From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frederic Weisbecker Subject: [PATCH 0/2] sched/isolation: Prep work for pcp cache draining isolation Date: Sat, 4 Feb 2023 00:24:07 +0100 Message-ID: <20230203232409.163847-1-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=1675466656; bh=DPCD11U3iraVLwoI0ZmoNtXTwzpTxLUsmQXJIlJGVSE=; h=From:To:Cc:Subject:Date:From; b=iYsRI9WEJSXvQrf3WdnsJctWyoYSHpJ9XXhS6XfxCe9MFaOWmzH9nklIEiPNAFzk8 pgm2UXKuqznGQ9qmSaKceq8HGb2NVkuTjU9EHO047NuRFGkIkK7AlwYph4NuaW6CQu Yfv4Tt5Kmfs5Ph+phIQd92418JDtLA37TmbbZntv5WKDNeGCmoA3lLPfpheDROYOBy lex84MWnpMjkDQaUxDAy4Gg9ssjU4vP/ZmUrpgKdpkwdhD6w39f63rijUzdbVrr8Su QF5e33ZTIhClNBvjwku0s/7M1KOLWbStucstrSvrrl6/K6UOTQnzktd7t6vVSWSsLw Wg9XHpLFpy0LA== List-ID: Content-Type: text/plain; charset="us-ascii" To: LKML Cc: Frederic Weisbecker , Roman Gushchin , Michal Hocko , Marcelo Tosatti , Leonardo , Johannes Weiner , Shakeel Butt , Muchun Song , Andrew Morton , Peter Zijlstra , Thomas Gleixner , cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org For reference: https://lore.kernel.org/lkml/20230125073502.743446-1-leobras-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org/ And the latest proposal: https://lore.kernel.org/lkml/Y90mZQhW89HtYfT9-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org/ Pcp cache draining isolation needs a function that abstracts checking if a CPU is isolated through isolcpus= or nohz_full=. Take advantage of that to do some cleanups. Frederic Weisbecker (2): sched/isolation: Merge individual nohz_full features into a common housekeeping flag sched/isolation: Add cpu_is_isolated() API arch/x86/kvm/x86.c | 2 +- drivers/char/random.c | 2 +- drivers/pci/pci-driver.c | 2 +- include/linux/sched/isolation.h | 13 +++++++------ include/net/ip_vs.h | 4 ++-- kernel/cpu.c | 4 ++-- kernel/kthread.c | 4 ++-- kernel/rcu/tasks.h | 2 +- kernel/rcu/tree_plugin.h | 6 +++--- kernel/sched/core.c | 12 ++++++------ kernel/sched/fair.c | 6 +++--- kernel/sched/isolation.c | 22 ++++++---------------- kernel/watchdog.c | 2 +- kernel/workqueue.c | 2 +- net/core/net-sysfs.c | 2 +- net/netfilter/ipvs/ip_vs_ctl.c | 2 +- 16 files changed, 39 insertions(+), 48 deletions(-) -- 2.34.1