From: Mike Galbraith <bitbucket@online.de> To: Stephen Rothwell <sfr@canb.auug.org.au> Cc: "H. Peter Anvin" <hpa@zytor.com>, Peter Zijlstra <peterz@infradead.org>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>, Len Brown <lenb@kernel.org>, linux-next@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: linux-next: build failure after merge of the tip tree Date: Sat, 18 Jan 2014 10:46:06 +0100 [thread overview] Message-ID: <1390038366.5676.10.camel@marge.simpson.net> (raw) In-Reply-To: <20140117144518.231fa4bccb16a8d7edd36662@canb.auug.org.au> On Fri, 2014-01-17 at 14:45 +1100, Stephen Rothwell wrote: > Hi all, > > On Thu, 16 Jan 2014 14:51:08 -0800 "H. Peter Anvin" <hpa@zytor.com> wrote: > > > > On 01/16/2014 02:34 PM, Stephen Rothwell wrote: > > > > > > On Thu, 16 Jan 2014 23:25:36 +0100 Peter Zijlstra > > > <peterz@infradead.org> wrote: > > >> > > >> On Fri, Jan 17, 2014 at 07:46:28AM +1100, Stephen Rothwell > > >> wrote: > > >>> > > >>> On Thu, 16 Jan 2014 13:19:55 +0100 Peter Zijlstra > > >>> <peterz@infradead.org> wrote: > > >>>> > > >>>> I think the below ought to work > > >>> > > >>> To be clear, all you did was replace the body of mwait_idle() > > >>> with > > >>> > > >>> mwait_idle_with_hints(0, 0); > > >> > > >> Pretty much, and add the asm/mwait.h include, otherwise you'll > > >> end up with a compile fail. > > >> > > >>> (and the comment above it)? I need to apply in incremental > > >>> patch in the merge commit. > > >> > > >> I don't think I touched the comment at all. > > > > > > > In retrospect this bit probably should have gone through the idle > > tree. That was my bad, I need to coordinate with Len better. > > So this is what I added as a merge fix patch. Someone just needs to make > sure Linus gets this when the latter of the tow trees gets merged. I hope it doesn't look quite like that, next-20140117 is -ENOBOOT on Q6600 box. See below for an alternative. > From: Stephen Rothwell <sfr@canb.auug.org.au> > Date: Fri, 17 Jan 2014 14:42:06 +1100 > Subject: [PATCH] x86 idle: mwait_idle merge update > > Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> > --- > arch/x86/kernel/process.c | 14 ++------------ > 1 file changed, 2 insertions(+), 12 deletions(-) > > diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c > index db471a87fdd8..4da840f01561 100644 > --- a/arch/x86/kernel/process.c > +++ b/arch/x86/kernel/process.c > @@ -28,6 +28,7 @@ > #include <asm/fpu-internal.h> > #include <asm/debugreg.h> > #include <asm/nmi.h> > +#include <asm/mwait.h> > > /* > * per-CPU TSS segments. Threads are completely 'soft' on Linux, > @@ -427,18 +428,7 @@ static int prefer_mwait_c1_over_halt(const struct cpuinfo_x86 *c) > > static void mwait_idle(void) > { > - if (!need_resched()) { > - if (this_cpu_has(X86_FEATURE_CLFLUSH_MONITOR)) > - clflush((void *)¤t_thread_info()->flags); > - > - __monitor((void *)¤t_thread_info()->flags, 0, 0); > - smp_mb(); > - if (!need_resched()) > - __sti_mwait(0, 0); > - else > - local_irq_enable(); > - } else > - local_irq_enable(); > + mwait_idle_with_hints(0, 0); > } > > void select_idle_routine(const struct cpuinfo_x86 *c) > -- > 1.8.5.2 idle: kill unnecessary mwait_idle() resched IPIs Set/clear polling instead. Q6600, pipe-test scheduling cross core: 3.8.13 487.2 KHz 1.000 3.13.0-master 415.5 KHz .852 3.13.0-master+ 415.2 KHz .852 + restore mwait_idle 3.13.0-master++ 488.5 KHz 1.002 + restore mwait_idle + IPI fix 3.13.0-next-20140117 -ENOBOOT 3.13.0-next-20140117+ 531.4 KHz 1.090 + IPI fix Signed-off-by: Mike Galbraith <bitbucket@online.de> --- arch/x86/include/asm/processor.h | 8 ++++++++ arch/x86/kernel/process.c | 10 +++++++--- 2 files changed, 15 insertions(+), 3 deletions(-) --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -723,6 +723,14 @@ static inline void sync_core(void) #endif } +static inline void __sti_mwait(unsigned long eax, unsigned long ecx) +{ + trace_hardirqs_on(); + /* "mwait %eax, %ecx;" */ + asm volatile("sti; .byte 0x0f, 0x01, 0xc9;" + :: "a" (eax), "c" (ecx)); +} + extern void select_idle_routine(const struct cpuinfo_x86 *c); extern void init_amd_e400_c1e_mask(void); --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -28,6 +28,7 @@ #include <asm/fpu-internal.h> #include <asm/debugreg.h> #include <asm/nmi.h> +#include <asm/mwait.h> /* * per-CPU TSS segments. Threads are completely 'soft' on Linux, @@ -427,18 +428,21 @@ static int prefer_mwait_c1_over_halt(con static void mwait_idle(void) { - if (!need_resched()) { - if (this_cpu_has(X86_FEATURE_CLFLUSH_MONITOR)) + if (!current_set_polling_and_test()) { + if (static_cpu_has(X86_FEATURE_CLFLUSH_MONITOR)) { + mb(); clflush((void *)¤t_thread_info()->flags); + mb(); + } __monitor((void *)¤t_thread_info()->flags, 0, 0); - smp_mb(); if (!need_resched()) __sti_mwait(0, 0); else local_irq_enable(); } else local_irq_enable(); + current_clr_polling(); } void select_idle_routine(const struct cpuinfo_x86 *c)
next prev parent reply other threads:[~2014-01-18 9:48 UTC|newest] Thread overview: 343+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-01-16 3:58 Stephen Rothwell 2014-01-16 12:19 ` Peter Zijlstra 2014-01-16 20:46 ` Stephen Rothwell 2014-01-16 22:25 ` Peter Zijlstra 2014-01-16 22:34 ` Stephen Rothwell 2014-01-16 22:51 ` H. Peter Anvin 2014-01-17 3:45 ` Stephen Rothwell 2014-01-18 9:46 ` Mike Galbraith [this message] 2014-01-18 12:44 ` Peter Zijlstra 2014-01-18 14:06 ` Sabrina Dubroca 2014-01-18 15:21 ` Mike Galbraith 2014-01-18 19:14 ` H. Peter Anvin 2014-01-18 21:54 ` Peter Zijlstra 2014-01-20 3:51 ` Stephen Rothwell 2014-01-20 8:42 ` Sedat Dilek 2014-01-20 8:46 ` Sedat Dilek 2014-01-20 13:10 ` Stephen Rothwell 2014-01-20 15:28 ` Sedat Dilek 2014-01-20 9:17 ` Mike Galbraith 2014-01-20 9:25 ` Sedat Dilek 2014-01-20 9:48 ` Mike Galbraith 2014-01-20 4:45 ` Len Brown 2014-01-20 8:26 ` Peter Zijlstra 2014-01-20 8:56 ` H. Peter Anvin 2014-01-20 9:16 ` Peter Zijlstra 2014-01-20 9:23 ` H. Peter Anvin 2014-01-20 9:29 ` Ingo Molnar 2014-01-20 21:39 ` Len Brown 2014-01-20 21:51 ` Peter Zijlstra 2014-01-21 3:26 ` Mike Galbraith 2014-01-21 10:47 ` Ingo Molnar 2014-01-20 9:55 ` Peter Zijlstra 2014-01-20 11:00 ` H. Peter Anvin 2014-01-20 11:05 ` Peter Zijlstra 2014-01-16 20:56 ` H. Peter Anvin 2014-01-20 1:00 ` Len Brown 2014-01-20 1:07 ` H. Peter Anvin 2014-01-20 8:30 ` Peter Zijlstra 2014-01-20 10:13 ` Peter Zijlstra 2014-01-20 10:19 ` H. Peter Anvin 2014-01-20 11:06 ` Peter Zijlstra -- strict thread matches above, loose matches on Subject: below -- 2022-03-15 3:06 Stephen Rothwell 2022-03-15 5:23 ` Stephen Rothwell 2022-03-15 5:37 ` Stephen Rothwell 2022-03-15 8:42 ` Stephen Rothwell 2022-03-15 9:22 ` Peter Zijlstra 2022-03-15 10:41 ` Stephen Rothwell 2021-12-13 17:08 broonie 2021-11-26 3:52 Stephen Rothwell 2021-11-26 10:01 ` Arnd Bergmann 2021-12-01 22:05 ` Stephen Rothwell 2021-12-01 22:17 ` Thomas Gleixner 2021-12-01 22:19 ` Thomas Gleixner 2021-12-01 22:31 ` Stephen Rothwell 2021-10-25 4:11 Stephen Rothwell 2021-10-25 7:42 ` Borislav Petkov 2021-10-25 7:58 ` Stephen Rothwell 2021-10-25 8:37 ` Borislav Petkov 2021-10-28 5:10 ` Stephen Rothwell 2021-10-28 8:17 ` Borislav Petkov 2021-10-18 6:23 Stephen Rothwell 2021-10-18 6:45 ` Qi Zheng 2021-10-06 2:58 Stephen Rothwell 2021-10-06 9:31 ` Borislav Petkov 2021-10-06 9:54 ` Stephen Rothwell 2021-10-06 9:56 ` Borislav Petkov 2021-06-28 3:36 Stephen Rothwell 2021-06-28 5:42 ` Ingo Molnar 2021-05-13 2:05 Stephen Rothwell 2021-05-13 10:51 ` Ingo Molnar 2021-05-13 11:11 ` H. Peter Anvin 2021-03-22 3:37 Stephen Rothwell 2021-03-22 9:00 ` Borislav Petkov 2021-03-26 8:57 ` Sedat Dilek 2021-03-26 13:11 ` Borislav Petkov 2021-03-27 11:50 ` Sedat Dilek 2021-03-27 21:26 ` Stephen Rothwell 2021-03-23 8:34 ` Sedat Dilek 2021-03-17 4:08 Stephen Rothwell 2021-03-17 10:54 ` Borislav Petkov 2021-03-17 16:22 ` Ian Rogers 2021-03-17 18:02 ` Borislav Petkov 2021-03-17 18:49 ` Stephen Rothwell 2021-03-17 19:18 ` Borislav Petkov 2021-03-17 20:04 ` Ingo Molnar 2021-03-17 21:54 ` Stephen Rothwell 2021-03-02 23:38 Stephen Rothwell 2021-03-03 9:44 ` Peter Zijlstra 2021-03-03 11:29 ` Stephen Rothwell 2021-01-14 4:11 Stephen Rothwell 2021-01-14 10:07 ` Borislav Petkov 2020-11-27 4:10 Stephen Rothwell 2020-11-27 10:11 ` Ingo Molnar 2020-11-09 3:34 Stephen Rothwell 2020-10-09 4:28 Stephen Rothwell 2020-10-09 6:47 ` Vasily Gorbik 2020-09-08 9:12 Stephen Rothwell 2020-09-08 10:57 ` peterz 2020-09-03 2:35 Stephen Rothwell 2020-09-03 3:51 ` Ingo Molnar 2020-09-03 4:44 ` Stephen Rothwell 2020-08-03 5:45 Stephen Rothwell 2020-07-31 5:53 Stephen Rothwell 2020-07-31 9:57 ` Ingo Molnar 2020-07-31 10:02 ` Stephen Rothwell 2020-06-22 1:37 Stephen Rothwell 2020-06-30 2:54 ` Stephen Rothwell 2020-07-07 2:33 ` Stephen Rothwell 2020-07-14 3:50 ` Stephen Rothwell 2020-07-20 5:37 ` Stephen Rothwell 2020-06-21 6:33 Stephen Rothwell 2020-06-21 10:53 ` Borislav Petkov 2020-06-22 1:38 ` Stephen Rothwell 2020-05-21 17:31 Stephen Rothwell 2020-05-21 17:35 ` Will Deacon 2020-05-22 7:17 ` Stephen Rothwell 2020-05-22 7:49 ` Stephen Rothwell 2020-05-23 0:12 ` Paul E. McKenney 2020-05-23 6:46 ` Borislav Petkov 2020-05-23 9:54 ` Thomas Gleixner 2020-05-23 15:06 ` Paul E. McKenney 2020-05-23 19:05 ` Thomas Gleixner 2020-05-23 21:23 ` Paul E. McKenney 2020-05-25 0:37 ` Paul E. McKenney 2020-05-25 8:20 ` Marco Elver 2020-05-25 16:13 ` Paul E. McKenney 2020-05-15 6:00 Stephen Rothwell 2020-03-30 3:35 Stephen Rothwell 2020-03-30 3:53 ` H.J. Lu 2020-03-30 4:08 ` Stephen Rothwell 2020-03-30 7:48 ` Borislav Petkov 2020-03-30 8:04 ` Michael Ellerman 2020-03-30 8:16 ` Borislav Petkov 2020-03-30 11:34 ` H.J. Lu 2020-03-26 2:52 Stephen Rothwell 2020-03-26 10:59 ` Qais Yousef 2020-04-01 1:14 ` Stephen Rothwell 2020-04-03 8:15 ` Baolin Wang 2020-04-03 9:50 ` Sebastian Reichel 2019-11-21 3:54 Stephen Rothwell 2019-11-21 8:36 ` Peter Zijlstra 2019-11-21 18:37 ` Alex Deucher 2019-11-18 3:11 Stephen Rothwell 2019-11-18 9:49 ` Jiri Slaby 2019-11-18 12:49 ` Borislav Petkov 2019-10-21 2:13 Stephen Rothwell 2019-10-21 5:51 ` Ingo Molnar 2019-10-21 6:37 ` Stephen Rothwell 2019-10-10 2:14 Stephen Rothwell 2019-10-10 8:02 ` Ingo Molnar 2019-10-10 11:23 ` Stephen Rothwell 2019-10-10 13:44 ` Daniel Vetter 2019-11-06 2:53 ` Stephen Rothwell 2019-11-27 23:39 ` Stephen Rothwell 2019-08-29 6:20 Stephen Rothwell 2019-08-29 7:46 ` Peter Zijlstra 2019-08-29 12:24 ` Thomas Gleixner 2019-08-29 13:04 ` Peter Zijlstra 2019-08-08 4:48 Stephen Rothwell 2019-08-01 3:38 Stephen Rothwell 2019-07-09 6:54 Stephen Rothwell 2019-07-10 0:01 ` Stephen Rothwell 2019-07-10 18:21 ` Ilya Dryomov 2019-07-10 21:38 ` Stephen Rothwell 2019-07-02 5:33 Stephen Rothwell 2019-07-02 10:28 ` David Sterba 2019-07-02 12:57 ` Stephen Rothwell 2019-07-08 6:50 ` Stephen Rothwell 2019-06-25 6:04 Stephen Rothwell 2019-06-25 6:23 ` Kalle Valo 2019-06-25 6:26 ` Thomas Gleixner 2019-06-25 6:36 ` Stephen Rothwell 2019-06-25 6:51 ` Kalle Valo 2019-06-25 6:56 ` Thomas Gleixner 2019-06-25 7:47 ` Kalle Valo 2019-07-09 0:09 ` Stephen Rothwell 2019-07-09 3:46 ` Stephen Rothwell 2018-11-06 0:43 Stephen Rothwell 2018-08-08 23:24 Stephen Rothwell 2018-08-09 9:41 ` Joerg Roedel 2018-04-03 5:41 Stephen Rothwell 2018-04-03 9:30 ` Peter Zijlstra 2018-04-03 12:39 ` David Howells 2018-04-03 12:42 ` Peter Zijlstra 2018-04-03 12:41 ` David Howells 2017-11-08 2:47 Stephen Rothwell 2017-11-08 3:01 ` Josh Poimboeuf 2017-11-08 7:35 ` Stephen Rothwell 2017-11-08 9:18 ` Ingo Molnar 2017-11-08 12:14 ` Stephen Rothwell 2017-11-09 6:18 ` Ingo Molnar 2017-11-08 13:17 ` Josh Poimboeuf 2017-11-09 3:03 ` Stephen Rothwell 2017-11-01 10:51 Stephen Rothwell 2017-11-01 14:32 ` Kees Cook 2017-06-28 3:43 Stephen Rothwell 2017-06-28 4:00 ` jeffy 2017-06-28 4:24 ` Stephen Rothwell 2017-07-03 3:01 ` Stephen Rothwell 2017-05-02 3:17 Stephen Rothwell 2017-04-24 3:32 Stephen Rothwell 2017-04-24 5:31 ` Ingo Molnar 2017-04-05 3:36 Stephen Rothwell 2017-04-05 7:24 ` Mikko Perttunen 2016-12-07 1:37 Stephen Rothwell 2016-12-07 7:45 ` Ingo Molnar 2016-12-07 8:12 ` Jiri Olsa 2016-12-07 14:49 ` Arnaldo Carvalho de Melo 2016-12-07 18:56 ` Ingo Molnar 2016-12-07 20:32 ` Stephen Rothwell 2016-11-17 3:22 Stephen Rothwell 2016-09-29 3:20 Stephen Rothwell 2016-09-29 12:25 ` Rafael J. Wysocki 2016-09-29 15:54 ` Chen, Yu C 2016-09-29 20:50 ` Rafael J. Wysocki 2016-09-21 3:23 Stephen Rothwell 2016-09-21 6:44 ` Viresh Kumar 2016-07-18 8:29 Stephen Rothwell 2016-07-18 14:27 ` Paul Gortmaker 2016-07-18 5:15 Stephen Rothwell 2016-04-18 3:03 Stephen Rothwell 2016-04-14 2:14 Stephen Rothwell 2016-04-14 12:35 ` Arnaldo Carvalho de Melo 2016-04-14 12:55 ` Michael Ellerman 2016-04-14 15:08 ` Arnaldo Carvalho de Melo 2016-04-15 21:15 ` Arnaldo Carvalho de Melo 2016-04-15 21:28 ` Arnaldo Carvalho de Melo 2016-04-17 12:12 ` Jiri Olsa 2016-04-17 13:04 ` Jiri Olsa 2016-04-18 13:24 ` Arnaldo Carvalho de Melo 2016-04-18 13:28 ` Jiri Olsa 2016-03-01 1:29 Stephen Rothwell 2016-03-01 7:07 ` Ingo Molnar 2016-03-01 7:28 ` Sedat Dilek 2016-03-01 7:39 ` H. Peter Anvin 2016-03-01 8:41 ` Sedat Dilek 2016-03-01 9:45 ` Ingo Molnar 2016-03-01 9:40 ` Stephen Rothwell 2015-09-16 1:30 Stephen Rothwell 2015-09-16 4:53 ` David Miller 2015-09-16 0:12 Stephen Rothwell 2015-09-16 6:16 ` Jiri Olsa 2015-09-16 6:38 ` Jiri Olsa 2015-09-16 7:30 ` Stephen Rothwell 2015-09-16 14:17 ` Arnaldo Carvalho de Melo 2015-09-17 0:34 ` Stephen Rothwell 2015-09-30 2:56 ` Stephen Rothwell 2015-09-30 6:08 ` Jiri Olsa 2015-09-30 6:17 ` Stephen Rothwell 2015-07-28 5:33 Stephen Rothwell 2015-07-28 16:34 ` Luis R. Rodriguez 2015-07-28 18:17 ` Luis R. Rodriguez 2015-07-28 2:43 Stephen Rothwell 2015-07-28 8:41 ` Sudeep Holla 2015-07-28 9:43 ` Gregory CLEMENT 2015-07-15 1:01 Stephen Rothwell 2015-07-08 0:56 Stephen Rothwell 2015-07-08 9:40 ` Thomas Gleixner 2015-06-12 10:51 Michael Ellerman [not found] ` <BY1PR0701MB17063C25D627AF725A9E0D46FEBB0@BY1PR0701MB1706.namprd07.prod.outlook.com> 2015-06-12 21:22 ` David Miller 2015-06-12 21:25 ` Chickles, Derek 2015-06-09 7:15 Stephen Rothwell 2015-04-07 7:18 Stephen Rothwell 2015-04-07 8:48 ` Ingo Molnar 2015-04-07 8:56 ` Daniel Borkmann 2015-04-07 9:05 ` Stephen Rothwell 2015-04-07 11:13 ` Daniel Borkmann 2015-04-07 16:18 ` Alexei Starovoitov 2015-04-07 19:54 ` Daniel Borkmann 2015-04-08 5:03 ` Stephen Rothwell 2015-04-15 1:25 ` Stephen Rothwell 2015-04-07 8:53 ` Peter Zijlstra 2015-03-30 6:13 Stephen Rothwell 2015-03-30 7:15 ` Russell King - ARM Linux 2015-03-30 8:08 ` Stephen Rothwell 2015-03-30 14:57 ` Nathan Lynch 2015-03-30 15:08 ` Russell King - ARM Linux 2015-03-30 15:24 ` Nathan Lynch 2015-04-13 23:34 ` Stephen Rothwell 2014-07-25 4:45 Stephen Rothwell 2014-07-29 23:56 ` Stephen Rothwell 2014-07-30 3:10 ` John Stultz 2014-06-04 6:05 Stephen Rothwell 2014-06-04 10:49 ` Thomas Gleixner 2014-06-04 14:46 ` Linus Torvalds 2014-06-04 16:23 ` Olof Johansson 2014-06-04 20:02 ` Thomas Gleixner 2014-05-23 7:14 Stephen Rothwell 2014-05-29 1:38 ` Stephen Rothwell 2014-04-24 3:51 Stephen Rothwell 2014-02-12 2:41 Stephen Rothwell 2014-02-12 4:48 ` Preeti U Murthy 2014-02-11 3:00 Stephen Rothwell 2014-01-14 3:26 Stephen Rothwell 2014-01-14 14:14 ` Peter Zijlstra 2014-01-14 19:06 ` Mikulas Patocka 2014-01-14 20:05 ` Peter Zijlstra 2014-01-14 21:43 ` Mikulas Patocka 2014-01-14 22:03 ` Rafael J. Wysocki 2014-01-14 21:52 ` Mikulas Patocka 2014-01-14 22:18 ` Rafael J. Wysocki 2014-01-16 12:14 ` Peter Zijlstra 2013-10-28 9:24 Stephen Rothwell 2013-10-28 10:18 ` Thierry Reding 2013-10-28 10:26 ` Ingo Molnar 2013-10-29 6:00 ` Stephen Rothwell 2013-04-29 5:45 Stephen Rothwell 2013-02-14 2:30 Stephen Rothwell 2013-02-21 2:04 ` Stephen Rothwell 2013-02-02 5:04 Stephen Rothwell 2012-08-16 3:12 Stephen Rothwell 2012-08-16 19:46 ` Paul E. McKenney 2012-08-17 0:56 ` Stephen Rothwell 2012-08-17 11:50 ` Paul E. McKenney 2012-08-20 4:54 ` Stephen Rothwell 2012-08-20 15:09 ` Paul E. McKenney 2012-03-08 4:21 Stephen Rothwell 2012-03-08 18:00 ` Greg KH 2012-03-20 22:00 ` Stephen Rothwell 2012-03-20 22:32 ` Greg KH 2012-03-21 9:53 ` Alan Cox 2012-03-21 12:19 ` Alan Cox 2012-03-21 12:29 ` Stephen Rothwell 2012-02-24 3:47 Stephen Rothwell 2012-02-24 3:34 Stephen Rothwell 2011-10-05 6:25 Stephen Rothwell 2011-10-05 8:46 ` Peter Zijlstra 2011-10-11 6:15 ` Stephen Rothwell 2011-06-27 4:22 Stephen Rothwell 2011-06-28 10:55 ` Stijn Devriendt 2011-04-01 2:00 Stephen Rothwell 2011-01-31 4:42 Stephen Rothwell 2011-02-17 3:47 ` Stephen Rothwell 2011-02-17 13:18 ` Michal Marek 2011-02-17 15:02 ` Michal Marek 2011-02-17 17:11 ` Ingo Molnar 2011-02-17 22:47 ` Stephen Rothwell 2011-02-18 3:54 ` Stephen Rothwell 2010-10-19 5:13 Stephen Rothwell 2010-07-29 3:04 Stephen Rothwell 2010-05-10 4:49 Stephen Rothwell 2010-05-10 5:09 ` H. Peter Anvin 2010-03-12 4:00 Stephen Rothwell
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