From: Christoph Lameter <clameter@sgi.com>
To: David Miller <davem@davemloft.net>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-ia64@vger.kernel.org
Subject: Re: [11/14] vcompound: Fallbacks for order 1 stack allocations on
Date: Mon, 24 Mar 2008 18:27:06 +0000 [thread overview]
Message-ID: <Pine.LNX.4.64.0803241121090.3002@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20080321.145712.198736315.davem@davemloft.net>
On Fri, 21 Mar 2008, David Miller wrote:
> The thing to do is to first validate the way that IA64
> handles recursive TLB misses occuring during an initial
> TLB miss, and if there are any limitations therein.
I am familiar with that area and I am resonably sure that this
is an issue on IA64 under some conditions (the processor decides to spill
some registers either onto the stack or into the register backing store
during tlb processing). Recursion (in the kernel context) still expects
the stack and register backing store to be available. ccing linux-ia64 for
any thoughts to the contrary.
The move to 64k page size on IA64 is another way that this issue can be
addressed though. So I think its best to drop the IA64 portion.
next parent reply other threads:[~2008-03-24 18:27 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080321061726.782068299@sgi.com>
[not found] ` <20080321.002502.223136918.davem@davemloft.net>
[not found] ` <Pine.LNX.4.64.0803211037140.18671@schroedinger.engr.sgi.com>
[not found] ` <20080321.145712.198736315.davem@davemloft.net>
2008-03-24 18:27 ` Christoph Lameter [this message]
2008-03-24 20:37 ` larger default page sizes David Miller
2008-03-24 21:05 ` Christoph Lameter
2008-03-24 21:43 ` David Miller
2008-03-25 17:48 ` Christoph Lameter
2008-03-25 23:22 ` David Miller
2008-03-25 23:41 ` Peter Chubb
2008-03-25 23:49 ` David Miller
2008-03-26 0:25 ` Peter Chubb
2008-03-26 0:31 ` David Miller
2008-03-26 0:34 ` David Mosberger-Tang
2008-03-26 0:39 ` David Miller
2008-03-26 0:57 ` Peter Chubb
2008-03-26 4:16 ` John Marvin
2008-03-26 4:36 ` David Miller
2008-03-24 21:25 ` Luck, Tony
2008-03-24 21:46 ` David Miller
2008-03-25 3:29 ` Paul Mackerras
2008-03-25 4:15 ` David Miller
2008-03-25 11:50 ` Paul Mackerras
2008-03-25 23:32 ` David Miller
2008-03-25 23:49 ` Luck, Tony
2008-03-26 0:16 ` David Miller
2008-03-26 15:54 ` Nish Aravamudan
2008-03-26 17:05 ` Luck, Tony
2008-03-26 18:54 ` Mel Gorman
2008-03-25 12:05 ` Andi Kleen
2008-03-25 21:27 ` Paul Mackerras
2008-03-26 5:24 ` Paul Mackerras
2008-03-26 15:59 ` Linus Torvalds
2008-03-27 1:08 ` Paul Mackerras
2008-03-26 17:56 ` Christoph Lameter
2008-03-26 23:21 ` David Miller
2008-03-27 3:00 ` Paul Mackerras
2008-03-25 18:27 ` Dave Hansen
2008-03-24 21:13 ` [11/14] vcompound: Fallbacks for order 1 stack allocations on IA64 and x86 Luck, Tony
2008-03-25 17:42 ` [11/14] vcompound: Fallbacks for order 1 stack allocations on Christoph Lameter
2008-03-25 19:09 ` [11/14] vcompound: Fallbacks for order 1 stack allocations on IA64 and x86 Luck, Tony
2008-03-25 19:25 ` [11/14] vcompound: Fallbacks for order 1 stack allocations on Christoph Lameter
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