From: Andy Lutomirski <luto@amacapital.net>
To: Paolo Bonzini <pbonzini@redhat.com>,
Marcelo Tosatti <mtosatti@redhat.com>
Cc: Gleb Natapov <gleb@kernel.org>, kvm list <kvm@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
Andy Lutomirski <luto@amacapital.net>
Subject: [RFC 0/2] x86, vdso, pvclock: Cleanups and speedups
Date: Mon, 22 Dec 2014 16:39:55 -0800 [thread overview]
Message-ID: <cover.1419295081.git.luto@amacapital.net> (raw)
This is a dramatic simplification and speedup of the vdso pvclock read
code. Is it correct?
Andy Lutomirski (2):
x86, vdso: Use asm volatile in __getcpu
x86, vdso, pvclock: Simplify and speed up the vdso pvclock reader
arch/x86/include/asm/vgtod.h | 6 ++--
arch/x86/vdso/vclock_gettime.c | 82 ++++++++++++++++++++++++------------------
2 files changed, 51 insertions(+), 37 deletions(-)
--
2.1.0
next reply other threads:[~2014-12-23 0:39 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-23 0:39 Andy Lutomirski [this message]
2014-12-23 0:39 ` [RFC 1/2] x86, vdso: Use asm volatile in __getcpu Andy Lutomirski
2014-12-23 0:39 ` Andy Lutomirski
2014-12-23 0:39 ` [RFC 2/2] x86, vdso, pvclock: Simplify and speed up the vdso pvclock reader Andy Lutomirski
2014-12-23 10:28 ` [Xen-devel] " David Vrabel
2014-12-23 10:28 ` David Vrabel
2014-12-23 15:14 ` [Xen-devel] " Boris Ostrovsky
2014-12-23 15:14 ` Paolo Bonzini
2014-12-23 15:14 ` [Xen-devel] " Paolo Bonzini
2014-12-23 15:25 ` Boris Ostrovsky
2014-12-23 15:25 ` Boris Ostrovsky
2014-12-23 15:14 ` Boris Ostrovsky
2014-12-24 21:30 ` David Matlack
2014-12-24 21:30 ` David Matlack
2014-12-24 21:43 ` Andy Lutomirski
2014-12-24 21:43 ` Andy Lutomirski
2015-01-05 15:25 ` Marcelo Tosatti
2015-01-05 18:56 ` Andy Lutomirski
2015-01-05 19:17 ` Marcelo Tosatti
2015-01-05 22:38 ` Andy Lutomirski
2015-01-05 22:38 ` Andy Lutomirski
2015-01-05 22:48 ` Marcelo Tosatti
2015-01-05 22:48 ` Marcelo Tosatti
2015-01-05 22:53 ` Andy Lutomirski
2015-01-05 22:53 ` Andy Lutomirski
2015-01-06 8:42 ` Paolo Bonzini
2015-01-06 8:42 ` Paolo Bonzini
2015-01-06 12:01 ` Paolo Bonzini
2015-01-06 16:56 ` Andy Lutomirski
2015-01-06 18:13 ` Marcelo Tosatti
2015-01-06 18:26 ` Andy Lutomirski
2015-01-06 18:45 ` Marcelo Tosatti
2015-01-06 18:45 ` Marcelo Tosatti
2015-01-06 19:49 ` Andy Lutomirski
2015-01-06 20:20 ` Marcelo Tosatti
2015-01-06 20:20 ` Marcelo Tosatti
2015-01-06 21:54 ` Andy Lutomirski
2015-01-06 21:54 ` Andy Lutomirski
2015-01-08 22:31 ` Marcelo Tosatti
2015-01-08 22:31 ` Marcelo Tosatti
2015-01-08 22:43 ` Andy Lutomirski
2015-02-26 22:46 ` Andy Lutomirski
2015-02-26 22:46 ` Andy Lutomirski
2015-01-08 22:43 ` Andy Lutomirski
2015-01-06 19:49 ` Andy Lutomirski
2015-01-07 5:41 ` Paolo Bonzini
2015-01-07 5:41 ` Paolo Bonzini
2015-01-06 18:26 ` Andy Lutomirski
2015-01-06 18:13 ` Marcelo Tosatti
2015-01-07 5:38 ` Paolo Bonzini
2015-01-07 7:18 ` Andy Lutomirski
2015-01-07 7:18 ` Andy Lutomirski
2015-01-07 9:00 ` Paolo Bonzini
2015-01-07 9:00 ` Paolo Bonzini
2015-01-07 14:45 ` Marcelo Tosatti
2015-01-07 14:45 ` Marcelo Tosatti
2015-01-07 5:38 ` Paolo Bonzini
2015-01-06 16:56 ` Andy Lutomirski
2015-01-06 8:39 ` Paolo Bonzini
2015-01-06 8:39 ` Paolo Bonzini
2015-01-05 19:17 ` Marcelo Tosatti
2015-01-05 22:23 ` Paolo Bonzini
2015-01-05 22:23 ` Paolo Bonzini
2015-01-06 14:35 ` Konrad Rzeszutek Wilk
2015-01-06 14:35 ` [Xen-devel] " Konrad Rzeszutek Wilk
2015-01-05 18:56 ` Andy Lutomirski
2015-01-05 15:25 ` Marcelo Tosatti
2015-01-08 12:51 ` David Vrabel
2015-01-08 12:51 ` [Xen-devel] " David Vrabel
2014-12-23 0:39 ` Andy Lutomirski
2014-12-23 7:21 ` [RFC 0/2] x86, vdso, pvclock: Cleanups and speedups Paolo Bonzini
2014-12-23 7:21 ` Paolo Bonzini
2014-12-23 8:16 ` Andy Lutomirski
2014-12-23 8:16 ` Andy Lutomirski
2014-12-23 8:30 ` Paolo Bonzini
2014-12-23 8:30 ` Paolo Bonzini
-- strict thread matches above, loose matches on Subject: below --
2014-12-23 0:39 Andy Lutomirski
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