From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: Manfred Spraul <manfred@colorfullife.com>,
Linus Torvalds <torvalds@osdl.org>,
viro@parcelfarce.linux.theplanet.co.uk,
Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] disable_irq()/enable_irq() semantics and ide-probe.c
Date: Thu, 09 Oct 2003 19:07:07 +0200 [thread overview]
Message-ID: <1065719227.663.6.camel@gaston> (raw)
In-Reply-To: <3F8594CD.1030504@pobox.com>
On Thu, 2003-10-09 at 19:03, Jeff Garzik wrote:
> Easily solved with a synchronize_irq() ;-)
No. synchronize_irq will do nothing to an irq that is
still somewhere in the HW path from the device to the core,
and even in the core it may be queued for some cycles before
actually delivered.
next prev parent reply other threads:[~2003-10-09 17:07 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-09 16:10 [RFC] disable_irq()/enable_irq() semantics and ide-probe.c Manfred Spraul
2003-10-09 16:38 ` Jeff Garzik
2003-10-09 16:57 ` Benjamin Herrenschmidt
2003-10-09 17:03 ` Jeff Garzik
2003-10-09 17:07 ` Benjamin Herrenschmidt [this message]
2003-10-09 17:16 ` Jeff Garzik
2003-10-09 17:29 ` Linus Torvalds
2003-10-09 17:52 ` Jeff Garzik
-- strict thread matches above, loose matches on Subject: below --
2003-10-09 2:00 viro
2003-10-09 2:29 ` Linus Torvalds
2003-10-09 2:43 ` viro
2003-10-09 2:53 ` Linus Torvalds
2003-10-09 8:03 ` Russell King
2003-10-09 22:46 ` Zwane Mwaikambo
2003-10-09 8:07 ` Benjamin Herrenschmidt
2003-10-09 15:46 ` viro
2003-10-09 16:01 ` Linus Torvalds
2003-10-09 17:46 ` viro
2003-10-09 18:03 ` Linus Torvalds
2003-10-09 18:27 ` viro
2003-10-09 19:05 ` Linus Torvalds
2003-10-15 17:14 ` Anton Blanchard
2003-10-17 9:19 ` Russell King
2003-10-17 10:32 ` Benjamin Herrenschmidt
2003-10-09 12:55 ` Roman Zippel
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