x86/fpu: Remove pointless argument from switch_fpu_finish()

Unused since the FPU switching rework.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211015011538.433135710@linutronix.de

diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h
index 89960e4..1503750 100644 (file)
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -521,7 +521,7 @@ static inline void switch_fpu_prepare(struct fpu *old_fpu, int cpu)
  * Delay loading of the complete FPU state until the return to userland.
  * PKRU is handled separately.
  */
-static inline void switch_fpu_finish(struct fpu *new_fpu)
+static inline void switch_fpu_finish(void)
 {
        if (cpu_feature_enabled(X86_FEATURE_FPU))
                set_thread_flag(TIF_NEED_FPU_LOAD);

diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 4f2f54e..d008e22 100644 (file)
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -160,7 +160,6 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
        struct thread_struct *prev = &prev_p->thread,
                             *next = &next_p->thread;
        struct fpu *prev_fpu = &prev->fpu;
-       struct fpu *next_fpu = &next->fpu;
        int cpu = smp_processor_id();
 
        /* never put a printk in __switch_to... printk() calls wake_up*() indirectly */
@@ -213,7 +212,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
 
        this_cpu_write(current_task, next_p);
 
-       switch_fpu_finish(next_fpu);
+       switch_fpu_finish();
 
        /* Load the Intel cache allocation PQR MSR. */
        resctrl_sched_in();

diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index ec0d836..39f12ef 100644 (file)
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -559,7 +559,6 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
        struct thread_struct *prev = &prev_p->thread;
        struct thread_struct *next = &next_p->thread;
        struct fpu *prev_fpu = &prev->fpu;
-       struct fpu *next_fpu = &next->fpu;
        int cpu = smp_processor_id();
 
        WARN_ON_ONCE(IS_ENABLED(CONFIG_DEBUG_ENTRY) &&
@@ -620,7 +619,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
        this_cpu_write(current_task, next_p);
        this_cpu_write(cpu_current_top_of_stack, task_top_of_stack(next_p));
 
-       switch_fpu_finish(next_fpu);
+       switch_fpu_finish();
 
        /* Reload sp0. */
        update_task_stack(next_p);