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-rw-r--r--hw/phb3.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/phb3.c b/hw/phb3.c
index 33ceee8..e246e46 100644
--- a/hw/phb3.c
+++ b/hw/phb3.c
@@ -1789,6 +1789,8 @@ static int64_t phb3_msi_set_xive(struct irq_source *is, uint32_t isn,
ive_num > PHB3_MSI_IRQ_MAX)
return OPAL_PARAMETER;
+ phb_lock(&p->phb);
+
/*
* We need strip the link from server. As Milton told
* me, the server is assigned as follows and the left
@@ -1850,6 +1852,8 @@ static int64_t phb3_msi_set_xive(struct irq_source *is, uint32_t isn,
out_be64(p->regs + PHB_IVC_UPDATE, ivc);
}
+ phb_unlock(&p->phb);
+
return OPAL_SUCCESS;
}
@@ -1900,6 +1904,8 @@ static int64_t phb3_lsi_set_xive(struct irq_source *is, uint32_t isn,
lxive = SETFIELD(IODA2_LXIVT_SERVER, 0ul, server);
lxive = SETFIELD(IODA2_LXIVT_PRIORITY, lxive, prio);
+ phb_lock(&p->phb);
+
/*
* We cache the arguments because we have to mangle
* it in order to hijack 3 bits of priority to extend
@@ -1915,6 +1921,8 @@ static int64_t phb3_lsi_set_xive(struct irq_source *is, uint32_t isn,
lxive = SETFIELD(IODA2_LXIVT_PRIORITY, lxive, prio);
out_be64(p->regs + PHB_IODA_DATA0, lxive);
+ phb_unlock(&p->phb);
+
return OPAL_SUCCESS;
}