When CPPR priority is decreased, pending interrupts do not need to be
re-checked if one is already presented because by definition that will
be the highest priority.
This prevents a presented group interrupt from being lost.
Signed-off-by: Nicholas Piggin <npig...@gmail.com>
---
hw/intc/xive2.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/hw/intc/xive2.c b/hw/intc/xive2.c
index 0fdf6a4f20..ace5871706 100644
--- a/hw/intc/xive2.c
+++ b/hw/intc/xive2.c
@@ -1250,7 +1250,9 @@ static void xive2_tctx_set_cppr(XiveTCTX *tctx, uint8_t
sig_ring, uint8_t cppr)
}
/* CPPR priority decreased (higher value) */
- xive2_tctx_process_pending(tctx, sig_ring);
+ if (!xive_nsr_indicates_exception(sig_ring, nsr)) {
+ xive2_tctx_process_pending(tctx, sig_ring);
+ }
}
void xive2_tm_set_hv_cppr(XivePresenter *xptr, XiveTCTX *tctx,
--
2.47.1
