Re: [patch (take 2)] genirq: fix simple and fasteoi irq handlers

view
thread

!MAILaRCHIVE_VOTE_RePLACE

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

To: Jarek Poplawski <jarkao2@...>

Cc: Gabriel C <nix.or.die@...>, Linus Torvalds <torvalds@...>, Thomas Gleixner <tglx@...>, Jean-Baptiste Vignaud <vignaud@...>, linux-kernel <linux-kernel@...>, shemminger <shemminger@...>, linux-net <linux-net@...>, netdev <netdev@...>, Andrew Morton <akpm@...>, Alan Cox <alan@...>, <marcin.slusarz@...>

Subject: Re: [patch (take 2)] genirq: fix simple and fasteoi irq handlers

Date: Monday, August 6, 2007 - 2:14 am

* Jarek Poplawski <jarkao2@o2.pl> wrote:

quoted text> Subject: genirq: fix simple and fasteoi irq handlers
> 
> After the "genirq: do not mask interrupts by default" patch interrupts 
> should be disabled not immediately upon request, but after they 
> happen. But, handle_simple_irq() and handle_fasteoi_irq() can skip 
> this once or more if an irq is just serviced (IRQ_INPROGRESS), 
> possibly disrupting a driver's work.

nice fix. I think this is exactly the type of bug we were hoping to be 
able to identify and fix, and it could explain the regression in its 
entirety. The big question - does it fix Marcin's regression?

	Ingo
-
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:

Re: 2.6.20->2.6.21 - networking dies after random time, Jean-Baptiste Vignaud, (Fri Jun 29, 4:50 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Jarek Poplawski, (Fri Jun 29, 11:07 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Marcin Ślusarz, (Mon Jul 23, 1:44 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Ingo Molnar, (Tue Jul 24, 4:05 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Ingo Molnar, (Tue Jul 24, 5:42 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Linus Torvalds, (Tue Jul 24, 3:30 pm)

Re: 2.6.20->2.6.21 - networking dies after random time, Ingo Molnar, (Tue Jul 24, 4:04 pm)

Re: 2.6.20->2.6.21 - networking dies after random time, Thomas Gleixner, (Tue Jul 24, 8:19 pm)

Re: 2.6.20->2.6.21 - networking dies after random time, Marcin Ślusarz, (Thu Jul 26, 3:16 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Ingo Molnar, (Thu Jul 26, 4:16 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Jarek Poplawski, (Thu Jul 26, 4:13 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Thomas Gleixner, (Thu Jul 26, 4:10 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Jarek Poplawski, (Thu Jul 26, 5:11 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Ingo Molnar, (Thu Jul 26, 4:31 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Jarek Poplawski, (Thu Jul 26, 4:55 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Ingo Molnar, (Thu Jul 26, 5:12 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Marcin Ślusarz, (Mon Jul 30, 3:29 am)

[patch] genirq: temporary fix for level-triggered IRQ resend, Ingo Molnar, (Tue Jul 31, 11:58 am)

Re: [patch] genirq: temporary fix for level-triggered IRQ re..., Gabriel C, (Thu Aug 2, 1:03 pm)

Re: [patch] genirq: temporary fix for level-triggered IRQ re..., Ingo Molnar, (Thu Aug 2, 4:11 pm)

[patch (take 2)] genirq: fix simple and fasteoi irq handlers, Jarek Poplawski, (Mon Aug 6, 2:07 am)

Re: [patch (take 2)] genirq: fix simple and fasteoi irq hand..., Ingo Molnar, (Mon Aug 6, 2:14 am)

Re: [patch (take 2)] genirq: fix simple and fasteoi irq hand..., Jarek Poplawski, (Mon Aug 6, 3:19 am)

Re: [patch (take 2)] genirq: fix simple and fasteoi irq hand..., Marcin Ślusarz, (Mon Aug 6, 3:07 am)

[patch] genirq: fix simple and fasteoi irq handlers, Jarek Poplawski, (Fri Aug 3, 2:07 am)

Re: [patch] genirq: fix simple and fasteoi irq handlers, Marcin Ślusarz, (Mon Aug 6, 3:05 am)

Re: [patch] genirq: fix simple and fasteoi irq handlers, Ingo Molnar, (Fri Aug 3, 4:04 am)

Re: [patch] genirq: fix simple and fasteoi irq handlers, Jarek Poplawski, (Fri Aug 3, 5:10 am)

Re: [patch] genirq: fix simple and fasteoi irq handlers, Marcin Ślusarz, (Fri Aug 3, 7:57 am)

Re: [patch] genirq: fix simple and fasteoi irq handlers, Jarek Poplawski, (Fri Aug 3, 8:26 am)

Re: [patch] genirq: fix simple and fasteoi irq handlers, Ingo Molnar, (Fri Aug 3, 4:46 am)

Re: [patch] genirq: temporary fix for level-triggered IRQ re..., Ingo Molnar, (Tue Jul 31, 12:00 pm)

[patch] genirq: temporary fix for level-triggered IRQ resend, Jarek Poplawski, (Wed Aug 8, 7:00 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Jarek Poplawski, (Tue Jul 31, 9:20 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Marcin Ślusarz, (Mon Aug 6, 3:00 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Ingo Molnar, (Mon Aug 6, 3:03 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Marcin Ślusarz, (Tue Aug 7, 3:46 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Jarek Poplawski, (Tue Aug 7, 4:23 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Chuck Ebbert, (Mon Aug 6, 1:43 pm)

Re: 2.6.20->2.6.21 - networking dies after random time, Jarek Poplawski, (Tue Aug 7, 6:09 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Ingo Molnar, (Mon Aug 6, 3:08 pm)

[RFC] Re: 2.6.20->2.6.21 - networking dies after random time, Jarek Poplawski, (Thu Aug 9, 10:50 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Ingo Molnar, (Mon Jul 30, 4:49 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Marcin Ślusarz, (Wed Aug 1, 3:24 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Ingo Molnar, (Wed Aug 1, 3:27 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Marcin Ślusarz, (Mon Aug 6, 2:58 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Jarek Poplawski, (Thu Jul 26, 4:19 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Jarek Poplawski, (Wed Jul 25, 9:57 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Alan Cox, (Wed Jul 25, 10:46 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Ingo Molnar, (Mon Jul 30, 4:46 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Alan Cox, (Mon Jul 30, 9:05 am)

[PATCH][netdrvr] lib8390: comment on locking by Alan Cox Re:..., Jarek Poplawski, (Thu Jul 26, 8:44 am)

Re: [PATCH][netdrvr] lib8390: comment on locking by Alan Cox..., Jeff Garzik, (Mon Jul 30, 3:47 pm)

Re: [PATCH][netdrvr] lib8390: comment on locking by Alan Cox..., Alan Cox, (Thu Jul 26, 8:47 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Jarek Poplawski, (Wed Jul 25, 3:23 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Jarek Poplawski, (Tue Jul 24, 3:18 am)

Re: 2.6.20->2.6.21 - networking dies after random time, Jarek Poplawski, (Mon Jul 23, 4:53 am)

Navigation

Popular discussions


linux-kernel:
Benjamin Herrenschmidt	Re: [PATCH] Remove process freezer from suspend to RAM pathway
Daniel Walker	Re: [Announce] [patch] Modular Scheduler Core and Completely Fair Scheduler [CFS]
Greg KH	[GIT PATCH] driver core patches against 2.6.24
Andrew Morton	-mm merge plans for 2.6.23
git:

linux-netdev:
David Miller	[GIT]: Networking
Hannes Eder	[PATCH 01/43] drivers/net/at1700.c: fix sparse warning: symbol shadows an earlier ...
Gerrit Renker	[PATCH 16/37] dccp: API to query the current TX/RX CCID
Herbert Xu	Re: [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
openbsd-misc:

Colocation donated by:

Online users

Syndicate