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Re: [Qemu-devel] [PATCH v11 0/5] i386: Enable TOPOEXT to support hyperth


From: Moger, Babu
Subject: Re: [Qemu-devel] [PATCH v11 0/5] i386: Enable TOPOEXT to support hyperthreading on AMD CPU
Date: Thu, 24 May 2018 15:59:44 +0000

> -----Original Message-----
> From: Kash Pande [mailto:address@hidden
> Sent: Thursday, May 24, 2018 10:51 AM
> To: Moger, Babu <address@hidden>; address@hidden;
> address@hidden; address@hidden; address@hidden;
> address@hidden; address@hidden
> Cc: address@hidden; address@hidden; address@hidden
> Subject: Re: [PATCH v11 0/5] i386: Enable TOPOEXT to support
> hyperthreading on AMD CPU
> 
> Tested-by: Kash Pande <address@hidden>

Thanks

> 
> 
> Hopefully we can get this merged because it's taken a ridiculously long
> time with many back-and-forths for small issues that could have been put
> off til later.

We are almost there.  Thanks for your patience. ):

> 
> Kash
> 
> On 2018-05-24 11:43 AM, Babu Moger wrote:
> > This series enables the TOPOEXT feature for AMD CPUs. This is required to
> > support hyperthreading on kvm guests.
> >
> > This addresses the issues reported in these bugs:
> > https://bugzilla.redhat.com/show_bug.cgi?id=1481253
> > https://bugs.launchpad.net/qemu/+bug/1703506
> >
> > v11:
> >  Patches are based off of Eduardo's git://github.com/ehabkost/qemu.git
> x86-next.
> >  Summary of changes.
> >  1.Added more comments explaining different constants and variables.
> >  2.Removed NUM_SHARING_CACHE macro and made the code simpler.
> >  3.Changed the function name num_sharing_l3_cache to
> cores_in_core_complex.
> >    This function is actually finding the number of cores in a core complex.
> >    Purpose here is to re-use the code in couple more places.
> >  4.Added new function nodes_in_socket to find number of nodes in the
> config.
> >    Purpose here is to re-use the code.
> >  5.Used DIV_ROUND_UP wherever applicable.
> >  6.Renamed few constants and functions to generic names.
> >  7.Few more text corrections.
> >
> 


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