Re: [PATCH v4 0/2] Fix overflow of the max number of IDs for logic processor and core

Kindly ping for any comments. Thanks, Qian On 8/29/2023 12:24 PM, Qian Wen wrote: > CPUID.1.EBX[23:16]: Maximum number of addressable IDs for logical > processors in this physical package. > CPUID.4:EAX[31:26]: Maximum number of addressable IDs for processor cores > in the physical package. > > T

Re: [PATCH v3 0/2] Fix overflow of the max number of IDs for logic processor and core

On 8/18/2023 3:33 AM, Isaku Yamahata wrote: > On Wed, Aug 16, 2023 at 04:06:56PM +0800, > Qian Wen wrote: > >> CPUID.1.EBX[23:16]: Maximum number of addressable IDs for logical >> processors in this physical package. >> CPUID.4:EAX[31:26]: Maximum number of addressable IDs for processor cores >> i

Re: [PATCH] target/i386: Fix reporting of CPU dies when nr_cores=nr_threads=1

On 7/24/2023 2:59 AM, 小太 wrote: > When QEMU is started with `-smp D,sockets=1,dies=D,cores=1,threads=1` (that > is, 1 socket with D dies but each die contains just a single thread), both > Linux and Windows guests incorrectly interprets the system as having D > sockets with 1 die each > > Ultimate

Re: [PATCH v2] target/i386: Avoid cpu number overflow in legacy topology

On 8/14/2023 7:59 AM, Zhao Liu wrote: > Hi Qian, > > On Sun, Aug 13, 2023 at 06:49:40PM +0800, Wen, Qian wrote: > > [snip] > >>> also perhaps double check if we could do induce similar overflow >>> tweaking other -smp properties (todo for another patch[es] if th

Re: [PATCH v2] target/i386: Avoid cpu number overflow in legacy topology

On 8/9/2023 9:47 PM, Igor Mammedov wrote: > On Wed, 9 Aug 2023 21:20:48 +0800 > "Wen, Qian" wrote: > >> On 8/9/2023 7:14 PM, Igor Mammedov wrote: >>> On Wed, 9 Aug 2023 18:27:32 +0800 >>> Qian Wen wrote: >>> >>>> The legacy topol

Re: [PATCH v2] target/i386: Avoid cpu number overflow in legacy topology

On 8/9/2023 7:14 PM, Igor Mammedov wrote: > On Wed, 9 Aug 2023 18:27:32 +0800 > Qian Wen wrote: > >> The legacy topology enumerated by CPUID.1.EBX[23:16] is defined in SDM >> Vol2: >> >> Bits 23-16: Maximum number of addressable IDs for logical processors in >> this physical package. >> >> When l

Re: [PATCH] target/i386: Avoid cpu number overflow in legacy topology

On 8/7/2023 4:08 PM, Zhao Liu wrote: > On Fri, Jul 28, 2023 at 04:01:50PM +0800, Qian Wen wrote: >> Date: Fri, 28 Jul 2023 16:01:50 +0800 >> From: Qian Wen >> Subject: [PATCH] target/i386: Avoid cpu number overflow in legacy topology >> X-Mailer: git-send-email 2.25.1 >> >> The legacy topology enu

Re: [PATCH] target/i386: Avoid cpu number overflow in legacy topology

On 8/7/2023 3:36 PM, Xiaoyao Li wrote: > On 7/28/2023 4:01 PM, Qian Wen wrote: >> The legacy topology enumerated by CPUID.1.EBX[23:16] is defined in SDM >> Vol2: >> >> Bits 23-16: Maximum number of addressable IDs for logical processors in >> this physical package. >> >> To avoid data overflow, lim