From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: ARC-Seal: i=1; a=rsa-sha256; t=1521034787; cv=none; d=google.com; s=arc-20160816; b=XMllTVWUlta64hYXVWeIAtQqRGF6n0kHYPJc9fbJAKWfZCOC/mpxf8NaX5Ro4TKJb5 /RlWoT7mCyCOav6aMp6BsfqctU7Qd5dwPutWDQgvnJSn44I6wqNESR/PHSdNQQ8wzrln GchLSiKUrDf7jqBbHwGIbeFp8yjjMKyOf7Q+ls2Uxb0ZbpDWae0JNka9oHjRcelnk9Jv aB1821A6rce33viSyrxNGsukrOQgB9H/YR7p/OtkREedYNs4hDY2X39tj4FX2s6JA6gm eUyjcawa5HzP4AI9EBOGDlTfssMZtFf/85TYFhMdlTgUbUfG2cc4vgoOsXaoQqwdSEya mzBQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=user-agent:in-reply-to:content-disposition:mime-version:references :message-id:subject:cc:to:from:date:sender:dkim-signature :arc-authentication-results; bh=wXk+Yy5DWnWiyBrTYRSCf+qnNTicb+qGHo+RDKS3lCs=; b=YTFWo86oT5B4LbHM6zfibsAC8PYSvGv+Fl4XX8FQBU5IZ7tAnZprhW4xACGdT+CwfZ P3EqkezIER2ClXFKuqYEyhhWltdE8oaXSGGfjtnz3+5mvzg6EpAxJBS23EJgVLKGPWSR o7375quec3fmz1HAxKM1Z0WtE8sg4tmmHAPsY1EwMyy1CEp9w1ireAfvqStEQKS32W+D juXdaGU4l+5Kti/FpomH0Z++40h6sZDS5Iq4EYml75xVfq0La19EtAU5AGRoVHL+KO+N Gvkj3faCoUcUaw9lPSbaK9a9+FGlRQ7hV66nc0M0zZQswWBKTROQiIkk2fpQsKVLmmDk VycA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=Z/h1Vvnr; spf=pass (google.com: domain of mingo.kernel.org@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=mingo.kernel.org@gmail.com Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=Z/h1Vvnr; spf=pass (google.com: domain of mingo.kernel.org@gmail.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=mingo.kernel.org@gmail.com X-Google-Smtp-Source: AG47ELu7kPMZ1JLm4MYjxWk+vf6g0WGXhTjEzYcgI7I0j2+IrkPbX1nY79m1/HOGEgvNu7aju0xagg== Sender: Ingo Molnar 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) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1594916116672090070?= X-GMAIL-MSGID: =?utf-8?q?1594920573352348045?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: * 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