Date: Thu, 19 Jul 2018 08:00:52 +0000 (UTC) From: =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= <royger@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r336472 - head/sys/dev/xen/pvcpu Message-ID: <201807190800.w6J80qT1060911@repo.freebsd.org>
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Author: royger Date: Thu Jul 19 08:00:52 2018 New Revision: 336472 URL: https://svnweb.freebsd.org/changeset/base/336472 Log: xen: attach the PV CPU if no CPU device is present When booted as PVHv2, there's no ACPI CPU object, so attach the PV CPU device in order to take it's place. This is required in case some device or driver tries to poke at the PCPU device field. Sponsored by: Citrix Systems R&D Modified: head/sys/dev/xen/pvcpu/pvcpu.c Modified: head/sys/dev/xen/pvcpu/pvcpu.c ============================================================================== --- head/sys/dev/xen/pvcpu/pvcpu.c Thu Jul 19 07:58:24 2018 (r336471) +++ head/sys/dev/xen/pvcpu/pvcpu.c Thu Jul 19 08:00:52 2018 (r336472) @@ -49,8 +49,8 @@ xenpvcpu_identify(driver_t *driver, device_t parent) { int i; - /* Only attach to PV guests, HVM guests use the ACPI CPU devices */ - if (!xen_pv_domain()) + /* Only attach in case the per-CPU device is not set. */ + if (!xen_domain() || PCPU_GET(device) != NULL) return; CPU_FOREACH(i) {
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