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 AC4062DECB2; Tue, 18 Nov 2025 18:20:38 +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=1763490041; cv=none; b=sGYMSnYJG97Z9q5X5S0xklQdgno+qe60UEV+ePtOeDSVhfQWXrWBn/0Zc7w3GLf7yrnzd6DHhKL7NRNX2W3tK+fqRyMKTQ629ZNhb4lSMdWml8KKNy+8OKe61ifTtXRAQP6ZY2i4x2dhwG5ohcpSXbAft6gehKq8l7+rPmtnPWA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763490041; c=relaxed/simple; bh=WU7pJxxMB4yWIoeiC5OtbzY5ZJQTT3Yx5r/pAgcliK0=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=peeANbMRiOKX9b2wosjyhKrapNtWR1qEbtk06EnV6oNgeltNNGRvXgyg1xxqklLqecKZHd/o5ulQfxmnQsiaN24erSP0qim9mgy+47JmSVm3XbQwJ3+uIepIkD9MrJcI6ii51PPMmM9To/IVdtEokCyGZRqwY4mMdZhwamDyrps= 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; 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 Received: from omf18.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id C44071A0104; Tue, 18 Nov 2025 18:20:30 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf18.hostedemail.com (Postfix) with ESMTPA id 2B1882E; Tue, 18 Nov 2025 18:20:27 +0000 (UTC) Date: Tue, 18 Nov 2025 13:20:54 -0500 From: Steven Rostedt To: Josh Poimboeuf Cc: Puranjay Mohan , Dylan Hatch , Song Liu , Indu Bhagat , Peter Zijlstra , Will Deacon , Catalin Marinas , Jiri Kosina , Roman Gushchin , Weinan Liu , Mark Rutland , Ian Rogers , linux-toolchains@vger.kernel.org, linux-kernel@vger.kernel.org, live-patching@vger.kernel.org, joe.lawrence@redhat.com, Puranjay Mohan Subject: Re: [PATCH v2 0/6] unwind, arm64: add sframe unwinder for kernel Message-ID: <20251118132054.24b1e90e@gandalf.local.home> In-Reply-To: References: <20250904223850.884188-1-dylanbhatch@google.com> <20251117184223.3c03fe92@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-toolchains@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-Server: rspamout04 X-Rspamd-Queue-Id: 2B1882E X-Stat-Signature: 4dg4q9e3i98613o4pzr1fujz6rhkcmq1 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX18fXKEMTuE3xfSIbkHTDC3RX+YzB6Ci88k= X-HE-Tag: 1763490027-988240 X-HE-Meta: U2FsdGVkX180p4Cmw7X12nBF4/qn5s7bImiMYQIf1CRppFI4Ws/pNWvXaouPaOGkfxEgdaJ+mI+9KX9zMNK9i95/jEDx63giR3lMPqCStG1nGWAXvF2pE/VlZ1UzgmKT98ImpBVg8DLR6+Y72g66JNsg6fMPfNtwOjpeNlQzC/fvjSGwhGJAhA7PPOsvErN+10wdD5+qEeqgMsn02aBKEAU2WMBTBrd2cXl9tO+FhKFKsLSkvZkm0As08FF5eHAulXlAjj7hCe//fu2p4U6Dikl7o4MjyS6Cht6aKBT7Uzx6qvYyAbP0PdfuX0e1oYpNG9k4W9JalJWkwIAD/ClXwnBCpl8V+guN On Mon, 17 Nov 2025 21:18:41 -0800 Josh Poimboeuf wrote: > > > To fix that, I suppose we would need some kind of dynamic ORC > > > registration interface. Similar to what has been discussed with > > > sframe+JIT. > > > > I work with the BPF JITs and would be interested in exploring this further, > > can you point me to this discussion if it happened on the list. > > Sorry, nothing specific has been discussed that I'm aware of :-) Right, the only discussions have been at the monthly Sframe meetings about needing to be able to handle this. But the actual implementation details have not been figured out yet. -- Steve