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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D565C433EF for ; Fri, 13 May 2022 20:22:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1384126AbiEMUWP (ORCPT ); Fri, 13 May 2022 16:22:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42808 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1384114AbiEMUWH (ORCPT ); Fri, 13 May 2022 16:22:07 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 12190154F9C for ; Fri, 13 May 2022 13:22:07 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id d22-20020a25add6000000b00645d796034fso8238850ybe.2 for ; Fri, 13 May 2022 13:22:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=dq5ya0HLbqhoGaxybMwD+u455UO61ysiO/Cn6SCUV4E=; b=QhvLqyQ7SGkhcJcmlPcAMvH4X9HlQFOiCjtBh/sxV7YFuCJ87i5PkY99k8mpn88Z7L bAJHA6Yi+ZPZn6RvkqV/eFGCG1px4tIYEl7/NiOpU+6qbrDMEZhC+SRZjcWXz+crVMyB k89fvJN/FDgzHnNowBikxn+RDEi5rz5cjkFzu4OdcmLuH5qG5wD0z0VtWR17tHJLAXz6 D/UCknaW80Q18TX1vss3qORW2jhII4B6rQkGv+V6pGg9zIzJdJU8oSKhfhM1q13nyTu0 RtKAlKqIMYJgUOayt2WSeBxXLwmjgEC/4qZ7cyJ+5su7ftJjYIt4dwxMI94GP5ohXkvi VOKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=dq5ya0HLbqhoGaxybMwD+u455UO61ysiO/Cn6SCUV4E=; b=qdanJFxJqKCSkxSrz4i797UpLKyZXWFKQBQdFZk+IKnxBK1xQNaUDQNrWoGVC1fViJ BeB6pQ6QnyU5aZ+xn6Zd1Ele6UfAbx4qDMgqwtM8lmZ6Pc5/YrmChNAcaDEmadw3S768 9nApao//oX8OaTs74RozCTGQt2GPhRN7A9UtL5GLZ7yLgDAXIm9DM3PA69N7j460UwxI JvBTYiMbslXedmmq6e+mrhozQjyJKwi2KLa9wq+BrCjSYC+ZT6YebIWbGqbCVKQsCHVf XIz0wmzA5kmQwevCqJBy0neMnNq/k69r/Ou0YL8zg9k0ZPRwiSxmnvMqC/kHSWiEZjy1 CSnQ== X-Gm-Message-State: AOAM531AZfScV4qq/YIB6iZLNbdxta8aI28wUkOrDVG6G//FO/5EmeVT lJzGCFtcjSUAdQ/sCyZ+fteWmYnzldvDr/yLJ12x8DFCWhDM5JNDJKG+Bnb8g9P8mh3abzBrUUb u2TBXwh51ge2l2aJGUfpWm16i2NnWcIIbJaFbw5Oek19OVayI8WaGQI1dTco3BGx3aEDWhTngHh knGBEYYqgDkA== X-Google-Smtp-Source: ABdhPJx6nPe/UG4ioi9xxrUNrDLMncxESewxC/vESjwPAZ8T0UiRXU3Rn9QJIYSuvrV9TPZrXKmlIeVohGiRmaBJe18= X-Received: from samitolvanen1.mtv.corp.google.com ([2620:15c:201:2:e0:c17e:c2dc:13eb]) (user=samitolvanen job=sendgmr) by 2002:a25:d1d7:0:b0:64b:6193:cd6d with SMTP id i206-20020a25d1d7000000b0064b6193cd6dmr6849614ybg.149.1652473326244; Fri, 13 May 2022 13:22:06 -0700 (PDT) Date: Fri, 13 May 2022 13:21:40 -0700 In-Reply-To: <20220513202159.1550547-1-samitolvanen@google.com> Message-Id: <20220513202159.1550547-3-samitolvanen@google.com> Mime-Version: 1.0 References: <20220513202159.1550547-1-samitolvanen@google.com> X-Developer-Key: i=samitolvanen@google.com; a=openpgp; fpr=35CCFB63B283D6D3AEB783944CB5F6848BBC56EE X-Developer-Signature: v=1; a=openpgp-sha256; l=988; h=from:subject; bh=RNVQHrlEA9fX91aGJUv17nzO52aQ646VsAxq7TYCVmE=; b=owEB7QES/pANAwAKAUy19oSLvFbuAcsmYgBifr3isUdSjjLVv9wzgpsbojWEfNbcYqclULDOWDcw kQXpx/yJAbMEAAEKAB0WIQQ1zPtjsoPW0663g5RMtfaEi7xW7gUCYn694gAKCRBMtfaEi7xW7p9EC/ 9JO2MwCu1MjbT8Exc52X4QzT9yYK9ojOtmr6WsnYMtpgxHa2q1EE6j+R5DjIqzA+m2ZWPHkY8SrMeG ZrpJnTHJPvFOmOV9L+KDF1UT+Vgo2YVrHJuQqxkraewUIudUDq4Bab1FpnWkPZ4QtwJ9xuzKjcnA12 rUIsUKiEhUi1G12cNkjH+aGc4Ny0YP4T2rz89dMrdARLVOHhRPupWfkUNfNVLrIlXbnof/ZCCjhJz1 /gosCtk/66Q2tgY9KlHpacjuBslmTAN6blKpml6eqY1jRO1Hqa6ScjNXsr7+p5muSKkIRmxw1nPydt uEjXwjPlU5Ruc4YYTkRQ1SHEvAY/KmfK1bxhTW2zqyS909mhqMUEKaAw+n3DCzcCfosyD9GzAspMLK SZA/KsxdlXzjUxfsDSQMVqyc7AOnO30FS+TtKeAMlZU6kbhpl6I1yJyRW4cejjllmWB/ynZIDhDZTJ mZiNpwrFr0PQBQTYS1f63TSat1c1BfyDD5IZxeq1F4sM0= X-Mailer: git-send-email 2.36.0.550.gb090851708-goog Subject: [RFC PATCH v2 02/21] arm64/vdso: Filter out CC_FLAGS_CFI From: Sami Tolvanen To: linux-kernel@vger.kernel.org Cc: Kees Cook , Josh Poimboeuf , Peter Zijlstra , x86@kernel.org, Catalin Marinas , Will Deacon , Mark Rutland , Nathan Chancellor , Nick Desaulniers , Joao Moreira , Sedat Dilek , Steven Rostedt , linux-hardening@vger.kernel.org, linux-arm-kernel@lists.infradead.org, llvm@lists.linux.dev, Sami Tolvanen Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Explicitly filter out CC_FLAGS_CFI in preparation for the flags being removed from CC_FLAGS_LTO. Signed-off-by: Sami Tolvanen --- arch/arm64/kernel/vdso/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile index 172452f79e46..6c26e0a76a06 100644 --- a/arch/arm64/kernel/vdso/Makefile +++ b/arch/arm64/kernel/vdso/Makefile @@ -33,7 +33,8 @@ ccflags-y += -DDISABLE_BRANCH_PROFILING -DBUILD_VDSO # the CFLAGS of vgettimeofday.c to make possible to build the # kernel with CONFIG_WERROR enabled. CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) $(GCC_PLUGINS_CFLAGS) \ - $(CC_FLAGS_LTO) -Wmissing-prototypes -Wmissing-declarations + $(CC_FLAGS_LTO) $(CC_FLAGS_CFI) \ + -Wmissing-prototypes -Wmissing-declarations KASAN_SANITIZE := n KCSAN_SANITIZE := n UBSAN_SANITIZE := n -- 2.36.0.550.gb090851708-goog