What happened to Cyrix 6x86 support in 2.6?

From: Gregor Jasny
Date: Sat May 21 2005 - 09:27:22 EST


Hi,

I have an old machine with a Cyrix 6x86 processor. When running Linux 2.4 it is recognized as a Cyrix and MTRR is enabled:

kernel: Linux version 2.4.22 (root@Rincewind) (gcc version 2.95.4 20011002 (Debian prerelease)) #2 Fri Nov 28 15:43:13 CET 2003
...
kernel: Enabling CPUID on Cyrix processor.
kernel: CPU: After generic, caps: 00000105 00000000 00000000 00000004
kernel: CPU: Common caps: 00000105 00000000 00000000 00000004
kernel: CPU: Cyrix 6x86L 2x Core/Bus Clock stepping 02

But when I boot a Linux 2.6 kernel with CONFIG_M586=y it recognizes only a 486.

Can somebody explain this behavior? Was support for Cyrix 6x86 dropped?

Cheers,
Gregor
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