linux-kernel - [PATCH] hwmon: (lm83) convert to use maple tree register cache

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Date: Fri, 2 Feb 2024 02:18:00 -0500
From: Bo Liu <liubo03@...pur.com>
To: <jdelvare@...e.com>, <linux@...ck-us.net>
CC: <linux-hwmon@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Bo Liu
	<liubo03@...pur.com>
Subject: [PATCH] hwmon: (lm83) convert to use maple tree register cache

The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.

Signed-off-by: Bo Liu <liubo03@...pur.com>
---
 drivers/hwmon/lm83.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c
index 5befedca6abb..b333c9bde4e6 100644
--- a/drivers/hwmon/lm83.c
+++ b/drivers/hwmon/lm83.c
@@ -165,7 +165,7 @@ static bool lm83_regmap_is_volatile(struct device *dev, unsigned int reg)
 static const struct regmap_config lm83_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 	.volatile_reg = lm83_regmap_is_volatile,
 	.reg_read = lm83_regmap_reg_read,
 	.reg_write = lm83_regmap_reg_write,
-- 
2.18.2