Re: [PATCH] setup.c notsc Re: Microsecond accuracy

2000-12-13 Thread H. Peter Anvin
> > The present situation is inconsistent: "notsc" removes cpuinfo's > "tsc" flag in the UP case (when cpu_data[0] is boot_cpu_data), but > not in the SMP case. I don't believe HPA's recent mods affected that > behaviour, but it is made consistent (cleared in SMP case too) by the > patch I sent

Re: [PATCH] setup.c notsc Re: Microsecond accuracy

2000-12-13 Thread H. Peter Anvin
The present situation is inconsistent: "notsc" removes cpuinfo's "tsc" flag in the UP case (when cpu_data[0] is boot_cpu_data), but not in the SMP case. I don't believe HPA's recent mods affected that behaviour, but it is made consistent (cleared in SMP case too) by the patch I sent him a

Re: [PATCH] setup.c notsc Re: Microsecond accuracy

2000-12-07 Thread Maciej W. Rozycki
On Thu, 7 Dec 2000, Hugh Dickins wrote: > The present situation is inconsistent: "notsc" removes cpuinfo's > "tsc" flag in the UP case (when cpu_data[0] is boot_cpu_data), but > not in the SMP case. I don't believe HPA's recent mods affected that > behaviour, but it is made consistent (cleared

[PATCH] setup.c notsc Re: Microsecond accuracy

2000-12-07 Thread Hugh Dickins
On Thu, 7 Dec 2000, Maciej W. Rozycki wrote: > On 7 Dec 2000, H. Peter Anvin wrote: > > > Unfortunately the most important instance of the in-kernel flag -- the > > global one in the somewhat misnamed boot_cpu_data.x86_features -- > > isn't actually readable in the /proc/cpuinfo file. It is

[PATCH] setup.c notsc Re: Microsecond accuracy

2000-12-07 Thread Hugh Dickins
On Thu, 7 Dec 2000, Maciej W. Rozycki wrote: On 7 Dec 2000, H. Peter Anvin wrote: Unfortunately the most important instance of the in-kernel flag -- the global one in the somewhat misnamed boot_cpu_data.x86_features -- isn't actually readable in the /proc/cpuinfo file. It is perfectly

Re: [PATCH] setup.c notsc Re: Microsecond accuracy

2000-12-07 Thread Maciej W. Rozycki
On Thu, 7 Dec 2000, Hugh Dickins wrote: The present situation is inconsistent: "notsc" removes cpuinfo's "tsc" flag in the UP case (when cpu_data[0] is boot_cpu_data), but not in the SMP case. I don't believe HPA's recent mods affected that behaviour, but it is made consistent (cleared in