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* [dpdk-stable] [PATCH 17.11 1/3] net/sfc/base: remove Falcon-specific concurrency check
@ 2019-01-18 15:59 Andrew Rybchenko
  2019-01-18 15:59 ` [dpdk-stable] [PATCH 17.11 2/3] net/sfc/base: fix out of bounds read when dereferencing sdup Andrew Rybchenko
                   ` (2 more replies)
  0 siblings, 3 replies; 10+ messages in thread
From: Andrew Rybchenko @ 2019-01-18 15:59 UTC (permalink / raw)
  To: stable; +Cc: Ivan Malov

From: Ivan Malov <ivan.malov@oktetlabs.ru>

[ backported from upstream commit 7e9834276bf761e41c92148ac467d14d7ca694f3 ]

Falcon support has been withdrawn from libefx, however, there is still
an obsolete Falcon-specific assertion that efx_mac_stats_upload()
and efx_port_poll() aren't concurrent. To be consistent with an overall
Falcon support revocation it's desirable to remove it.

Fix debug build invalid assertion failure.

Fixes: 19b64c6ac35f ("net/sfc/base: import libefx base")
Fixes: 8c7c723dfe7c ("net/sfc/base: import MAC statistics")
Cc: stable@dpdk.org

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@solarflare.com>
---
 drivers/net/sfc/base/efx_impl.h | 1 -
 drivers/net/sfc/base/efx_mac.c  | 9 ---------
 drivers/net/sfc/base/efx_port.c | 1 -
 3 files changed, 11 deletions(-)

diff --git a/drivers/net/sfc/base/efx_impl.h b/drivers/net/sfc/base/efx_impl.h
index bec20f7..fc56960 100644
--- a/drivers/net/sfc/base/efx_impl.h
+++ b/drivers/net/sfc/base/efx_impl.h
@@ -296,7 +296,6 @@
 	uint32_t		ep_default_adv_cap_mask;
 	uint32_t		ep_phy_cap_mask;
 	boolean_t		ep_mac_drain;
-	boolean_t		ep_mac_stats_pending;
 #if EFSYS_OPT_BIST
 	efx_bist_type_t		ep_current_bist;
 #endif
diff --git a/drivers/net/sfc/base/efx_mac.c b/drivers/net/sfc/base/efx_mac.c
index 752e720..0cf2731 100644
--- a/drivers/net/sfc/base/efx_mac.c
+++ b/drivers/net/sfc/base/efx_mac.c
@@ -751,16 +751,9 @@
 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
 	EFSYS_ASSERT(emop != NULL);
 
-	/*
-	 * Don't assert !ep_mac_stats_pending, because the client might
-	 * have failed to finalise statistics when previously stopping
-	 * the port.
-	 */
 	if ((rc = emop->emo_stats_upload(enp, esmp)) != 0)
 		goto fail1;
 
-	epp->ep_mac_stats_pending = B_TRUE;
-
 	return (0);
 
 fail1:
@@ -820,8 +813,6 @@
 	EFSYS_ASSERT(emop != NULL);
 
 	rc = emop->emo_stats_update(enp, esmp, essp, generationp);
-	if (rc == 0)
-		epp->ep_mac_stats_pending = B_FALSE;
 
 	return (rc);
 }
diff --git a/drivers/net/sfc/base/efx_port.c b/drivers/net/sfc/base/efx_port.c
index ec8a157..41cbe90 100644
--- a/drivers/net/sfc/base/efx_port.c
+++ b/drivers/net/sfc/base/efx_port.c
@@ -109,7 +109,6 @@
 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
 
 	EFSYS_ASSERT(emop != NULL);
-	EFSYS_ASSERT(!epp->ep_mac_stats_pending);
 
 	if (link_modep == NULL)
 		link_modep = &ignore_link_mode;
-- 
1.8.3.1

^ permalink raw reply	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2019-01-22  7:38 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-01-18 15:59 [dpdk-stable] [PATCH 17.11 1/3] net/sfc/base: remove Falcon-specific concurrency check Andrew Rybchenko
2019-01-18 15:59 ` [dpdk-stable] [PATCH 17.11 2/3] net/sfc/base: fix out of bounds read when dereferencing sdup Andrew Rybchenko
2019-01-18 15:59 ` [dpdk-stable] [PATCH 17.11 3/3] net/sfc/base: fix PreFAST warnings because of unused return Andrew Rybchenko
2019-01-19  0:42   ` Yongseok Koh
2019-01-21  6:59     ` Andrew Rybchenko
2019-01-21  6:58 ` [dpdk-stable] [PATCH 17.11 v2 1/3] net/sfc/base: remove Falcon-specific concurrency check Andrew Rybchenko
2019-01-21  6:58   ` [dpdk-stable] [PATCH 17.11 v2 2/3] net/sfc/base: fix out of bounds read when dereferencing sdup Andrew Rybchenko
2019-01-21  6:58   ` [dpdk-stable] [PATCH 17.11 v2 3/3] net/sfc/base: fix PreFAST warnings because of unused return Andrew Rybchenko
2019-01-22  7:38   ` [dpdk-stable] [PATCH 17.11 v2 1/3] net/sfc/base: remove Falcon-specific concurrency check Yongseok Koh
2019-01-22  7:38   ` Yongseok Koh

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