On Fri, Mar 02, 2018 at 02:47:13PM +0000, Wei Liu wrote: > Provide the functions needed for different modes. And cpu_has_invpcid. > > Signed-off-by: Wei Liu <wei.l...@citrix.com> > --- > This is useful for Juergen's XPTI improvement series. > > Cc: Jan Beulich <jbeul...@suse.com> > Cc: Andrew Cooper <andrew.coop...@citrix.com> > Cc: Juergen Gross <jgr...@suse.com> > --- > xen/arch/x86/Rules.mk | 1 + > xen/include/asm-x86/cpufeature.h | 1 + > xen/include/asm-x86/invpcid.h | 75 > ++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 77 insertions(+) > create mode 100644 xen/include/asm-x86/invpcid.h > > diff --git a/xen/arch/x86/Rules.mk b/xen/arch/x86/Rules.mk > index 9897deaab9..c941059f42 100644 > --- a/xen/arch/x86/Rules.mk > +++ b/xen/arch/x86/Rules.mk > @@ -23,6 +23,7 @@ $(call as-option-add,CFLAGS,CC,"rdseed > %eax",-DHAVE_GAS_RDSEED) > $(call as-option-add,CFLAGS,CC,".equ \"x\"$$(comma)1", \ > -U__OBJECT_LABEL__ -DHAVE_GAS_QUOTED_SYM \ > '-D__OBJECT_LABEL__=$(subst > $(BASEDIR)/,,$(CURDIR))/$$@') > +$(call as-insn-check,CFLAGS,CC,"invpcid > (%rax)$$(comma)%rax",-DHAVE_GAS_INVPCID)
Ah, and this also needs to be replaced with as-option-add. Wei. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
