Re: [PATCH] Revert lazy irq disable for simple irqs

[Russell King <rmk+lkml@arm.linux.org.uk>]

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@redhat.com>

Thanks.

Acked-by: Russell King <rmk+kernel@arm.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@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/