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Date: Fri, 12 Jan 2018 13:32:24 +0100
From: Borislav Petkov <bp@alien8.de>
To: Ashok Raj <ashok.raj@intel.com>
Cc: linux-kernel@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
        Tim Chen <tim.c.chen@linux.intel.com>,
        Andy Lutomirski <luto@kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Greg KH <gregkh@linuxfoundation.org>,
        Dave Hansen <dave.hansen@intel.com>,
        Andrea Arcangeli <aarcange@redhat.com>,
        Andi Kleen <ak@linux.intel.com>,
        Arjan Van De Ven <arjan.van.de.ven@intel.com>,
        David Woodhouse <dwmw@amazon.co.uk>,
        Peter Zijlstra <peterz@infradead.org>,
        Dan Williams <dan.j.williams@intel.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Jun Nakajima <jun.nakajima@intel.com>,
        Asit Mallick <asit.k.mallick@intel.com>
Subject: Re: [PATCH 5/5] x86/feature: Detect the x86 feature Indirect Branch
 Prediction Barrier
Message-ID: <20180112123223.us2iygz6twype2sr@pd.tnic>
References: <1515720739-43819-1-git-send-email-ashok.raj@intel.com>
 <1515720739-43819-6-git-send-email-ashok.raj@intel.com>
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On Thu, Jan 11, 2018 at 05:32:19PM -0800, Ashok Raj wrote:
> cpuid ax=0x7, return rdx bit 26 to indicate presence of both
> IA32_SPEC_CTRL(MSR 0x48) and IA32_PRED_CMD(MSR 0x49)

So why do we need two X86_FEATURE flags then?

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.