From: carnil@debian.org   
      
   Hi,   
      
   On Thu, Nov 13, 2025 at 04:48:31PM +0100, Cody Zuschlag wrote:   
   > Hello again,   
   >   
   > Just a gentle follow-up on the request below about the EPYC VM performance   
   > patch for Debian 11’s 5.10 kernel.   
   >   
   > If this is something you’d consider, I’m happy to open a bug against the   
   > linux source package and track it there, or provide more details about the   
   > Xen/XCP-ng side and performance impact on AMD EPYC systems running Xen or   
   > KVM (with Xen emulation).   
   >   
   > Please let me know what the preferred next step would be.   
      
   The final word is on Ben, but you really want to make this be accepted   
   by upstream stable maintainers, as Debian follows the stable series   
   for 5.10.y so picks up any fixes there.   
      
   In particular if this is an area which will be frequently touched is   
   not an option to need to rebase on each new upstream import a   
   patchset.   
      
   That said, I cannot say if for the 5.10.y kernel and bullseye (which   
   is LTS now) an exception could be considered here.   
      
   Ben, comments?   
      
   Regards,   
   Salvatore   
      
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