From: Maciej W. Rozycki <macro@xxxxxxxxxxx>
commit 0ef3439cd80ba7770723edb0470d15815914bb62 upstream.
Fix a regression caused by making the 486SX separately selectable in
Kconfig, for which the HIGHMEM64G setting has not been updated and
therefore has become exposed as a user-selectable option for the M486SX
configuration setting unlike with original M486 and all the other
settings that choose non-PAE-enabled processors:
High Memory Support
> 1. off (NOHIGHMEM)
2. 4GB (HIGHMEM4G)
3. 64GB (HIGHMEM64G)
choice[1-3?]:
With the fix in place the setting is now correctly removed:
High Memory Support
> 1. off (NOHIGHMEM)
2. 4GB (HIGHMEM4G)
choice[1-2?]:
[ bp: Massage commit message. ]
Fixes: 87d6021b8143 ("x86/math-emu: Limit MATH_EMULATION to 486SX compatibles")
Signed-off-by: Maciej W. Rozycki <macro@xxxxxxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # v5.5+
Link: https://lkml.kernel.org/r/alpine.DEB.2.21.2104141221340.44318@xxxxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/x86/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1416,7 +1416,7 @@ config HIGHMEM4G
config HIGHMEM64G
bool "64GB"
- depends on !M486 && !M586 && !M586TSC && !M586MMX && !MGEODE_LX && !MGEODEGX1 && !MCYRIXIII && !MELAN && !MWINCHIPC6 && !WINCHIP3D && !MK6
+ depends on !M486SX && !M486 && !M586 && !M586TSC && !M586MMX && !MGEODE_LX && !MGEODEGX1 && !MCYRIXIII && !MELAN && !MWINCHIPC6 && !WINCHIP3D && !MK6
select X86_PAE
help
Select this if you have a 32-bit processor and more than 4
