Messages in this thread | | | Date | Mon, 9 Jun 2008 15:11:36 +0200 | From | Ingo Molnar <> | Subject | Re: [RFC PATCH] x86:Use cpu_khz for loops_per_jiffy calculation |
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* Alok Kataria <akataria@vmware.com> wrote:
> --- linux-2.6.orig/arch/x86/kernel/tsc_32.c 2008-05-27 12:28:16.000000000 -0700 > +++ linux-2.6/arch/x86/kernel/tsc_32.c 2008-06-03 17:28:46.000000000 -0700 > @@ -401,6 +401,7 @@ > void __init tsc_init(void) > { > int cpu; > + u64 lpj; > > if (!cpu_has_tsc || tsc_disabled) { > /* Disable the TSC in case of !cpu_has_tsc */ > @@ -421,6 +422,10 @@ > return; > } > > + lpj = ((u64)cpu_khz * 1000); > + do_div(lpj, HZ); > + lpj_tsc = lpj;
that wont work very well as lpj_tsc is not declared.
Ingo
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