Re: [PATCH 2/3] relay - make subbuf switch replaceable

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

From: Andrew Morton

Subject: Re: [PATCH 2/3] relay - make subbuf switch replaceable

Date: Tuesday, September 23, 2008 - 1:17 pm

On Tue, 23 Sep 2008 00:27:30 -0500
Tom Zanussi <zanussi@comcast.net> wrote:

quoted text> Make the relay sub-buffer switch code replaceable.
>     
> With this patch, tracers now have complete control over the relay
> write (or reserve) path if they choose to do so, by implementing their
> own version of the sub-buffer switch function (switch_subbuf()), in
> addition to their own local write/reserve functions.  Tracers who
> choose not to do so automatically default to the normal behavior.
> 
>
> ...
>
> -EXPORT_SYMBOL_GPL(relay_switch_subbuf);
> +EXPORT_SYMBOL_GPL(switch_subbuf_default_callback);

It would be nice to keep the `relay_' prefix on the exported relay
interface?  Something called `switch_subbuf_default_callback' could
belong to pretty much anywhere in the kernel.


--
unsubscribe noticeTo unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:

Unified tracing buffer, Martin Bligh, (Fri Sep 19, 2:33 pm)

Re: Unified tracing buffer, Randy Dunlap, (Fri Sep 19, 2:42 pm)

Re: Unified tracing buffer, Martin Bligh, (Fri Sep 19, 2:57 pm)

Re: Unified tracing buffer, Martin Bligh, (Fri Sep 19, 3:09 pm)

Re: Unified tracing buffer, Martin Bligh, (Fri Sep 19, 3:19 pm)

Re: Unified tracing buffer, Olaf Dabrunz, (Fri Sep 19, 3:28 pm)

Re: Unified tracing buffer, Olaf Dabrunz, (Fri Sep 19, 3:41 pm)

Re: Unified tracing buffer, Frank Ch. Eigler, (Fri Sep 19, 4:18 pm)

Re: Unified tracing buffer, Peter Zijlstra, (Fri Sep 19, 5:07 pm)

Re: Unified tracing buffer, Marcel Holtmann, (Fri Sep 19, 5:26 pm)

Re: Unified tracing buffer, Olaf Dabrunz, (Sat Sep 20, 1:10 am)

Re: Unified tracing buffer, Steven Rostedt, (Sat Sep 20, 1:26 am)

Re: Unified tracing buffer, Steven Rostedt, (Sat Sep 20, 1:29 am)

Re: Unified tracing buffer, Steven Rostedt, (Sat Sep 20, 1:50 am)

Re: Unified tracing buffer, Steven Rostedt, (Sat Sep 20, 2:03 am)

Re: Unified tracing buffer, Mathieu Desnoyers, (Sat Sep 20, 4:40 am)

Re: Unified tracing buffer, Mathieu Desnoyers, (Sat Sep 20, 4:44 am)

Re: Unified tracing buffer, Mathieu Desnoyers, (Sat Sep 20, 6:37 am)

Re: Unified tracing buffer, Steven Rostedt, (Sat Sep 20, 6:51 am)

Re: Unified tracing buffer, Mathieu Desnoyers, (Sat Sep 20, 6:55 am)

Re: Unified tracing buffer, Arjan van de Ven, (Sat Sep 20, 7:12 am)

Re: Unified tracing buffer, Steven Rostedt, (Sat Sep 20, 7:54 am)

Re: Unified tracing buffer, KOSAKI Motohiro, (Sun Sep 21, 8:09 pm)

Re: Unified tracing buffer, Peter Zijlstra, (Mon Sep 22, 2:57 am)

Re: Unified tracing buffer, K.Prasad, (Mon Sep 22, 6:57 am)

Re: Unified tracing buffer, K.Prasad, (Mon Sep 22, 7:07 am)

Re: Unified tracing buffer, Peter Zijlstra, (Mon Sep 22, 7:45 am)

Re: Unified tracing buffer, Martin Bligh, (Mon Sep 22, 9:29 am)

Re: Unified tracing buffer, Peter Zijlstra, (Mon Sep 22, 9:36 am)

Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 11:45 am)

Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 11:52 am)

Re: Unified tracing buffer, Masami Hiramatsu, (Mon Sep 22, 12:45 pm)

Re: Unified tracing buffer, Martin Bligh, (Mon Sep 22, 1:13 pm)

Re: Unified tracing buffer, Masami Hiramatsu, (Mon Sep 22, 1:50 pm)

Re: Unified tracing buffer, Steven Rostedt, (Mon Sep 22, 2:39 pm)

Re: Unified tracing buffer, Masami Hiramatsu, (Mon Sep 22, 3:25 pm)

Re: Unified tracing buffer, Darren Hart, (Mon Sep 22, 4:11 pm)

Re: Unified tracing buffer, Martin Bligh, (Mon Sep 22, 4:16 pm)

Re: Unified tracing buffer, Masami Hiramatsu, (Mon Sep 22, 5:04 pm)

Re: Unified tracing buffer, Masami Hiramatsu, (Mon Sep 22, 5:05 pm)

Re: Unified tracing buffer, Martin Bligh, (Mon Sep 22, 5:12 pm)

Re: Unified tracing buffer, Linus Torvalds, (Mon Sep 22, 5:39 pm)

Re: Unified tracing buffer, Roland Dreier, (Mon Sep 22, 6:26 pm)

Re: Unified tracing buffer, Steven Rostedt, (Mon Sep 22, 6:39 pm)

Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 7:02 pm)

Re: Unified tracing buffer, Darren Hart, (Mon Sep 22, 7:26 pm)

Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 7:30 pm)

Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 7:31 pm)

Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 7:36 pm)

Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 7:49 pm)

Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 8:05 pm)

Re: Unified tracing buffer, Masami Hiramatsu, (Mon Sep 22, 8:06 pm)

Re: Unified tracing buffer, Linus Torvalds, (Mon Sep 22, 8:26 pm)

Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 8:27 pm)

Re: Unified tracing buffer, Andi Kleen, (Mon Sep 22, 8:33 pm)

Re: Unified tracing buffer, Mathieu Desnoyers, (Mon Sep 22, 8:36 pm)

Re: Unified tracing buffer, Steven Rostedt, (Mon Sep 22, 8:43 pm)

Re: Unified tracing buffer, Martin Bligh, (Mon Sep 22, 8:47 pm)

Re: Unified tracing buffer, Linus Torvalds, (Mon Sep 22, 9:05 pm)

Re: Unified tracing buffer, Masami Hiramatsu, (Mon Sep 22, 9:10 pm)

Re: Unified tracing buffer, Martin Bligh, (Mon Sep 22, 9:17 pm)

Re: Unified tracing buffer, Linus Torvalds, (Mon Sep 22, 9:19 pm)

Re: Unified tracing buffer, Andi Kleen, (Mon Sep 22, 10:04 pm)

Re: Unified tracing buffer, Tom Zanussi, (Mon Sep 22, 10:25 pm)

[PATCH 1/3] relay - clean up subbuf switch, Tom Zanussi, (Mon Sep 22, 10:27 pm)

[PATCH 2/3] relay - make subbuf switch replaceable, Tom Zanussi, (Mon Sep 22, 10:27 pm)

[PATCH 3/3] relay - add channel flags, Tom Zanussi, (Mon Sep 22, 10:27 pm)

Re: Unified tracing buffer, Peter Zijlstra, (Tue Sep 23, 2:31 am)

Re: Unified tracing buffer, Steven Rostedt, (Tue Sep 23, 3:53 am)

Re: Unified tracing buffer, Mathieu Desnoyers, (Tue Sep 23, 6:50 am)

Re: Unified tracing buffer, Martin Bligh, (Tue Sep 23, 7:00 am)

Re: Unified tracing buffer, Mathieu Desnoyers, (Tue Sep 23, 7:12 am)

Re: Unified tracing buffer, KOSAKI Motohiro, (Tue Sep 23, 7:36 am)

Re: Unified tracing buffer, Masami Hiramatsu, (Tue Sep 23, 7:49 am)

Re: Unified tracing buffer, Frank Ch. Eigler, (Tue Sep 23, 8:02 am)

Re: Unified tracing buffer, Mathieu Desnoyers, (Tue Sep 23, 8:04 am)

Re: Unified tracing buffer, Masami Hiramatsu, (Tue Sep 23, 8:21 am)

Re: Unified tracing buffer, Masami Hiramatsu, (Tue Sep 23, 8:23 am)

Re: Unified tracing buffer, Masami Hiramatsu, (Tue Sep 23, 8:30 am)

Re: Unified tracing buffer, Linus Torvalds, (Tue Sep 23, 8:46 am)

Re: Unified tracing buffer, Linus Torvalds, (Tue Sep 23, 9:01 am)

Re: Unified tracing buffer, Masami Hiramatsu, (Tue Sep 23, 10:04 am)

Re: Unified tracing buffer, Thomas Gleixner, (Tue Sep 23, 10:30 am)

Re: Unified tracing buffer, K.Prasad, (Tue Sep 23, 10:55 am)

Re: Unified tracing buffer, KOSAKI Motohiro, (Tue Sep 23, 10:59 am)

Re: Unified tracing buffer, Mathieu Desnoyers, (Tue Sep 23, 11:13 am)

Re: Unified tracing buffer, Martin Bligh, (Tue Sep 23, 11:27 am)

Re: Unified tracing buffer, Martin Bligh, (Tue Sep 23, 11:28 am)

Re: Unified tracing buffer, Christoph Lameter, (Tue Sep 23, 11:33 am)

Re: Unified tracing buffer, Linus Torvalds, (Tue Sep 23, 11:56 am)

Re: Unified tracing buffer, Masami Hiramatsu, (Tue Sep 23, 11:59 am)

Re: Unified tracing buffer, Thomas Gleixner, (Tue Sep 23, 12:36 pm)

Re: Unified tracing buffer, Martin Bligh, (Tue Sep 23, 12:38 pm)

Re: Unified tracing buffer, Thomas Gleixner, (Tue Sep 23, 12:41 pm)

Re: Unified tracing buffer, Martin Bligh, (Tue Sep 23, 12:50 pm)

Re: Unified tracing buffer, Thomas Gleixner, (Tue Sep 23, 1:03 pm)

Re: Unified tracing buffer, Masami Hiramatsu, (Tue Sep 23, 1:03 pm)

Re: Unified tracing buffer, Thomas Gleixner, (Tue Sep 23, 1:08 pm)

Re: [PATCH 1/3] relay - clean up subbuf switch, Andrew Morton, (Tue Sep 23, 1:15 pm)

Re: [PATCH 2/3] relay - make subbuf switch replaceable, Andrew Morton, (Tue Sep 23, 1:17 pm)

Re: [PATCH 3/3] relay - add channel flags, Andrew Morton, (Tue Sep 23, 1:20 pm)

Re: Unified tracing buffer, Martin Bligh, (Tue Sep 23, 2:02 pm)

Re: Unified tracing buffer, Tom Zanussi, (Tue Sep 23, 8:50 pm)

Re: [PATCH 3/3] relay - add channel flags, Tom Zanussi, (Tue Sep 23, 8:57 pm)

Re: Unified tracing buffer, K.Prasad, (Tue Sep 23, 10:42 pm)

[RFC PATCH 0/8] current relay cleanup patchset, Tom Zanussi, (Wed Sep 24, 11:07 pm)

[RFC PATCH 1/8] relay - Clean up relay_switch_subbuf() and ..., Tom Zanussi, (Wed Sep 24, 11:07 pm)

[RFC PATCH 2/8] relay - Make the relay sub-buffer switch c ..., Tom Zanussi, (Wed Sep 24, 11:07 pm)

[RFC PATCH 3/8] relay - Add channel flags to relay, remove ..., Tom Zanussi, (Wed Sep 24, 11:07 pm)

[RFC PATCH 4/8] relay - Add reserved param to switch-subbu ..., Tom Zanussi, (Wed Sep 24, 11:07 pm)

[RFC PATCH 5/8] relay - Map the first sub-buffer at the en ..., Tom Zanussi, (Wed Sep 24, 11:07 pm)

[RFC PATCH 6/8] relay - Replace relay_reserve/relay_write ..., Tom Zanussi, (Wed Sep 24, 11:07 pm)

[RFC PATCH 7/8] relay - Remove padding-related code from r ..., Tom Zanussi, (Wed Sep 24, 11:07 pm)

[RFC PATCH 8/8] relay - Clean up remaining padding-related ..., Tom Zanussi, (Wed Sep 24, 11:08 pm)

Re: Unified tracing buffer, Jason Baron, (Thu Oct 2, 8:28 am)

Re: Unified tracing buffer, Mathieu Desnoyers, (Fri Oct 3, 9:11 am)

Re: Unified tracing buffer, Jason Baron, (Fri Oct 3, 11:37 am)

Re: Unified tracing buffer, Mathieu Desnoyers, (Fri Oct 3, 12:10 pm)

Re: Unified tracing buffer, Jason Baron, (Fri Oct 3, 12:25 pm)

Re: Unified tracing buffer, Mathieu Desnoyers, (Fri Oct 3, 12:56 pm)

Re: Unified tracing buffer, Jason Baron, (Fri Oct 3, 1:25 pm)

Re: Unified tracing buffer, Frank Ch. Eigler, (Fri Oct 3, 2:52 pm)


linux-kernel:
Rafael J. Wysocki	[Bug #16136] Linux 2.6.34 causes system lockup on Compaq Presario 2200 Laptop
Joerg Roedel	Re: [patch] dma-debug: off by one issue
Tetsuo Handa	Re: [AppArmor #7 0/13] AppArmor security module
Pekka Enberg	Re: BUG in free_block (tainted)
Jakub Narebski	Re: [PATCH] gitweb: Fix shortlog only showing HEAD revision.
git:
Christian Stimming	git-gui: Fix broken revert confirmation.
Johannes Schindelin	Re: [PATCH 2/2] git-svn: support fetch with autocrlf on
Mark Burton	Re: [PATCH] builtin-branch: highlight current remote branches with an asterisk
Junio C Hamano	Re: git-svnimport
Junio C Hamano	Re: [PATCH 6/6] Teach core object handling functions about gitlinks
linux-netdev:
Nick Piggin	Re: Kernel WARNING: at net/core/dev.c:1330 __netif_schedule+0x2c/0x98()
Daniel Lezcano	getsockopt(TCP_DEFER_ACCEPT) value change
David Miller	Re: 2.6.27.18: bnx2/tg3: BUG: "scheduling while atomic" trying to ifenslave a seco...
Amit Kumar Salecha	[PATCH NEXT 10/10] qlcnic: add cksum flag
Patrick McHardy	Re: [PATCH RESEND 1/3] netfilter: xtables: inclusion of xt_condition
git-commits-head:
Linux Kernel Mailing List	ath9k_htc: Allocate URBs properly
Linux Kernel Mailing List	ath9k: Added get_survey callback in order to get channel noise
Linux Kernel Mailing List	ALSA: snd-usb-caiaq: Do not expose hardware input mode 0 of A4DJ
Linux Kernel Mailing List	cpumask: make irq_set_affinity() take a const struct cpumask
Linux Kernel Mailing List	V4L/DVB (9041): Add support YUAN High-Tech STK7700D (1164:1f08)
openbsd-misc:
Conor	Re: RFID Reader
Josh Grosse	ssh/sshd challenge-response seems to have stopped working in -current
Stuart Henderson	Re: SquidGuard problem
Henning Brauer	Re: 3ware hardware raid support?
Ryan McBride	Re: Packets Per Second Limit?