From: Andi Kleen <ak@muc.de>
To: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
Cc: Ingo Molnar <mingo@elte.hu>,
Andreas Herrmann3 <andreas.herrmann3@amd.com>,
Venki Pallipadi <venkatesh.pallipadi@intel.com>,
ebiederm@xmission.com, rdreier@cisco.com,
torvalds@linux-foundation.org, gregkh@suse.de, airlied@skynet.ie,
davej@redhat.com, tglx@linutronix.de, hpa@zytor.com,
akpm@linux-foundation.org, arjan@infradead.org,
jesse.barnes@intel.com, davem@davemloft.net,
linux-kernel@vger.kernel.org
Subject: Re: [patch 0/4] x86: PAT followup - Incremental changes and bug fixes
Date: 18 Jan 2008 05:25:19 +0100
Date: Fri, 18 Jan 2008 05:25:19 +0100 [thread overview]
Message-ID: <20080118042518.GA12426@muc.de> (raw)
In-Reply-To: <20080117213131.GA25389@linux-os.sc.intel.com>
> As Linus mentioned, main problem is to figure out the correct attribute
> for ioremap() which doesn't specify the actual attribute to be used.
In this case the correct attribute is the one of the underlying MTRR.
And if it conflicts with some other mapping that overrides an MTRR
the driver was always broken and it should probably error out and be
reevaluated/fixed.
-Andi
next prev parent reply other threads:[~2008-01-18 4:25 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-16 2:39 [patch 0/4] x86: PAT followup - Incremental changes and bug fixes venkatesh.pallipadi
2008-01-16 2:39 ` [patch 1/4] x86: PAT followup - Do not fold two bits in _PAGE_PCD venkatesh.pallipadi
2008-01-16 2:39 ` [patch 2/4] x86: PAT followup - Remove KERNPG_TABLE from pte entry venkatesh.pallipadi
2008-01-16 8:14 ` Mika Penttilä
2008-01-16 18:17 ` Pallipadi, Venkatesh
2008-01-17 0:18 ` Venki Pallipadi
2008-01-16 2:39 ` [patch 3/4] x86: PAT followup - Remove reserved pages mapping to zero page and not map them venkatesh.pallipadi
2008-01-16 2:39 ` [patch 4/4] x86: PAT followup - use ioremap for devmem read of reserved regions venkatesh.pallipadi
2008-01-16 7:33 ` Ingo Molnar
2008-01-16 7:29 ` [patch 0/4] x86: PAT followup - Incremental changes and bug fixes Ingo Molnar
2008-01-16 18:57 ` Andreas Herrmann
2008-01-16 19:05 ` Pallipadi, Venkatesh
2008-01-16 19:37 ` Pallipadi, Venkatesh
2008-01-16 20:24 ` Ingo Molnar
2008-01-16 20:33 ` Venki Pallipadi
2008-01-16 22:01 ` Andi Kleen
2008-01-16 22:14 ` Pallipadi, Venkatesh
2008-01-16 22:29 ` Andi Kleen
2008-01-17 19:12 ` Andreas Herrmann3
2008-01-17 19:54 ` Andreas Herrmann3
2008-01-17 20:36 ` Ingo Molnar
2008-01-17 20:33 ` H. Peter Anvin
2008-01-17 20:56 ` Ingo Molnar
2008-01-17 20:57 ` Linus Torvalds
2008-01-17 20:44 ` Ingo Molnar
2008-01-17 21:03 ` Andreas Herrmann3
2008-01-17 21:13 ` Ingo Molnar
2008-01-17 21:22 ` Ingo Molnar
2008-01-17 21:31 ` Siddha, Suresh B
2008-01-17 21:38 ` H. Peter Anvin
2008-01-24 20:22 ` Eric W. Biederman
2008-01-24 21:36 ` H. Peter Anvin
2008-01-17 21:42 ` Ingo Molnar
2008-01-17 22:06 ` Andreas Herrmann3
2008-01-17 22:05 ` H. Peter Anvin
2008-01-17 22:15 ` Ingo Molnar
2008-01-17 22:52 ` Andreas Herrmann3
2008-01-17 23:04 ` Venki Pallipadi
2008-01-17 23:24 ` Andreas Herrmann3
2008-01-17 23:42 ` Pallipadi, Venkatesh
2008-01-18 16:10 ` Andreas Herrmann3
2008-01-18 17:13 ` Pallipadi, Venkatesh
2008-01-18 17:33 ` Balbir Singh
2008-01-18 4:25 ` Andi Kleen [this message]
2008-01-17 21:42 ` Andreas Herrmann3
2008-01-17 22:13 ` Ingo Molnar
2008-01-17 22:16 ` Andreas Herrmann3
2008-01-17 22:26 ` Andreas Herrmann3
2008-01-17 22:35 ` Ingo Molnar
2008-01-17 23:06 ` Andreas Herrmann3
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