From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_IN_DEF_DKIM_WL autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 52AA9C5DF61 for ; Tue, 5 Nov 2019 20:00:57 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id 874DE21D7C for ; Tue, 5 Nov 2019 20:00:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="IlrzHL7e" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 874DE21D7C Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernel-hardening-return-17293-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 27757 invoked by uid 550); 5 Nov 2019 20:00:50 -0000 Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Received: (qmail 27737 invoked from network); 5 Nov 2019 20:00:49 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ijT2GiWjIk0i5IPeCeqTo4IKLHUoxPnZNqQGZcLSsUM=; b=IlrzHL7ezty7NJqDoQVYCYZlgd5TLmozpoptOSResx7u8dduPfsVCwxetHhcwt9646 G5tawFW78NnqVIQt8407pHG1e5zjGMrJqwSAl/oTDeue+ZI2bATAOFZnrvI5R4CrFfiJ n/6N9z9oo1SS6gVNC+qeZlwIfm5V4ROnhCdfuQ88aX5YBI34+oEw7Plr+gCPLfYF88Vv t5tkx9zp3H7o8W4fjZlCkI79/q3S/1dYYa3tpdlZAhUsRg24PXeyBp+HEkPn07uvN5Ub L9GkaFYee6+WNZPm2Nz3Y0BWrpxuapPuy18/e3w0kK2dmoGn0+nwp0yPpHzqG6gUGVPj itFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ijT2GiWjIk0i5IPeCeqTo4IKLHUoxPnZNqQGZcLSsUM=; b=r6nm/5LcORFWmzqurvv3adUvnJaOfKB4UVxcJvaSBO8zZUXIfpWRCKIZf/mf/t4QZv rQyl9HxSN69cN+u1dI1kd+X3U2fr4GaDw/TwWy9KlYmYiMhwA5YY4jiBXD3xUixKE87m mXfd5qTpTN5ZwG7KS54RSdxzeF0+nx0p1R8nkRiaxnkdNIIfc6X0RHHCofaABwCAwE+G n5G6qSkFzEIloMUODlOzX1fVMYnXzU40Ty6hI2QolvAqVFDsAgeze9VdBGp8A8WsSRpp I3gliBlCnJEa43CraFOdnqD9BCBSH6eIz+ib7zPcmIeGS3SjOT+UbCsgL5B1orSUgRlU Z0IQ== X-Gm-Message-State: APjAAAXoEAmemOKTQIIBdVSK3j01Ba0Y0Xc/jbeBSnBdm+WIhe9DUaEF 6qakxp80TO9VHB/R3rnGOxEoaQ3KkBM0cqQlXKNSjQ== X-Google-Smtp-Source: APXvYqyIFpCKniQqTsvrpnzyV0E86VzxTLXkPlxCMRfFt3g4qhjOa1M4benI/dNGWIb6R6YCFbVunWVoJWRhpBKoHRs= X-Received: by 2002:a17:90a:178e:: with SMTP id q14mr1056137pja.134.1572984037414; Tue, 05 Nov 2019 12:00:37 -0800 (PST) MIME-Version: 1.0 References: <20191018161033.261971-1-samitolvanen@google.com> <20191101221150.116536-1-samitolvanen@google.com> <20191101221150.116536-12-samitolvanen@google.com> <20191104171132.GB2024@lakrids.cambridge.arm.com> <20191105091301.GB4743@lakrids.cambridge.arm.com> In-Reply-To: <20191105091301.GB4743@lakrids.cambridge.arm.com> From: Nick Desaulniers Date: Tue, 5 Nov 2019 12:00:25 -0800 Message-ID: Subject: Re: [PATCH v4 11/17] arm64: disable function graph tracing with SCS To: Mark Rutland Cc: Sami Tolvanen , Will Deacon , Catalin Marinas , Steven Rostedt , Masami Hiramatsu , Ard Biesheuvel , Dave Martin , Kees Cook , Laura Abbott , Marc Zyngier , Jann Horn , Miguel Ojeda , Masahiro Yamada , clang-built-linux , Kernel Hardening , linux-arm-kernel , LKML Content-Type: text/plain; charset="UTF-8" On Tue, Nov 5, 2019 at 11:55 AM Mark Rutland wrote: > Similarly, if clang gained -fpatchable-funciton-etnry, we'd get that for > free. Filed: https://bugs.llvm.org/show_bug.cgi?id=43912 -- Thanks, ~Nick Desaulniers