linux-kernel - [ 38/47] hwmon: (coretemp) Increase CPU core limit

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Message-Id: <20120504204248.134080496@linuxfoundation.org>
Date:	Fri, 04 May 2012 13:43:22 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk,
	Guenter Roeck <guenter.roeck@...csson.com>,
	Jean Delvare <khali@...ux-fr.org>,
	Durgadoss R <durgadoss.r@...el.com>
Subject: [ 38/47] hwmon: (coretemp) Increase CPU core limit

3.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Guenter Roeck <guenter.roeck@...csson.com>

commit bdc71c9a87b898e4c380c23b2e3e18071312ecde upstream.

CPU core ID is used to index the core_data[] array. The core ID is, however, not
sequential; 10-core CPUS can have a core ID as high as 25. Increase the limit to
32 to be able to deal with current CPUs.

Signed-off-by: Guenter Roeck <guenter.roeck@...csson.com>
Acked-by: Jean Delvare <khali@...ux-fr.org>
Acked-by: Durgadoss R <durgadoss.r@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/hwmon/coretemp.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -42,7 +42,7 @@
 #define DRVNAME	"coretemp"
 
 #define BASE_SYSFS_ATTR_NO	2	/* Sysfs Base attr no for coretemp */
-#define NUM_REAL_CORES		16	/* Number of Real cores per cpu */
+#define NUM_REAL_CORES		32	/* Number of Real cores per cpu */
 #define CORETEMP_NAME_LENGTH	17	/* String Length of attrs */
 #define MAX_ATTRS		5	/* Maximum no of per-core attrs */
 #define MAX_CORE_DATA		(NUM_REAL_CORES + BASE_SYSFS_ATTR_NO)


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