* [PATCH 1/2] perf tools: fix build for rbtree.c change
@ 2012-03-30 17:38 Andi Kleen
2012-03-30 17:38 ` [PATCH 2/2] perf tools: Fix record sample overlap check for callchains Andi Kleen
` (2 more replies)
0 siblings, 3 replies; 6+ messages in thread
From: Andi Kleen @ 2012-03-30 17:38 UTC (permalink / raw)
To: acme; +Cc: linux-kernel, Andi Kleen
From: Andi Kleen <ak@linux.intel.com>
rbtree.c in the main tree now includes linux/export.h, so this file
needs a stub too. This makes perf build again in mainline.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
---
tools/perf/util/include/linux/export.h | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
create mode 100644 tools/perf/util/include/linux/export.h
diff --git a/tools/perf/util/include/linux/export.h b/tools/perf/util/include/linux/export.h
new file mode 100644
index 0000000..493b181
--- /dev/null
+++ b/tools/perf/util/include/linux/export.h
@@ -0,0 +1 @@
+#include <linux/module.h>
--
1.7.7.6
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 2/2] perf tools: Fix record sample overlap check for callchains
2012-03-30 17:38 [PATCH 1/2] perf tools: fix build for rbtree.c change Andi Kleen
@ 2012-03-30 17:38 ` Andi Kleen
2012-03-30 21:03 ` David Ahern
2012-03-30 17:47 ` [PATCH 1/2] perf tools: fix build for rbtree.c change Josh Boyer
2012-03-30 20:58 ` Arnaldo Carvalho de Melo
2 siblings, 1 reply; 6+ messages in thread
From: Andi Kleen @ 2012-03-30 17:38 UTC (permalink / raw)
To: acme; +Cc: linux-kernel, Andi Kleen
From: Andi Kleen <ak@linux.intel.com>
perf record checks for buffer overflow, but checked for the wrong
size for callchains. callchains are 8 bytes each, not 1.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
---
tools/perf/util/evsel.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index f421f7c..90c0756 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -550,7 +550,7 @@ int perf_event__parse_sample(const union perf_event *event, u64 type,
data->callchain = (struct ip_callchain *)array;
- if (sample_overlap(event, array, data->callchain->nr))
+ if (sample_overlap(event, array, (1 + data->callchain->nr) * 8))
return -EFAULT;
array += 1 + data->callchain->nr;
--
1.7.7.6
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH 2/2] perf tools: Fix record sample overlap check for callchains
2012-03-30 17:38 ` [PATCH 2/2] perf tools: Fix record sample overlap check for callchains Andi Kleen
@ 2012-03-30 21:03 ` David Ahern
0 siblings, 0 replies; 6+ messages in thread
From: David Ahern @ 2012-03-30 21:03 UTC (permalink / raw)
To: Andi Kleen; +Cc: acme, linux-kernel, Andi Kleen
On 3/30/12 11:38 AM, Andi Kleen wrote:
> From: Andi Kleen<ak@linux.intel.com>
>
> perf record checks for buffer overflow, but checked for the wrong
> size for callchains. callchains are 8 bytes each, not 1.
>
> Signed-off-by: Andi Kleen<ak@linux.intel.com>
> ---
> tools/perf/util/evsel.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
> index f421f7c..90c0756 100644
> --- a/tools/perf/util/evsel.c
> +++ b/tools/perf/util/evsel.c
> @@ -550,7 +550,7 @@ int perf_event__parse_sample(const union perf_event *event, u64 type,
>
> data->callchain = (struct ip_callchain *)array;
>
> - if (sample_overlap(event, array, data->callchain->nr))
> + if (sample_overlap(event, array, (1 + data->callchain->nr) * 8))
sizeof(u64) rather than the magic 8?
David
> return -EFAULT;
>
> array += 1 + data->callchain->nr;
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 1/2] perf tools: fix build for rbtree.c change
2012-03-30 17:38 [PATCH 1/2] perf tools: fix build for rbtree.c change Andi Kleen
2012-03-30 17:38 ` [PATCH 2/2] perf tools: Fix record sample overlap check for callchains Andi Kleen
@ 2012-03-30 17:47 ` Josh Boyer
2012-03-30 22:00 ` Arnaldo Carvalho de Melo
2012-03-30 20:58 ` Arnaldo Carvalho de Melo
2 siblings, 1 reply; 6+ messages in thread
From: Josh Boyer @ 2012-03-30 17:47 UTC (permalink / raw)
To: Andi Kleen; +Cc: acme, linux-kernel, Andi Kleen, Ingo Molnar
On Fri, Mar 30, 2012 at 1:38 PM, Andi Kleen <andi@firstfloor.org> wrote:
> From: Andi Kleen <ak@linux.intel.com>
>
> rbtree.c in the main tree now includes linux/export.h, so this file
> needs a stub too. This makes perf build again in mainline.
>
> Signed-off-by: Andi Kleen <ak@linux.intel.com>
http://git.kernel.org/?p=linux/kernel/git/tip/tip.git;a=commit;h=2c86bf172e550b4bf089ac7f0de3f6370e243842
Apparently 'perf-urgent-for-linus' isn't as urgent as it sounds?
josh
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 1/2] perf tools: fix build for rbtree.c change
2012-03-30 17:47 ` [PATCH 1/2] perf tools: fix build for rbtree.c change Josh Boyer
@ 2012-03-30 22:00 ` Arnaldo Carvalho de Melo
0 siblings, 0 replies; 6+ messages in thread
From: Arnaldo Carvalho de Melo @ 2012-03-30 22:00 UTC (permalink / raw)
To: Josh Boyer; +Cc: Andi Kleen, linux-kernel, Andi Kleen, Ingo Molnar
Em Fri, Mar 30, 2012 at 01:47:53PM -0400, Josh Boyer escreveu:
> On Fri, Mar 30, 2012 at 1:38 PM, Andi Kleen <andi@firstfloor.org> wrote:
> > From: Andi Kleen <ak@linux.intel.com>
> >
> > rbtree.c in the main tree now includes linux/export.h, so this file
> > needs a stub too. This makes perf build again in mainline.
> >
> > Signed-off-by: Andi Kleen <ak@linux.intel.com>
>
> http://git.kernel.org/?p=linux/kernel/git/tip/tip.git;a=commit;h=2c86bf172e550b4bf089ac7f0de3f6370e243842
>
> Apparently 'perf-urgent-for-linus' isn't as urgent as it sounds?
There was a delay due to a resolution on getting rid of pre-generated
bison/flex files, but Ingo should expedite that pull request RSN.
- Arnaldo
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 1/2] perf tools: fix build for rbtree.c change
2012-03-30 17:38 [PATCH 1/2] perf tools: fix build for rbtree.c change Andi Kleen
2012-03-30 17:38 ` [PATCH 2/2] perf tools: Fix record sample overlap check for callchains Andi Kleen
2012-03-30 17:47 ` [PATCH 1/2] perf tools: fix build for rbtree.c change Josh Boyer
@ 2012-03-30 20:58 ` Arnaldo Carvalho de Melo
2 siblings, 0 replies; 6+ messages in thread
From: Arnaldo Carvalho de Melo @ 2012-03-30 20:58 UTC (permalink / raw)
To: Andi Kleen; +Cc: linux-kernel, Andi Kleen
Em Fri, Mar 30, 2012 at 10:38:33AM -0700, Andi Kleen escreveu:
> From: Andi Kleen <ak@linux.intel.com>
>
> rbtree.c in the main tree now includes linux/export.h, so this file
> needs a stub too. This makes perf build again in mainline.
Thank you, this one got fixed already.
> Signed-off-by: Andi Kleen <ak@linux.intel.com>
> ---
> tools/perf/util/include/linux/export.h | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
> create mode 100644 tools/perf/util/include/linux/export.h
>
> diff --git a/tools/perf/util/include/linux/export.h b/tools/perf/util/include/linux/export.h
> new file mode 100644
> index 0000000..493b181
> --- /dev/null
> +++ b/tools/perf/util/include/linux/export.h
> @@ -0,0 +1 @@
> +#include <linux/module.h>
> --
> 1.7.7.6
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2012-03-30 22:00 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2012-03-30 17:38 [PATCH 1/2] perf tools: fix build for rbtree.c change Andi Kleen
2012-03-30 17:38 ` [PATCH 2/2] perf tools: Fix record sample overlap check for callchains Andi Kleen
2012-03-30 21:03 ` David Ahern
2012-03-30 17:47 ` [PATCH 1/2] perf tools: fix build for rbtree.c change Josh Boyer
2012-03-30 22:00 ` Arnaldo Carvalho de Melo
2012-03-30 20:58 ` Arnaldo Carvalho de Melo
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.