From: smcv@debian.org 
  
 On Thu, 21 Aug 2025 at 16:48:35 +0200, Marcos Del Sol Vives wrote: 
 >Would it be acceptable to, rather than disable it entirely as previously 
 >proposed, enable CET only when compiling for IA64 (amd64), but not for any 
 >other architecture? 
  
 I think you are mixing up IA64 (Intel Itanium), a non-x86 instruction 
 set from Intel, with amd64/x86_64 (also known as EM64T or Intel 64), a 
 64-bit expansion of the x86 instruction set. They are not the same 
 thing, even though x86 is also referred to as IA32: you might reasonably 
 expect that the 64-bit expansion/replacement of IA32 would be called 
 IA64, but because of how Intel have chosen to name their products, that 
 is not actually true. (I agree that this naming is extremely confusing.) 
  
 Typical 64-bit "PC" laptops/desktops/servers are x86_64 machines that 
 can (hopefully) run Debian's amd64 architecture, regardless of whether 
 their CPU was manufactured by Intel, AMD or someone else. 
  
 If you want to get security-sensitive changes merged for the benefit of 
 these architectures, it will probably go better if you are clear about 
 which architecture you are talking about! 
  
 (Another relevant source of confusion is that 32-bit x86 is not the same 
 thing as x32.) 
  
      smcv 
  
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