Hi Babu,
On Wed, Aug 23, 2023 at 12:18:30PM -0500, Moger, Babu wrote:
> Date: Wed, 23 Aug 2023 12:18:30 -0500
> From: "Moger, Babu"
> Subject: Re: [PATCH v3 14/17] i386: Use CPUCacheInfo.share_level to encode
> CPUID[4]
>
> Hi Zhao,
>
> On 8/18/23
Hi Zhao,
On 8/18/23 02:37, Zhao Liu wrote:
> Hi Babu,
>
> On Mon, Aug 14, 2023 at 11:03:53AM -0500, Moger, Babu wrote:
>> Date: Mon, 14 Aug 2023 11:03:53 -0500
>> From: "Moger, Babu"
>> Subject: Re: [PATCH v3 14/17] i386: Use CPUCacheInfo.share_level
Hi Babu,
On Mon, Aug 14, 2023 at 11:03:53AM -0500, Moger, Babu wrote:
> Date: Mon, 14 Aug 2023 11:03:53 -0500
> From: "Moger, Babu"
> Subject: Re: [PATCH v3 14/17] i386: Use CPUCacheInfo.share_level to encode
> CPUID[4]
>
> Hi Zhao,
>
>
> On 8/14/
Hi Zhao,
On 8/14/23 03:22, Zhao Liu wrote:
> Hi Babu,
>
> On Fri, Aug 04, 2023 at 10:48:29AM -0500, Moger, Babu wrote:
>> Date: Fri, 4 Aug 2023 10:48:29 -0500
>> From: "Moger, Babu"
>> Subject: Re: [PATCH v3 14/17] i386: Use CPUCacheInfo.share_level
Hi Babu,
On Fri, Aug 04, 2023 at 10:48:29AM -0500, Moger, Babu wrote:
> Date: Fri, 4 Aug 2023 10:48:29 -0500
> From: "Moger, Babu"
> Subject: Re: [PATCH v3 14/17] i386: Use CPUCacheInfo.share_level to encode
> CPUID[4]
>
> Hi Zhao,
>
> On 8/4/23
Hi Zhao,
On 8/4/23 04:48, Zhao Liu wrote:
> Hi Babu,
>
> On Thu, Aug 03, 2023 at 11:41:40AM -0500, Moger, Babu wrote:
>> Date: Thu, 3 Aug 2023 11:41:40 -0500
>> From: "Moger, Babu"
>> Subject: Re: [PATCH v3 14/17] i386: Use CPUCacheInfo.share_level
Hi Babu,
On Thu, Aug 03, 2023 at 11:41:40AM -0500, Moger, Babu wrote:
> Date: Thu, 3 Aug 2023 11:41:40 -0500
> From: "Moger, Babu"
> Subject: Re: [PATCH v3 14/17] i386: Use CPUCacheInfo.share_level to encode
> CPUID[4]
>
> Hi Zhao,
>
> On 8/2/23 18:
Hi Zhao,
On 8/2/23 18:49, Moger, Babu wrote:
> Hi Zhao,
>
> Hitting this error after this patch.
>
> ERROR:../target/i386/cpu.c:257:max_processor_ids_for_cache: code should
> not be reached
> Bail out! ERROR:../target/i386/cpu.c:257:max_processor_ids_for_cache: code
> should not be reached
>
Hi Zhao,
Hitting this error after this patch.
ERROR:../target/i386/cpu.c:257:max_processor_ids_for_cache: code should
not be reached
Bail out! ERROR:../target/i386/cpu.c:257:max_processor_ids_for_cache: code
should not be reached
Aborted (core dumped)
Looks like share_level for all the caches
From: Zhao Liu
CPUID[4].EAX[bits 25:14] is used to represent the cache topology for
intel CPUs.
After cache models have topology information, we can use
CPUCacheInfo.share_level to decide which topology level to be encoded
into CPUID[4].EAX[bits 25:14].
And since maximum_processor_id (original
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