linux-kernel - [tip:x86/asm] x86: Tighten dependencies of CPU_SUP_*

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Date:	Thu, 8 Mar 2012 02:17:17 -0800
From:	tip-bot for Jan Beulich <JBeulich@...e.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	jbeulich@...e.com, JBeulich@...e.com, tglx@...utronix.de,
	mingo@...e.hu
Subject: [tip:x86/asm] x86: Tighten dependencies of CPU_SUP_*_32

Commit-ID:  0d2bf4899d04fcc7f3a280b0bc74c084badb4e04
Gitweb:     http://git.kernel.org/tip/0d2bf4899d04fcc7f3a280b0bc74c084badb4e04
Author:     Jan Beulich <JBeulich@...e.com>
AuthorDate: Thu, 8 Mar 2012 09:18:02 +0000
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 8 Mar 2012 10:57:34 +0100

x86: Tighten dependencies of CPU_SUP_*_32

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

Signed-off-by: Jan Beulich <jbeulich@...e.com>
Link: http://lkml.kernel.org/r/4F58875A02000078000770E0@nat28.tlf.novell.com
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 arch/x86/Kconfig.cpu |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 6443c6f..706e12e 100644
--- a/arch/x86/Kconfig.cpu
+++ b/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
 
@@ -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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