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@lxorguk.ukuu.org.uk>
Link: http://lkml.kernel.org/r/20121128205203.05868eab@pyramind.ukuu.org.uk
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 423db7189eb9df149313ead0f0fad7f7028126b1..c026cca5602c6fe5c84619f0b43b2fe7c3bb2382 100644 (file)
--- 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