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[PATCH] spapr/xive: remove redundant check in spapr_match_nvt()

From: Cédric Le Goater
Subject: [PATCH] spapr/xive: remove redundant check in spapr_match_nvt()
Date: Mon, 6 Jan 2020 17:32:07 +0100

spapr_match_nvt() is a XIVE operation and it used by the machine to
look for a matching target when an event notification is being
delivered. An assert checks that spapr_match_nvt() is called only when
the machine has selected the XIVE interrupt mode but it is redundant
with the XIVE_PRESENTER() dynamic cast.

Apply the cast to spapr->active_intc and remove the assert.

Signed-off-by: Cédric Le Goater <address@hidden>
 hw/ppc/spapr.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index e62c89b3dd40..5008b7563173 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -4198,19 +4198,19 @@ static void spapr_pic_print_info(InterruptStatsProvider 
                    kvm_irqchip_in_kernel() ? "in-kernel" : "emulated");
+ * This is a XIVE only operation
+ */
 static int spapr_match_nvt(XiveFabric *xfb, uint8_t format,
                            uint8_t nvt_blk, uint32_t nvt_idx,
                            bool cam_ignore, uint8_t priority,
                            uint32_t logic_serv, XiveTCTXMatch *match)
     SpaprMachineState *spapr = SPAPR_MACHINE(xfb);
-    XivePresenter *xptr = XIVE_PRESENTER(spapr->xive);
+    XivePresenter *xptr = XIVE_PRESENTER(spapr->active_intc);
     XivePresenterClass *xpc = XIVE_PRESENTER_GET_CLASS(xptr);
     int count;
-    /* This is a XIVE only operation */
-    assert(spapr->active_intc == SPAPR_INTC(spapr->xive));
     count = xpc->match_nvt(xptr, format, nvt_blk, nvt_idx, cam_ignore,
                            priority, logic_serv, match);
     if (count < 0) {

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