Date: Tue, 9 Dec 2014 11:12:25 +0000 (UTC) From: Roger Pau Monné <royger@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r275641 - head/sys/x86/xen Message-ID: <201412091112.sB9BCPfT093839@svn.freebsd.org>
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Author: royger Date: Tue Dec 9 11:12:24 2014 New Revision: 275641 URL: https://svnweb.freebsd.org/changeset/base/275641 Log: xen: notify ACPI about SCI override If the SCI is remapped to a non-ISA global interrupt notify the ACPI subsystem about the override. Reported by: David P. Discher <dpd@dpdtech.com> Sponsored by: Citrix Systems R&D Modified: head/sys/x86/xen/pvcpu_enum.c Modified: head/sys/x86/xen/pvcpu_enum.c ============================================================================== --- head/sys/x86/xen/pvcpu_enum.c Tue Dec 9 10:31:35 2014 (r275640) +++ head/sys/x86/xen/pvcpu_enum.c Tue Dec 9 11:12:24 2014 (r275641) @@ -91,6 +91,15 @@ madt_parse_interrupt_override(ACPI_MADT_ madt_parse_interrupt_values(intr, &trig, &pol); + /* Remap the IRQ if it is mapped to a different interrupt vector. */ + if (intr->SourceIrq != intr->GlobalIrq && intr->GlobalIrq > 15 && + intr->SourceIrq == AcpiGbl_FADT.SciInterrupt) + /* + * If the SCI is remapped to a non-ISA global interrupt, + * then override the vector we use to setup. + */ + acpi_OverrideInterruptLevel(intr->GlobalIrq); + /* Register the IRQ with the polarity and trigger mode found. */ xen_register_pirq(intr->GlobalIrq, trig, pol); }
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