From: Frederic Weisbecker <frederic@kernel.org>
To: "Paul E . McKenney" <paulmck@kernel.org>,
Peter Zijlstra <peterz@infradead.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Frederic Weisbecker <frederic@kernel.org>,
Paolo Bonzini <pbonzini@redhat.com>,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
stable@vger.kernel.org, Ingo Molnar <mingo@kernel.org>
Subject: [PATCH 0/5] rcu/sched: Fix ignored rescheduling after rcu_eqs_enter() v4
Date: Mon, 1 Feb 2021 00:05:43 +0100 [thread overview]
Message-ID: <20210131230548.32970-1-frederic@kernel.org> (raw)
So, here is a hopefully improved version with the following changes:
* No more late wake up debugging, objtool should debug that later with
noinstr code calling into the scheduler (Peter suggestion)
* Dropped the double rdp fetch patch, just keep the fix part for now
* Properly protect irq work call from rcu_user_enter() inside
instrumention_begin()
* Handle CONFIG_KVM_XFER_TO_GUEST_WORK (as per Peter suggestion)
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
sched/idle-v4
HEAD: d3e956d0b693a572bd5f56241816a6390c5b2797
Thanks,
Frederic
---
Frederic Weisbecker (5):
rcu: Pull deferred rcuog wake up to rcu_eqs_enter() callers
rcu/nocb: Perform deferred wake up before last idle's need_resched() check
rcu/nocb: Trigger self-IPI on late deferred wake up before user resume
entry: Explicitly flush pending rcuog wakeup before last rescheduling point
entry/kvm: Explicitly flush pending rcuog wakeup before last rescheduling point
arch/x86/kvm/x86.c | 1 +
include/linux/entry-kvm.h | 14 +++++++++++++
include/linux/rcupdate.h | 2 ++
kernel/entry/common.c | 7 +++++++
kernel/rcu/tree.c | 53 ++++++++++++++++++++++++++++++++++++++++++++++-
kernel/rcu/tree.h | 2 +-
kernel/rcu/tree_plugin.h | 31 +++++++++++++++++++--------
kernel/sched/idle.c | 3 +++
8 files changed, 102 insertions(+), 11 deletions(-)
next reply other threads:[~2021-01-31 23:06 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-31 23:05 Frederic Weisbecker [this message]
2021-01-31 23:05 ` [PATCH 1/5] rcu: Pull deferred rcuog wake up to rcu_eqs_enter() callers Frederic Weisbecker
2021-02-10 13:53 ` [tip: sched/core] " tip-bot2 for Frederic Weisbecker
2021-02-17 13:17 ` tip-bot2 for Frederic Weisbecker
2021-01-31 23:05 ` [PATCH 2/5] rcu/nocb: Perform deferred wake up before last idle's need_resched() check Frederic Weisbecker
2021-02-08 14:45 ` Peter Zijlstra
2021-02-08 14:53 ` Frederic Weisbecker
2021-02-10 13:53 ` [tip: sched/core] " tip-bot2 for Frederic Weisbecker
2021-02-17 13:17 ` tip-bot2 for Frederic Weisbecker
2021-01-31 23:05 ` [PATCH 3/5] rcu/nocb: Trigger self-IPI on late deferred wake up before user resume Frederic Weisbecker
2021-02-10 13:53 ` [tip: sched/core] " tip-bot2 for Frederic Weisbecker
2021-02-17 13:17 ` tip-bot2 for Frederic Weisbecker
2021-01-31 23:05 ` [PATCH 4/5] entry: Explicitly flush pending rcuog wakeup before last rescheduling point Frederic Weisbecker
2021-02-10 13:53 ` [tip: sched/core] " tip-bot2 for Frederic Weisbecker
2021-02-17 13:17 ` tip-bot2 for Frederic Weisbecker
2021-01-31 23:05 ` [PATCH 5/5] entry/kvm: " Frederic Weisbecker
2021-02-10 13:53 ` [tip: sched/core] " tip-bot2 for Frederic Weisbecker
2021-02-17 13:17 ` tip-bot2 for Frederic Weisbecker
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210131230548.32970-1-frederic@kernel.org \
--to=frederic@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=paulmck@kernel.org \
--cc=pbonzini@redhat.com \
--cc=peterz@infradead.org \
--cc=rafael.j.wysocki@intel.com \
--cc=stable@vger.kernel.org \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).