[patch 01/31] x86/fpu: Remove pointless argument from switch_fpu_finish()

Thomas Gleixner
2021-10-12T00:11:18Z

Unused since the FPU switching rework.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/include/asm/fpu/internal.h | 2 +-
arch/x86/kernel/process_32.c | 3 +--
arch/x86/kernel/process_64.c | 3 +--
3 files changed, 3 insertions(+), 5 deletions(-)

--- 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(st
* 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);
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -160,7 +160,6 @@ EXPORT_SYMBOL_GPL(start_thread);
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 @@ EXPORT_SYMBOL_GPL(start_thread);

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();
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -559,7 +559,6 @@ void compat_start_thread(struct pt_regs
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 @@ void compat_start_thread(struct pt_regs
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);