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[2620:137:e000::1:20]) by mx.google.com with ESMTP id lc27-20020a170906dffb00b0077d08e266ccsi1874257ejc.158.2022.09.30.11.20.27; Fri, 30 Sep 2022 11:20:58 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20210112 header.b=l7a1aZIz; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232467AbiI3SNJ (ORCPT + 99 others); Fri, 30 Sep 2022 14:13:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33672 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231817AbiI3SM3 (ORCPT ); Fri, 30 Sep 2022 14:12:29 -0400 Received: from mail-pg1-x52b.google.com (mail-pg1-x52b.google.com [IPv6:2607:f8b0:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 93CFC1E92ED for ; Fri, 30 Sep 2022 11:10:56 -0700 (PDT) Received: by mail-pg1-x52b.google.com with SMTP id 78so4784178pgb.13 for ; Fri, 30 Sep 2022 11:10:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date; bh=FdAwaR2ThOuiEkbcZBSK+LnUmsamyS86q3QP/tm0gAk=; b=l7a1aZIzcaqxlxcKCOg2rfD97WjT6mvyxS81K+jeiPEurzrvoMXhrmG7+DY3ACQRKp eqh+1SeGRM4Gvzfo0L77PITM901lagPAy9lB2dzRjNnftL6Aqx0g8i51uYGXx4E4tqce BdSW4Ryr9LwIHzyHWZE97S+54YNi5ptJlU8bLbpORMt10xlSekDHWmoaSEaVC+6dX6N9 ab5ezxQpsnvMSUY4/6SMgATV+4pVdmux8qv4W3ByYsp2NFQy263vTkvV9362enHEROkh OtQB7iq2d6GzbAOn0E/oP3/jlXZAIiAFJw1MQBWyw4lgPNrbndVa/j/XjURbLkpkK6nO OTPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date; bh=FdAwaR2ThOuiEkbcZBSK+LnUmsamyS86q3QP/tm0gAk=; b=PBFJORlTQSzT/woFaGd6PBWpz1e2Ld29PH07EhHlxDjAOS0rim9HVPbcXK/duM/VeJ /jxTDHeaJIkgKyIHszTEc3bFKcolfRvw/P3iWYDoW+vZ5tZ/jb7NTy3AqQuCQoRchWYI 6ng3GDNOrxDWwb9MkS19XAyaMMx/j1rbEZl/HKRwlBMedXEnEWNl6RnMmJ9GbYioNmA3 TECO/JFLBtbuyBPwzCdIZ7tVWQZD6XjrFPmpXvsTYCiWwHOjfi10y5IzYkhFsXN+cdkU gxT4GVRiNS3/ELFHdGkT5zirfqTh40FHT+llEYyHfa6EsssGZa5BrEw+ZGfL87MYOLml Fqnw== X-Gm-Message-State: ACrzQf1Lv3j6nbBvvsLa/IrdXdPwXqeIiXMvTafwNDQHr3mWqJr3eOtx aJzIvTm07zgEXO1Qw3CLdfluUqaKTnjX7qH9DMwFWg== X-Received: by 2002:a05:6a00:4c11:b0:53e:4f07:fce9 with SMTP id ea17-20020a056a004c1100b0053e4f07fce9mr10553729pfb.66.1664561455909; Fri, 30 Sep 2022 11:10:55 -0700 (PDT) MIME-Version: 1.0 References: <20220817185410.1174782-1-nathan@kernel.org> In-Reply-To: From: Nick Desaulniers Date: Fri, 30 Sep 2022 11:10:44 -0700 Message-ID: Subject: Re: [PATCH] x86/build: Move '-mindirect-branch-cs-prefix' out of GCC-only block To: Peter Zijlstra Cc: Nathan Chancellor , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, "Moreira, Joao" Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-17.6 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, ENV_AND_HDR_SPF_MATCH,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, USER_IN_DEF_DKIM_WL,USER_IN_DEF_SPF_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 18, 2022 at 12:45 AM Peter Zijlstra wrote: > > This being clang, you'll ofcourse still have a few weird: > > "Jcc.d32 __x86_indirect_thunk_r11" > > sites that will not be able to be replaced, but there's nothing I can do > about that other than to continue to encourage y'all to stop emitting > them ;-) Joao has a patch up for this: https://reviews.llvm.org/D134915 -- Thanks, ~Nick Desaulniers