From: "Paul E. McKenney" <paulmck@linux.ibm.com>
To: Joel Fernandes <joel@joelfernandes.org>
Cc: linux-kernel@vger.kernel.org,
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
Bjorn Helgaas <bhelgaas@google.com>,
Borislav Petkov <bp@alien8.de>,
c0d1n61at3@gmail.com, "David S. Miller" <davem@davemloft.net>,
edumazet@google.com,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
Jonathan Corbet <corbet@lwn.net>,
Josh Triplett <josh@joshtriplett.org>,
keescook@chromium.org, kernel-hardening@lists.openwall.com,
kernel-team@android.com, Lai Jiangshan <jiangshanlai@gmail.com>,
Len Brown <lenb@kernel.org>,
linux-acpi@vger.kernel.org, linux-doc@vger.kernel.org,
linux-pci@vger.kernel.org, linux-pm@vger.kernel.org,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
neilb@suse.com, netdev@vger.kernel.org,
Oleg Nesterov <oleg@redhat.com>, Pavel Machek <pavel@ucw.cz>,
peterz@infradead.org, "Rafael J. Wysocki" <rjw@rjwysocki.net>,
Rasmus Villemoes <rasmus.villemoes@prevas.dk>,
rcu@vger.kernel.org, Steven Rostedt <rostedt@goodmis.org>,
Tejun Heo <tj@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
will@kernel.org,
"maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)"
<x86@kernel.org>
Subject: Re: [PATCH v2 2/9] rcu: Add support for consolidated-RCU reader checking
Date: Tue, 16 Jul 2019 11:50:01 -0700 [thread overview]
Message-ID: <20190716185001.GL14271@linux.ibm.com> (raw)
In-Reply-To: <20190716183517.GA129705@google.com>
On Tue, Jul 16, 2019 at 02:35:17PM -0400, Joel Fernandes wrote:
> On Tue, Jul 16, 2019 at 11:22:37AM -0700, Paul E. McKenney wrote:
> > On Fri, Jul 12, 2019 at 01:00:17PM -0400, Joel Fernandes (Google) wrote:
> > > This patch adds support for checking RCU reader sections in list
> > > traversal macros. Optionally, if the list macro is called under SRCU or
> > > other lock/mutex protection, then appropriate lockdep expressions can be
> > > passed to make the checks pass.
> > >
> > > Existing list_for_each_entry_rcu() invocations don't need to pass the
> > > optional fourth argument (cond) unless they are under some non-RCU
> > > protection and needs to make lockdep check pass.
> > >
> > > Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
> >
> > If you fold in the checks for extra parameters, I will take this
> > one and also 1/9.
>
> I folded the checks in and also threw in the rcu-sync with Oleg's ack:
>
> Could you pull into /dev branch?
>
> git pull https://github.com/joelagnel/linux-kernel.git list-first-three
> (Based on your dev branch)
Given that I am going to have to rebase these a few times, please
email a v4.
Thanx, Paul
next prev parent reply other threads:[~2019-07-16 18:52 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-12 17:00 [PATCH v2 0/9] Harden list_for_each_entry_rcu() and family Joel Fernandes (Google)
2019-07-12 17:00 ` [PATCH v2 1/9] rcu/update: Remove useless check for debug_locks Joel Fernandes (Google)
2019-07-12 17:00 ` [PATCH v2 2/9] rcu: Add support for consolidated-RCU reader checking Joel Fernandes (Google)
2019-07-16 18:22 ` Paul E. McKenney
2019-07-16 18:35 ` Joel Fernandes
2019-07-16 18:50 ` Paul E. McKenney [this message]
2019-07-12 17:00 ` [PATCH v2 3/9] rcu/sync: Remove custom check for reader-section Joel Fernandes (Google)
2019-07-12 21:35 ` Joel Fernandes
2019-07-12 23:32 ` Paul E. McKenney
2019-07-13 3:01 ` Joel Fernandes
2019-07-13 3:10 ` Joel Fernandes
2019-07-13 8:21 ` Paul E. McKenney
2019-07-13 13:30 ` Joel Fernandes
2019-07-13 14:41 ` Paul E. McKenney
2019-07-13 15:36 ` Joel Fernandes
2019-07-13 15:50 ` Paul E. McKenney
2019-07-13 16:13 ` Joel Fernandes
2019-07-13 21:28 ` Paul E. McKenney
2019-07-14 18:10 ` Joel Fernandes
2019-07-14 18:38 ` Joel Fernandes
2019-07-14 18:50 ` Paul E. McKenney
2019-07-15 7:26 ` Oleg Nesterov
2019-07-16 18:26 ` Paul E. McKenney
2019-07-16 18:28 ` Paul E. McKenney
2019-07-12 17:00 ` [PATCH v2 4/9] ipv4: add lockdep condition to fix for_each_entry Joel Fernandes (Google)
2019-07-12 17:00 ` [PATCH v2 5/9] driver/core: Convert to use built-in RCU list checking Joel Fernandes (Google)
2019-07-12 17:00 ` [PATCH v2 6/9] workqueue: Convert for_each_wq to use built-in list check Joel Fernandes (Google)
2019-07-12 17:00 ` [PATCH v2 7/9] x86/pci: Pass lockdep condition to pcm_mmcfg_list iterator Joel Fernandes (Google)
2019-07-12 17:00 ` [PATCH v2 8/9] acpi: Use built-in RCU list checking for acpi_ioremaps list Joel Fernandes (Google)
2019-07-12 17:00 ` [PATCH v2 9/9] doc: Update documentation about list_for_each_entry_rcu Joel Fernandes (Google)
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