Messages in this thread | | | Date | Thu, 08 Aug 2002 12:56:59 -0700 | From | george anzinger <> | Subject | Re: [TRIVIAL][PATCH] cpu_has_tsc cleanup |
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john stultz wrote: > > Marcelo, > > Here is a trivial cleanup patch that replaces: > test_bit(X86_FEATURE_TSC, &boot_cpu_data.x86_capability) > w/ the cpu_has_tsc macro. > > I believe this was originally by Brian Gerst for 2.5 > This patch has a problem in the TSC not defined case in that it access the PIT with out taking the required locks. spin_lock_irq(&i8253_lock) is used to protect the PIT...
-- George Anzinger george@mvista.com High-res-timers: http://sourceforge.net/projects/high-res-timers/ Preemption patch: http://www.kernel.org/pub/linux/kernel/people/rml - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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