Author: royger Date: Thu Sep 13 07:07:13 2018 New Revision: 338625 URL: https://svnweb.freebsd.org/changeset/base/338625
Log: xen: fix PV IPI setup So that it's done when the vcpu_id has been set. For the BSP the vcpu_id is set at SUB_INTR, while for the APs it's done in init_secondary_tail that's called at SUB_SMP order FIRST. Reported and tested by: cperciva Approved by: re (gjb) Sponsored by: Citrix Systems R&D Differential revision: https://reviews.freebsd.org/D17013 Modified: head/sys/x86/xen/xen_apic.c Modified: head/sys/x86/xen/xen_apic.c ============================================================================== --- head/sys/x86/xen/xen_apic.c Thu Sep 13 07:05:51 2018 (r338624) +++ head/sys/x86/xen/xen_apic.c Thu Sep 13 07:07:13 2018 (r338625) @@ -592,6 +592,6 @@ xen_setup_cpus(void) apic_ops.ipi_vectored = xen_pv_lapic_ipi_vectored; } -/* We need to setup IPIs before APs are started */ -SYSINIT(xen_setup_cpus, SI_SUB_SMP-1, SI_ORDER_FIRST, xen_setup_cpus, NULL); +/* Switch to using PV IPIs as soon as the vcpu_id is set. */ +SYSINIT(xen_setup_cpus, SI_SUB_SMP, SI_ORDER_SECOND, xen_setup_cpus, NULL); #endif /* SMP */ _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
