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Hold per-queue locks when clearing config of queues for safety

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This commit is contained in:
yamaguchi 2020-02-25 07:31:19 +00:00
parent ab5a0b3d6d
commit 1ac38ddfd7
1 changed files with 7 additions and 2 deletions
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9
sys/dev/pci/if_ixl.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_ixl.c,v 1.47 2020/02/25 07:22:18 yamaguchi Exp $ */
/* $NetBSD: if_ixl.c,v 1.48 2020/02/25 07:31:19 yamaguchi Exp $ */
/*
* Copyright (c) 2013-2015, Intel Corporation
@ -74,7 +74,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_ixl.c,v 1.47 2020/02/25 07:22:18 yamaguchi Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_ixl.c,v 1.48 2020/02/25 07:31:19 yamaguchi Exp $");
#ifdef _KERNEL_OPT
#include "opt_net_mpsafe.h"
@ -2293,8 +2293,13 @@ ixl_stop_locked(struct ixl_softc *sc)
txr = sc->sc_qps[i].qp_txr;
rxr = sc->sc_qps[i].qp_rxr;
mutex_enter(&txr->txr_lock);
ixl_txr_unconfig(sc, txr);
mutex_exit(&txr->txr_lock);
mutex_enter(&rxr->rxr_lock);
ixl_rxr_unconfig(sc, rxr);
mutex_exit(&rxr->rxr_lock);
ixl_txr_clean(sc, txr);
ixl_rxr_clean(sc, rxr);