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Date: Thu, 13 Dec 2007 10:26:18 +0000 From: Russell King <rmk+lkml@....linux.org.uk> To: Steven Rostedt <rostedt@...dmis.org> Cc: LKML <linux-kernel@...r.kernel.org>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>, Remy Bohmer <linux@...mer.net>, Daniel Walker <dwalker@...sta.com>, Linus Torvalds <torvalds@...ux-foundation.org>, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [PATCH] Revert lazy irq disable for simple irqs On Wed, Dec 12, 2007 at 03:20:10PM -0500, Steven Rostedt wrote: > > [This patch *is* for mainline Linux] > > In commit 76d2160147f43f982dfe881404cfde9fd0a9da21 lazy irq disabling > was implemented, and the simple irq handler had a masking set to it. > > Remy Bohmer discovered that some devices in the ARM architecture > would trigger the mask, but never unmask it. His patch to do the > unmasking was questioned by Russell King about masking simple irqs > to begin with. Looking further, it was discovered that the problems > Remy was seeing was due to improper use of the simple handler by > devices, and he later submitted patches to fix those. But the issue > that was uncovered was that the simple handler should never mask. > > This patch reverts the masking in the simple handler. > > Signed-off-by: Steven Rostedt <srostedt@...hat.com> Thanks. Acked-by: Russell King <rmk+kernel@....linux.org.uk> -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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