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[46.139.12.213]) by smtp.gmail.com with ESMTPSA id o24sm1886521wmi.29.2018.03.14.06.39.44 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 14 Mar 2018 06:39:45 -0700 (PDT) Date: Wed, 14 Mar 2018 14:39:43 +0100 From: Ingo Molnar To: Josh Poimboeuf Cc: tip-bot for Andy Whitcroft , linux-tip-commits@vger.kernel.org, hpa@zytor.com, dave.hansen@linux.intel.com, arjan@linux.intel.com, dwmw@amazon.co.uk, gregkh@linuxfoundation.org, torvalds@linux-foundation.org, apw@canonical.com, bp@alien8.de, luto@kernel.org, dan.j.williams@intel.com, tglx@linutronix.de, linux-kernel@vger.kernel.org, dwmw2@infradead.org, peterz@infradead.org Subject: Re: [tip:x86/pti] x86/speculation, objtool: Annotate indirect calls/jumps for objtool on 32-bit kernels Message-ID: <20180314133943.t5dorqzvlieotljx@gmail.com> References: <20180314112427.22351-1-apw@canonical.com> <20180314130329.cmsc7mqnfrm2iop2@treble> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180314130329.cmsc7mqnfrm2iop2@treble> User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Josh Poimboeuf wrote: > On Wed, Mar 14, 2018 at 05:28:01AM -0700, tip-bot for Andy Whitcroft wrote: > > Commit-ID: a14bff131108faf50cc0cf864589fd71ee216c96 > > Gitweb: https://git.kernel.org/tip/a14bff131108faf50cc0cf864589fd71ee216c96 > > Author: Andy Whitcroft > > AuthorDate: Wed, 14 Mar 2018 11:24:27 +0000 > > Committer: Ingo Molnar > > CommitDate: Wed, 14 Mar 2018 13:24:31 +0100 > > > > x86/speculation, objtool: Annotate indirect calls/jumps for objtool on 32-bit kernels > > > > In the following commit: > > > > 9e0e3c5130e9 ("x86/speculation, objtool: Annotate indirect calls/jumps for objtool") > > > > ... we added annotations for CALL_NOSPEC/JMP_NOSPEC on 64-bit x86 kernels, > > but we did not annotate the 32-bit path. > > > > Annotate it similarly. > > This patch has no effect because objtool only supports 64-bit kernels. Yeah, indeed - but it's still a good change for completeness, right? Thanks, Ingo