patch to make 2.4.32 work on i486 again
- From: Jacek Lipkowski <sq5bpf@xxxxxxxxxxxxxxxxx>
- Date: Tue, 31 Jan 2006 23:29:05 +0100 (CET)
Booting the 2.4.32 kernel compiled for a i486 on an i486 box fails,
because "Kernel compiled for Pentium+, requires TSC feature!" (printed
from check_config() include/asm-i386/bugs.h). To reproduce, select 486 in
the kernel configuration and grep CONFIG_X86_TSC .config
Seems strange that no one noticed this, am i the only one still using 486
boxes? :)
Jacek
Simple patch against vanilla 2.4.32:
--- arch/i386/config.in.old 2006-01-30 22:57:21.000000000 +0100
+++ arch/i386/config.in 2006-01-30 23:00:55.000000000 +0100
@@ -65,6 +65,7 @@
define_bool CONFIG_X86_POPAD_OK y
define_bool CONFIG_RWSEM_GENERIC_SPINLOCK n
define_bool CONFIG_RWSEM_XCHGADD_ALGORITHM y
+ define_bool CONFIG_X86_TSC n
fi
if [ "$CONFIG_M486" = "y" ]; then
define_int CONFIG_X86_L1_CACHE_SHIFT 4
@@ -72,6 +73,7 @@
define_bool CONFIG_X86_ALIGNMENT_16 y
define_bool CONFIG_X86_PPRO_FENCE y
define_bool CONFIG_X86_F00F_WORKS_OK n
+ define_bool CONFIG_X86_TSC n
fi
if [ "$CONFIG_M586" = "y" ]; then
define_int CONFIG_X86_L1_CACHE_SHIFT 5
-
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