diff options
| author | Andy Lutomirski <luto@kernel.org> | 2017-11-02 00:59:16 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-11-02 11:04:48 +0100 |
| commit | d375cf1530595e33961a8844192cddab913650e3 (patch) | |
| tree | 887429bbeeef5048ed511d07a5d8078101129bec /arch/x86/include/asm/compat.h | |
| parent | cd493a6deb8b78eca280d05f7fa73fd69403ae29 (diff) | |
x86/entry/64: Remove thread_struct::sp0
On x86_64, we can easily calculate sp0 when needed instead of
storing it in thread_struct.
On x86_32, a similar cleanup would be possible, but it would require
cleaning up the vm86 code first, and that can wait for a later
cleanup series.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bpetkov@suse.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/719cd9c66c548c4350d98a90f050aee8b17f8919.1509609304.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/compat.h')
| -rw-r--r-- | arch/x86/include/asm/compat.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h index 5343c19814b3..948b6d8ec46f 100644 --- a/arch/x86/include/asm/compat.h +++ b/arch/x86/include/asm/compat.h @@ -6,6 +6,7 @@ */ #include <linux/types.h> #include <linux/sched.h> +#include <linux/sched/task_stack.h> #include <asm/processor.h> #include <asm/user32.h> #include <asm/unistd.h> |