linux-kernel - [PATCH] i386: tighten dependencies of CPU_SUP_*

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Message-Id: <4DB84999020000780003E666@vpn.id2.novell.com>
Date:	Wed, 27 Apr 2011 15:51:37 +0100
From:	"Jan Beulich" <JBeulich@...ell.com>
To:	<mingo@...e.hu>, <tglx@...utronix.de>, <hpa@...or.com>
Cc:	<linux-kernel@...r.kernel.org>
Subject: [PATCH] i386: tighten dependencies of CPU_SUP_*_32

Building in support for any of these CPUs is pointless when e.g. M686
was selected (as such a kernel would use cmov instructions, which
aren't available on these older CPUs).

Signed-off-by: Jan Beulich <jbeulich@...ell.com>

---
 arch/x86/Kconfig.cpu |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- 2.6.39-rc5/arch/x86/Kconfig.cpu
+++ 2.6.39-rc5-i386-cpu-sup-dependencies/arch/x86/Kconfig.cpu
@@ -440,7 +440,7 @@ config CPU_SUP_INTEL
 config CPU_SUP_CYRIX_32
 	default y
 	bool "Support Cyrix processors" if PROCESSOR_SELECT
-	depends on !64BIT
+	depends on M386 || M486 || M586 || M586TSC || M586MMX || (EXPERT && !64BIT)
 	---help---
 	  This enables detection, tunings and quirks for Cyrix processors
 
@@ -480,7 +480,7 @@ config CPU_SUP_CENTAUR
 config CPU_SUP_TRANSMETA_32
 	default y
 	bool "Support Transmeta processors" if PROCESSOR_SELECT
-	depends on !64BIT
+	depends on M386 || M486 || M586 || M586TSC || (EXPERT && !64BIT)
 	---help---
 	  This enables detection, tunings and quirks for Transmeta processors
 
@@ -494,7 +494,7 @@ config CPU_SUP_TRANSMETA_32
 config CPU_SUP_UMC_32
 	default y
 	bool "Support UMC processors" if PROCESSOR_SELECT
-	depends on !64BIT
+	depends on M386 || M486 || (EXPERT && !64BIT)
 	---help---
 	  This enables detection, tunings and quirks for UMC processors
 



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