On Thu, Jan 31, 2019 at 10:47:30AM +0000, Paul Durrant wrote: > This patch adds an implementation of the hypercall as documented in the > specification [1], section 10.5.2. This enlightenment, as with others, is > advertised by CPUID leaf 0x40000004 and is under control of a new > 'hcall_ipi' option in libxl. > > If used, this enlightenment should mean the guest only takes a single VMEXIT > to issue IPIs to multiple vCPUs rather than the multiple VMEXITs that would > result from using the emulated local APIC. > > [1] > https://github.com/MicrosoftDocs/Virtualization-Documentation/raw/live/tlfs/Hypervisor%20Top%20Level%20Functional%20Specification%20v5.0C.pdf > > Signed-off-by: Paul Durrant <paul.durr...@citrix.com> > --- > Cc: Ian Jackson <ian.jack...@eu.citrix.com> > Cc: Wei Liu <wei.l...@citrix.com> > Cc: Andrew Cooper <andrew.coop...@citrix.com> > Cc: George Dunlap <george.dun...@eu.citrix.com> > Cc: Jan Beulich <jbeul...@suse.com> > Cc: Julien Grall <julien.gr...@arm.com> > Cc: Konrad Rzeszutek Wilk <konrad.w...@oracle.com> > Cc: Stefano Stabellini <sstabell...@kernel.org> > Cc: Tim Deegan <t...@xen.org> > Cc: "Roger Pau Monné" <roger....@citrix.com> > --- > docs/man/xl.cfg.5.pod.in | 6 +++ > tools/libxl/libxl.h | 6 +++ > tools/libxl/libxl_dom.c | 3 ++ > tools/libxl/libxl_types.idl | 1 +
Acked-by: Wei Liu <wei.l...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
