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From: Yury Norov <yury.norov@gmail.com>
To: "Yury Norov" <yury.norov@gmail.com>,
	"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
	"Rasmus Villemoes" <linux@rasmusvillemoes.dk>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"Michał Mirosław" <mirq-linux@rere.qmqm.pl>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Peter Zijlstra" <peterz@infradead.org>,
	"David Laight" <David.Laight@aculab.com>,
	"Joe Perches" <joe@perches.com>,
	"Dennis Zhou" <dennis@kernel.org>,
	"Emil Renner Berthing" <kernel@esmil.dk>,
	"Nicholas Piggin" <npiggin@gmail.com>,
	"Matti Vaittinen" <matti.vaittinen@fi.rohmeurope.com>,
	"Alexey Klimov" <aklimov@redhat.com>,
	linux-kernel@vger.kernel.org,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	"Daniel Lezcano" <daniel.lezcano@linaro.org>,
	"Amit Kucheria" <amitk@kernel.org>,
	"Zhang Rui" <rui.zhang@intel.com>,
	"Sebastian Andrzej Siewior" <bigeasy@linutronix.de>,
	"Christophe JAILLET" <christophe.jaillet@wanadoo.fr>,
	"Rikard Falkeborn" <rikard.falkeborn@gmail.com>,
	linux-pm@vger.kernel.org
Cc: Tariq Toukan <tariqt@nvidia.com>
Subject: [PATCH 03/49] net: mellanox: fix open-coded for_each_set_bit()
Date: Thu, 10 Feb 2022 14:48:47 -0800	[thread overview]
Message-ID: <20220210224933.379149-4-yury.norov@gmail.com> (raw)
In-Reply-To: <20220210224933.379149-1-yury.norov@gmail.com>

Mellanox driver has an open-coded for_each_set_bit(). Fix it.

Signed-off-by: Yury Norov <yury.norov@gmail.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx4/cmd.c | 23 ++++++-----------------
 1 file changed, 6 insertions(+), 17 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index e10b7b04b894..c56d2194cbfc 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -1994,21 +1994,16 @@ static void mlx4_allocate_port_vpps(struct mlx4_dev *dev, int port)
 
 static int mlx4_master_activate_admin_state(struct mlx4_priv *priv, int slave)
 {
-	int port, err;
+	int p, port, err;
 	struct mlx4_vport_state *vp_admin;
 	struct mlx4_vport_oper_state *vp_oper;
 	struct mlx4_slave_state *slave_state =
 		&priv->mfunc.master.slave_state[slave];
 	struct mlx4_active_ports actv_ports = mlx4_get_active_ports(
 			&priv->dev, slave);
-	int min_port = find_first_bit(actv_ports.ports,
-				      priv->dev.caps.num_ports) + 1;
-	int max_port = min_port - 1 +
-		bitmap_weight(actv_ports.ports, priv->dev.caps.num_ports);
 
-	for (port = min_port; port <= max_port; port++) {
-		if (!test_bit(port - 1, actv_ports.ports))
-			continue;
+	for_each_set_bit(p, actv_ports.ports, priv->dev.caps.num_ports) {
+		port = p + 1;
 		priv->mfunc.master.vf_oper[slave].smi_enabled[port] =
 			priv->mfunc.master.vf_admin[slave].enable_smi[port];
 		vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port];
@@ -2063,19 +2058,13 @@ static int mlx4_master_activate_admin_state(struct mlx4_priv *priv, int slave)
 
 static void mlx4_master_deactivate_admin_state(struct mlx4_priv *priv, int slave)
 {
-	int port;
+	int p, port;
 	struct mlx4_vport_oper_state *vp_oper;
 	struct mlx4_active_ports actv_ports = mlx4_get_active_ports(
 			&priv->dev, slave);
-	int min_port = find_first_bit(actv_ports.ports,
-				      priv->dev.caps.num_ports) + 1;
-	int max_port = min_port - 1 +
-		bitmap_weight(actv_ports.ports, priv->dev.caps.num_ports);
 
-
-	for (port = min_port; port <= max_port; port++) {
-		if (!test_bit(port - 1, actv_ports.ports))
-			continue;
+	for_each_set_bit(p, actv_ports.ports, priv->dev.caps.num_ports) {
+		port = p + 1;
 		priv->mfunc.master.vf_oper[slave].smi_enabled[port] =
 			MLX4_VF_SMI_DISABLED;
 		vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port];
-- 
2.32.0


  parent reply	other threads:[~2022-02-10 22:58 UTC|newest]

Thread overview: 98+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-10 22:48 [PATCH v4 00/49] bitmap: optimize bitmap_weight() usage Yury Norov
2022-02-10 22:48 ` [PATCH 01/49] net: dsa: don't use bitmap_weight() in b53_arl_read() Yury Norov
2022-02-10 22:48 ` [PATCH 02/49] net: systemport: don't use bitmap_weight() in bcm_sysport_rule_set() Yury Norov
2022-02-10 22:48 ` Yury Norov [this message]
2022-02-11  9:01   ` [PATCH 03/49] net: mellanox: fix open-coded for_each_set_bit() David Laight
2022-02-10 22:48 ` [PATCH 04/49] iio: fix opencoded for_each_set_bit() Yury Norov
2022-02-11  8:45   ` Andy Shevchenko
2022-02-11 17:17   ` Christophe JAILLET
2022-06-04 15:41     ` Jonathan Cameron
2022-06-11 13:50       ` Jonathan Cameron
2022-02-10 22:48 ` [RFC PATCH 05/49] qed: rework qed_rdma_bmap_free() Yury Norov
2022-02-11  8:48   ` Andy Shevchenko
2022-02-10 22:48 ` [PATCH 06/49] nds32: perf: replace bitmap_weight with bitmap_empty where appropriate Yury Norov
2022-02-10 22:48 ` [PATCH 07/49] KVM: x86: " Yury Norov
2022-02-11 16:34   ` Sean Christopherson
2022-02-11 17:13   ` Christophe JAILLET
2022-02-11 17:19     ` Sean Christopherson
2022-02-11 17:47       ` Yury Norov
2022-02-10 22:48 ` [PATCH 08/49] drm: " Yury Norov
2022-02-11  2:11   ` Dmitry Baryshkov
2022-02-10 22:48 ` [PATCH 09/49] ice: replace bitmap_weight with bitmap_empty Yury Norov
2022-02-10 22:48 ` [PATCH 10/49] octeontx2-pf: replace bitmap_weight with bitmap_empty where appropriate Yury Norov
2022-02-10 22:48 ` [PATCH 11/49] qed: replace bitmap_weight with bitmap_empty in qed_roce_stop() Yury Norov
2022-02-10 22:48 ` [PATCH 12/49] perf: replace bitmap_weight with bitmap_empty where appropriate Yury Norov
2022-02-11 10:25   ` Mark Rutland
2022-02-11 17:59     ` Yury Norov
2022-02-11 17:27   ` Christophe JAILLET
2022-02-11 23:23     ` Yury Norov
2022-02-10 22:48 ` [PATCH 13/49] perf tools: " Yury Norov
2022-02-10 22:48 ` [PATCH 14/49] arch/alpha: replace cpumask_weight with cpumask_empty " Yury Norov
2022-02-10 22:48 ` [PATCH 15/49] arch/ia64: " Yury Norov
2022-02-10 22:49 ` [PATCH 16/49] arch/x86: " Yury Norov
2022-04-10 20:42   ` [tip: x86/cleanups] x86: Replace cpumask_weight() with cpumask_empty() " tip-bot2 for Yury Norov
2022-02-10 22:49 ` [PATCH 17/49] cpufreq: replace cpumask_weight with cpumask_empty " Yury Norov
2022-02-11  4:30   ` Viresh Kumar
2022-02-11  5:17     ` Yury Norov
2022-02-10 22:49 ` [PATCH 18/49] drm/i915/pmu: " Yury Norov
2022-02-10 22:49 ` [PATCH 19/49] RDMA/hfi: " Yury Norov
2022-02-11 19:10   ` Jason Gunthorpe
2022-02-10 22:49 ` [PATCH 20/49] irq: mips: " Yury Norov
2022-04-10 20:34   ` [tip: irq/core] irqchip/bmips: Replace cpumask_weight() with cpumask_empty() tip-bot2 for Yury Norov
2022-02-10 22:49 ` [PATCH 21/49] genirq/affinity: replace cpumask_weight with cpumask_empty where appropriate Yury Norov
2022-04-10 20:27   ` [tip: irq/core] genirq/affinity: Replace cpumask_weight() with cpumask_empty() " tip-bot2 for Yury Norov
     [not found]     ` <573841649622719@mail.yandex.com>
2022-04-10 21:17       ` Yury Norov
2022-02-10 22:49 ` [PATCH 22/49] sched: replace cpumask_weight with cpumask_empty " Yury Norov
2022-02-11 10:19   ` Peter Zijlstra
2022-02-11 14:19     ` Yury Norov
2022-02-17 18:56   ` [tip: sched/core] " tip-bot2 for Yury Norov
2022-02-10 22:49 ` [PATCH 23/49] clocksource: replace cpumask_weight with cpumask_empty in clocksource.c Yury Norov
2022-04-10 20:35   ` [tip: timers/core] clocksource: Replace cpumask_weight() with cpumask_empty() tip-bot2 for Yury Norov
2022-02-10 22:49 ` [PATCH 24/49] mm/vmstat: replace cpumask_weight with cpumask_empty where appropriate Yury Norov
2022-02-11 10:39   ` Mike Rapoport
2022-02-10 22:49 ` [PATCH 25/49] arch/x86: replace nodes_weight with nodes_empty " Yury Norov
2022-04-10 20:42   ` [tip: x86/cleanups] x86/mm: Replace nodes_weight() with nodes_empty() " tip-bot2 for Yury Norov
2022-02-10 22:49 ` [PATCH 26/49] bitmap: add bitmap_weight_{cmp, eq, gt, ge, lt, le} functions Yury Norov
2022-02-10 22:49 ` [PATCH 27/49] arch/x86: replace bitmap_weight with bitmap_weight_{eq,gt,ge,lt,le} where appropriate Yury Norov
2022-02-10 22:49 ` [PATCH 28/49] iio: replace bitmap_weight() with bitmap_weight_{eq,gt} " Yury Norov
2022-02-10 22:49 ` [PATCH 29/49] memstick: replace bitmap_weight with bitmap_weight_eq " Yury Norov
2022-02-17 15:39   ` Ulf Hansson
2022-02-17 16:55     ` Yury Norov
2022-02-22 15:49       ` Ulf Hansson
2022-02-10 22:49 ` [PATCH 30/49] ixgbe: replace bitmap_weight with bitmap_weight_eq Yury Norov
2022-02-10 22:49 ` [PATCH 31/49] octeontx2-pf: replace bitmap_weight with bitmap_weight_{eq,gt} Yury Norov
2022-02-10 22:49 ` [PATCH 32/49] mlx4: replace bitmap_weight with bitmap_weight_{eq,gt,ge,lt,le} Yury Norov
2022-02-10 22:49 ` [PATCH 33/49] perf: replace bitmap_weight with bitmap_weight_eq for ThunderX2 Yury Norov
2022-02-11 10:30   ` Mark Rutland
2022-02-10 22:49 ` [PATCH 34/49] media: tegra-video: replace bitmap_weight with bitmap_weight_le Yury Norov
2022-04-28  7:31   ` Hans Verkuil
2022-02-10 22:49 ` [PATCH 35/49] cpumask: add cpumask_weight_{eq,gt,ge,lt,le} Yury Norov
2022-02-10 22:49 ` [PATCH 36/49] arch/ia64: replace cpumask_weight with cpumask_weight_eq in mm/tlb.c Yury Norov
2022-02-10 22:49 ` [PATCH 37/49] arch/mips: replace cpumask_weight with cpumask_weight_{eq, ...} where appropriate Yury Norov
2022-02-10 22:49 ` [PATCH 38/49] arch/powerpc: " Yury Norov
2022-02-11  4:10   ` Michael Ellerman
2022-02-10 22:49 ` [PATCH 39/49] arch/s390: replace cpumask_weight with cpumask_weight_eq " Yury Norov
2022-02-11  6:54   ` Sven Schnelle
2022-02-11 23:40     ` Yury Norov
2022-02-10 22:49 ` [PATCH 40/49] firmware: pcsi: replace cpumask_weight with cpumask_weight_eq Yury Norov
2022-02-11  9:45   ` Sudeep Holla
2022-02-11 10:32   ` Mark Rutland
2022-02-10 22:49 ` [PATCH 41/49] RDMA/hfi1: replace cpumask_weight with cpumask_weight_{eq, ...} where appropriate Yury Norov
2022-02-11 19:11   ` Jason Gunthorpe
2022-02-10 22:49 ` [PATCH 42/49] scsi: lpfc: replace cpumask_weight with cpumask_weight_gt Yury Norov
2022-02-10 22:49 ` [PATCH 43/49] soc/qman: replace cpumask_weight with cpumask_weight_lt Yury Norov
2022-02-10 22:49 ` [PATCH 44/49] nodemask: add nodemask_weight_{eq,gt,ge,lt,le} Yury Norov
2022-02-10 22:49 ` [PATCH 45/49] ACPI: replace nodes__weight with nodes_weight_ge for numa Yury Norov
2022-02-14 19:18   ` Rafael J. Wysocki
2022-02-14 19:34     ` Yury Norov
2022-02-14 19:45       ` Rafael J. Wysocki
2022-02-14 19:55         ` Yury Norov
2022-02-10 22:49 ` [PATCH 46/49] mm/mempolicy: replace nodes_weight with nodes_weight_eq Yury Norov
2022-02-11 10:40   ` Mike Rapoport
2022-02-11 17:44   ` Christophe JAILLET
2022-02-11 19:47     ` Yury Norov
2022-02-10 22:49 ` [PATCH 47/49] nodemask: add num_node_state_eq() Yury Norov
2022-02-11 10:41   ` Mike Rapoport
2022-02-10 22:49 ` [PATCH 48/49] tools: bitmap: sync bitmap_weight Yury Norov
2022-02-10 22:49 ` [PATCH 49/49] MAINTAINERS: add cpumask and nodemask files to BITMAP_API Yury Norov
2022-02-15 23:18 ` [PATCH v4 00/49] bitmap: optimize bitmap_weight() usage Will Deacon

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