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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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      Last update: 2007-12-12 20:49    [W:0.020 / U:6.064 seconds]
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