From: Robert Richter <robert.richter@amd.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: LKML <linux-kernel@vger.kernel.org>,
oprofile-list <oprofile-list@lists.sourceforge.net>,
Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>,
Robert Richter <robert.richter@amd.com>
Subject: [PATCH] oprofile/x86: fix crash when profiling more than 28 events
Date: Mon, 25 Jan 2010 19:26:44 +0100 [thread overview]
Message-ID: <1264444004-4769-1-git-send-email-robert.richter@amd.com> (raw)
From: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
With multiplexing enabled oprofile crashs when profiling more than 28
events. This patch fixes this.
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
---
arch/x86/oprofile/nmi_int.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index cb88b1a..76d4f56 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -222,7 +222,7 @@ static void nmi_cpu_switch(void *dummy)
/* move to next set */
si += model->num_counters;
- if ((si > model->num_virt_counters) || (counter_config[si].count == 0))
+ if ((si >= model->num_virt_counters) || (counter_config[si].count == 0))
per_cpu(switch_index, cpu) = 0;
else
per_cpu(switch_index, cpu) = si;
--
1.6.6
reply other threads:[~2010-01-25 19:22 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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=1264444004-4769-1-git-send-email-robert.richter@amd.com \
--to=robert.richter@amd.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=oprofile-list@lists.sourceforge.net \
--cc=suravee.suthikulpanit@amd.com \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®