linux-kernel - [tip:x86/nuke386] x86, 386 removal: Document Nx586 as a 386 and thus unsupported

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Message-ID: <tip-11af32b69ef7ee64c7d8848cad71a6f3749d9e37@git.kernel.org>
Date:	Fri, 30 Nov 2012 16:42:58 -0800
From:	"tip-bot for H. Peter Anvin" <hpa@...ux.intel.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	tglx@...utronix.de, alan@...rguk.ukuu.org.uk, hpa@...ux.intel.com
Subject: [tip:x86/nuke386] x86, 386 removal:
  Document Nx586 as a 386 and thus unsupported

Commit-ID:  11af32b69ef7ee64c7d8848cad71a6f3749d9e37
Gitweb:     http://git.kernel.org/tip/11af32b69ef7ee64c7d8848cad71a6f3749d9e37
Author:     H. Peter Anvin <hpa@...ux.intel.com>
AuthorDate: Thu, 29 Nov 2012 13:28:39 -0800
Committer:  H. Peter Anvin <hpa@...ux.intel.com>
CommitDate: Thu, 29 Nov 2012 13:28:39 -0800

x86, 386 removal: Document Nx586 as a 386 and thus unsupported

Per Alan Cox, Nx586 did not support WP in supervisor mode, making it a
386 by Linux kernel standards.  As such, it is too unsupported now.

Reported-by: Alan Cox <alan@...rguk.ukuu.org.uk>
Link: http://lkml.kernel.org/r/20121128205203.05868eab@pyramind.ukuu.org.uk
Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
---
 arch/x86/Kconfig.cpu | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 423db71..c026cca 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -15,7 +15,7 @@ config M486
 
 	  Note that the 386 is no longer supported, this includes
 	  AMD/Cyrix/Intel 386DX/DXL/SL/SLC/SX, Cyrix/TI 486DLC/DLC2,
-	  and UMC 486SX-S.
+	  UMC 486SX-S and the NexGen Nx586.
 
 	  The kernel will not necessarily run on earlier architectures than
 	  the one you have chosen, e.g. a Pentium optimized kernel will run on
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