Messages in this thread | | | Subject | RE: [PATCH 2/2] x86_64 irq: Handle irqs pending in IRR during irq migration. | Date | Mon, 5 Feb 2007 12:54:13 -0800 | From | "Lu, Yinghai" <> |
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-----Original Message----- From: ebiederm@xmission.com [mailto:ebiederm@xmission.com] Sent: Monday, February 05, 2007 12:37 PM
>The only corner case I can see that might potentially happen is >"apic_in_service_vector() != irq_vector[irq]" and if that is the case >we don't want to migrate, because the precondition that we are in the >irq handler servicing the expected irq isn't true.
Reuse vector could help in that case.
In another case, if two irq are migrated from one cpu to another cpu. ack_apic_edge for irq2 could use get apci_in_servier_vector for irq1, and handle that to clear irr for irq1. instead of irq2.
YH
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