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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: netdev@vger.kernel.org
Cc: "Aymen Sghaier" <aymen.sghaier@nxp.com>,
	"Daniel Drake" <dsd@gentoo.org>,
	"David S. Miller" <davem@davemloft.net>,
	"Herbert Xu" <herbert@gondor.apana.org.au>,
	"Horia Geantă" <horia.geanta@nxp.com>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Jon Mason" <jdmason@kudzu.us>, "Jouni Malinen" <j@w1.fi>,
	"Kalle Valo" <kvalo@codeaurora.org>,
	"Leon Romanovsky" <leon@kernel.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-crypto@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-rdma@vger.kernel.org, linux-wireless@vger.kernel.org,
	"Li Yang" <leoyang.li@nxp.com>,
	"Madalin Bucur" <madalin.bucur@nxp.com>,
	"Ping-Ke Shih" <pkshih@realtek.com>,
	"Rain River" <rain.1986.08.12@gmail.com>,
	"Saeed Mahameed" <saeedm@nvidia.com>,
	"Samuel Chessman" <chessman@tux.org>,
	"Ulrich Kunitz" <kune@deine-taler.de>,
	"Zhu Yanjun" <zyjzyj2000@gmail.com>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Sebastian Andrzej Siewior" <bigeasy@linutronix.de>
Subject: [PATCH net-next 09/15] net: hostap: Remove in_atomic() check.
Date: Tue, 27 Oct 2020 23:54:48 +0100	[thread overview]
Message-ID: <20201027225454.3492351-10-bigeasy@linutronix.de> (raw)
In-Reply-To: <20201027225454.3492351-1-bigeasy@linutronix.de>

hostap_get_wireless_stats() is the iw_handler_if::get_wireless_stats()
callback of this driver. This callback was not allowed to sleep until
commit a160ee69c6a46 ("wext: let get_wireless_stats() sleep") in v2.6.32.

Remove the therefore pointless in_atomic() check.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Jouni Malinen <j@w1.fi>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
---
 drivers/net/wireless/intersil/hostap/hostap_ioctl.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c
index 514c7b01dbf6f..49766b285230c 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c
@@ -44,19 +44,8 @@ static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
 
 	if (local->iw_mode != IW_MODE_MASTER &&
 	    local->iw_mode != IW_MODE_REPEAT) {
-		int update = 1;
-#ifdef in_atomic
-		/* RID reading might sleep and it must not be called in
-		 * interrupt context or while atomic. However, this
-		 * function seems to be called while atomic (at least in Linux
-		 * 2.5.59). Update signal quality values only if in suitable
-		 * context. Otherwise, previous values read from tick timer
-		 * will be used. */
-		if (in_atomic())
-			update = 0;
-#endif /* in_atomic */
 
-		if (update && prism2_update_comms_qual(dev) == 0)
+		if (prism2_update_comms_qual(dev) == 0)
 			wstats->qual.updated = IW_QUAL_ALL_UPDATED |
 				IW_QUAL_DBM;
 
-- 
2.28.0


WARNING: multiple messages have this Message-ID (diff)
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: netdev@vger.kernel.org
Cc: "Aymen Sghaier" <aymen.sghaier@nxp.com>,
	"Madalin Bucur" <madalin.bucur@nxp.com>,
	"Sebastian Andrzej Siewior" <bigeasy@linutronix.de>,
	"Zhu Yanjun" <zyjzyj2000@gmail.com>,
	"Samuel Chessman" <chessman@tux.org>,
	"Ping-Ke Shih" <pkshih@realtek.com>,
	"Herbert Xu" <herbert@gondor.apana.org.au>,
	"Horia Geantă" <horia.geanta@nxp.com>,
	linux-rdma@vger.kernel.org,
	"Rain River" <rain.1986.08.12@gmail.com>,
	"Kalle Valo" <kvalo@codeaurora.org>,
	"Ulrich Kunitz" <kune@deine-taler.de>, "Jouni Malinen" <j@w1.fi>,
	"Daniel Drake" <dsd@gentoo.org>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	linux-arm-kernel@lists.infradead.org,
	"Leon Romanovsky" <leon@kernel.org>,
	linuxppc-dev@lists.ozlabs.org, linux-wireless@vger.kernel.org,
	"Li Yang" <leoyang.li@nxp.com>,
	linux-crypto@vger.kernel.org, "Jon Mason" <jdmason@kudzu.us>,
	"Saeed Mahameed" <saeedm@nvidia.com>,
	"David S. Miller" <davem@davemloft.net>
Subject: [PATCH net-next 09/15] net: hostap: Remove in_atomic() check.
Date: Tue, 27 Oct 2020 23:54:48 +0100	[thread overview]
Message-ID: <20201027225454.3492351-10-bigeasy@linutronix.de> (raw)
In-Reply-To: <20201027225454.3492351-1-bigeasy@linutronix.de>

hostap_get_wireless_stats() is the iw_handler_if::get_wireless_stats()
callback of this driver. This callback was not allowed to sleep until
commit a160ee69c6a46 ("wext: let get_wireless_stats() sleep") in v2.6.32.

Remove the therefore pointless in_atomic() check.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Jouni Malinen <j@w1.fi>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
---
 drivers/net/wireless/intersil/hostap/hostap_ioctl.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c
index 514c7b01dbf6f..49766b285230c 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c
@@ -44,19 +44,8 @@ static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
 
 	if (local->iw_mode != IW_MODE_MASTER &&
 	    local->iw_mode != IW_MODE_REPEAT) {
-		int update = 1;
-#ifdef in_atomic
-		/* RID reading might sleep and it must not be called in
-		 * interrupt context or while atomic. However, this
-		 * function seems to be called while atomic (at least in Linux
-		 * 2.5.59). Update signal quality values only if in suitable
-		 * context. Otherwise, previous values read from tick timer
-		 * will be used. */
-		if (in_atomic())
-			update = 0;
-#endif /* in_atomic */
 
-		if (update && prism2_update_comms_qual(dev) == 0)
+		if (prism2_update_comms_qual(dev) == 0)
 			wstats->qual.updated = IW_QUAL_ALL_UPDATED |
 				IW_QUAL_DBM;
 
-- 
2.28.0


WARNING: multiple messages have this Message-ID (diff)
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: netdev@vger.kernel.org
Cc: "Aymen Sghaier" <aymen.sghaier@nxp.com>,
	"Madalin Bucur" <madalin.bucur@nxp.com>,
	"Sebastian Andrzej Siewior" <bigeasy@linutronix.de>,
	"Zhu Yanjun" <zyjzyj2000@gmail.com>,
	"Samuel Chessman" <chessman@tux.org>,
	"Ping-Ke Shih" <pkshih@realtek.com>,
	"Herbert Xu" <herbert@gondor.apana.org.au>,
	"Horia Geantă" <horia.geanta@nxp.com>,
	linux-rdma@vger.kernel.org,
	"Rain River" <rain.1986.08.12@gmail.com>,
	"Kalle Valo" <kvalo@codeaurora.org>,
	"Ulrich Kunitz" <kune@deine-taler.de>, "Jouni Malinen" <j@w1.fi>,
	"Daniel Drake" <dsd@gentoo.org>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	linux-arm-kernel@lists.infradead.org,
	"Leon Romanovsky" <leon@kernel.org>,
	linuxppc-dev@lists.ozlabs.org, linux-wireless@vger.kernel.org,
	"Li Yang" <leoyang.li@nxp.com>,
	linux-crypto@vger.kernel.org, "Jon Mason" <jdmason@kudzu.us>,
	"Saeed Mahameed" <saeedm@nvidia.com>,
	"David S. Miller" <davem@davemloft.net>
Subject: [PATCH net-next 09/15] net: hostap: Remove in_atomic() check.
Date: Tue, 27 Oct 2020 23:54:48 +0100	[thread overview]
Message-ID: <20201027225454.3492351-10-bigeasy@linutronix.de> (raw)
In-Reply-To: <20201027225454.3492351-1-bigeasy@linutronix.de>

hostap_get_wireless_stats() is the iw_handler_if::get_wireless_stats()
callback of this driver. This callback was not allowed to sleep until
commit a160ee69c6a46 ("wext: let get_wireless_stats() sleep") in v2.6.32.

Remove the therefore pointless in_atomic() check.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Jouni Malinen <j@w1.fi>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
---
 drivers/net/wireless/intersil/hostap/hostap_ioctl.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c
index 514c7b01dbf6f..49766b285230c 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c
@@ -44,19 +44,8 @@ static struct iw_statistics *hostap_get_wireless_stats(struct net_device *dev)
 
 	if (local->iw_mode != IW_MODE_MASTER &&
 	    local->iw_mode != IW_MODE_REPEAT) {
-		int update = 1;
-#ifdef in_atomic
-		/* RID reading might sleep and it must not be called in
-		 * interrupt context or while atomic. However, this
-		 * function seems to be called while atomic (at least in Linux
-		 * 2.5.59). Update signal quality values only if in suitable
-		 * context. Otherwise, previous values read from tick timer
-		 * will be used. */
-		if (in_atomic())
-			update = 0;
-#endif /* in_atomic */
 
-		if (update && prism2_update_comms_qual(dev) == 0)
+		if (prism2_update_comms_qual(dev) == 0)
 			wstats->qual.updated = IW_QUAL_ALL_UPDATED |
 				IW_QUAL_DBM;
 
-- 
2.28.0


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2020-10-27 22:56 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-27 22:54 [PATCH net-next 00/15] in_interrupt() cleanup, part 2 Sebastian Andrzej Siewior
2020-10-27 22:54 ` Sebastian Andrzej Siewior
2020-10-27 22:54 ` Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 01/15] net: orinoco: Remove BUG_ON(in_interrupt/irq()) Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 02/15] net: neterion: s2io: Replace in_interrupt() for context detection Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 03/15] net: forcedeth: Replace context and lock check with a lockdep_assert() Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 04/15] net: mlx5: Replace in_irq() usage Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-31 16:59   ` Jakub Kicinski
2020-10-31 16:59     ` Jakub Kicinski
2020-10-31 16:59     ` Jakub Kicinski
2020-11-02 21:41     ` Saeed Mahameed
2020-11-02 21:41       ` Saeed Mahameed
2020-11-02 21:41       ` Saeed Mahameed
2020-11-03 19:31     ` Saeed Mahameed
2020-11-03 19:31       ` Saeed Mahameed
2020-11-03 19:31       ` Saeed Mahameed
2020-10-27 22:54 ` [PATCH net-next 05/15] net: tlan: " Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 06/15] net: airo: Invoke airo_read_wireless_stats() directly Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 07/15] net: airo: Always use JOB_STATS and JOB_EVENT Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 08/15] net: airo: Replace in_atomic() usage Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54 ` Sebastian Andrzej Siewior [this message]
2020-10-27 22:54   ` [PATCH net-next 09/15] net: hostap: Remove in_atomic() check Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 10/15] net: zd1211rw: Remove in_atomic() usage Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 11/15] net: rtlwifi: Remove in_interrupt() usage in is_any_client_connect_to_ap() Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 12/15] net: rtlwifi: Remove in_interrupt() usage in halbtc_send_bt_mp_operation() Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 13/15] soc/fsl/qbman: Add an argument to signal if NAPI processing is required Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 14/15] net: dpaa: Replace in_irq() usage Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-31 17:12   ` Jakub Kicinski
2020-10-31 17:12     ` Jakub Kicinski
2020-10-31 17:12     ` Jakub Kicinski
2020-11-01 23:04     ` Sebastian Andrzej Siewior
2020-11-01 23:04       ` Sebastian Andrzej Siewior
2020-11-01 23:04       ` Sebastian Andrzej Siewior
2020-10-27 22:54 ` [PATCH net-next 15/15] crypto: caam: " Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-27 22:54   ` Sebastian Andrzej Siewior
2020-10-30 18:29 ` [PATCH net-next 00/15] in_interrupt() cleanup, part 2 Jakub Kicinski
2020-10-30 18:29   ` Jakub Kicinski
2020-10-30 18:29   ` Jakub Kicinski
2020-10-31 17:08 ` Jakub Kicinski
2020-10-31 17:08   ` Jakub Kicinski
2020-10-31 17:08   ` Jakub Kicinski

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