On Fri, Jul 17, 2015 at 10:11:28PM +0200, Thomas Gleixner wrote: > On Fri, 17 Jul 2015, Andi Kleen wrote: > > > > I believe this mask of 0x3fff17 is wrong and should instead be > > > 0x7fffff based on the description of the FRONTEND > > > MSR I see in the SDM Table 18-54 (bit 0-22 are valid). Otherwise, some > > > valid latency values may be rejected. > > > > No, my mask is correct. > > Provide a proper argument for that. Just claiming 'my mask is correct' > definitely falls not into that category.
Because I actually tested the code unlike you or Stephane. # wrmsr 0x3f7 0x3fff17 # wrmsr 0x3f7 0x7fffff wrmsr: CPU 0 cannot set MSR 0x000003f7 to 0x00000000007fffff # -Andi -- a...@linux.intel.com -- Speaking for myself only -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
