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authorDavid S. Miller <davem@davemloft.net>2011-10-07 13:38:43 -0400
committerDavid S. Miller <davem@davemloft.net>2011-10-07 13:38:43 -0400
commit88c5100c28b02c4b2b2c6f6fafbbd76d90f698b9 (patch)
tree08c4399e0341f7eb0ccb24e15f2cab687275c2a4 /Documentation/hwmon/coretemp
parent8083f0fc969d9b5353061a7a6f963405057e26b1 (diff)
parent3ee72ca99288f1de95ec9c570e43f531c8799f06 (diff)
Merge branch 'master' of github.com:davem330/net
Conflicts: net/batman-adv/soft-interface.c
Diffstat (limited to 'Documentation/hwmon/coretemp')
-rw-r--r--Documentation/hwmon/coretemp14
1 files changed, 4 insertions, 10 deletions
diff --git a/Documentation/hwmon/coretemp b/Documentation/hwmon/coretemp
index fa8776ab9b1..84d46c0c71a 100644
--- a/Documentation/hwmon/coretemp
+++ b/Documentation/hwmon/coretemp
@@ -35,13 +35,6 @@ the Out-Of-Spec bit. Following table summarizes the exported sysfs files:
35All Sysfs entries are named with their core_id (represented here by 'X'). 35All Sysfs entries are named with their core_id (represented here by 'X').
36tempX_input - Core temperature (in millidegrees Celsius). 36tempX_input - Core temperature (in millidegrees Celsius).
37tempX_max - All cooling devices should be turned on (on Core2). 37tempX_max - All cooling devices should be turned on (on Core2).
38 Initialized with IA32_THERM_INTERRUPT. When the CPU
39 temperature reaches this temperature, an interrupt is
40 generated and tempX_max_alarm is set.
41tempX_max_hyst - If the CPU temperature falls below than temperature,
42 an interrupt is generated and tempX_max_alarm is reset.
43tempX_max_alarm - Set if the temperature reaches or exceeds tempX_max.
44 Reset if the temperature drops to or below tempX_max_hyst.
45tempX_crit - Maximum junction temperature (in millidegrees Celsius). 38tempX_crit - Maximum junction temperature (in millidegrees Celsius).
46tempX_crit_alarm - Set when Out-of-spec bit is set, never clears. 39tempX_crit_alarm - Set when Out-of-spec bit is set, never clears.
47 Correct CPU operation is no longer guaranteed. 40 Correct CPU operation is no longer guaranteed.
@@ -49,9 +42,10 @@ tempX_label - Contains string "Core X", where X is processor
49 number. For Package temp, this will be "Physical id Y", 42 number. For Package temp, this will be "Physical id Y",
50 where Y is the package number. 43 where Y is the package number.
51 44
52The TjMax temperature is set to 85 degrees C if undocumented model specific 45On CPU models which support it, TjMax is read from a model-specific register.
53register (UMSR) 0xee has bit 30 set. If not the TjMax is 100 degrees C as 46On other models, it is set to an arbitrary value based on weak heuristics.
54(sometimes) documented in processor datasheet. 47If these heuristics don't work for you, you can pass the correct TjMax value
48as a module parameter (tjmax).
55 49
56Appendix A. Known TjMax lists (TBD): 50Appendix A. Known TjMax lists (TBD):
57Some information comes from ark.intel.com 51Some information comes from ark.intel.com