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[209.85.167.51]) by smtp.gmail.com with ESMTPSA id w15sm2768790lff.25.2020.07.01.19.30.51 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Jul 2020 19:30:52 -0700 (PDT) Received: by mail-lf1-f51.google.com with SMTP id y18so14943403lfh.11 for ; Wed, 01 Jul 2020 19:30:51 -0700 (PDT) X-Received: by 2002:ac2:5a5e:: with SMTP id r30mr17040357lfn.30.1593657051528; Wed, 01 Jul 2020 19:30:51 -0700 (PDT) MIME-Version: 1.0 References: <5F1767D0-416A-4BA4-9DFF-E82D1EA3F5EE@amacapital.net> In-Reply-To: From: Linus Torvalds Date: Wed, 1 Jul 2020 19:30:35 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: objtool clac/stac handling change.. To: Andy Lutomirski Cc: Josh Poimboeuf , Peter Zijlstra , "the arch/x86 maintainers" , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 1, 2020 at 5:48 PM Andy Lutomirski wrote: > > You inspired me to mock it up. Ahh, you want to just use the jump folding of gcc to avoid the problem. I guess we could do that. Are there cases where this actually helps? Linus