linux-kernel - [PATCH 2/4] x86: Fold-in trivial check

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Date:	Mon,  8 Apr 2013 17:57:44 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	X86 ML <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
	Borislav Petkov <bp@...e.de>
Subject: [PATCH 2/4] x86: Fold-in trivial check_config function

From: Borislav Petkov <bp@...e.de>

Fold it into its single call site. No functionality change.

Signed-off-by: Borislav Petkov <bp@...e.de>
---
 arch/x86/kernel/cpu/bugs.c | 27 +++++++++++----------------
 1 file changed, 11 insertions(+), 16 deletions(-)

diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index efa24c0b7c43..03445346ee0a 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -63,21 +63,6 @@ static void __init check_fpu(void)
 	}
 }
 
-/*
- * Check whether we are able to run this kernel safely on SMP.
- *
- * - i386 is no longer supported.
- * - In order to run on anything without a TSC, we need to be
- *   compiled for a i486.
- */
-
-static void __init check_config(void)
-{
-	if (boot_cpu_data.x86 < 4)
-		panic("Kernel requires i486+ for 'invlpg' and other features");
-}
-
-
 void __init check_bugs(void)
 {
 	identify_boot_cpu();
@@ -85,7 +70,17 @@ void __init check_bugs(void)
 	pr_info("CPU: ");
 	print_cpu_info(&boot_cpu_data);
 #endif
-	check_config();
+
+	/*
+	 * Check whether we are able to run this kernel safely on SMP.
+	 *
+	 * - i386 is no longer supported.
+	 * - In order to run on anything without a TSC, we need to be
+	 *   compiled for a i486.
+	 */
+	if (boot_cpu_data.x86 < 4)
+		panic("Kernel requires i486+ for 'invlpg' and other features");
+
 	init_utsname()->machine[1] =
 		'0' + (boot_cpu_data.x86 > 6 ? 6 : boot_cpu_data.x86);
 	alternative_instructions();
-- 
1.8.2.135.g7b592fa

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