From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: linux-kernel@vger.kernel.org
Cc: mingo@kernel.org, laijs@cn.fujitsu.com, dipankar@in.ibm.com,
akpm@linux-foundation.org, mathieu.desnoyers@efficios.com,
josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org,
rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com,
dvhart@linux.intel.com, fweisbec@gmail.com, oleg@redhat.com,
bobby.prani@gmail.com
Subject: [PATCH tip/core/rcu 0/3] SRCU changes for 3.20
Date: Wed, 7 Jan 2015 09:38:42 -0800 [thread overview]
Message-ID: <20150107173842.GA3240@linux.vnet.ibm.com> (raw)
Hello!
This series contains some minor changes to SRCU:
1. Expand SRCU ->completed to 64 bits. This is to be consistent with
rcutorture, which now pays attention to this field for more precise
error checking.
2. Combine DEFINE_SRCU() and DEFINE_STATIC_SRCU().
3. Make SRCU optional via a new CONFIG_SRCU Kconfig parameter,
courtesy of Pranith Kumar. This saves about 2KB.
Thanx, Paul
------------------------------------------------------------------------
b/arch/arm/kvm/Kconfig | 1 +
b/arch/arm64/kvm/Kconfig | 1 +
b/arch/mips/kvm/Kconfig | 1 +
b/arch/powerpc/kvm/Kconfig | 1 +
b/arch/s390/kvm/Kconfig | 1 +
b/arch/tile/kvm/Kconfig | 1 +
b/arch/x86/Kconfig | 1 +
b/arch/x86/kvm/Kconfig | 1 +
b/drivers/clk/Kconfig | 1 +
b/drivers/cpufreq/Kconfig | 1 +
b/drivers/devfreq/Kconfig | 1 +
b/drivers/md/Kconfig | 1 +
b/drivers/net/Kconfig | 1 +
b/fs/btrfs/Kconfig | 1 +
b/fs/notify/Kconfig | 1 +
b/fs/quota/Kconfig | 1 +
b/include/linux/srcu.h | 14 ++++++--------
b/init/Kconfig | 9 +++++++++
b/kernel/notifier.c | 3 +++
b/kernel/power/Kconfig | 1 +
b/kernel/rcu/Makefile | 3 ++-
b/kernel/rcu/srcu.c | 2 +-
b/lib/Kconfig.debug | 1 +
b/mm/Kconfig | 1 +
b/security/tomoyo/Kconfig | 1 +
25 files changed, 41 insertions(+), 10 deletions(-)
next reply other threads:[~2015-01-07 17:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-07 17:38 Paul E. McKenney [this message]
2015-01-07 17:39 ` [PATCH tip/core/rcu 1/3] rcu: Expand SRCU ->completed to 64 bits Paul E. McKenney
2015-01-07 17:39 ` [PATCH tip/core/rcu 2/3] rcu: Combine DEFINE_SRCU() and DEFINE_STATIC_SRCU() Paul E. McKenney
2015-01-07 17:39 ` [PATCH tip/core/rcu 3/3] rcu: Make SRCU optional by using CONFIG_SRCU Paul E. McKenney
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