aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/kernel/fpu
diff options
context:
space:
mode:
authorIngo Molnar2015-04-29 20:35:33 +0200
committerIngo Molnar2015-05-19 15:48:04 +0200
commit04c8e01d50ae1f2b33a46459e8b1e776b747e97d (patch)
treed70f20fca8637d309c323959af039a60f8ab23d5 /arch/x86/kernel/fpu
parent6ffc152e4606c7f9149940d36a83e786f7f0a4f9 (diff)
x86/fpu: Move fpu__clear() to 'struct fpu *' parameter passing
Do it like all other high level FPU state handling functions: they only know about struct fpu, not about the task. (Also remove a dead prototype while at it.) Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/fpu')
-rw-r--r--arch/x86/kernel/fpu/core.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index acca83be23f0..0ccdd8348872 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -390,11 +390,9 @@ void fpu__reset(struct fpu *fpu)
* Called by sys_execve() to clear the FPU fpregs, so that FPU state
* of the previous binary does not leak over into the exec()ed binary:
*/
-void fpu__clear(struct task_struct *tsk)
+void fpu__clear(struct fpu *fpu)
{
- struct fpu *fpu = &tsk->thread.fpu;
-
- WARN_ON_ONCE(tsk != current); /* Almost certainly an anomaly */
+ WARN_ON_ONCE(fpu != &current->thread.fpu); /* Almost certainly an anomaly */
if (!use_eager_fpu()) {
/* FPU state will be reallocated lazily at the first use. */