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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen master] mini-os: don't require XEN_HAVE_PV_UPCALL_MASK
commit 6cae37fc8ba1e1caa277fd25ad18153fadb40e81
Author: Thomas Leonard <talex5@xxxxxxxxx>
AuthorDate: Thu Jun 26 12:28:26 2014 +0100
Commit: Ian Campbell <ian.campbell@xxxxxxxxxx>
CommitDate: Fri Jun 27 13:38:35 2014 +0100
mini-os: don't require XEN_HAVE_PV_UPCALL_MASK
This isn't available on ARM.
Signed-off-by: Thomas Leonard <talex5@xxxxxxxxx>
Acked-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
---
extras/mini-os/hypervisor.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/extras/mini-os/hypervisor.c b/extras/mini-os/hypervisor.c
index c5de872..1b61d9b 100644
--- a/extras/mini-os/hypervisor.c
+++ b/extras/mini-os/hypervisor.c
@@ -73,18 +73,26 @@ void do_hypervisor_callback(struct pt_regs *regs)
void force_evtchn_callback(void)
{
+#ifdef XEN_HAVE_PV_UPCALL_MASK
int save;
+#endif
vcpu_info_t *vcpu;
vcpu = &HYPERVISOR_shared_info->vcpu_info[smp_processor_id()];
+#ifdef XEN_HAVE_PV_UPCALL_MASK
save = vcpu->evtchn_upcall_mask;
+#endif
while (vcpu->evtchn_upcall_pending) {
+#ifdef XEN_HAVE_PV_UPCALL_MASK
vcpu->evtchn_upcall_mask = 1;
+#endif
barrier();
do_hypervisor_callback(NULL);
barrier();
+#ifdef XEN_HAVE_PV_UPCALL_MASK
vcpu->evtchn_upcall_mask = save;
barrier();
+#endif
};
}
@@ -110,7 +118,9 @@ inline void unmask_evtchn(uint32_t port)
&vcpu_info->evtchn_pending_sel) )
{
vcpu_info->evtchn_upcall_pending = 1;
+#ifdef XEN_HAVE_PV_UPCALL_MASK
if ( !vcpu_info->evtchn_upcall_mask )
+#endif
force_evtchn_callback();
}
}
--
generated by git-patchbot for /home/xen/git/xen.git#master
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