From: Andi Kleen <andi@firstfloor.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@osdl.org>,
LKML <linux-kernel@vger.kernel.org>,
linux-arch@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <peterz@infradead.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Andi Kleen <andi@firstfloor.org>,
David Miller <davem@davemloft.net>,
Greg Kroah-Hartman <gregkh@suse.de>,
Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: Re: [patch 2/2] genirq: Remove IRQF_DISABLED from core code
Date: Fri, 26 Mar 2010 07:20:54 +0100 [thread overview]
Message-ID: <20100326062054.GW20695@one.firstfloor.org> (raw)
In-Reply-To: <20100326000405.991244690@linutronix.de>
On Fri, Mar 26, 2010 at 12:06:55AM -0000, Thomas Gleixner wrote:
> Remove all code which is related to IRQF_DISABLED from the core kernel
> code. IRQF_DISABLED still exists as a flag, but becomes a NOOP and
> will be removed after a grace period. That way we can easily revert to
> the previous behaviour by just restoring the core code.
Perhaps I'm dense but it's not fully clear to me why is suddenly safe to use
the behaviour of this flags on shared interrupts when it wasn't before?
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
next prev parent reply other threads:[~2010-03-26 6:20 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-26 0:06 [patch 0/2] Run interrupt handlers always with interrupts disabled Thomas Gleixner
2010-03-26 0:06 ` [patch 1/2] genirq: Run irq handlers " Thomas Gleixner
2010-03-26 6:13 ` Andi Kleen
2010-03-26 13:05 ` Thomas Gleixner
2010-03-30 5:33 ` Andi Kleen
2010-03-31 11:16 ` Thomas Gleixner
2010-04-02 9:31 ` Pavel Machek
2010-04-02 20:42 ` Thomas Gleixner
2010-04-02 21:09 ` Pavel Machek
2010-04-02 21:31 ` Peter Zijlstra
2010-04-02 22:51 ` Thomas Gleixner
2010-04-03 4:45 ` Pavel Machek
2010-04-03 4:45 ` Pavel Machek
2010-05-25 20:32 ` Venkatesh Pallipadi
2010-03-26 0:06 ` [patch 2/2] genirq: Remove IRQF_DISABLED from core code Thomas Gleixner
2010-03-26 0:06 ` Thomas Gleixner
2010-03-26 6:20 ` Andi Kleen [this message]
2010-03-26 11:19 ` Thomas Gleixner
2010-03-26 11:19 ` Thomas Gleixner
2010-03-26 3:34 ` [patch 0/2] Run interrupt handlers always with interrupts disabled David Miller
2010-03-26 8:14 ` Russell King
2010-03-26 8:14 ` Russell King
2010-03-26 9:20 ` Ingo Molnar
2010-03-26 9:20 ` Ingo Molnar
2010-03-26 9:28 ` Peter Zijlstra
2010-03-26 12:02 ` Jamie Lokier
2010-03-26 9:59 ` Alan Cox
2010-03-26 10:08 ` Peter Zijlstra
2010-03-26 10:12 ` Andi Kleen
2010-03-26 10:53 ` Ingo Molnar
2010-03-26 12:00 ` Nicolas Pitre
2010-03-26 12:06 ` Jamie Lokier
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