From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) (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 E73EB42F6FD for ; Tue, 25 Aug 2026 12:46:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787661990; cv=none; b=oWu+J9ptV7OTbagN8gNyKPtfVH92RMvu/cgbJbJh0STHMqXsKoNnv0QuZhw0FGh/lMzPioZwaKpPj5Wj4ihrqVCWyUsDAQdNdUDnNoQcx3TCY2sBhHbzLZn74LaiLI4j1QGlYz7TBEMT7LGFSLsTsnx7jo8U88zszKJjVYYY5YQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787661990; c=relaxed/simple; bh=BqU1Ic8cU+MMHqRhWcAr3Ecs9EXpAwYgwQ75xSyoKLE=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=cEm1E9XuuAGzLZ+istN/u6rJw9cW0BIis3cm9XrTcpPHxajaVijR96/6TrwmZyp/zlHc1ujju+GgzZ/j6Su6fSr5ayMUGZnZcz7HPdosUHJW5pbuocd+RPthGiEVQOxyrQBKAsVXYj4Z+P04ZS9cSUoeIilj1Q87xFXWSjK+GzA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org; spf=pass smtp.mailfrom=goodmis.org; dkim=pass (1024-bit key) header.d=goodmis.org header.i=@goodmis.org header.b=PPYMTydy; arc=none smtp.client-ip=216.40.44.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=goodmis.org header.i=@goodmis.org header.b="PPYMTydy" Received: from omf19.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 9FCCC12040D; Tue, 25 Aug 2026 12:46:26 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf19.hostedemail.com (Postfix) with ESMTPA id DFAB420025; Tue, 25 Aug 2026 12:46:24 +0000 (UTC) Date: Tue, 25 Aug 2026 08:47:07 -0400 From: Steven Rostedt To: Vincent Donnefort Cc: sashiko-bot@kernel.org, sashiko-reviews@lists.linux.dev, linux-trace-kernel@vger.kernel.org Subject: Re: [PATCH v7 1/3] tracing: Fix subbuf resize races with trace_pipe_raw readers Message-ID: <20260825084707.4c9cf9f5@gandalf.local.home> In-Reply-To: References: <20260817134750.3909384-1-vdonnefort@google.com> <20260817134750.3909384-2-vdonnefort@google.com> <20260817140812.2C7D41F00A3A@smtp.kernel.org> <20260822110424.346fa3c8@fedora> <20260824105315.27377f30@gandalf.local.home> X-Mailer: Claws Mail 3.20.0git84 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Stat-Signature: tqoiiqzkq57g9q96amgizdiozbddfdfq X-Rspamd-Server: rspamout02 X-Rspamd-Queue-Id: DFAB420025 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX1/Ql7psSTdepk06JSsePqqNUH9uIJPpFGk= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=goodmis.org; h=date:from:to:cc:subject:message-id:in-reply-to:references:mime-version:content-type:content-transfer-encoding; s=dkim1; bh=FuRnyYFQfobBVMPjG0Jfb3M3jATtZ0n/bAFTPvENTr4=; b=PPYMTydyfIlpOxPXGBRhf4dG4qxe0pOALk/F0jEezGkLvFadJvQdh0cllfIFRGr04vOZeuuAQYJVHbCQGPLrZahf/5dGiNBjd5UJdDijJNApoYw3pdLo8fcfa1nQAiGd+k6X/nd+3mQRTMNfqc58/ZWtz3N8uk81VMqvoJRGNVs= X-HE-Tag: 1787661984-183421 X-HE-Meta: U2FsdGVkX1+cSHp7UwrORmGxh4sNFe0SVgWCOUKLTMudVrkZyuYNr+xvlPO9WfwGZewHVqCaLrgM0tTQdIIPvnhQDpbFzZHms0nXJYh4P63YsEcfM5OjFnwYkmRIA6TBJA/lxBABiHC96elq7DHsgHo2DG9uuhabJY+ojryuR4n1ePdh6yu1C7/fO6zHq7I0EKszwe6JHysfQHBKOyQAxsyalUbm0RCdi5JfaMlgggizjsAGrUTpIxWpVcbCmvZKAdG4LoAUTsJ9sgM80GWNxgf349empcjNtholty7oIZJsCpGBiuwaBBxIrNxQC2zRLc9145FV6wjKVtYgOis2A87VdTqKStcZ+H1jMzljcRW7JqUR+9pIbA== On Tue, 25 Aug 2026 09:26:07 +0100 Vincent Donnefort wrote: > > Do you think it is still worth to reduce the window of discrepency between > buffer->subbuf_order and buffer_page->order? Can you elaborate more on what you mean? -- Steve