From nobody Sun Feb 8 13:28:10 2026 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3DAAF13F430; Mon, 25 Mar 2024 11:28:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711366126; cv=none; b=bHbBVK4035oVbXRwhoAuL9sEuIBdv9uDYZquXWeqK/8OWTK7wnDL/wOzQPU5Nng//E0fhv4E5Rjr3ARqH7txE7yWiGITXlKJ5KMKwGcLlSAYo4HjLPtsVrPEylMo77kFJXRaiM7ezqvG6Xx5kZLWX0uGEzROfT1VBjaDeCf0Ek8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711366126; c=relaxed/simple; bh=2rwxddtj3yOG6B2R5ZMOdQPivt7/Ol/n5eGgMzZTDK4=; h=Date:From:To:Subject:Cc:In-Reply-To:References:MIME-Version: Message-ID:Content-Type; b=hFMc1JHn/S8EZsOfbol7Jmqmqc5tojYbazsUrlIH/xeWZMZldUbS0CF2uXzq09AR3ydV1DcfHKEn+njLBkbdiS2ZJbE5u78QLz2N0cxE614DFC9FDFBSEoBQKaNfw/ucLrR9ovfyEirc3N4kFDsw01atGwzOVeYTwQ5OFq48LXg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=Sj2cZpng; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=ZNLb7iH2; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="Sj2cZpng"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="ZNLb7iH2" Date: Mon, 25 Mar 2024 11:28:42 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1711366123; h=from:from:sender:sender:reply-to: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; bh=lyE7b6MJootJgH2uz/UZNzWuWFQTuIzWO7AqbPTf290=; b=Sj2cZpngym+qCiUZ9rsXCYlaj6z8DfSadh/DniTAjKzT9VisNrpfKEQg/RzXODvMv4/a0C 2xYWCcFbxJXPmy89TwQ1TjBWUHT0pFe1Z+0C7q/uDHzhIWt/n/yyNCIT46jMFxtgoOwWvJ PW3gVs75poKs923r4nTKrf2Jr/qlQ0BFm+0WTQJNYagQ9I0rXCyLbrO/GCdu9wWHPVaoHb 5kYh+/5ZYy+LEh6+ZBb44fnJ8YfGls87iYC//PluE0meJrKP9eKfJX51vOxWbtjQSVG1HK nHkY+FKsi1OFQH+c5CdeoEuXwW4g+7lXBAosPGIXhIwzeOLCphfUIh2/NG7oxA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1711366123; h=from:from:sender:sender:reply-to: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; bh=lyE7b6MJootJgH2uz/UZNzWuWFQTuIzWO7AqbPTf290=; b=ZNLb7iH2H+xbL9rGcPYjRzbsBlg4r9y/4HqzSZn5OvsqYkz6pvkNFRLhh27j9ltoJlg5w3 RgXOxVlw6AHLzPDA== From: "tip-bot2 for Uros Bizjak" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: x86/urgent] x86/percpu: Disable named address spaces for KCSAN Cc: kernel test robot , Uros Bizjak , Ingo Molnar , Linus Torvalds , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20240325110128.615933-1-ubizjak@gmail.com> References: <20240325110128.615933-1-ubizjak@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <171136612274.10875.5644483747839154488.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Precedence: bulk Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable The following commit has been merged into the x86/urgent branch of tip: Commit-ID: b6540de9b5c867b4c8bc31225db181cc017d8cc7 Gitweb: https://git.kernel.org/tip/b6540de9b5c867b4c8bc31225db181cc0= 17d8cc7 Author: Uros Bizjak AuthorDate: Mon, 25 Mar 2024 12:01:09 +01:00 Committer: Ingo Molnar CommitterDate: Mon, 25 Mar 2024 12:17:01 +01:00 x86/percpu: Disable named address spaces for KCSAN -fsanitize=3Dthread (KCSAN) is at the moment incompatible with named address spaces in a similar way as KASAN - see GCC PR sanitizer/111736: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111736 The patch disables named address spaces with KCSAN. Reported-by: kernel test robot Signed-off-by: Uros Bizjak Signed-off-by: Ingo Molnar Cc: Linus Torvalds Link: https://lore.kernel.org/r/20240325110128.615933-1-ubizjak@gmail.com --- arch/x86/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 39886ba..4fff6ed 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2439,6 +2439,8 @@ config USE_X86_SEG_SUPPORT # with named address spaces - see GCC PR sanitizer/111736. # depends on !KASAN + # -fsanitize=3Dthread (KCSAN) is also incompatible. + depends on !KCSAN =20 config CC_HAS_SLS def_bool $(cc-option,-mharden-sls=3Dall)