Migrate this function to pure 'struct fpu' usage.

Reviewed-by: Borislav Petkov <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Fenghua Yu <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
---
 arch/x86/include/asm/fpu-internal.h | 6 +++---
 arch/x86/kernel/fpu/core.c          | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/fpu-internal.h 
b/arch/x86/include/asm/fpu-internal.h
index cf0d4124fb3d..b1803a656651 100644
--- a/arch/x86/include/asm/fpu-internal.h
+++ b/arch/x86/include/asm/fpu-internal.h
@@ -344,9 +344,9 @@ static inline void __thread_set_has_fpu(struct fpu *fpu)
  * These generally need preemption protection to work,
  * do try to avoid using these on their own.
  */
-static inline void __thread_fpu_end(struct task_struct *tsk)
+static inline void __thread_fpu_end(struct fpu *fpu)
 {
-       __thread_clear_has_fpu(&tsk->thread.fpu);
+       __thread_clear_has_fpu(fpu);
        if (!use_eager_fpu())
                stts();
 }
@@ -372,7 +372,7 @@ static inline void drop_fpu(struct task_struct *tsk)
                asm volatile("1: fwait\n"
                             "2:\n"
                             _ASM_EXTABLE(1b, 2b));
-               __thread_fpu_end(tsk);
+               __thread_fpu_end(fpu);
        }
 
        clear_stopped_child_used_math(tsk);
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index 172315e29c25..96d175101cd8 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -143,7 +143,7 @@ void fpu__save(struct task_struct *tsk)
                        __save_fpu(tsk);
                } else {
                        fpu_save_init(fpu);
-                       __thread_fpu_end(tsk);
+                       __thread_fpu_end(fpu);
                }
        }
        preempt_enable();
-- 
2.1.0

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