Linus please apply. Almost by definition this patch can't make things worse.
We handle a broken tsc these days, so no need to panic. We clear the TSC bit
when tsc_init decides it's unreliable (eg. under lguest w/ bad host TSC),
leading to bogus panic.
Signed-off-by: Rusty Russell <[EMAIL PROTECTED]>
diff -r 5e0a39f4d07b arch/x86/kernel/cpu/bugs.c
--- a/arch/x86/kernel/cpu/bugs.c Sun Apr 06 13:40:39 2008 +1000
+++ b/arch/x86/kernel/cpu/bugs.c Sun Apr 06 17:14:12 2008 +1000
@@ -143,14 +143,6 @@ static void __init check_config(void)
#endif
/*
- * If we configured ourselves for a TSC, we'd better have one!
- */
-#ifdef CONFIG_X86_TSC
- if (!cpu_has_tsc)
- panic("Kernel compiled for Pentium+, requires TSC feature!");
-#endif
-
-/*
* If we were told we had a good local APIC, check for buggy Pentia,
* i.e. all B steppings and the C2 stepping of P54C when using their
* integrated APIC (see 11AP erratum in "Pentium Processor
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