diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/printk-formats.txt | 5 | ||||
| -rw-r--r-- | Documentation/sysctl/kernel.txt | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt index 230153498..cd9798fa2 100644 --- a/Documentation/printk-formats.txt +++ b/Documentation/printk-formats.txt @@ -45,6 +45,11 @@ Kernel Pointers: users. The behaviour of %pK depends on the kptr_restrict sysctl - see Documentation/sysctl/kernel.txt for more details. + %pP 0x01234567 or 0x0123456789abcdef + + For printing kernel pointers which should always be shown, even to + unprivileged users. + Struct Resources: %pr [mem 0x60000000-0x6fffffff flags 0x2200] or diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt index a8e65f559..3c28e6436 100644 --- a/Documentation/sysctl/kernel.txt +++ b/Documentation/sysctl/kernel.txt @@ -309,6 +309,9 @@ values to unprivileged users is a concern. When kptr_restrict is set to (2), kernel pointers printed using %pK will be replaced with 0's regardless of privileges. +When kptr_restrict is set to (3), kernel pointers printed using +%p and %pK will be replaced with 0's regardless of privileges. + ============================================================== kstack_depth_to_print: (X86 only) |