Yinghai Lu
2012-08-25 1:49 ` Yinghai Lu
2012-08-25 2:06 ` Yinghai Lu
2012-08-25 4:15 ` Jacob Shin
2012-08-25 4:13 ` Jacob Shin
2012-08-24 23:55 ` [PATCH 2/5] x86: find_early_table_space based on memory ranges that are being mapped Jacob Shin
2012-10-21 21:22 ` Tom Rini
2012-08-24 23:55 ` [PATCH 3/5] x86: Only direct map addresses that are marked as E820_RAM Jacob Shin
2012-08-25 0:17 ` Jacob Shin
2012-08-25 0:30 ` H. Peter Anvin
2012-08-25 0:49 ` Jacob Shin
2012-08-25 1:13 ` H. Peter Anvin
2012-08-25 4:20 ` Jacob Shin
2012-08-25 4:21 ` H. Peter Anvin
2012-08-27 19:17 ` Jacob Shin
2012-08-27 20:15 ` H. Peter Anvin
2012-08-25 1:07 ` Yinghai Lu
2012-08-25 4:24 ` Jacob Shin
2012-08-25 4:54 ` Yinghai Lu
2012-08-27 18:49 ` Jacob Shin
2012-08-27 20:16 ` H. Peter Anvin [this message]
2012-08-28 16:06 ` Jacob Shin
2012-08-28 16:11 ` H. Peter Anvin
2012-08-24 23:55 ` [PATCH 4/5] x86: Fixup code testing if a pfn is direct mapped Jacob Shin
2012-08-24 23:55 ` [PATCH 5/5] x86: if kernel .text .data .bss are not marked as E820_RAM, complain and fix Jacob Shin
2012-08-25 1:23 ` Yinghai Lu
2012-08-25 4:25 ` Jacob Shin
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