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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Zhang Rui <rui.zhang@intel.com>,
	Guenter Roeck <linux@roeck-us.net>,
	Sasha Levin <sashal@kernel.org>,
	fenghua.yu@intel.com, jdelvare@suse.com,
	linux-hwmon@vger.kernel.org
Subject: [PATCH AUTOSEL 5.10 3/6] hwmon: (coretemp) Enlarge per package core count limit
Date: Mon, 12 Feb 2024 19:24:05 -0500	[thread overview]
Message-ID: <20240213002409.673084-3-sashal@kernel.org> (raw)
In-Reply-To: <20240213002409.673084-1-sashal@kernel.org>

From: Zhang Rui <rui.zhang@intel.com>

[ Upstream commit 34cf8c657cf0365791cdc658ddbca9cc907726ce ]

Currently, coretemp driver supports only 128 cores per package.
This loses some core temperature information on systems that have more
than 128 cores per package.
 [   58.685033] coretemp coretemp.0: Adding Core 128 failed
 [   58.692009] coretemp coretemp.0: Adding Core 129 failed
 ...

Enlarge the limitation to 512 because there are platforms with more than
256 cores per package.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Link: https://lore.kernel.org/r/20240202092144.71180-4-rui.zhang@intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/hwmon/coretemp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 5b2057ce5a59..23b1c4c0452c 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -40,7 +40,7 @@ MODULE_PARM_DESC(tjmax, "TjMax value in degrees Celsius");
 
 #define PKG_SYSFS_ATTR_NO	1	/* Sysfs attribute for package temp */
 #define BASE_SYSFS_ATTR_NO	2	/* Sysfs Base attr no for coretemp */
-#define NUM_REAL_CORES		128	/* Number of Real cores per cpu */
+#define NUM_REAL_CORES		512	/* Number of Real cores per cpu */
 #define CORETEMP_NAME_LENGTH	28	/* String Length of attrs */
 #define MAX_CORE_ATTRS		4	/* Maximum no of basic attrs */
 #define TOTAL_ATTRS		(MAX_CORE_ATTRS + 1)
-- 
2.43.0


  parent reply	other threads:[~2024-02-13  0:24 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-13  0:24 [PATCH AUTOSEL 5.10 1/6] efi: runtime: Fix potential overflow of soft-reserved region size Sasha Levin
2024-02-13  0:24 ` [PATCH AUTOSEL 5.10 2/6] efi: Don't add memblocks for soft-reserved memory Sasha Levin
2024-02-13  0:24 ` Sasha Levin [this message]
2024-02-13  0:24 ` [PATCH AUTOSEL 5.10 4/6] scsi: lpfc: Use unsigned type for num_sge Sasha Levin
2024-02-13  0:24 ` [PATCH AUTOSEL 5.10 5/6] firewire: core: send bus reset promptly on gap count error Sasha Levin
2024-02-13  0:24 ` [PATCH AUTOSEL 5.10 6/6] virtio-blk: Ensure no requests in virtqueues before deleting vqs Sasha Levin

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