x86/Kconfig: Add cmpxchg8b support back to Geode CPUs

commit 6ac43f2be982ea54b75206dccd33f4cf81bfdc39 upstream.

An older cleanup of mine inadvertently removed geode-gx1 and geode-lx
from the list of CPUs that are known to support a working cmpxchg8b.

Fixes: 88a2b4edda3d ("x86/Kconfig: Rework CONFIG_X86_PAE dependency")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20250226213714.4040853-2-arnd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 2a7279d80460a8adf0218a954646d9d8343ddf3e..42e6a40876ea4c77d8532f4344f97535bcb3b8c9 100644 (file)
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -368,7 +368,7 @@ config X86_HAVE_PAE
 
 config X86_CMPXCHG64
        def_bool y
-       depends on X86_HAVE_PAE || M586TSC || M586MMX || MK6 || MK7
+       depends on X86_HAVE_PAE || M586TSC || M586MMX || MK6 || MK7 || MGEODEGX1 || MGEODE_LX
 
 # this should be set for all -march=.. options where the compiler
 # generates cmov.