From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) (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 6D84C472559 for ; Thu, 27 Aug 2026 13:15:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787836517; cv=none; b=DVZZhGZEbXFMhlpXz10YeSNMcD5C1xkHsWrc2LbEfJL7481B+ybqD/kfWsUyRKizfIn5vRVDTOvcsigXR74wAp0BK6pjkRRHMxHBTvPKX6plhTT7SsZQ8ayfCKY0wsq4CVy5srQ1Mum3omIUqxYS6C4RdMcnBYEZXSQNf8pUFH0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787836517; c=relaxed/simple; bh=jR4mRqs32IUcI/m/KbwQ7Vym5B+Z9w2bM9qUGSorNQw=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=E7gHFrUu1AG+p1J6lH7v6bLKxT8lbGosZvLHJg+UdlYJcSwNw91/xY8NnBnCKsU9oAc0Ahlb9NhPQZfKIDZTIojNnHPAVmdaoa4zbIFnLSa45p7iCTa85WaxRDWd0jdOSM/aERC/OCfgL6ilWOEnFPTbtM6R5H5ctBz0/c8J+fA= 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=NCvWKzhD; arc=none smtp.client-ip=216.40.44.16 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="NCvWKzhD" Received: from omf03.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay10.hostedemail.com (Postfix) with ESMTP id AEC85C024A; Thu, 27 Aug 2026 13:14:55 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf03.hostedemail.com (Postfix) with ESMTPA id F35216000A; Thu, 27 Aug 2026 13:14:53 +0000 (UTC) Date: Thu, 27 Aug 2026 09:15:41 -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 v8 1/3] tracing: Fix subbuf resize races with trace_pipe_raw readers Message-ID: <20260827091541.5d03e33c@gandalf.local.home> In-Reply-To: References: <20260826094528.3738023-1-vdonnefort@google.com> <20260826094528.3738023-2-vdonnefort@google.com> <20260826095947.4FF8B1F000E9@smtp.kernel.org> <20260826103736.2b55b464@gandalf.local.home> <20260826143123.1b3e3854@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-Rspamd-Queue-Id: F35216000A X-Stat-Signature: finf3sszcgs4ra44k5w4fxt1pd3g9mnb X-Rspamd-Server: rspamout07 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX1+8bBjpjX1rb7w6M/De5rieedWYuH6n+gM= 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=4rx+Jukd69U71oXhkK+4brjCaBl56wc/fNZAnDqZX4M=; b=NCvWKzhD8HeIKPFs/HWTNtoXZVkZn3mAZ3k1SngPrwLQzmKhcxRRIsiVR+bw14uo5zUN4b9ip4Vy0SFVCfH9plKBICCEYVmt3jIMYlQGXPSI+zRqH0L5KvlWMCN6UAHOguNLvkdi5rD7Z+EJABkLzvnKwj29sW5IRK9v7GvqsqE= X-HE-Tag: 1787836493-618963 X-HE-Meta: U2FsdGVkX19EkAXce3d40tLst0oN3wPKZV7hunF6l4RG3LT5ud9ihlYhdwzfHiK0aRQ10BPDP5CUR9PpH8vNPWN2Ki+B8uLm555FF0fjhS9QvTtPHu1XJCWLJSFQvRPF8F7wro7PkXaQ0kSU9XdO7Mxdd1qXxpk0dkaTqFCVHSu8tqHyuI55+fSKAZZCx+T316qWz9ksfYOEEPXWux6iGgR6rJLsFvKKgB7N1LdNa5+2J0U9AMI8Prsq9aATnT/BaLk4NGpye16WI7nSHxONpXqHcKgXQqYwfGq92iwN02lJ8XBrrEqv2DnbH3l6X6aogqyTSfGzDZHKNYqUa5nOoL8g3LoSJyfATGBHarzwo8ULJ9lTCYT0sQ== On Thu, 27 Aug 2026 07:31:23 +0100 Vincent Donnefort wrote: > Looking at the function again, shouldn't we add !rb_is_static(cpu_buffer) as > well to the full page test? Why? -- Steve