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xen-devel
Re: [Xen-devel] [GIT PULL] pv/pcifront-2.6.32
On Tue, 2010-03-02 at 03:12 +0000, Konrad Rzeszutek Wilk wrote:
>
> Ian Campbell (1):
> xen: fix off-by-one error in find_unbound_irq
You need to add this commit if you include the above:
commit 716645983e03118d11924cc245cd63fd67c6bfa8
Author: Ian Campbell <ian.campbell@xxxxxxxxxx>
Date: Mon Mar 1 12:06:15 2010 +0000
xen: fix error handling in in find_unbound_irq
68458a36 "fix off-by-one error in find_unbound_irq" introduced an issue with
the error handling in this function. It incorrectly assumed that exiting the
searhc loop with irq == nr_irqs - 1 was an error case when in fact it is
prefectly possible for irq == nr_irqs - 1 to be an available IRQ.
The actual error condition which 68458a36 tried to fix is when start ==
nr_irqs, IOW when there is literaly no interrupts which aren't already h/w
interrupts.
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