linux-kernel - [patch V4 35/65] x86/fpu: Rename initstate copy functions

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Message-Id: <20210623121454.816581630@linutronix.de>
Date:   Wed, 23 Jun 2021 14:02:02 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Tony Luck <tony.luck@...el.com>,
        Yu-cheng Yu <yu-cheng.yu@...el.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Borislav Petkov <bp@...e.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Kan Liang <kan.liang@...ux.intel.com>,
        "Chang Seok Bae" <chang.seok.bae@...el.com>,
        Megha Dey <megha.dey@...ux.intel.com>,
        Oliver Sang <oliver.sang@...el.com>
Subject: [patch V4 35/65] x86/fpu: Rename initstate copy functions

Again this not a copy. It's restoring register state from kernel memory.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 arch/x86/kernel/fpu/core.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -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,
 		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();