x86/fpu: Rename initstate copy functions
authorThomas Gleixner <tglx@linutronix.de>
Wed, 23 Jun 2021 12:02:02 +0000 (14:02 +0200)
committerBorislav Petkov <bp@suse.de>
Wed, 23 Jun 2021 16:39:53 +0000 (18:39 +0200)
Again this not a copy. It's restoring register state from kernel memory.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210623121454.816581630@linutronix.de
arch/x86/kernel/fpu/core.c

index c290ba27ffef2eb2b2a522932e60034a2e2d1e33..4a59e0fbcfd8510cd16900386474561e1f10f3a8 100644 (file)
@@ -303,7 +303,7 @@ void fpu__drop(struct fpu *fpu)
  * Clear FPU registers by setting them up from the init fpstate.
  * Caller must do fpregs_[un]lock() around it.
  */
-static inline void copy_init_fpstate_to_fpregs(u64 features_mask)
+static inline void restore_fpregs_from_init_fpstate(u64 features_mask)
 {
        if (use_xsave())
                os_xrstor(&init_fpstate.xsave, features_mask);
@@ -338,9 +338,9 @@ static void fpu__clear(struct fpu *fpu, bool user_only)
                if (!fpregs_state_valid(fpu, smp_processor_id()) &&
                    xfeatures_mask_supervisor())
                        os_xrstor(&fpu->state.xsave, xfeatures_mask_supervisor());
-               copy_init_fpstate_to_fpregs(xfeatures_mask_user());
+               restore_fpregs_from_init_fpstate(xfeatures_mask_user());
        } else {
-               copy_init_fpstate_to_fpregs(xfeatures_mask_all);
+               restore_fpregs_from_init_fpstate(xfeatures_mask_all);
        }
 
        fpregs_mark_activate();