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Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/acpi/method-customizing.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/acpi/method-customizing.txt b/Documentation/acpi/method-customizing.txt index 3e1d25aee3fb..5f55373dd53b 100644 --- a/Documentation/acpi/method-customizing.txt +++ b/Documentation/acpi/method-customizing.txt | |||
| @@ -66,3 +66,8 @@ Note: We can use a kernel with multiple custom ACPI method running, | |||
| 66 | But each individual write to debugfs can implement a SINGLE | 66 | But each individual write to debugfs can implement a SINGLE |
| 67 | method override. i.e. if we want to insert/override multiple | 67 | method override. i.e. if we want to insert/override multiple |
| 68 | ACPI methods, we need to redo step c) ~ g) for multiple times. | 68 | ACPI methods, we need to redo step c) ~ g) for multiple times. |
| 69 | |||
| 70 | Note: Be aware that root can mis-use this driver to modify arbitrary | ||
| 71 | memory and gain additional rights, if root's privileges got | ||
| 72 | restricted (for example if root is not allowed to load additional | ||
| 73 | modules after boot). | ||