Re: [PATCH] Revert "x86/fpu: Refine and simplify the magic number check during signal return"
From: Chang S. Bae
Date: Fri May 01 2026 - 17:17:11 EST
On 5/1/2026 1:50 PM, Andrei Vagin wrote:
When saying CPU A and B, I didn't intend the same vendor but x86 in general.
This is a different; here, we have two different CPU vendors where XSAVE
layouts differ. The XSAVE layout itself is not the only reason why migration
between Intel and AMD cannot work reliably.