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Date: Thu, 27 Sep 2018 15:51:39 +0200 From: Borislav Petkov <bp@...en8.de> To: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com> Cc: x86@...nel.org, platform-driver-x86@...r.kernel.org, dave.hansen@...el.com, sean.j.christopherson@...el.com, nhorman@...hat.com, npmccallum@...hat.com, serge.ayoun@...el.com, shay.katz-zamir@...el.com, linux-sgx@...r.kernel.org, andriy.shevchenko@...ux.intel.com, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>, David Woodhouse <dwmw@...zon.co.uk>, David Wang <davidwang@...oxin.com>, "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>, "Levin, Alexander (Sasha Levin)" <alexander.levin@...izon.com>, Jia Zhang <qianyue.zj@...baba-inc.com>, "open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <linux-kernel@...r.kernel.org>, He Chen <he.chen@...ux.intel.com>, Luwei Kang <luwei.kang@...el.com>, kvm@...r.kernel.org, Radim Krčmář <rkrcmar@...hat.com>, Piotr Luc <Piotr.Luc@...el.com>, Paolo Bonzini <pbonzini@...hat.com> Subject: Re: [PATCH v14 04/19] x86/cpufeatures: Add SGX feature bits On Thu, Sep 27, 2018 at 04:16:42PM +0300, Jarkko Sakkinen wrote: > Still kind of leaves me puzzled about the situation :-) Why this wasn't > used for example to replace detect_vmx_virtcap()? I don't understand - detect_vmx_virtcap() is setting X86_FEATURE bits based on MSR settings. get_scattered_cpuid_leaf() is regenerating a CPUID leaf from the scattered bits. Looks like apples and oranges to me... -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.
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