Re: [PATCH] [16/20] x86: Allow TSC clock source on AMD Fam10h and some cleanup

2008-01-04 Thread Ingo Molnar
* Andi Kleen <[EMAIL PROTECTED]> wrote: > After a lot of discussions with AMD it turns out that TSC on Fam10h > CPUs is synchronized when the CONSTANT_TSC cpuid bit is set. Or rather > that if there are ever systems where that is not true it would be > their BIOS' task to disable the bit. >

Re: [PATCH] [16/20] x86: Allow TSC clock source on AMD Fam10h and some cleanup

2008-01-04 Thread Ingo Molnar
* Andi Kleen [EMAIL PROTECTED] wrote: After a lot of discussions with AMD it turns out that TSC on Fam10h CPUs is synchronized when the CONSTANT_TSC cpuid bit is set. Or rather that if there are ever systems where that is not true it would be their BIOS' task to disable the bit. So

[PATCH] [16/20] x86: Allow TSC clock source on AMD Fam10h and some cleanup

2008-01-02 Thread Andi Kleen
After a lot of discussions with AMD it turns out that TSC on Fam10h CPUs is synchronized when the CONSTANT_TSC cpuid bit is set. Or rather that if there are ever systems where that is not true it would be their BIOS' task to disable the bit. So finally use TSC gettimeofday on Fam10h by default.

[PATCH] [16/20] x86: Allow TSC clock source on AMD Fam10h and some cleanup

2008-01-02 Thread Andi Kleen
After a lot of discussions with AMD it turns out that TSC on Fam10h CPUs is synchronized when the CONSTANT_TSC cpuid bit is set. Or rather that if there are ever systems where that is not true it would be their BIOS' task to disable the bit. So finally use TSC gettimeofday on Fam10h by default.