Message ID | 1478468563-5396-11-git-send-email-boris.ostrovsky@oracle.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
diff --git a/xen/arch/x86/domctl.c b/xen/arch/x86/domctl.c index 78b7d4b..8151fd7 100644 --- a/xen/arch/x86/domctl.c +++ b/xen/arch/x86/domctl.c @@ -1439,6 +1439,18 @@ long arch_do_domctl( break; d->arch.avail_vcpus = num; + + /* + * For PVH guests we need to send an SCI and set enable/status + * bits in GPE block (DSDT specifies _E02, so it's bit 2). + */ + if ( is_hvm_domain(d) && d->arch.hvm_domain.ioreq_gmfn.mask == 0 ) + { + d->arch.hvm_domain.acpi_io.gpe[2] = + d->arch.hvm_domain.acpi_io.gpe[0] = 4; + send_guest_vcpu_virq(d->vcpu[0], VIRQ_SCI); + } + ret = 0; break; }
.. and update GPE0 registers. Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> --- xen/arch/x86/domctl.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)