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Peter Anvin" , Andi Kleen , "Shankar, Ravi V" , LKML , "Dave Hansen" Subject: Re: [RESEND PATCH v6 07/12] x86/fsgsbase/64: Introduce the FIND_PERCPU_BASE macro Thread-Topic: [RESEND PATCH v6 07/12] x86/fsgsbase/64: Introduce the FIND_PERCPU_BASE macro Thread-Index: AQHU22qyUcuqr+FxmUStDhVADE0c8qYcgLmAgDp3WwA= Date: Wed, 1 May 2019 13:52:51 +0000 Message-ID: <89147C5F-4F1D-4E19-AF68-658F6F638B3C@intel.com> References: <1552680405-5265-1-git-send-email-chang.seok.bae@intel.com> <1552680405-5265-8-git-send-email-chang.seok.bae@intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.254.48.92] Content-Type: text/plain; charset="us-ascii" Content-ID: Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Mar 25, 2019, at 02:02, Thomas Gleixner wrote: > > On Fri, 15 Mar 2019, Chang S. Bae wrote: > >> diff --git a/arch/x86/include/asm/inst.h b/arch/x86/include/asm/inst.h >> index f5a796da07f8..d063841a17e3 100644 >> --- a/arch/x86/include/asm/inst.h >> +++ b/arch/x86/include/asm/inst.h >> @@ -306,6 +306,21 @@ >> .endif >> MODRM 0xc0 movq_r64_xmm_opd1 movq_r64_xmm_opd2 >> .endm >> + >> +.macro RDPID opd > > So the update to require binutils >= 2.21 does not cover RDPID? > I can see RDPID support in 2.27 release. I wonder if we can even require >= 2.27 right now. > Thanks, > > tglx