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Re: kern/50332: AVX instructions don't work but OSXSAVE flag is set



The following reply was made to PR kern/50332; it has been noted by GNATS.

From: coypu%sdf.org@localhost
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/50332: AVX instructions don't work but OSXSAVE flag is set
Date: Mon, 5 Mar 2018 03:15:57 +0000

 avx is specifically being disabled for xen
 
 see x86/identcpu.c
 
 #ifdef XEN
 	x86_fpu_save = FPU_SAVE_FXSAVE;
 
 this is left over from PR 49150, which is left over from a xen security
 advisory (XSA-52).
 
 maxv said this:
 http://mail-index.netbsd.org/port-xen/2017/11/08/msg009123.html
 


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