From: Andi Kleen <ak@muc.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Jeremy Fitzhardinge <jeremy@goop.org>,
Zachary Amsden <zach@vmware.com>,
Rusty Russell <rusty@rustcorp.com.au>,
David Miller <davem@davemloft.net>,
mingo@elte.hu, akpm@linux-foundation.org,
linux-kernel@vger.kernel.org, virtualization@lists.osdl.org,
xen-devel@lists.xensource.com, chrisw@sous-sol.org,
anthony@codemonkey.ws, netdev@vger.kernel.org
Subject: Re: [patch 13/26] Xen-paravirt_ops: Consistently wrap paravirt ops callsites to make them patchable
Date: 20 Mar 2007 20:28:18 +0100
Date: Tue, 20 Mar 2007 20:28:18 +0100 [thread overview]
Message-ID: <20070320192818.GA87860@muc.de> (raw)
In-Reply-To: <Pine.LNX.4.64.0703200903500.6730@woody.linux-foundation.org>
> But I was throwing that out as a long-term thing. I'm not claiming it's
> trivial, but it should be doable.
One thing I was pondering was to replace the expensive popfs with
bt $IF,(%rsp)
jnc 1f
sti
1:
But would be mostly a P4 optimization again and I'm not 100% sure it is
worth it.
-Andi
next prev parent reply other threads:[~2007-03-20 19:28 UTC|newest]
Thread overview: 201+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-01 23:24 [patch 00/26] Xen-paravirt_ops: Xen guest implementation for paravirt_ops interface Jeremy Fitzhardinge
2007-03-01 23:24 ` [patch 01/26] Xen-paravirt_ops: Fix typo in sync_constant_test_bit()s name Jeremy Fitzhardinge
2007-03-16 9:45 ` Ingo Molnar
2007-03-01 23:24 ` [patch 02/26] Xen-paravirt_ops: ignore vgacon if hardware not present Jeremy Fitzhardinge
2007-03-16 9:45 ` Ingo Molnar
2007-03-01 23:24 ` [patch 03/26] Xen-paravirt_ops: use paravirt_nop to consistently mark no-op operations Jeremy Fitzhardinge
2007-03-16 9:44 ` Ingo Molnar
2007-03-16 18:43 ` Jeremy Fitzhardinge
2007-03-16 19:49 ` Chris Wright
2007-03-16 20:00 ` Jeremy Fitzhardinge
2007-03-16 21:59 ` Chris Wright
2007-03-16 22:10 ` Jeremy Fitzhardinge
2007-03-16 22:18 ` Chris Wright
2007-03-01 23:24 ` [patch 04/26] Xen-paravirt_ops: Add pagetable accessors to pack and unpack pagetable entries Jeremy Fitzhardinge
2007-03-16 9:38 ` Ingo Molnar
2007-03-16 18:42 ` Jeremy Fitzhardinge
2007-03-01 23:24 ` [patch 05/26] Xen-paravirt_ops: paravirt_ops: hooks to set up initial pagetable Jeremy Fitzhardinge
2007-03-16 9:33 ` Ingo Molnar
2007-03-16 18:39 ` Jeremy Fitzhardinge
2007-03-16 19:35 ` Steven Rostedt
2007-03-17 9:47 ` Rusty Russell
2007-03-01 23:24 ` [patch 06/26] Xen-paravirt_ops: paravirt_ops: allocate a fixmap slot Jeremy Fitzhardinge
2007-03-16 9:31 ` Ingo Molnar
2007-03-01 23:24 ` [patch 07/26] Xen-paravirt_ops: Allow paravirt backend to choose kernel PMD sharing Jeremy Fitzhardinge
2007-03-16 9:31 ` Ingo Molnar
2007-03-01 23:24 ` [patch 08/26] Xen-paravirt_ops: add hooks to intercept mm creation and destruction Jeremy Fitzhardinge
2007-03-16 9:30 ` Ingo Molnar
2007-03-16 17:38 ` Jeremy Fitzhardinge
2007-03-01 23:24 ` [patch 09/26] Xen-paravirt_ops: remove HAVE_ARCH_MM_LIFETIME, define no-op architecture implementations Jeremy Fitzhardinge
2007-03-16 9:27 ` Ingo Molnar
2007-03-01 23:24 ` [patch 10/26] Xen-paravirt_ops: rename struct paravirt_patch to paravirt_patch_site for clarity Jeremy Fitzhardinge
2007-03-01 23:24 ` [patch 11/26] Xen-paravirt_ops: Use patch site IDs computed from offset in paravirt_ops structure Jeremy Fitzhardinge
2007-03-01 23:24 ` [patch 12/26] Xen-paravirt_ops: Fix patch site clobbers to include return register Jeremy Fitzhardinge
2007-03-02 0:45 ` Zachary Amsden
2007-03-02 0:49 ` Jeremy Fitzhardinge
2007-03-02 0:52 ` Zachary Amsden
2007-03-02 0:58 ` Jeremy Fitzhardinge
2007-03-02 1:18 ` Zachary Amsden
2007-03-16 9:26 ` Ingo Molnar
2007-03-16 17:37 ` Jeremy Fitzhardinge
2007-03-01 23:24 ` [patch 13/26] Xen-paravirt_ops: Consistently wrap paravirt ops callsites to make them patchable Jeremy Fitzhardinge
2007-03-16 9:24 ` Ingo Molnar
2007-03-16 9:33 ` David Miller
2007-03-16 9:57 ` Ingo Molnar
2007-03-16 19:16 ` Jeremy Fitzhardinge
2007-03-16 20:38 ` Jeremy Fitzhardinge
2007-03-17 10:33 ` Rusty Russell
2007-03-18 7:33 ` David Miller
2007-03-18 7:59 ` Jeremy Fitzhardinge
2007-03-18 12:08 ` Andi Kleen
2007-03-18 15:58 ` Jeremy Fitzhardinge
2007-03-18 17:04 ` Andi Kleen
2007-03-18 17:29 ` Jeremy Fitzhardinge
2007-03-18 19:30 ` Andi Kleen
2007-03-18 23:46 ` Jeremy Fitzhardinge
2007-03-19 10:57 ` Andi Kleen
2007-03-19 17:58 ` Jeremy Fitzhardinge
2007-03-19 19:08 ` David Miller
2007-03-19 20:59 ` Andi Kleen
2007-03-20 3:18 ` Linus Torvalds
2007-03-20 3:47 ` David Miller
2007-03-20 4:19 ` Eric W. Biederman
2007-03-20 13:28 ` Andi Kleen
2007-03-20 16:25 ` Eric W. Biederman
2007-03-20 17:42 ` Andi Kleen
2007-03-20 16:52 ` Linus Torvalds
2007-03-20 18:03 ` Andi Kleen
2007-03-20 17:27 ` Linus Torvalds
2007-03-20 19:21 ` Andi Kleen
2007-03-20 18:49 ` Linus Torvalds
2007-03-20 20:23 ` Andi Kleen
2007-03-20 21:39 ` Alan Cox
2007-03-20 21:49 ` [Xen-devel] " Andi Kleen
2007-03-20 23:51 ` Linus Torvalds
2007-03-20 23:43 ` Linus Torvalds
2007-03-21 6:08 ` Andrew Morton
2007-03-20 16:12 ` Chuck Ebbert
2007-03-20 1:23 ` Zachary Amsden
2007-03-20 1:45 ` Jeremy Fitzhardinge
2007-03-19 2:47 ` Rusty Russell
2007-03-19 18:25 ` Eric W. Biederman
2007-03-19 18:38 ` Linus Torvalds
2007-03-19 18:44 ` Linus Torvalds
2007-03-19 19:33 ` Jeremy Fitzhardinge
2007-03-20 0:01 ` Rusty Russell
2007-03-20 2:00 ` Zachary Amsden
2007-03-20 4:20 ` Rusty Russell
2007-03-20 5:54 ` Jeremy Fitzhardinge
2007-03-20 11:33 ` Andreas Kleen
2007-03-20 15:09 ` Linus Torvalds
2007-03-20 15:58 ` Eric W. Biederman
2007-03-20 16:06 ` Linus Torvalds
2007-03-20 16:31 ` Jeremy Fitzhardinge
2007-03-20 22:09 ` Zachary Amsden
2007-03-21 0:24 ` Linus Torvalds
2007-03-21 2:53 ` Zachary Amsden
2007-03-21 2:15 ` Linus Torvalds
2007-03-21 3:43 ` Zachary Amsden
2007-03-20 22:43 ` Matt Mackall
2007-03-20 23:08 ` Zachary Amsden
2007-03-20 23:33 ` Jeremy Fitzhardinge
2007-03-21 1:14 ` Zachary Amsden
2007-03-20 23:41 ` Matt Mackall
2007-03-21 0:20 ` Jeremy Fitzhardinge
2007-03-20 19:28 ` Andi Kleen [this message]
2007-03-20 19:54 ` Zachary Amsden
2007-03-20 20:02 ` Andi Kleen
2007-03-20 16:26 ` Jeremy Fitzhardinge
2007-03-20 22:41 ` Rusty Russell
2007-03-20 17:00 ` Ingo Molnar
2007-03-21 0:03 ` Paul Mackerras
2007-04-12 23:16 ` David Miller
2007-03-19 18:41 ` Chris Wright
2007-03-19 19:10 ` Jeremy Fitzhardinge
2007-03-19 19:46 ` David Miller
2007-03-19 20:06 ` Jeremy Fitzhardinge
2007-03-19 23:42 ` Andi Kleen
2007-03-16 17:36 ` Jeremy Fitzhardinge
2007-03-16 23:29 ` Zachary Amsden
2007-03-17 0:40 ` Jeremy Fitzhardinge
2007-03-17 9:10 ` Zachary Amsden
2007-03-17 9:26 ` Rusty Russell
2007-03-01 23:24 ` [patch 14/26] Xen-paravirt_ops: add common patching machinery Jeremy Fitzhardinge
2007-03-16 9:20 ` Ingo Molnar
2007-03-17 9:15 ` Rusty Russell
2007-03-01 23:24 ` [patch 15/26] Xen-paravirt_ops: Add apply_to_page_range() which applies a function to a pte range Jeremy Fitzhardinge
2007-03-16 9:19 ` Ingo Molnar
2007-03-16 16:47 ` Chris Wright
2007-03-16 17:08 ` Jeremy Fitzhardinge
2007-03-01 23:24 ` [patch 16/26] Xen-paravirt_ops: Allocate and free vmalloc areas Jeremy Fitzhardinge
2007-03-16 9:16 ` Ingo Molnar
2007-03-16 17:05 ` Jeremy Fitzhardinge
2007-03-01 23:25 ` [patch 17/26] Xen-paravirt_ops: Add nosegneg capability to the vsyscall page notes Jeremy Fitzhardinge
2007-03-16 9:15 ` Ingo Molnar
2007-03-16 21:26 ` Roland McGrath
2007-03-16 21:56 ` Jeremy Fitzhardinge
2007-03-16 22:20 ` Roland McGrath
2007-03-01 23:25 ` [patch 18/26] Xen-paravirt_ops: Add XEN config options Jeremy Fitzhardinge
2007-03-16 9:14 ` Ingo Molnar
2007-03-16 17:04 ` Jeremy Fitzhardinge
2007-03-01 23:25 ` [patch 19/26] Xen-paravirt_ops: Add Xen interface header files Jeremy Fitzhardinge
2007-03-01 23:25 ` [patch 20/26] Xen-paravirt_ops: Core Xen implementation Jeremy Fitzhardinge
2007-03-16 9:14 ` Ingo Molnar
2007-03-16 12:00 ` Christoph Hellwig
2007-03-16 16:33 ` Chris Wright
2007-03-16 16:44 ` Jeremy Fitzhardinge
2007-03-16 16:57 ` Chris Wright
2007-03-16 17:12 ` Chris Wright
2007-03-19 18:05 ` Eric W. Biederman
2007-03-19 18:13 ` Jeremy Fitzhardinge
2007-03-19 18:15 ` Chris Wright
2007-03-17 9:13 ` Rusty Russell
2007-03-18 7:03 ` [Xen-devel] " Jeremy Fitzhardinge
2007-03-01 23:25 ` [patch 21/26] Xen-paravirt_ops: Use the hvc console infrastructure for Xen console Jeremy Fitzhardinge
2007-03-16 8:54 ` Ingo Molnar
2007-03-16 9:28 ` [Xen-devel] " Keir Fraser
[not found] ` <C22013C9.B9E6%keir@xensource.com>
2007-03-16 9:58 ` Ingo Molnar
2007-03-16 10:31 ` [Xen-devel] " Keir Fraser
2007-03-16 10:31 ` Keir Fraser
[not found] ` <C2202295.BA49%keir@xensource.com>
2007-03-16 11:41 ` Andrew Morton
2007-03-16 11:58 ` Keir Fraser
2007-03-16 11:58 ` Keir Fraser
2007-03-16 17:02 ` Jeremy Fitzhardinge
2007-03-01 23:25 ` [patch 22/26] Xen-paravirt_ops: Add early printk support via hvc console Jeremy Fitzhardinge
2007-03-16 8:52 ` Ingo Molnar
2007-03-01 23:25 ` [patch 23/26] Xen-paravirt_ops: Add Xen grant table support Jeremy Fitzhardinge
2007-03-16 8:51 ` Ingo Molnar
2007-03-16 17:00 ` Jeremy Fitzhardinge
2007-03-01 23:25 ` [patch 24/26] Xen-paravirt_ops: Add the Xenbus sysfs and virtual device hotplug driver Jeremy Fitzhardinge
2007-03-16 8:47 ` Ingo Molnar
2007-03-16 16:18 ` Chris Wright
2007-03-16 16:19 ` Ingo Molnar
2007-03-16 16:40 ` Chris Wright
2007-03-16 17:53 ` Greg KH
2007-03-16 16:57 ` Jeremy Fitzhardinge
2007-03-01 23:25 ` [patch 25/26] Xen-paravirt_ops: Add Xen virtual block device driver Jeremy Fitzhardinge
2007-03-01 23:25 ` [patch 26/26] Xen-paravirt_ops: Add the Xen virtual network " Jeremy Fitzhardinge
2007-03-02 0:42 ` Stephen Hemminger
2007-03-02 0:56 ` Jeremy Fitzhardinge
2007-03-02 1:30 ` [RFC] Arp announce (for Xen) Stephen Hemminger
2007-03-02 8:46 ` Keir Fraser
2007-03-02 12:54 ` Andi Kleen
2007-03-02 14:08 ` jamal
2007-03-02 18:08 ` Chris Wright
2007-03-06 4:35 ` David Miller
2007-03-06 18:51 ` [RFC] ARP notify option Stephen Hemminger
2007-03-06 19:04 ` Jeremy Fitzhardinge
2007-03-06 19:07 ` Chris Wright
2007-03-06 21:18 ` Chris Friesen
2007-03-06 22:52 ` Stephen Hemminger
2007-03-07 6:42 ` Pekka Savola
2007-03-07 17:00 ` Stephen Hemminger
2007-03-02 1:21 ` [patch 26/26] Xen-paravirt_ops: Add the Xen virtual network device driver Christoph Hellwig
2007-03-02 1:26 ` Chris Wright
2007-03-16 8:42 ` [patch 00/26] Xen-paravirt_ops: Xen guest implementation for paravirt_ops interface Ingo Molnar
2007-03-16 16:55 ` Jeremy Fitzhardinge
2007-03-16 9:21 ` Ingo Molnar
2007-03-16 17:26 ` Jeremy Fitzhardinge
2007-03-16 18:59 ` Christoph Hellwig
2007-03-16 19:26 ` Jeremy Fitzhardinge
-- strict thread matches above, loose matches on Subject: below --
2007-02-27 8:13 Jeremy Fitzhardinge
2007-02-27 8:13 ` [patch 13/26] Xen-paravirt_ops: Consistently wrap paravirt ops callsites to make them patchable Jeremy Fitzhardinge
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