From: Sudeep Holla <sudeep.holla@arm.com>
To: linux-kernel@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>,
conor.dooley@microchip.com,
valentina.fernandezalanis@microchip.com,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Qing Wang <wangqing@vivo.com>, Rob Herring <robh+dt@kernel.org>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Ionela Voinescu <ionela.voinescu@arm.com>,
Pierre Gondois <pierre.gondois@arm.com>,
linux-arm-kernel@lists.infradead.org,
linux-riscv@lists.infradead.org
Subject: [PATCH v6 08/21] cacheinfo: Align checks in cache_shared_cpu_map_{setup,remove} for readability
Date: Mon, 4 Jul 2022 11:15:52 +0100 [thread overview]
Message-ID: <20220704101605.1318280-9-sudeep.holla@arm.com> (raw)
In-Reply-To: <20220704101605.1318280-1-sudeep.holla@arm.com>
The checks to skip the CPU itself or no cacheinfo case are implemented
bit differently though the effect is exactly same. Just align the
implementation in both cache_shared_cpu_map_{setup,remove} just for
improved readability. No functional change.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
---
drivers/base/cacheinfo.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c
index e331b399adeb..65d566ff24c4 100644
--- a/drivers/base/cacheinfo.c
+++ b/drivers/base/cacheinfo.c
@@ -279,6 +279,7 @@ static int cache_shared_cpu_map_setup(unsigned int cpu)
if (i == cpu || !sib_cpu_ci->info_list)
continue;/* skip if itself or no cacheinfo */
+
sib_leaf = per_cpu_cacheinfo_idx(i, index);
if (cache_leaves_are_shared(this_leaf, sib_leaf)) {
cpumask_set_cpu(cpu, &sib_leaf->shared_cpu_map);
@@ -301,14 +302,11 @@ static void cache_shared_cpu_map_remove(unsigned int cpu)
for (index = 0; index < cache_leaves(cpu); index++) {
this_leaf = per_cpu_cacheinfo_idx(cpu, index);
for_each_cpu(sibling, &this_leaf->shared_cpu_map) {
- struct cpu_cacheinfo *sib_cpu_ci;
-
- if (sibling == cpu) /* skip itself */
- continue;
+ struct cpu_cacheinfo *sib_cpu_ci =
+ get_cpu_cacheinfo(sibling);
- sib_cpu_ci = get_cpu_cacheinfo(sibling);
- if (!sib_cpu_ci->info_list)
- continue;
+ if (sibling == cpu || !sib_cpu_ci->info_list)
+ continue;/* skip if itself or no cacheinfo */
sib_leaf = per_cpu_cacheinfo_idx(sibling, index);
cpumask_clear_cpu(cpu, &sib_leaf->shared_cpu_map);
--
2.37.0
WARNING: multiple messages have this Message-ID (diff)
From: Sudeep Holla <sudeep.holla@arm.com>
To: linux-kernel@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>,
conor.dooley@microchip.com,
valentina.fernandezalanis@microchip.com,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Qing Wang <wangqing@vivo.com>, Rob Herring <robh+dt@kernel.org>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Ionela Voinescu <ionela.voinescu@arm.com>,
Pierre Gondois <pierre.gondois@arm.com>,
linux-arm-kernel@lists.infradead.org,
linux-riscv@lists.infradead.org
Subject: [PATCH v6 08/21] cacheinfo: Align checks in cache_shared_cpu_map_{setup,remove} for readability
Date: Mon, 4 Jul 2022 11:15:52 +0100 [thread overview]
Message-ID: <20220704101605.1318280-9-sudeep.holla@arm.com> (raw)
In-Reply-To: <20220704101605.1318280-1-sudeep.holla@arm.com>
The checks to skip the CPU itself or no cacheinfo case are implemented
bit differently though the effect is exactly same. Just align the
implementation in both cache_shared_cpu_map_{setup,remove} just for
improved readability. No functional change.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
---
drivers/base/cacheinfo.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c
index e331b399adeb..65d566ff24c4 100644
--- a/drivers/base/cacheinfo.c
+++ b/drivers/base/cacheinfo.c
@@ -279,6 +279,7 @@ static int cache_shared_cpu_map_setup(unsigned int cpu)
if (i == cpu || !sib_cpu_ci->info_list)
continue;/* skip if itself or no cacheinfo */
+
sib_leaf = per_cpu_cacheinfo_idx(i, index);
if (cache_leaves_are_shared(this_leaf, sib_leaf)) {
cpumask_set_cpu(cpu, &sib_leaf->shared_cpu_map);
@@ -301,14 +302,11 @@ static void cache_shared_cpu_map_remove(unsigned int cpu)
for (index = 0; index < cache_leaves(cpu); index++) {
this_leaf = per_cpu_cacheinfo_idx(cpu, index);
for_each_cpu(sibling, &this_leaf->shared_cpu_map) {
- struct cpu_cacheinfo *sib_cpu_ci;
-
- if (sibling == cpu) /* skip itself */
- continue;
+ struct cpu_cacheinfo *sib_cpu_ci =
+ get_cpu_cacheinfo(sibling);
- sib_cpu_ci = get_cpu_cacheinfo(sibling);
- if (!sib_cpu_ci->info_list)
- continue;
+ if (sibling == cpu || !sib_cpu_ci->info_list)
+ continue;/* skip if itself or no cacheinfo */
sib_leaf = per_cpu_cacheinfo_idx(sibling, index);
cpumask_clear_cpu(cpu, &sib_leaf->shared_cpu_map);
--
2.37.0
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
WARNING: multiple messages have this Message-ID (diff)
From: Sudeep Holla <sudeep.holla@arm.com>
To: linux-kernel@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>,
conor.dooley@microchip.com,
valentina.fernandezalanis@microchip.com,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Qing Wang <wangqing@vivo.com>, Rob Herring <robh+dt@kernel.org>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Ionela Voinescu <ionela.voinescu@arm.com>,
Pierre Gondois <pierre.gondois@arm.com>,
linux-arm-kernel@lists.infradead.org,
linux-riscv@lists.infradead.org
Subject: [PATCH v6 08/21] cacheinfo: Align checks in cache_shared_cpu_map_{setup,remove} for readability
Date: Mon, 4 Jul 2022 11:15:52 +0100 [thread overview]
Message-ID: <20220704101605.1318280-9-sudeep.holla@arm.com> (raw)
In-Reply-To: <20220704101605.1318280-1-sudeep.holla@arm.com>
The checks to skip the CPU itself or no cacheinfo case are implemented
bit differently though the effect is exactly same. Just align the
implementation in both cache_shared_cpu_map_{setup,remove} just for
improved readability. No functional change.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
---
drivers/base/cacheinfo.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c
index e331b399adeb..65d566ff24c4 100644
--- a/drivers/base/cacheinfo.c
+++ b/drivers/base/cacheinfo.c
@@ -279,6 +279,7 @@ static int cache_shared_cpu_map_setup(unsigned int cpu)
if (i == cpu || !sib_cpu_ci->info_list)
continue;/* skip if itself or no cacheinfo */
+
sib_leaf = per_cpu_cacheinfo_idx(i, index);
if (cache_leaves_are_shared(this_leaf, sib_leaf)) {
cpumask_set_cpu(cpu, &sib_leaf->shared_cpu_map);
@@ -301,14 +302,11 @@ static void cache_shared_cpu_map_remove(unsigned int cpu)
for (index = 0; index < cache_leaves(cpu); index++) {
this_leaf = per_cpu_cacheinfo_idx(cpu, index);
for_each_cpu(sibling, &this_leaf->shared_cpu_map) {
- struct cpu_cacheinfo *sib_cpu_ci;
-
- if (sibling == cpu) /* skip itself */
- continue;
+ struct cpu_cacheinfo *sib_cpu_ci =
+ get_cpu_cacheinfo(sibling);
- sib_cpu_ci = get_cpu_cacheinfo(sibling);
- if (!sib_cpu_ci->info_list)
- continue;
+ if (sibling == cpu || !sib_cpu_ci->info_list)
+ continue;/* skip if itself or no cacheinfo */
sib_leaf = per_cpu_cacheinfo_idx(sibling, index);
cpumask_clear_cpu(cpu, &sib_leaf->shared_cpu_map);
--
2.37.0
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-07-04 10:17 UTC|newest]
Thread overview: 108+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-04 10:15 [PATCH v6 00/21] arch_topology: Updates to add socket support and fix cluster ids Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` [PATCH v6 01/21] ACPI: PPTT: Use table offset as fw_token instead of virtual address Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` [PATCH v6 02/21] cacheinfo: Use of_cpu_device_node_get instead cpu_dev->of_node Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` [PATCH v6 03/21] cacheinfo: Add helper to access any cache index for a given CPU Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` [PATCH v6 04/21] cacheinfo: Move cache_leaves_are_shared out of CONFIG_OF Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` [PATCH v6 05/21] cacheinfo: Add support to check if last level cache(LLC) is valid or shared Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` [PATCH v6 06/21] cacheinfo: Allow early detection and population of cache attributes Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` [PATCH v6 07/21] cacheinfo: Use cache identifiers to check if the caches are shared if available Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla [this message]
2022-07-04 10:15 ` [PATCH v6 08/21] cacheinfo: Align checks in cache_shared_cpu_map_{setup,remove} for readability Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` [PATCH v6 09/21] arch_topology: Add support to parse and detect cache attributes Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-19 14:22 ` Geert Uytterhoeven
2022-07-19 14:22 ` Geert Uytterhoeven
2022-07-19 14:22 ` Geert Uytterhoeven
2022-07-19 14:37 ` Conor Dooley
2022-07-19 14:37 ` Conor Dooley
2022-07-19 14:37 ` Conor Dooley
2022-07-19 15:05 ` Sudeep Holla
2022-07-19 15:05 ` Sudeep Holla
2022-07-19 15:05 ` Sudeep Holla
2022-07-04 10:15 ` [PATCH v6 10/21] arch_topology: Use the last level cache information from the cacheinfo Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` [PATCH v6 11/21] arm64: topology: Remove redundant setting of llc_id in CPU topology Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` [PATCH v6 12/21] arch_topology: Drop LLC identifier stash from the " Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` [PATCH v6 13/21] arch_topology: Set thread sibling cpumask only within the cluster Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` [PATCH v6 14/21] arch_topology: Check for non-negative value rather than -1 for IDs validity Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` [PATCH v6 15/21] arch_topology: Avoid parsing through all the CPUs once a outlier CPU is found Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:15 ` Sudeep Holla
2022-07-04 10:16 ` [PATCH v6 16/21] arch_topology: Don't set cluster identifier as physical package identifier Sudeep Holla
2022-07-04 10:16 ` Sudeep Holla
2022-07-04 10:16 ` Sudeep Holla
2022-07-04 10:16 ` [PATCH v6 17/21] arch_topology: Limit span of cpu_clustergroup_mask() Sudeep Holla
2022-07-04 10:16 ` Sudeep Holla
2022-07-04 10:16 ` Sudeep Holla
2022-07-08 0:10 ` Darren Hart
2022-07-08 0:10 ` Darren Hart
2022-07-08 0:10 ` Darren Hart
2022-07-08 8:04 ` Sudeep Holla
2022-07-08 8:04 ` Sudeep Holla
2022-07-08 8:04 ` Sudeep Holla
2022-07-08 16:27 ` Darren Hart
2022-07-08 16:27 ` Darren Hart
2022-07-08 16:27 ` Darren Hart
2022-07-08 9:05 ` Ionela Voinescu
2022-07-08 9:05 ` Ionela Voinescu
2022-07-08 9:05 ` Ionela Voinescu
2022-07-08 16:14 ` Darren Hart
2022-07-08 16:14 ` Darren Hart
2022-07-08 16:14 ` Darren Hart
2022-07-04 10:16 ` [PATCH v6 18/21] arch_topology: Set cluster identifier in each core/thread from /cpu-map Sudeep Holla
2022-07-04 10:16 ` Sudeep Holla
2022-07-04 10:16 ` Sudeep Holla
2022-07-04 10:16 ` [PATCH v6 19/21] arch_topology: Add support for parsing sockets in /cpu-map Sudeep Holla
2022-07-04 10:16 ` Sudeep Holla
2022-07-04 10:16 ` Sudeep Holla
2022-07-04 10:16 ` [PATCH v6 20/21] arch_topology: Warn that topology for nested clusters is not supported Sudeep Holla
2022-07-04 10:16 ` Sudeep Holla
2022-07-04 10:16 ` Sudeep Holla
2022-07-04 10:16 ` [PATCH v6 21/21] ACPI: Remove the unused find_acpi_cpu_cache_topology() Sudeep Holla
2022-07-04 10:16 ` Sudeep Holla
2022-07-04 10:16 ` Sudeep Holla
2022-07-04 15:10 ` [PATCH v6 00/21] arch_topology: Updates to add socket support and fix cluster ids Conor.Dooley
2022-07-04 15:10 ` Conor.Dooley
2022-07-04 15:10 ` Conor.Dooley
2022-07-04 15:20 ` Sudeep Holla
2022-07-04 15:20 ` Sudeep Holla
2022-07-04 15:20 ` Sudeep Holla
[not found] ` <507c6b64-fc23-3eea-e4c1-4d426025d658@inria.fr>
2022-07-05 19:06 ` Conor.Dooley
2022-07-05 19:06 ` Conor.Dooley
2022-07-05 19:06 ` Conor.Dooley
2022-07-05 20:07 ` Sudeep Holla
2022-07-05 20:07 ` Sudeep Holla
2022-07-05 20:07 ` Sudeep Holla
2022-07-05 20:14 ` Conor.Dooley
2022-07-05 20:14 ` Conor.Dooley
2022-07-05 20:14 ` Conor.Dooley
2022-07-05 20:22 ` Sudeep Holla
2022-07-05 20:22 ` Sudeep Holla
2022-07-05 20:22 ` Sudeep Holla
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