From mboxrd@z Thu Jan 1 00:00:00 1970 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 Message-ID: <20210714135420.69624-4-frederic@kernel.org> References: <20210714135420.69624-1-frederic@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1626270876; bh=5fwdrjx3luOJz+IOnCdMGj33tiidc13aDeeeCloWIWE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HlAnA95h33OKgMm2eTmKOChZbGNcVOgy3VE4J7GPWG5S5fLY7B7smBjtqalkpOyRj gO42j0Sej5Wm5advrRU4dgr6qfdKDsijIzo9vvZe/8Il4C7qJPiKjjnYKYlAmrnbs7 VCZRmrlgcWY+HNUVTFplL6DwfIe1mdXwVEZM832yGllCZ2p00MfXgat4Htfxh/oBCb kWaSw89f2dX767AlGowLBLRe+7VnqWVqjfn/cPJUjXFPofgjh20NArI0BjserrpZBi DDLbp5AIuSIFCxPFDwTqRow+xdSElsb0aAHtgf9Gr03aN8aCbXOilQv2w6EF8uIbFw vZWvC5Dvj/e3Q== In-Reply-To: <20210714135420.69624-1-frederic@kernel.org> List-ID: Content-Type: text/plain; charset="us-ascii" To: LKML Cc: Frederic Weisbecker , Tejun Heo , Peter Zijlstra , Juri Lelli , Alex Belits , Nitesh Lal , Thomas Gleixner , Nicolas Saenz , Christoph Lameter , Marcelo Tosatti , Zefan Li , cgroups@vger.kernel.org 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 Cc: Thomas Gleixner Cc: Juri Lelli Cc: Marcelo Tosatti Cc: Nitesh Lal Cc: Nicolas Saenz Cc: Peter Zijlstra Cc: Christoph Lameter Cc: Tejun Heo Cc: Zefan Li Cc: Alex Belits --- 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