Module Name: src Committed By: bouyer Date: Sun Nov 14 13:40:32 UTC 2010
Modified Files: src/sys/arch/xen/include: i82489var.h Log Message: Explain why we hardwire lapic_cpu_number() to 0 on Xen. To generate a diff of this commit: cvs rdiff -u -r1.1 -r1.2 src/sys/arch/xen/include/i82489var.h Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/arch/xen/include/i82489var.h diff -u src/sys/arch/xen/include/i82489var.h:1.1 src/sys/arch/xen/include/i82489var.h:1.2 --- src/sys/arch/xen/include/i82489var.h:1.1 Thu Sep 28 18:53:15 2006 +++ src/sys/arch/xen/include/i82489var.h Sun Nov 14 13:40:31 2010 @@ -1,5 +1,11 @@ -/* $NetBSD: i82489var.h,v 1.1 2006/09/28 18:53:15 bouyer Exp $ */ +/* $NetBSD: i82489var.h,v 1.2 2010/11/14 13:40:31 bouyer Exp $ */ #include <x86/i82489var.h> + +/* + * Xen doesn't give acces to the lapic. In addition, the lapic number provided + * by the dom0 to Xen when setting up iopics is ignored, the hypervisor will + * decide itself to which physical CPU the interrupt should be routed to. + */ #undef lapic_cpu_number #define lapic_cpu_number() (0)