From: Peter Zijlstra <peterz@infradead.org>
To: linux-kernel@vger.kernel.org, torvalds@linux-foundation.org,
manfred@colorfullife.com, dave@stgolabs.net,
paulmck@linux.vnet.ibm.com, will.deacon@arm.com
Cc: boqun.feng@gmail.com, Waiman.Long@hpe.com, tj@kernel.org,
pablo@netfilter.org, kaber@trash.net, davem@davemloft.net,
oleg@redhat.com, netfilter-devel@vger.kernel.org,
sasha.levin@oracle.com, hofrat@osadl.org, peterz@infradead.org
Subject: [PATCH -v4 0/7] spin_unlock_wait borkage and assorted bits
Date: Thu, 02 Jun 2016 13:51:57 +0200 [thread overview]
Message-ID: <20160602115157.249037373@infradead.org> (raw)
Similar to -v3 in that it rewrites spin_unlock_wait() for all.
The new spin_unlock_wait() provides ACQUIRE semantics to match the RELEASE of
the spin_unlock() we waited for and thereby ensure we can fully observe its
critical section.
This fixes a number (pretty much all) spin_unlock_wait() users.
This series pulls in the smp_cond_acquire() rewrite because it introduces a lot
of new users of it. All simple spin_unlock_wait() implementations end up being
one.
New in this series is the removal of cmpwait() and a reorder of patches.
I'm planning on queuing these patches for 4.8.
next reply other threads:[~2016-06-02 11:57 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-02 11:51 Peter Zijlstra [this message]
2016-06-02 11:51 ` [PATCH -v4 1/7] locking: Replace smp_cond_acquire with smp_cond_load_acquire Peter Zijlstra
2016-06-02 11:51 ` [PATCH -v4 2/7] locking: Introduce smp_acquire__after_ctrl_dep Peter Zijlstra
2016-06-02 11:52 ` [PATCH -v4 3/7] locking: Move smp_cond_load_acquire() to asm-generic/barrier.h Peter Zijlstra
2016-06-02 11:52 ` [PATCH -v4 4/7] locking, tile: Provide TILE specific smp_acquire__after_ctrl_dep Peter Zijlstra
2016-06-02 11:52 ` [PATCH -v4 5/7] locking, arch: Update spin_unlock_wait() Peter Zijlstra
2016-06-02 14:24 ` Boqun Feng
2016-06-02 14:44 ` Peter Zijlstra
2016-06-02 15:11 ` Boqun Feng
2016-06-02 15:57 ` Boqun Feng
2016-06-02 16:04 ` Peter Zijlstra
2016-06-02 16:34 ` Peter Zijlstra
2016-06-02 17:57 ` Will Deacon
2016-06-02 21:51 ` Peter Zijlstra
2016-06-03 12:47 ` Will Deacon
2016-06-03 13:42 ` Peter Zijlstra
2016-06-03 17:35 ` Will Deacon
2016-06-03 19:13 ` Peter Zijlstra
2016-06-03 13:48 ` Peter Zijlstra
2016-06-06 16:08 ` Peter Zijlstra
2016-06-07 11:43 ` Boqun Feng
2016-06-07 12:00 ` Peter Zijlstra
2016-06-07 12:45 ` Boqun Feng
2016-06-07 17:36 ` Peter Zijlstra
2016-06-02 11:52 ` [PATCH -v4 6/7] locking: Update spin_unlock_wait users Peter Zijlstra
2016-06-02 11:52 ` [PATCH -v4 7/7] locking,netfilter: Fix nf_conntrack_lock() Peter Zijlstra
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