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 1C5BFCA9EA0 for ; Fri, 25 Oct 2019 19:25:06 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id 5826620679 for ; Fri, 25 Oct 2019 19:25:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="B4GQskO1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5826620679 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-17130-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 24379 invoked by uid 550); 25 Oct 2019 19:24:57 -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 24361 invoked from network); 25 Oct 2019 19:24:57 -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=o1KNKNAvei7RdsNFTjOCPFJdbKge4JWaaDzIh5QD5WU=; b=B4GQskO1pBnqkDlZ8HZ8x5c1vhCFZEW3X1j49w0bM7B18rvKIKDxfC7joa+DwOV5Vc 6mh8e55rxeRH5ENNIRbSFdpc4Nh+5atNEe8sNssBKJ9XjsSSar2EG+qy45G8otOvHTmf 44KVb2wwSKDA1+xgpzIIX2vx9nzpS4E6myim+/Oh+1q43BEhwKqUu/JmNYikfa5KyNWV 1iOlg2gSv7/W5mcA1DU1YxNT/6x9K2zHfgklyJ7/ytVFeVZ5QDd5kH3Gr94p0ehppWx2 PnfJTJ9tbP7fJYy5sGjgyqirYK5pwV8HQ9Phq/+6VkTITjeJCpYwL0osN6AX8s8CJ3/t 92hg== 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=o1KNKNAvei7RdsNFTjOCPFJdbKge4JWaaDzIh5QD5WU=; b=H7dvOKt5mVd/lSblqFgQe09Ae8GsmJ/FBkKcW7PKcgkevziylRx9VWv//osaGV+39+ 1ilU4EilzmNxemu22AUYdhc9yDrcwwPPLqBae4qNBZLhbPyOuvutsiNGyvZQlOJsWmC2 9qLTURZG9cFBY7cthC6EqqPWTxE5fFzYkYY3myKorTUuxlfgR9cQNv7ZwHwZjvsZ3FwS JkfqOM0PFQf6VW/1YUrVhUV/7ixZwestpoiskCqis8Pet76RjZfo5x+XyOzmALfrF51n NoZXR2uHUyk9NOmnE4yeogL/VEARo1YVNZ19nvo+a1ioQMxPpYv0koawpCMwOAMaPHI2 ye1w== X-Gm-Message-State: APjAAAUcqhiWQTUfaQzzYGVFNP4PMzbsYkSn1TGWCtE4EqaGuiF2nAj0 SeeDakEadba9+toKZO/hTnOBTCYWk5mmOLKjsq1xew== X-Google-Smtp-Source: APXvYqyNGrPZJ0eMOQynE8OcxFRJ+vW6Age9LhpyOufu31lfdbamMEtUIyKoPDjLtJVIa6dmx+KdXEfZL4h57Ja1Nx0= X-Received: by 2002:a1f:7d88:: with SMTP id y130mr2977044vkc.71.1572031484800; Fri, 25 Oct 2019 12:24:44 -0700 (PDT) MIME-Version: 1.0 References: <20191018161033.261971-1-samitolvanen@google.com> <20191024225132.13410-1-samitolvanen@google.com> <20191024225132.13410-17-samitolvanen@google.com> In-Reply-To: From: Sami Tolvanen Date: Fri, 25 Oct 2019 12:24:33 -0700 Message-ID: Subject: Re: [PATCH v2 16/17] arm64: disable SCS for hypervisor code To: Masahiro Yamada Cc: Will Deacon , Catalin Marinas , Steven Rostedt , Masami Hiramatsu , Ard Biesheuvel , Dave Martin , Kees Cook , Laura Abbott , Mark Rutland , Nick Desaulniers , Jann Horn , Miguel Ojeda , clang-built-linux , Kernel Hardening , linux-arm-kernel , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" On Thu, Oct 24, 2019 at 6:31 PM Masahiro Yamada wrote: > $(subst ... ) is not the correct use here. > > It works like sed, s/$(CC_CFLAGS_SCS)// > instead of matching by word. > > > > > KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS), $(KBUILD_CFLAGS)) > > is more correct, and simpler. Thanks, I will change this in v3. Sami