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| author | Rusty Russell <rusty@rustcorp.com.au> | 2008-04-06 17:23:38 +1000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-06 16:10:40 -0700 |
| commit | 64ba4f230d30b089bc89db2e59d02c1efa5ac769 (patch) | |
| tree | 71cd66ab95e1ba7e43800e79433c7177e0864cc1 /arch | |
| parent | 3bf48468fe84468a148e4f19465e0a725c0f977b (diff) | |
| download | lwn-64ba4f230d30b089bc89db2e59d02c1efa5ac769.tar.gz lwn-64ba4f230d30b089bc89db2e59d02c1efa5ac769.zip | |
Fix booting pentium+ with dodgy TSC
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 <rusty@rustcorp.com.au>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/cpu/bugs.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 027e5c003b16..170d2f5523b2 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -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 |