From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) (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 46EAC259CAB; Thu, 19 Jun 2025 08:39:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750322348; cv=none; b=XQfSTTTQJzmYbSLyU8lE5phXoaJe2kfL0hUaZwATI2U1xfW4Mkmyq4OAAgCzi7pHl5HvGkxqCSj3kljl8dUiJidgUukQLYI/uFH+mD8yuyx+eIa0p9v7JHfyokiqDfB+w98SbdB53YXc5VO2uIuZsheOT7d2QpsAW+IJiVOixe8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750322348; c=relaxed/simple; bh=3Huv7ZPDqkEecfnLz3oTSOVlSGhouvQtnTutmfxhBuw=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=qW2XzTT9LY+H9YMxkzXre3OdSU21GGutPafNVr5Cv0EYbV6MiY8OIJjtECp7Fnf/o23O2Ui5bTNT1CXv74tsWh96YKhC5XXGQy3EamSGjUFQVrbAREMgg65wk1GpB6R2wiTbL1CJQ3djXSmFmm3Uug+rZowPXiTmTF44Jvory5k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org; spf=pass smtp.mailfrom=goodmis.org; arc=none smtp.client-ip=216.40.44.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Received: from omf19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id A7FE080688; Thu, 19 Jun 2025 08:39:03 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf19.hostedemail.com (Postfix) with ESMTPA id E66A720028; Thu, 19 Jun 2025 08:38:59 +0000 (UTC) Date: Thu, 19 Jun 2025 04:39:05 -0400 From: Steven Rostedt To: Peter Zijlstra Cc: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org, x86@kernel.org, Masami Hiramatsu , Mathieu Desnoyers , Josh Poimboeuf , Ingo Molnar , Jiri Olsa , Namhyung Kim , Thomas Gleixner , Andrii Nakryiko , Indu Bhagat , "Jose E. Marchesi" , Beau Belgrave , Jens Remus , Linus Torvalds , Andrew Morton Subject: Re: [PATCH v10 03/14] unwind_user: Add compat mode frame pointer support Message-ID: <20250619043905.151d7f63@batman.local.home> In-Reply-To: <20250619075103.GV1613376@noisy.programming.kicks-ass.net> References: <20250611005421.144238328@goodmis.org> <20250611010428.261095906@goodmis.org> <20250618134758.GK1613376@noisy.programming.kicks-ass.net> <20250618111840.24a940f6@gandalf.local.home> <20250619075103.GV1613376@noisy.programming.kicks-ass.net> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: bpf@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: fb9zfdjrcr1djziti1opsxbup7bunpp6 X-Rspamd-Server: rspamout04 X-Rspamd-Queue-Id: E66A720028 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX1+m7jQXYGP7iliC8RTJexUJZkESXpNRGiw= X-HE-Tag: 1750322339-171143 X-HE-Meta: U2FsdGVkX1+WUuekhZmNCRTsM6ZfRq8DEQqOHEcVlEKwwjPLNFYw8ANaBzM3AdW9iJoHWvIbuXUSeerxBPiTPkSCu9cdZtSq8BD0VbDJOJhWoaRwMN0Z0gRMRM5YyARVhzWthTunsGQf+f2/x73QWWLztxQW+3CcDXN8tD79SGAmxQEqAgLiv6fIaqA7TRIWOLvHStT00dANm/chZlbLZkBIuZxJvTj1XuB0km4rtYQpKOT8ulWPoxFvbC2Y7ZTFnTaVzQbyJlj/hWjWJPPBh0tyNyL9B08TWUPwOnMw54pLLYapjDqy0SGax97sJt7WB/0GG5fOzuiie2Na7k7lguco2qj4ALrAUrCT3x59BcIezHQxyWftQ6KEcd51n2cUWFYLPPxWXC0zCHhwlwCmy1vbQ3VOP9lYdq6x0GR8pig= On Thu, 19 Jun 2025 09:51:03 +0200 Peter Zijlstra wrote: > > > > > > The purpose of these arch hooks is so far mysterious. No comments, no > > > changelog, no nothing. > > > > I'll add comments. > > How about you introduce the hooks when they're actually needed instead? OK. Then I'll move the hooks to the later patch. -- Steve