Re: [PATCH] [18/20] x86: Don't disable TSC in any C states on AMD Fam10h

2008-01-04 Thread Ingo Molnar
* Andi Kleen <[EMAIL PROTECTED]> wrote: > The ACPI code currently disables TSC use in any C2 and C3 states. But > the AMD Fam10h BKDG documents that the TSC will never stop in any C > states when the CONSTANT_TSC bit is set. Make this disabling > conditional on CONSTANT_TSC not set on AMD. >

Re: [PATCH] [18/20] x86: Don't disable TSC in any C states on AMD Fam10h

2008-01-04 Thread Ingo Molnar
* Andi Kleen [EMAIL PROTECTED] wrote: The ACPI code currently disables TSC use in any C2 and C3 states. But the AMD Fam10h BKDG documents that the TSC will never stop in any C states when the CONSTANT_TSC bit is set. Make this disabling conditional on CONSTANT_TSC not set on AMD. I

[PATCH] [18/20] x86: Don't disable TSC in any C states on AMD Fam10h

2008-01-02 Thread Andi Kleen
The ACPI code currently disables TSC use in any C2 and C3 states. But the AMD Fam10h BKDG documents that the TSC will never stop in any C states when the CONSTANT_TSC bit is set. Make this disabling conditional on CONSTANT_TSC not set on AMD. I actually think this is true on Intel too for C2

[PATCH] [18/20] x86: Don't disable TSC in any C states on AMD Fam10h

2008-01-02 Thread Andi Kleen
The ACPI code currently disables TSC use in any C2 and C3 states. But the AMD Fam10h BKDG documents that the TSC will never stop in any C states when the CONSTANT_TSC bit is set. Make this disabling conditional on CONSTANT_TSC not set on AMD. I actually think this is true on Intel too for C2