From: Andi Kleen <andi@firstfloor.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Andi Kleen <andi@firstfloor.org>,
andreas.herrmann3@amd.com, mingo@elte.hu,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [4/7] Don't use large pages to map the first 2/4MB of memory
Date: Fri, 21 Mar 2008 18:59:36 +0100 [thread overview]
Message-ID: <20080321175936.GJ2346@one.firstfloor.org> (raw)
In-Reply-To: <alpine.LFD.1.00.0803211843120.3781@apollo.tec.linutronix.de>
> Also we split the first GB mapping anyway due to the various regions
> (NX, RO, UC) in there.
I didn't think so unless you have DEBUG_RODATA enabled? Also there
should be no UC region there as known by the kernel. There might
be a WC region there from the frame buffer code, but that is an MTRR,
not a pageattr.
-Andi
next prev parent reply other threads:[~2008-03-21 17:56 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-12 2:53 [PATCH] [1/7] Implement true end_pfn_mapped for 32bit Andi Kleen
2008-03-12 2:53 ` [PATCH] [2/7] Account overlapped mappings in end_pfn_map Andi Kleen
2008-03-12 2:53 ` [PATCH] [3/7] Add set_memory_4k to pageattr.c Andi Kleen
2008-03-12 2:53 ` [PATCH] [4/7] Don't use large pages to map the first 2/4MB of memory Andi Kleen
2008-03-12 5:38 ` Eric Dumazet
2008-03-12 9:19 ` Andi Kleen
2008-03-21 17:45 ` Thomas Gleixner
2008-03-21 17:59 ` Andi Kleen [this message]
2008-03-21 18:03 ` Thomas Gleixner
2008-03-21 18:44 ` Andi Kleen
2008-03-25 11:31 ` Joerg Roedel
2008-03-25 11:39 ` Andi Kleen
2008-03-12 2:53 ` [PATCH] [5/7] Readd rdmsrl_safe Andi Kleen
2008-03-21 17:06 ` Thomas Gleixner
2008-03-21 17:16 ` Andi Kleen
2008-03-21 17:58 ` Thomas Gleixner
2008-03-21 18:06 ` Andi Kleen
2008-03-21 18:14 ` Thomas Gleixner
2008-03-21 18:46 ` Andi Kleen
2008-03-21 18:48 ` [PATCH] [5/7] Readd rdmsrl_safe II Andi Kleen
2008-03-22 9:59 ` [PATCH] Readd rdmsrl_safe v2 Andi Kleen
2008-03-12 2:53 ` [PATCH] [6/7] Split large page mapping for AMD TSEG Andi Kleen
2008-03-21 17:55 ` Thomas Gleixner
2008-03-25 11:56 ` Joerg Roedel
2008-03-25 16:44 ` Thomas Gleixner
2008-03-25 16:54 ` Andi Kleen
2008-03-12 2:53 ` [PATCH] [7/7] CPA: Add statistics about state of direct mapping v2 Andi Kleen
2008-03-21 17:41 ` Thomas Gleixner
2008-03-21 17:55 ` Andi Kleen
2008-03-22 9:50 ` [PATCH] CPA: Add statistics about state of direct mapping v3 Andi Kleen
2008-03-25 15:40 ` Thomas Gleixner
2008-03-25 16:14 ` Andi Kleen
2008-03-25 16:16 ` Thomas Gleixner
2008-03-25 17:01 ` [PATCH] CPA: Add statistics about state of direct mapping v4 Andi Kleen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20080321175936.GJ2346@one.firstfloor.org \
--to=andi@firstfloor.org \
--cc=andreas.herrmann3@amd.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox