xen/irq: Add support to check if IRQ line is shared with other domains.

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We do this via the PHYSDEVOP_irq_status_query support hypervisor call.
We will get a positive value if another domain has binded its
PIRQ to the specified GSI (IRQ line).

[v2: Deal with v2.6.37-rc1 rebase fallout]
[v3: Deal with stable/irq.cleanup fallout]
[v4: xen_ignore_irq->xen_test_irq_shared]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

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Konrad Rzeszutek Wilk 2010-11-08 14:26:36 -05:00

parent beafbdc1df

commit c7c2c3a286

2 changed files with 15 additions and 0 deletions

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drivers/xen/events.c

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