From: Waiman Long <Waiman.Long@hp.com>
To: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>, Arnd Bergmann <arnd@arndb.de>
Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
Scott J Norton <scott.norton@hp.com>,
Douglas Hatch <doug.hatch@hp.com>,
Waiman Long <Waiman.Long@hp.com>
Subject: [PATCH 0/2] locking/qrwlock: Fix interrupt handling problem
Date: Mon, 8 Jun 2015 18:20:42 -0400 [thread overview]
Message-ID: <1433802045-21298-1-git-send-email-Waiman.Long@hp.com> (raw)
This patch series contains 2 patches on qrwlock. The first one is just
a recap of the patch that I sent a few weeks ago. The second one is to
optimize the writer slowpath.
Waiman Long (2):
locking/qrwlock: Fix bug in interrupt handling code
locking/qrwlock: Don't contend with readers when setting _QW_WAITING
include/asm-generic/qrwlock.h | 4 +-
kernel/locking/qrwlock.c | 42 +++++++++++++++++++++++++++++++---------
2 files changed, 34 insertions(+), 12 deletions(-)
next reply other threads:[~2015-06-08 22:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-08 22:20 Waiman Long [this message]
2015-06-08 22:20 ` [PATCH 1/2] locking/qrwlock: Fix bug in interrupt handling code Waiman Long
2015-06-08 22:20 ` [PATCH 2/2] locking/qrwlock: Don't contend with readers when setting _QW_WAITING Waiman Long
2015-06-09 12:04 ` Peter Zijlstra
2015-06-09 15:23 ` Waiman Long
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