On Thu, Jan 31, 2019 at 06:17:31PM +0800, lantianyu1986@xxxxxxxxx wrote: > From: Lan Tianyu <Tianyu.Lan@xxxxxxxxxxxxx> > > Hyper-V doesn't provide irq remapping for IO-APIC. To enable x2apic, > set x2apic destination mode to physcial mode when x2apic is available > and Hyper-V IOMMU driver makes sure cpus assigned with IO-APIC irqs have > 8-bit APIC id. > > Signed-off-by: Lan Tianyu <Tianyu.Lan@xxxxxxxxxxxxx> > --- > arch/x86/kernel/cpu/mshyperv.c | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c > index e81a2db..9d62f33 100644 > --- a/arch/x86/kernel/cpu/mshyperv.c > +++ b/arch/x86/kernel/cpu/mshyperv.c > @@ -36,6 +36,8 @@ > struct ms_hyperv_info ms_hyperv; > EXPORT_SYMBOL_GPL(ms_hyperv); > > +extern int x2apic_phys; Shouldn't this be in a .h file somewhere instead? thanks, greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
