All the mail mirrored from lore.kernel.org
 help / color / mirror / Atom feed
From: Ingo Molnar <mingo@elte.hu>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org,
	"Peter Zijlstra" <a.p.zijlstra@chello.nl>,
	"Arnaldo Carvalho de Melo" <acme@redhat.com>,
	"Frédéric Weisbecker" <fweisbec@gmail.com>,
	"Steven Rostedt" <rostedt@goodmis.org>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Andrew Morton" <akpm@linux-foundation.org>
Subject: [GIT PULL] perf fixes
Date: Wed, 13 Oct 2010 17:21:59 +0200	[thread overview]
Message-ID: <20101013152159.GA18858@elte.hu> (raw)

Linus,

Please pull the latest perf-fixes-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git perf-fixes-for-linus

 Thanks,

	Ingo

------------------>
Deng-Cheng Zhu (1):
      perf, MIPS: Support cross compiling of tools/perf for MIPS

John Blackwood (1):
      perf: Fix incorrect copy_from_user() usage

Steven Rostedt (1):
      ring-buffer: Fix typo of time extends per page


 kernel/perf_event.c        |    4 +---
 kernel/trace/ring_buffer.c |    2 +-
 tools/perf/perf.h          |   12 ++++++++++++
 3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index db5b560..b98bed3 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -2202,15 +2202,13 @@ static void perf_event_for_each(struct perf_event *event,
 static int perf_event_period(struct perf_event *event, u64 __user *arg)
 {
 	struct perf_event_context *ctx = event->ctx;
-	unsigned long size;
 	int ret = 0;
 	u64 value;
 
 	if (!event->attr.sample_period)
 		return -EINVAL;
 
-	size = copy_from_user(&value, arg, sizeof(value));
-	if (size != sizeof(value))
+	if (copy_from_user(&value, arg, sizeof(value)))
 		return -EFAULT;
 
 	if (!value)
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 492197e..bca9637 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -405,7 +405,7 @@ static inline int test_time_stamp(u64 delta)
 #define BUF_MAX_DATA_SIZE (BUF_PAGE_SIZE - (sizeof(u32) * 2))
 
 /* Max number of timestamps that can fit on a page */
-#define RB_TIMESTAMPS_PER_PAGE	(BUF_PAGE_SIZE / RB_LEN_TIME_STAMP)
+#define RB_TIMESTAMPS_PER_PAGE	(BUF_PAGE_SIZE / RB_LEN_TIME_EXTEND)
 
 int ring_buffer_print_page_header(struct trace_seq *s)
 {
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index ef7aa0a..95aaf56 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -73,6 +73,18 @@ void get_term_dimensions(struct winsize *ws);
 #define cpu_relax()	asm volatile("":::"memory")
 #endif
 
+#ifdef __mips__
+#include "../../arch/mips/include/asm/unistd.h"
+#define rmb()		asm volatile(					\
+				".set	mips2\n\t"			\
+				"sync\n\t"				\
+				".set	mips0"				\
+				: /* no output */			\
+				: /* no input */			\
+				: "memory")
+#define cpu_relax()	asm volatile("" ::: "memory")
+#endif
+
 #include <time.h>
 #include <unistd.h>
 #include <sys/types.h>

             reply	other threads:[~2010-10-13 15:22 UTC|newest]

Thread overview: 376+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-13 15:21 Ingo Molnar [this message]
  -- strict thread matches above, loose matches on Subject: below --
2023-01-06 11:57 [GIT PULL] perf fixes Ingo Molnar
2023-01-06 21:19 ` pr-tracker-bot
2022-10-02 10:56 Ingo Molnar
2022-10-02 16:47 ` Linus Torvalds
2022-10-03 10:55   ` Ingo Molnar
2022-10-02 17:20 ` pr-tracker-bot
2022-08-28 14:35 Ingo Molnar
2022-08-28 18:18 ` pr-tracker-bot
2022-08-06 19:10 Ingo Molnar
2022-08-07  0:50 ` pr-tracker-bot
2021-07-11 13:26 Ingo Molnar
2021-07-11 18:22 ` pr-tracker-bot
2021-06-12 12:48 Ingo Molnar
2021-06-12 19:09 ` pr-tracker-bot
2021-03-21 10:56 Ingo Molnar
2021-03-21 18:45 ` pr-tracker-bot
2020-08-15 11:21 Ingo Molnar
2020-08-16  1:55 ` pr-tracker-bot
2020-04-25  9:19 Ingo Molnar
2020-04-25 19:30 ` pr-tracker-bot
2020-03-24  9:19 Ingo Molnar
2020-03-24 17:15 ` pr-tracker-bot
2020-03-02  7:23 Ingo Molnar
2020-03-03 23:35 ` pr-tracker-bot
2020-02-15  8:53 Ingo Molnar
2020-02-15 21:25 ` pr-tracker-bot
2020-01-18 17:58 Ingo Molnar
2020-01-18 21:05 ` pr-tracker-bot
2019-12-21 16:16 Ingo Molnar
2019-12-21 18:55 ` pr-tracker-bot
2019-12-17 11:34 Ingo Molnar
2019-12-17 19:06 ` Linus Torvalds
2019-12-18  6:58   ` Ingo Molnar
2019-12-17 19:20 ` pr-tracker-bot
2019-12-01 22:15 Ingo Molnar
2019-12-02  4:40 ` pr-tracker-bot
2019-11-16 21:33 Ingo Molnar
2019-11-17  0:35 ` pr-tracker-bot
2019-11-01 17:48 Ingo Molnar
2019-11-01 18:48 ` Linus Torvalds
2019-11-01 20:30   ` Ingo Molnar
2019-11-01 21:01     ` Ingo Molnar
2019-11-01 22:15     ` Linus Torvalds
2019-11-01 19:10 ` pr-tracker-bot
2019-10-12 13:31 Ingo Molnar
2019-10-12 22:35 ` pr-tracker-bot
2019-07-14 12:01 Ingo Molnar
2019-07-14 18:45 ` pr-tracker-bot
2019-06-29  8:54 Ingo Molnar
2019-06-29 11:45 ` pr-tracker-bot
2019-06-02 17:39 Ingo Molnar
2019-06-02 18:15 ` pr-tracker-bot
2019-05-16 16:05 Ingo Molnar
2019-05-16 18:20 ` pr-tracker-bot
2019-05-05 12:47 Ingo Molnar
2019-05-05 22:10 ` pr-tracker-bot
2019-04-20  7:43 Ingo Molnar
2019-04-20 19:25 ` pr-tracker-bot
2019-04-12 13:06 Ingo Molnar
2019-04-13  4:05 ` pr-tracker-bot
2019-02-17 10:10 Ingo Molnar
2019-02-17 16:50 ` pr-tracker-bot
2019-02-10  9:01 Ingo Molnar
2019-02-10 18:30 ` pr-tracker-bot
2019-01-11  7:44 Ingo Molnar
2019-01-11 18:00 ` pr-tracker-bot
2018-11-30  6:25 Ingo Molnar
2018-11-30 21:00 ` pr-tracker-bot
2018-11-17 10:55 Ingo Molnar
2018-11-18 20:05 ` pr-tracker-bot
2018-10-20  8:10 Ingo Molnar
2018-10-20 13:28 ` Greg Kroah-Hartman
2018-10-11  9:12 Ingo Molnar
2018-10-11 12:32 ` Greg Kroah-Hartman
2018-10-11  8:59 Ingo Molnar
2018-10-05  9:42 Ingo Molnar
2018-10-05  9:55 ` Ingo Molnar
2018-10-05 23:30   ` Greg Kroah-Hartman
2018-09-15 13:11 Ingo Molnar
2018-07-30 17:53 Ingo Molnar
2018-07-13 19:59 Ingo Molnar
2018-06-30  8:44 Ingo Molnar
2018-06-04  9:04 Ingo Molnar
2018-03-31 10:40 Ingo Molnar
2018-03-25  8:53 Ingo Molnar
2018-02-06 21:29 Ingo Molnar
2017-12-06 22:17 Ingo Molnar
2017-11-26 12:40 Ingo Molnar
2017-11-05 14:40 Ingo Molnar
2017-11-09  8:13 ` Markus Trippelsdorf
2017-10-14 16:04 Ingo Molnar
2017-09-13 18:00 Ingo Molnar
2017-09-12 15:32 Ingo Molnar
2017-07-21 10:15 Ingo Molnar
2017-06-10  8:39 Ingo Molnar
2017-05-12  7:31 Ingo Molnar
2017-03-07 20:30 Ingo Molnar
2017-02-28  8:01 Ingo Molnar
2017-02-11 18:12 Ingo Molnar
2017-02-02 21:01 Ingo Molnar
2017-01-18  9:27 Ingo Molnar
2017-01-15  9:59 Ingo Molnar
2016-12-23 22:50 Ingo Molnar
2016-12-07 18:45 Ingo Molnar
2016-11-23  9:00 Ingo Molnar
2016-11-14  7:56 Ingo Molnar
2016-10-28 19:41 Ingo Molnar
2016-10-18 11:07 Ingo Molnar
2016-09-13 18:14 Ingo Molnar
2016-08-18 20:38 Ingo Molnar
2016-08-12 19:35 Ingo Molnar
2016-07-26 14:13 Ingo Molnar
2016-07-08 13:42 Ingo Molnar
2016-06-10 12:50 Ingo Molnar
2016-05-13 18:51 Ingo Molnar
2016-05-06 11:26 Ingo Molnar
2016-04-28 17:56 Ingo Molnar
2016-04-03 11:00 Ingo Molnar
2016-02-20 11:14 Ingo Molnar
2016-01-14 10:03 Ingo Molnar
2016-01-08 12:46 Ingo Molnar
2015-12-08  4:22 Ingo Molnar
2015-09-17  8:02 Ingo Molnar
2015-09-02 18:11 Ingo Molnar
2015-08-22 12:19 Ingo Molnar
2015-08-14  7:12 Ingo Molnar
2015-07-18  2:53 Ingo Molnar
2015-07-06 15:29 Ingo Molnar
2015-06-13 14:29 Ingo Molnar
2015-06-05  8:37 Ingo Molnar
2015-05-15  7:17 Ingo Molnar
2015-05-06 12:52 Ingo Molnar
2015-04-03 13:11 Ingo Molnar
2015-03-17 16:48 Ingo Molnar
2015-03-01 17:00 Ingo Molnar
2015-02-20 13:40 Ingo Molnar
2015-01-30 18:44 Ingo Molnar
2015-01-17 14:15 Ingo Molnar
2015-01-11  8:42 Ingo Molnar
2014-11-20  7:46 Ingo Molnar
2014-10-31 11:13 Ingo Molnar
2014-11-03  9:02 ` Paul Bolle
2014-11-03 10:04   ` Peter Zijlstra
2014-09-19 10:46 Ingo Molnar
2014-08-24 20:25 Ingo Molnar
2014-07-16 11:11 Ingo Molnar
2014-06-18 16:39 Ingo Molnar
2014-05-22  8:04 Ingo Molnar
2014-05-01  6:34 Ingo Molnar
2014-04-20  8:02 Ingo Molnar
2014-04-19 10:41 Ingo Molnar
2014-04-16 13:04 Ingo Molnar
2014-03-22  9:06 Ingo Molnar
2014-03-16 16:34 Ingo Molnar
2014-03-02  8:51 Ingo Molnar
2014-02-22 19:16 Ingo Molnar
2014-02-09  8:01 Ingo Molnar
2014-01-25  7:30 Ingo Molnar
2014-01-19 12:08 Ingo Molnar
2013-12-19 16:52 Ingo Molnar
2013-12-02 14:39 Ingo Molnar
2013-11-15 19:46 Ingo Molnar
2013-11-01  9:56 Ingo Molnar
2013-10-29 10:04 Ingo Molnar
2013-10-26 12:24 Ingo Molnar
2013-10-28  8:28 ` Markus Trippelsdorf
2013-10-28  9:02   ` ------------------------------ Markus Trippelsdorf
2013-10-28  9:34     ` Markus Trippelsdorf
2013-10-28 12:34       ` Arnaldo Carvalho de Melo
2013-10-28 12:42         ` Arnaldo Carvalho de Melo
2013-10-28 12:59           ` Markus Trippelsdorf
2013-10-29  9:50           ` Stephane Eranian
2013-10-29 10:06             ` Ingo Molnar
2013-10-29 12:47             ` Arnaldo Carvalho de Melo
2013-10-08 12:12 Ingo Molnar
2013-09-28 18:03 Ingo Molnar
2013-09-29 11:47 ` Markus Trippelsdorf
2013-09-29 21:33   ` Andi Kleen
2013-09-29 22:47     ` Markus Trippelsdorf
2013-09-30  6:27     ` Ingo Molnar
2013-09-30 18:54       ` Andi Kleen
2013-10-01  8:42         ` Ingo Molnar
2013-09-25 18:00 Ingo Molnar
2013-09-18 16:06 Ingo Molnar
2013-09-12 13:38 Ingo Molnar
2013-09-12 18:03 ` Linus Torvalds
2013-09-12 18:10   ` Linus Torvalds
2013-09-12 18:43     ` Arnaldo Carvalho de Melo
2013-09-12 19:12       ` Arnaldo Carvalho de Melo
2013-09-12 19:13         ` Linus Torvalds
2013-09-12 19:55       ` Ingo Molnar
2013-09-12 19:58       ` David Ahern
2013-09-12 20:02         ` Arnaldo Carvalho de Melo
2013-09-12 20:31           ` Ingo Molnar
2013-09-12 20:43             ` Ingo Molnar
2013-09-12 20:18         ` Ingo Molnar
2013-09-12 20:38           ` Arnaldo Carvalho de Melo
2013-09-12 20:46             ` Ingo Molnar
2013-09-12 21:09               ` David Ahern
2013-09-12 21:18                 ` Ingo Molnar
2013-09-12 22:10                   ` David Ahern
2013-09-13  5:09                     ` Ingo Molnar
2013-09-13  9:32                       ` Jean Pihet
2013-09-13  9:45                         ` Ingo Molnar
2013-09-13 17:15                           ` Jean Pihet
2013-09-12 18:51     ` Linus Torvalds
2013-09-12 20:33       ` Ingo Molnar
2013-09-12 20:38         ` Linus Torvalds
2013-09-12 20:49           ` Ingo Molnar
2013-09-12 20:52             ` Linus Torvalds
2013-09-12 21:01               ` Ingo Molnar
2013-09-12 20:10     ` Ingo Molnar
2013-08-13 16:51 Ingo Molnar
2013-07-10  8:52 Ingo Molnar
2013-06-26  8:52 Ingo Molnar
2013-06-20  8:58 Ingo Molnar
2013-05-05 10:10 Ingo Molnar
2013-04-21  8:16 Ingo Molnar
2013-04-14 15:20 Ingo Molnar
2013-03-21  9:56 Ingo Molnar
2013-03-11 14:28 Ingo Molnar
2013-02-26  7:02 Ingo Molnar
2013-03-14 20:32 ` Linus Torvalds
2013-03-14 21:06   ` Linus Torvalds
2013-03-14 22:09     ` Stephane Eranian
2013-03-14 22:17       ` Linus Torvalds
2013-03-14 22:19         ` Stephane Eranian
2013-03-14 22:42           ` Stephane Eranian
2013-03-14 22:53             ` Stephane Eranian
2013-03-14 23:11               ` Stephane Eranian
2013-03-15  0:24                 ` Stephane Eranian
2013-03-15  1:06                   ` Linus Torvalds
2013-03-15  8:01                     ` Stephane Eranian
2013-03-15 10:50                       ` Stephane Eranian
2013-02-04 18:20 Ingo Molnar
2012-12-01 11:11 Ingo Molnar
2012-10-26 14:44 Ingo Molnar
2012-10-23 11:02 Ingo Molnar
2012-10-20  0:56 Ingo Molnar
2012-09-21 19:08 Ingo Molnar
2012-09-13 14:39 Ingo Molnar
2012-08-23 10:59 Ingo Molnar
2012-08-20  9:08 Ingo Molnar
2012-08-21  7:59 ` Ingo Molnar
2012-08-05 17:43 Ingo Molnar
2012-08-03 16:40 Ingo Molnar
2012-07-14  7:51 Ingo Molnar
2012-06-22 13:36 Ingo Molnar
2012-06-22 18:07 ` Linus Torvalds
2012-06-22 18:38   ` Hagen Paul Pfeifer
2012-06-22 18:52     ` Linus Torvalds
2012-06-22 19:06       ` Hagen Paul Pfeifer
2012-06-22 19:54         ` Steven Rostedt
     [not found]           ` <86448d73-2e19-416f-8104-ce72aa5d76eb@email.android.com>
2012-06-22 23:18             ` Steven Rostedt
2012-06-23  0:51               ` Arjan van de Ven
2012-06-23  1:57                 ` Steven Rostedt
2012-06-23 18:25                 ` H. Peter Anvin
2012-06-22 18:50   ` Steven Rostedt
2012-06-15 18:48 Ingo Molnar
2012-06-08  9:20 Ingo Molnar
2012-05-30 15:39 Ingo Molnar
2012-05-17  8:19 Ingo Molnar
2012-04-27  6:32 Ingo Molnar
2012-04-16 17:48 Ingo Molnar
2012-04-14 10:54 Ingo Molnar
2012-04-03 22:40 Ingo Molnar
2012-03-13 16:56 Ingo Molnar
2012-03-05  9:27 Ingo Molnar
2012-03-02 10:47 Ingo Molnar
2012-02-10 12:45 Ingo Molnar
2012-02-02 10:00 Ingo Molnar
2012-01-26 18:11 Ingo Molnar
2011-12-29 21:02 Ingo Molnar
2011-12-09  6:16 Ingo Molnar
2011-12-05 19:13 Ingo Molnar
2011-11-07 18:49 Ingo Molnar
2011-11-07 19:00 ` Linus Torvalds
2011-11-07 19:50   ` Ingo Molnar
2011-08-22 17:00 Ingo Molnar
2011-08-11  8:17 Ingo Molnar
2011-07-07 18:11 Ingo Molnar
2011-06-19  8:44 Ingo Molnar
2011-06-13  9:53 Ingo Molnar
2011-06-08 13:46 Ingo Molnar
2011-05-28 16:34 Ingo Molnar
2011-05-24  2:41 Ingo Molnar
2011-05-23 13:41 Ingo Molnar
2011-05-23 22:10 ` Eric Dumazet
2011-05-23 22:19   ` Frederic Weisbecker
2011-05-23 22:22     ` Eric Dumazet
2011-05-20 17:18 Ingo Molnar
2011-05-17 22:07 Ingo Molnar
2011-05-07 18:20 Ingo Molnar
2011-04-29 18:17 Ingo Molnar
2011-04-22 13:42 Ingo Molnar
2011-04-19 15:56 Ingo Molnar
2011-04-16 10:03 Ingo Molnar
2011-04-07 17:48 Ingo Molnar
2011-04-02 10:25 Ingo Molnar
2011-03-25 13:11 Ingo Molnar
2011-03-10  7:53 Ingo Molnar
2011-02-28 17:34 Ingo Molnar
2011-02-22 16:03 Ingo Molnar
2011-02-15 16:58 Ingo Molnar
2011-02-06 11:27 Ingo Molnar
2011-02-03 15:47 Ingo Molnar
2011-01-24 13:34 Ingo Molnar
2011-01-24 19:48 ` Linus Torvalds
2011-01-24 20:07   ` Ingo Molnar
2011-01-24 20:11     ` Ingo Molnar
2011-01-24 20:17       ` Ingo Molnar
2011-01-24 20:17     ` Linus Torvalds
2011-01-24 20:27       ` Linus Torvalds
2011-01-24 20:38         ` Arnaldo Carvalho de Melo
2011-01-24 21:13           ` Linus Torvalds
2011-01-24 21:25           ` Ingo Molnar
2011-01-24 22:00             ` Arnaldo Carvalho de Melo
2011-01-25  0:16               ` Ingo Molnar
2011-01-24 20:37       ` Davidlohr Bueso
2011-01-24 20:14   ` Arnaldo Carvalho de Melo
2011-01-18 18:59 Ingo Molnar
2011-01-18  9:42 Ingo Molnar
2011-01-15 15:24 Ingo Molnar
2011-01-11 11:32 Ingo Molnar
2011-01-03 19:04 Ingo Molnar
2010-12-23 12:56 Ingo Molnar
2010-12-19 15:34 Ingo Molnar
2010-12-08  7:55 Ingo Molnar
2010-11-28 17:36 Ingo Molnar
2010-11-26 13:20 Ingo Molnar
2010-11-11 10:38 Ingo Molnar
2010-10-30 18:21 Ingo Molnar
2010-10-05 14:49 Ingo Molnar
2010-09-26  8:38 Ingo Molnar
2010-09-21 19:39 Ingo Molnar
2010-09-10 14:26 Ingo Molnar
2010-08-25 17:44 Ingo Molnar
2010-08-24 19:06 Ingo Molnar
2010-08-19 14:55 Ingo Molnar
2010-08-18  8:14 Ingo Molnar
2010-07-23 19:41 Ingo Molnar
2010-07-16 17:30 Ingo Molnar
2010-07-08  4:36 Frederic Weisbecker
2010-07-08  4:40 ` Frederic Weisbecker
2010-07-08  6:36 ` Ingo Molnar
2010-07-04 20:24 Ingo Molnar
2010-06-10 10:25 Ingo Molnar
2010-06-02 12:28 Ingo Molnar
2010-05-31 23:02 Frederic Weisbecker
2010-06-01  6:59 ` Ingo Molnar
2010-05-30 19:27 Ingo Molnar
2010-05-20  9:44 Frederic Weisbecker
2010-05-20 12:40 ` Ingo Molnar
2010-05-11 19:18 Ingo Molnar
2010-05-12  0:39 ` Linus Torvalds
2010-04-06 17:49 Ingo Molnar
2010-04-04 10:15 Ingo Molnar
2010-04-03 10:47 Frederic Weisbecker
2010-03-28  5:11 Frederic Weisbecker
2010-03-29  3:33 ` Ingo Molnar
2010-03-26 15:16 Ingo Molnar
2010-03-16 16:06 Ingo Molnar
2010-03-11 19:12 Ingo Molnar
2010-02-22 16:50 Ingo Molnar
2010-02-22 17:01 ` Linus Torvalds
2010-02-22 17:15   ` Frederic Weisbecker
2010-02-14  9:06 Ingo Molnar
2010-01-31 17:32 Ingo Molnar
2010-01-21 15:38 Ingo Molnar
2009-12-31 12:00 Ingo Molnar
2009-12-18 18:59 Ingo Molnar
2009-09-22  7:51 Ingo Molnar
2009-09-22 14:49 ` Linus Torvalds
2009-09-22 14:59   ` Ingo Molnar
2009-09-22 15:13     ` Linus Torvalds

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20101013152159.GA18858@elte.hu \
    --to=mingo@elte.hu \
    --cc=a.p.zijlstra@chello.nl \
    --cc=acme@redhat.com \
    --cc=akpm@linux-foundation.org \
    --cc=fweisbec@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=rostedt@goodmis.org \
    --cc=tglx@linutronix.de \
    --cc=torvalds@linux-foundation.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.