From 1c27b252e7b5d6a54f5083781b1d2a0e425b04df Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Date: Fri, 15 Nov 2019 17:24:20 +0100 Subject: [PATCH] ppc/xive: Check V bit in TM_PULL_POOL_CTX MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit A context should be 'valid' when pulled from the thread interrupt context registers. Signed-off-by: Cédric Le Goater Message-Id: <20191115162436.30548-8-clg@kaod.org> Signed-off-by: David Gibson --- hw/intc/xive.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/hw/intc/xive.c b/hw/intc/xive.c index 42e9a11ef7..511e1a9363 100644 --- a/hw/intc/xive.c +++ b/hw/intc/xive.c @@ -377,6 +377,11 @@ static uint64_t xive_tm_pull_os_ctx(XiveTCTX *tctx, hwaddr offset, qw1w2 = xive_tctx_get_os_cam(tctx, &nvt_blk, &nvt_idx, &vo); + if (!vo) { + qemu_log_mask(LOG_GUEST_ERROR, "XIVE: pulling invalid NVT %x/%x !?\n", + nvt_blk, nvt_idx); + } + /* Invalidate CAM line */ qw1w2_new = xive_set_field32(TM_QW1W2_VO, qw1w2, 0); xive_tctx_set_os_cam(tctx, qw1w2_new);