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SubjectRe: [PATCH RT] Revert Softdisable for simple irqs.
On Wed, Dec 12, 2007 at 02:40:09PM -0500, Steven Rostedt wrote:
> 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.
> [Note: This version is for the RT patch, and the IRQ_PENDING is needed
> for threaded IRQs]
> Signed-off-by: Steven Rostedt <>

Acked-by: Russell King <>

Thanks for submitting this.

Russell King
Linux kernel 2.6 ARM Linux -
maintainer of:

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