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Message-ID: <53A1B921.1050108@redhat.com> Date: Wed, 18 Jun 2014 18:06:57 +0200 From: Paolo Bonzini <pbonzini@...hat.com> To: Nadav Amit <nadav.amit@...il.com>, Nadav Amit <namit@...technion.ac.il> CC: gleb@...nel.org, tglx@...utronix.de, mingo@...hat.com, hpa@...or.com, x86@...nel.org, linux-kernel@...r.kernel.org, kvm@...r.kernel.org Subject: Re: [PATCH v2 9/9] KVM: vmx: vmx instructions handling does not consider cs.l Il 18/06/2014 18:01, Nadav Amit ha scritto: >> > > Perhaps I am missing something, but I don't see where my mistake is. > The VMREAD source operand is always read as 64-bits and I made no > changes there. Therefore, if bits 63:32 are not zero, the instruction > should fail when attempting to access the field. In 32-bit mode, it should be read as 32 bits: "Outside IA-32e mode, the source operand has 32 bits, regardless of the value of CS.D" (so it's never 16 bits, but it's also never 64 bits). Paolo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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