From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-dy1-f198.google.com (mail-dy1-f198.google.com [74.125.82.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ADEE45349CF for ; Tue, 13 Oct 2026 18:26:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791916003; cv=none; b=kCbzUzjbX9fe6FBB//cDV/Uc/1l0ae6UmyLuYbHRktTMYp9+F6FE77P8D/EKHroqd8eiXQlIKq8VGrzuHrwvnUudrxdZJnPK1/6/4EM9lKnF63e7cwnwGrHwLj8xVe43AQ/cpmH+RTDMaEkc1Cyq/ji13IvbA3tBSJPvdjU7UT0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791916003; c=relaxed/simple; bh=CMzWLsSvUBuoBzjwvp7EGGHEbhbirK0Kv2OvNgP3qM8=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=KEVjBWh9ij0Bas49tCkpIa+vUj2ZCBfhtG/++OKR446D4vPKq6/EAE1VZt5zaN7MvyPzaRkMjBrfWR+ZH33eE1v9Pc45Dd5zqDWU7rpeF93eb2mGw4FCk3k6G60D7X82HKRGQe8uU7RdwgV+TMbszJLNKswmoZC+o1u6tDOYhjw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=OTi8Naee; arc=none smtp.client-ip=74.125.82.198 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="OTi8Naee" Received: by mail-dy1-f198.google.com with SMTP id 5a478bee46e88-3548cdfd2fbso5208760eec.1 for ; Tue, 13 Oct 2026 11:26:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1791916001; x=1792520801; darn=lists.linux.dev; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:from:to:cc:subject:date:message-id:reply-to :content-type; bh=F3HbwDarhrHxgEfaQxuccmNcSi/54Dhir4/ZTP/Ma6I=; b=OTi8Naeea4rRAgKzYdgEjXZXaRWSVmXc2vLu1ttMAQKNK0ukpT5KQK0P/qaNzx52aV qmvGS0nxwLhMNVolrKM+raqXX5lVAJJkLlmzGP4uFxZQ2+kUBiTSClqJd61bklenwFiX cKe8+sOZLe5cAqu/lOe4zVETWQFYiMnQ18iLHyEqyl3GPoojVI+2bydjfaQQtacriiAv yJpct7ZpRk3E64JQIpysTHAEK2DLvqdI5k5g8FrKHQh1tfezRJhz8DibGY+L9t1xPimY QB7by5AcWo8HPYy/3WUfDP601hvjoYx3xZK3adSL14Ti/lHPGTSo1SM02BwB50WZp+1T 98vg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1791916001; x=1792520801; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=F3HbwDarhrHxgEfaQxuccmNcSi/54Dhir4/ZTP/Ma6I=; b=cr/fgDhsKbZvRvIlQE9vXhiRj0frOdFmoF1Lox3LCFQdlUfiCguu5UJe/nQA3Zw6cW dvT/KhUXZJ6yT5t6pWKqxcamx5cAtFzzpiQwjSoeZ9o1uKnZqzQCfCKltI1lqPCsBHRR s7aS6LWGdXLtR8N8bVAC3RoxRT9Jhgyy4xMFbYgggPFJDMUY7YtX6z8ltRPi4aB43Fk7 PZ4hrzI4c9pBShCFX0l8rp7XvuEegg+P5D0BY14uZRaO6aKLU94brf9E4DMksHAGu3gX y3gFiXyIXhlZnxHR85leuvVPlMaIHWNoaz9A562ugcp0X4cj/bImFPxckG37HTsfWUgX qCcg== X-Forwarded-Encrypted: i=1; AKwUvBzchb5gmpEcKhSl59iBvy84zJPrl8KmaFrwxYz5ljGe+SgEsavivnLdDZJAZ4yo8qKIORRN@lists.linux.dev X-Gm-Message-State: AFq9FYJZv6x7EvdUSH3pR+UFw/QJCEyes8V5GiPCxNRXc1n/Wb96UT7J bs9gu/TFsvOnlT7GbgierOomWFyDADS+XB/32DAUbEWqNKpynJFzSJQ+cySqU9lm5vm7dmRFpZv CpMbKhtwiNQ== X-Received: from dyng35.prod.google.com ([2002:a05:7300:7f23:b0:352:3ca9:9a5b]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:693c:810f:b0:356:a044:b194 with SMTP id 5a478bee46e88-356a044b1e5mr16397097eec.39.1791916000286; Tue, 13 Oct 2026 11:26:40 -0700 (PDT) Date: Tue, 13 Oct 2026 11:24:53 -0700 In-Reply-To: <20261013182458.1234616-1-irogers@google.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20261013182458.1234616-1-irogers@google.com> X-Mailer: git-send-email 2.56.0.385.gd3acb90ef8-goog Message-ID: <20261013182458.1234616-6-irogers@google.com> Subject: [PATCH v1 05/10] perf build: Enable additional Clang thread-safety flags From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Marco Elver Cc: Bart Van Assche , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Lorenzo Stoakes , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev Content-Type: text/plain; charset="UTF-8" Align tools/perf's Clang thread-safety flags with the kernel's scripts/Makefile.context-analysis by adding -Wthread-safety-pointer, -Wthread-safety-beta, and (when supported by the compiler) -fexperimental-late-parse-attributes. Assisted-by: Antigravity:gemini-3.1-pro Signed-off-by: Ian Rogers --- tools/perf/Makefile.config | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 39442577418e..d536203ff42f 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -64,7 +64,10 @@ ifeq ($(CC_NO_CLANG), 0) endif # Enabled Wthread-safety analysis for clang builds. - CFLAGS += -Wthread-safety -DWARN_CONTEXT_ANALYSIS + CFLAGS += -DWARN_CONTEXT_ANALYSIS -Wthread-safety -Wthread-safety-pointer -Wthread-safety-beta + ifeq ($(shell $(CC) -Werror -fexperimental-late-parse-attributes -E -x c /dev/null >/dev/null 2>&1 && echo 1), 1) + CFLAGS += -fexperimental-late-parse-attributes + endif endif include $(srctree)/tools/scripts/Makefile.arch -- 2.56.0.385.gd3acb90ef8-goog