Re: [PATCH RFC v1 17/20] KVM: x86: Prepare APX state setting in XCR0

[Chang S. Bae]

On 11/11/2025 8:59 AM, Paolo Bonzini wrote:
> You should also adjust set_xcr to reject setting BNDREGS and APX 

	/* MPX and APX conflict in the non-compacted XSAVE format */
	if (xcr0 & XFEATURE_MASK_BNDREGS && xcr0 & XFEATURE_MASK_APX)
		return 1;

> together (QEMU should also reject MPX and APX together in CPUID, but KVM 
> doesn't care enough about invalid CPUID configuration).
Zhao, please ensure this on your QEMU patches.