Date: Tue, 8 Jan 2013 01:33:23 +0000 (UTC) From: "Cherry G. Mathew" <cherry@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r245142 - projects/amd64_xen_pv/sys/amd64/xen Message-ID: <201301080133.r081XNkj061926@svn.freebsd.org>
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Author: cherry Date: Tue Jan 8 01:33:22 2013 New Revision: 245142 URL: http://svnweb.freebsd.org/changeset/base/245142 Log: Add xen_pt_user_switch() Approved by: gibbs(implicit) Modified: projects/amd64_xen_pv/sys/amd64/xen/mm.c Modified: projects/amd64_xen_pv/sys/amd64/xen/mm.c ============================================================================== --- projects/amd64_xen_pv/sys/amd64/xen/mm.c Tue Jan 8 01:31:31 2013 (r245141) +++ projects/amd64_xen_pv/sys/amd64/xen/mm.c Tue Jan 8 01:33:22 2013 (r245142) @@ -181,6 +181,20 @@ xen_pt_switch(vm_paddr_t kpml4phys) } void +xen_pt_user_switch(vm_paddr_t upml4phys) +{ + struct mmuext_op op; +#ifdef INVARIANTS + SET_VCPU(); + + KASSERT(XPQ_IDX == 0, ("pending operations XPQ_IDX=%d", XPQ_IDX)); +#endif + op.cmd = MMUEXT_NEW_USER_BASEPTR; + op.arg1.mfn = xpmap_ptom(upml4phys) >> PAGE_SHIFT; + PANIC_IF(HYPERVISOR_mmuext_op(&op, 1, NULL, DOMID_SELF) < 0); +} + +void _xen_machphys_update(vm_paddr_t mfn, vm_paddr_t pfn, char *file, int line) { SET_VCPU();
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