Messages in this thread Patch in this message | | | From | Frederic Weisbecker <> | Subject | [RFC PATCH 3/6] net: Decouple HK_FLAG_WQ and HK_FLAG_DOMAIN cpumask fetch | Date | Wed, 14 Jul 2021 15:54:17 +0200 |
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To prepare for supporting each feature of the housekeeping cpumask toward cpuset, prepare for HK_FLAG_DOMAIN to move to its own cpumask. This will allow to modify the set passed through "isolcpus=" kernel boot parameter on runtime.
Signed-off-by: Frederic Weisbecker <frederic@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Nitesh Lal <nilal@redhat.com> Cc: Nicolas Saenz <nsaenzju@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Christoph Lameter <cl@gentwo.de> Cc: Tejun Heo <tj@kernel.org> Cc: Zefan Li <lizefan.x@bytedance.com> Cc: Alex Belits <abelits@marvell.com> --- net/core/net-sysfs.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index f6197774048b..78ea904e9206 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -782,7 +782,7 @@ static ssize_t store_rps_map(struct netdev_rx_queue *queue, { struct rps_map *old_map, *map; cpumask_var_t mask; - int err, cpu, i, hk_flags; + int err, cpu, i; static DEFINE_MUTEX(rps_map_mutex); if (!capable(CAP_NET_ADMIN)) @@ -798,8 +798,8 @@ static ssize_t store_rps_map(struct netdev_rx_queue *queue, } if (!cpumask_empty(mask)) { - hk_flags = HK_FLAG_DOMAIN | HK_FLAG_WQ; - cpumask_and(mask, mask, housekeeping_cpumask(hk_flags)); + cpumask_and(mask, mask, housekeeping_cpumask(HK_FLAG_DOMAIN)); + cpumask_and(mask, mask, housekeeping_cpumask(HK_FLAG_WQ)); if (cpumask_empty(mask)) { free_cpumask_var(mask); return -EINVAL; -- 2.25.1
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