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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id D89B5C54E71 for ; Wed, 21 May 2025 14:11:41 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 77A816B00A7; Wed, 21 May 2025 10:11:41 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 6DCBF6B00A8; Wed, 21 May 2025 10:11:41 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5A51E6B00A9; Wed, 21 May 2025 10:11:41 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 3A4D46B00A7 for ; Wed, 21 May 2025 10:11:41 -0400 (EDT) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 8F72D8071C for ; Wed, 21 May 2025 14:11:40 +0000 (UTC) X-FDA: 83467103160.06.AF22C59 Received: from fhigh-a1-smtp.messagingengine.com (fhigh-a1-smtp.messagingengine.com [103.168.172.152]) by imf15.hostedemail.com (Postfix) with ESMTP id 8EEF4A001D for ; Wed, 21 May 2025 14:11:38 +0000 (UTC) Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=arndb.de header.s=fm3 header.b=UvgZO2tu; dkim=pass header.d=messagingengine.com header.s=fm3 header.b="P HH2Z+0"; spf=pass (imf15.hostedemail.com: domain of arnd@arndb.de designates 103.168.172.152 as permitted sender) smtp.mailfrom=arnd@arndb.de; dmarc=pass (policy=none) header.from=arndb.de ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1747836698; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=HWI5tsYR82od73rLR1d73ZRHNmjGxzPzzskX0QA3T0s=; b=mpitzmIhrJ/PIfPEBzVoXrKoG8tbKpYrZmSd8uljAp8cE7pTkUfV3e8aOS2vyAXV4yPOsZ RNqlrbrw3NmbMbGyE4Jmx5Xk6VX4i1g2YlfQi2C/ozIb60FsZMO6Sr8jgpicCcg2+7/tVS OA8ZTbn70Z2HSa01uD1uPycLK0aFEuA= ARC-Authentication-Results: i=1; imf15.hostedemail.com; dkim=pass header.d=arndb.de header.s=fm3 header.b=UvgZO2tu; dkim=pass header.d=messagingengine.com header.s=fm3 header.b="P HH2Z+0"; spf=pass (imf15.hostedemail.com: domain of arnd@arndb.de designates 103.168.172.152 as permitted sender) smtp.mailfrom=arnd@arndb.de; dmarc=pass (policy=none) header.from=arndb.de ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1747836698; a=rsa-sha256; cv=none; b=2vKfgbefF/QdM4CJ65dm8cPCyDcHiWShQAuS+qU2EUyRju08hs4HGOsEqwbegzQCRKjkkL krveeNhpCNxqVJYZxL/dOiVXb+OPOtU/FfhHL3LN1PIGezdOK2VbLkBuAyKbSeBhCsZMgj IhuWpy+aFgqq+HA/Q6uwCvS+yBicvtI= Received: from phl-compute-05.internal (phl-compute-05.phl.internal [10.202.2.45]) by mailfhigh.phl.internal (Postfix) with ESMTP id D28781140115; Wed, 21 May 2025 10:11:37 -0400 (EDT) Received: from phl-imap-12 ([10.202.2.86]) by phl-compute-05.internal (MEProxy); Wed, 21 May 2025 10:11:37 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arndb.de; h=cc :cc:content-transfer-encoding:content-type:content-type:date :date:from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to; s=fm3; t=1747836697; x=1747923097; bh=HWI5tsYR82od73rLR1d73ZRHNmjGxzPzzskX0QA3T0s=; b= UvgZO2tuvBQw0TC0wLcBMbIaCmRLaSFsHa9/dTz5feuYKCBVr2qs9zTLlOteaAiD AnK0QeKl55BD1Cc+2oP3kjHyd0XO0n/gE4GvWixz+NrDkPRg7/oBuupv7RyfFNWM z6ufvltMUieFZn6MSUmykUgK63xgRebVTFFiZJF48wnrX52ZGDNxMDfy0ssCmiNa wjpc4aDVg8LBW5n4heQX6Aj4jiyhinE3JOwFuW/MOjC6aj4z4yKCazndrFcRAn30 WI4RpC7pU4u604aaj3vA2lQWcfSWJgJiLn5H8a9e891M9pCoSWrkuD8uysJEL8Tl rJr5o8jiVVX5J2PlCvMzKg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:content-type:date:date:feedback-id:feedback-id :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm3; t=1747836697; x= 1747923097; bh=HWI5tsYR82od73rLR1d73ZRHNmjGxzPzzskX0QA3T0s=; b=P HH2Z+0ctNahlhotZlDeSc1bTLxfrVE4EcA+rEHwZy9z3TSz2EgCo1osS0T0ypwfE qJAIakV2j6kf4UC7/gpjXi8cxucb3HodxJIqCeUdnlOBxCQ1sPsGJlOiJLs7lkXZ OGCM0KEA3niKf1i3MhrjKTRLroeIsgPX++HWC/eTtFi0mkwbY+lbd70pZOZMUpBQ d1m46EH5u/thhMIqmD4ehuC5qge2C2j9xK/dmwy0gIZMjjV7cf+rOQX8HidRlJZg XsYFnKKJB00Bqy0isV3JyrsLId2I9j3QMF4wowQHPgJm5dVA3ZdT8Y9o9f19aNKC 7O/rY3DYjJPuyDrvGBP8g== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeeffedrtddtgdefvdelucdltddurdegfedvrddttd dmucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdggtfgf nhhsuhgsshgtrhhisggvpdfurfetoffkrfgpnffqhgenuceurghilhhouhhtmecufedttd enucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhepofggfffhvfevkfgj fhfutgfgsehtqhertdertdejnecuhfhrohhmpedftehrnhguuceuvghrghhmrghnnhdfuc eorghrnhgusegrrhhnuggsrdguvgeqnecuggftrfgrthhtvghrnhepvdfhvdekueduveff ffetgfdvveefvdelhedvvdegjedvfeehtdeggeevheefleejnecuvehluhhsthgvrhfuih iivgeptdenucfrrghrrghmpehmrghilhhfrhhomheprghrnhgusegrrhhnuggsrdguvgdp nhgspghrtghpthhtohepudegpdhmohguvgepshhmthhpohhuthdprhgtphhtthhopegrnh gurhgvhihknhhvlhesghhmrghilhdrtghomhdprhgtphhtthhopeguvhihuhhkohhvsehg ohhoghhlvgdrtghomhdprhgtphhtthhopehglhhiuggvrhesghhoohhglhgvrdgtohhmpd hrtghpthhtohepkhgrshgrnhdquggvvhesghhoohhglhgvghhrohhuphhsrdgtohhmpdhr tghpthhtohepmhgrshgrhhhirhhohieskhgvrhhnvghlrdhorhhgpdhrtghpthhtohepnh grthhhrghnsehkvghrnhgvlhdrohhrghdprhgtphhtthhopehlihhnuhigqdhmmheskhhv rggtkhdrohhrghdprhgtphhtthhopegrkhhpmheslhhinhhugidqfhhouhhnuggrthhioh hnrdhorhhgpdhrtghpthhtohepnhhitgholhgrshdrshgthhhivghrsehlihhnuhigrdgu vghv X-ME-Proxy: Feedback-ID: i56a14606:Fastmail Received: by mailuser.phl.internal (Postfix, from userid 501) id 32C301060060; Wed, 21 May 2025 10:11:37 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface MIME-Version: 1.0 X-ThreadId: T2ad347d80e1d0ee9 Date: Wed, 21 May 2025 16:10:47 +0200 From: "Arnd Bergmann" To: "Alexander Potapenko" , "Linux Memory Management List" , "Andrew Morton" Cc: "Nathan Chancellor" , "Lukas Bulwahn" , "Masahiro Yamada" , "Nicolas Schier" , "Andrey Konovalov" , linux-kbuild@vger.kernel.org, kasan-dev@googlegroups.com, kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, "Lukas Bulwahn" , "Dmitry Vyukov" Message-Id: <61db74cd-2d6c-4880-8e80-12baa338a727@app.fastmail.com> In-Reply-To: References: <20250507133043.61905-1-lukas.bulwahn@redhat.com> <20250508164425.GD834338@ax162> Subject: Re: [PATCH] Makefile.kcov: apply needed compiler option unconditionally in CFLAGS_KCOV Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Rspamd-Queue-Id: 8EEF4A001D X-Rspamd-Server: rspam09 X-Stat-Signature: dd4awptqh66tk1s81j9ewo78f86gk3kh X-HE-Tag: 1747836698-655295 X-HE-Meta: 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 dr0KtCOG 2Ct7L//VETaUY9QOUusQqU1kcUMvhxQ9eS3YnMEmQh+1YnB9fXw9HcGEcbRla201xuVM7pusjwUEC9qqCYB4/9jm0PJ3H4zlVytR0k18jlkrI3oG7TMgi/1GeWNmPn1D1yziRXlmHUbmBIRFFICPAMwbZ0wfXP+4OLhxaM/GX3fsa01HBGQ6CIZgHREt0SE6BAOT375UrXS+qwnUXPQchXzcgapnLK4Ih9ANne9SSf9bTzXtQMVFSI3lpYTyAUqsjje6OBGIw2CLB24mTQqcB6d0kQsXr6Z6Jx7f4T+3t3HGx5lzneweZ59puwFymHCHVq7GzS//KqW4W2oFv+9afGmlmGWWaBxpAvXS4OWigFy94DlXs+ENRweRbYAhCrfBMEAx/pRraTgfTUk/1i6ZhFztm21SKbIX+Tqj+ X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, May 21, 2025, at 12:02, Alexander Potapenko wrote: > On Tue, May 20, 2025 at 4:57=E2=80=AFPM 'Dmitry Vyukov' via kasan-dev > wrote: >> >> On Thu, 8 May 2025 at 18:44, Nathan Chancellor wr= ote: >> > >> > On Wed, May 07, 2025 at 03:30:43PM +0200, Lukas Bulwahn wrote: >> > > From: Lukas Bulwahn >> > > >> > > Commit 852faf805539 ("gcc-plugins: remove SANCOV gcc plugin") rem= oves the >> > > config CC_HAS_SANCOV_TRACE_PC, as all supported compilers include= the >> > > compiler option '-fsanitize-coverage=3Dtrace-pc' by now. >> > > >> > > The commit however misses the important use of this config option= in >> > > Makefile.kcov to add '-fsanitize-coverage=3Dtrace-pc' to CFLAGS_K= COV. >> > > Include the compiler option '-fsanitize-coverage=3Dtrace-pc' unco= nditionally >> > > to CFLAGS_KCOV, as all compilers provide that option now. >> > > >> > > Fixes: 852faf805539 ("gcc-plugins: remove SANCOV gcc plugin") >> > > Signed-off-by: Lukas Bulwahn >> > >> > Good catch. >> > >> > Reviewed-by: Nathan Chancellor >> >> Reviewed-by: Dmitry Vyukov >> >> Thanks for fixing this! > > @akpm, could you please take this patch at your convenience? I have applied it on the asm-generic tree now, as this contains the original broken commit. Sorry for missing it earlier. Arnd