diff options
Diffstat (limited to 'Documentation/x86')
| -rw-r--r-- | Documentation/x86/x86_64/kernel-stacks | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/x86/x86_64/kernel-stacks b/Documentation/x86/x86_64/kernel-stacks index 5ad65d51fb95..a01eec5d1d0b 100644 --- a/Documentation/x86/x86_64/kernel-stacks +++ b/Documentation/x86/x86_64/kernel-stacks | |||
| @@ -18,9 +18,9 @@ specialized stacks contain no useful data. The main CPU stacks are: | |||
| 18 | Used for external hardware interrupts. If this is the first external | 18 | Used for external hardware interrupts. If this is the first external |
| 19 | hardware interrupt (i.e. not a nested hardware interrupt) then the | 19 | hardware interrupt (i.e. not a nested hardware interrupt) then the |
| 20 | kernel switches from the current task to the interrupt stack. Like | 20 | kernel switches from the current task to the interrupt stack. Like |
| 21 | the split thread and interrupt stacks on i386 (with CONFIG_4KSTACKS), | 21 | the split thread and interrupt stacks on i386, this gives more room |
| 22 | this gives more room for kernel interrupt processing without having | 22 | for kernel interrupt processing without having to increase the size |
| 23 | to increase the size of every per thread stack. | 23 | of every per thread stack. |
| 24 | 24 | ||
| 25 | The interrupt stack is also used when processing a softirq. | 25 | The interrupt stack is also used when processing a softirq. |
| 26 | 26 | ||