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    SubjectRe: [Xen-devel] [PATCH] xen: use the pirq number to check the pirq_eoi_map
    On Thu, 26 Apr 2012, David Vrabel wrote:
    > On 25/04/12 16:11, Stefano Stabellini wrote:
    > > In pirq_check_eoi_map use the pirq number rather than the Linux irq
    > > number to check whether an eoi is needed in the pirq_eoi_map.
    > What buggy behaviour does this patch fix? It would be nice if this was
    > included in the patch description.

    The irq number is not always identical to the pirq number so if we
    wrongly use the irq number to check the pirq_eoi_map we are going to
    check for the wrong pirq to EOI. As a consequence some interrupts might
    not be EOI'ed by the guest correctly.

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      Last update: 2012-04-26 13:17    [W:0.022 / U:23.212 seconds]
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