Re: [PATCH] i386/cpu: Adjust cpuid addresable id count to match the spec

2022-11-03 Thread Ilya Oleinik
I'm not aware of any bug reports. L1 cache is typically shared between logical threads, so it seemed reasonable to correct this. On Fri, Oct 28, 2022 at 9:54 AM Wang, Lei wrote: > > On 10/10/2022 10:49 AM, Ilya Oleinik wrote: > > For EBX bits 23 - 16 in CPUID[01] Intel's manual states: > > " > >

Re: [PATCH] i386/cpu: Adjust cpuid addresable id count to match the spec

2022-10-27 Thread Wang, Lei
On 10/10/2022 10:49 AM, Ilya Oleinik wrote: > For EBX bits 23 - 16 in CPUID[01] Intel's manual states: > " > * The nearest power-of-2 integer that is not smaller than EBX[23:16] > is the number of unique initial APICIDs reserved for addressing > different logical processors in a physica

[PATCH] i386/cpu: Adjust cpuid addresable id count to match the spec

2022-10-10 Thread Ilya Oleinik
For EBX bits 23 - 16 in CPUID[01] Intel's manual states: " * The nearest power-of-2 integer that is not smaller than EBX[23:16] is the number of unique initial APICIDs reserved for addressing different logical processors in a physical package. This field is only valid if CPUID.1.EDX.H