linux-kernel - [tip: x86/fpu] x86/fpu: Cleanup fpu__init_system_xstate_size

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Date:   Fri, 22 Oct 2021 19:56:30 -0000
From:   "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>, Borislav Petkov <bp@...e.de>,
        x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: x86/fpu] x86/fpu: Cleanup fpu__init_system_xstate_size_legacy()

The following commit has been merged into the x86/fpu branch of tip:

Commit-ID:     617473acdfe45aa9aa2be23cd5b02da7cd2717f8
Gitweb:        https://git.kernel.org/tip/617473acdfe45aa9aa2be23cd5b02da7cd2717f8
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Fri, 15 Oct 2021 01:09:31 +02:00
Committer:     Borislav Petkov <bp@...e.de>
CommitterDate: Thu, 21 Oct 2021 19:18:43 +02:00

x86/fpu: Cleanup fpu__init_system_xstate_size_legacy()

Clean the function up before making changes.

No functional change.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Borislav Petkov <bp@...e.de>
Link: https://lkml.kernel.org/r/20211014230739.184014242@linutronix.de
---
 arch/x86/kernel/fpu/init.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c
index 65d763f..c9293ad 100644
--- a/arch/x86/kernel/fpu/init.c
+++ b/arch/x86/kernel/fpu/init.c
@@ -199,17 +199,12 @@ static void __init fpu__init_system_xstate_size_legacy(void)
 	 * Note that xstate sizes might be overwritten later during
 	 * fpu__init_system_xstate().
 	 */
-
-	if (!boot_cpu_has(X86_FEATURE_FPU)) {
+	if (!cpu_feature_enabled(X86_FEATURE_FPU))
 		fpu_kernel_xstate_size = sizeof(struct swregs_state);
-	} else {
-		if (boot_cpu_has(X86_FEATURE_FXSR))
-			fpu_kernel_xstate_size =
-				sizeof(struct fxregs_state);
-		else
-			fpu_kernel_xstate_size =
-				sizeof(struct fregs_state);
-	}
+	else if (cpu_feature_enabled(X86_FEATURE_FXSR))
+		fpu_kernel_xstate_size = sizeof(struct fxregs_state);
+	else
+		fpu_kernel_xstate_size = sizeof(struct fregs_state);
 
 	fpu_user_xstate_size = fpu_kernel_xstate_size;
 	fpstate_reset(&current->thread.fpu);