diff options
| author | Borislav Petkov <[email protected]> | 2015-05-26 10:28:19 +0200 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2015-05-27 14:39:46 +0200 |
| commit | d724a9a52b0026ac6a05440c079c9a618acfd8cf (patch) | |
| tree | bdc0664be6b4c680648636982a5bba69e06790dc | |
| parent | 54fd15780526c47fa29a85b066cf69996be59a59 (diff) | |
x86/Documentation: Remove STACKFAULT_STACK bulletpoint
Update the documentation after
6f442be2fb22 ("x86_64, traps: Stop using IST for #SS").
Signed-off-by: Borislav Petkov <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Josh Poimboeuf <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Michal Marek <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | Documentation/x86/kernel-stacks | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/Documentation/x86/kernel-stacks b/Documentation/x86/kernel-stacks index e3c8a49d1a2f..c3c935b9d56e 100644 --- a/Documentation/x86/kernel-stacks +++ b/Documentation/x86/kernel-stacks @@ -1,3 +1,6 @@ +Kernel stacks on x86-64 bit +--------------------------- + Most of the text from Keith Owens, hacked by AK x86_64 page size (PAGE_SIZE) is 4K. @@ -56,13 +59,6 @@ If that assumption is ever broken then the stacks will become corrupt. The currently assigned IST stacks are :- -* STACKFAULT_STACK. EXCEPTION_STKSZ (PAGE_SIZE). - - Used for interrupt 12 - Stack Fault Exception (#SS). - - This allows the CPU to recover from invalid stack segments. Rarely - happens. - * DOUBLEFAULT_STACK. EXCEPTION_STKSZ (PAGE_SIZE). Used for interrupt 8 - Double Fault Exception (#DF). |