From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 792042153C1; Fri, 1 Aug 2025 20:38:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754080716; cv=none; b=eLwHFmGrGBfAqhqa35YvH1MvCz/wzF3xkvjQeo0TK7RwJiZZQaSJI1t7c/prjzH7X3nCSF/RbhVUxdrD/SrsiWV3b9XBx86EB8gF+N/1UCDTov8mtRXnOD4/Z3BFVxOXst3O0QD/QNhr4219qp3Mcv+ku/plsjNP6tWHdGY0ig4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754080716; c=relaxed/simple; bh=nDxsBCHCQu8MBsf5iftU3Rf3IAMDt/R09xhx4+Q+U3k=; h=Message-ID:Date:From:To:Cc:Subject; b=o9H69ncW1XKdobv2St8h/m/DYfzzEBYJHI+2adyLEnjt0alLQThKI2b8nv0pa1sY+noa0LwhLPm1Z2MqJfsmfUMUfnBdS7/pZso5m9MhPO4eEO/XXaC0E3F+olIrps5tDW7Zez8qHpD3t63fzTGNFBuNz0vxliZY1Xz2IKKzSA0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZO8Wfou0; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ZO8Wfou0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 25DBDC4CEF4; Fri, 1 Aug 2025 20:38:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1754080716; bh=nDxsBCHCQu8MBsf5iftU3Rf3IAMDt/R09xhx4+Q+U3k=; h=Date:From:To:Cc:Subject:From; b=ZO8Wfou0ALyzV29VeMxHFakPK/thVibaNxkeowmwrc6xh3x/lr76MxHWe5H+NYdkZ J6tvlmFBblH2F1klWIrU10iWMS0Red033ofHwm6+KyibcSvF+GENRHyoiHKn/yFtdU EwOX8Oe5/RDR0cy9O9EAprMjoCOZFQy7lLx3+8mL7dsAUBLS9zF6rEOGZBp+Sx3UKn YOcyT60G4qLzGxrO1FellpACnjnfbL5BrsfBq2ZdP3s7KYq2UrWuwGtgOVCakXu7G9 XDFUBppkkMgYBmnZYkYQCozWNWL4lJtnocMxNtyhz+Si38G3VSyAaA6QZqWE/doq04 syJO6ST40cnMw== Received: from rostedt by gandalf with local (Exim 4.98.2) (envelope-from ) id 1uhwWn-00000007jZ4-28xx; Fri, 01 Aug 2025 16:38:57 -0400 Message-ID: <20250801203722.072085868@kernel.org> User-Agent: quilt/0.68 Date: Fri, 01 Aug 2025 16:37:22 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton Subject: [PATCH v2 0/5] tracing: Cleanups with use of guard() and __free() Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: This is a cleanup to use guard() and __free() where possible. Changes since v1: https://lore.kernel.org/linux-trace-kernel/20250801142506.431659758@kernel.org - Do not use guard(preempt) for trace_event_buffer_lock_reserve() as that returns with preemption enabled between the disable and enable preempt. Steven Rostedt (5): tracing: Remove unneeded goto out logic tracing: Add guard(ring_buffer_nest) tracing: Add guard() around locks and mutexes in trace.c tracing: Use __free(kfree) in trace.c to remove gotos ring-buffer: Convert ring_buffer_write() to use guard(preempt_notrace) ---- include/linux/ring_buffer.h | 3 + kernel/trace/ring_buffer.c | 16 +-- kernel/trace/trace.c | 287 ++++++++++++++------------------------ kernel/trace/trace_events_synth.c | 6 +- kernel/trace/trace_output.c | 17 +-- 5 files changed, 114 insertions(+), 215 deletions(-)