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 C962019CC02; Sun, 21 Sep 2025 23:33:54 +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=1758497637; cv=none; b=PUXP1ak4fvpN7eeH435jeK1BCbPqHiS8+zUfZP9l0JDgpVn5SqxW1K+tqmZiibgz+a4xhiSHCbj+6Z09ShfIKaeGwy+4HMC8O+mhqBn4rLUri4bC2KzdMDsxPKro3w5Fz1MftgctzBeGjJnefbteYYP5m61w+6B26T6xWEmpYgY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758497637; c=relaxed/simple; bh=Yf3UQklLmhe1vv51Dn6kgpYDqK6rXBdXw1BYHLIUJIw=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=PtKbkr0UrbiM3ANO36D2eLkvR4dW5cUVa8Xv1bdcCZWjJNg61KCDmBRTUL1oFBsrjVVDWA6bybrL0T9a27zOBEQYkXXkXtDRAx0vnsjdKWhgYp7MHo4vaetOLaCM8g3O8I2w1wWMx1UDef46IhAjfmk6Vuf99L6uXE79zjygUL8= 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 omf05.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 19965C0405; Sun, 21 Sep 2025 23:33:46 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf05.hostedemail.com (Postfix) with ESMTPA id D2DBE20011; Sun, 21 Sep 2025 23:33:41 +0000 (UTC) Date: Sun, 21 Sep 2025 19:33:40 -0400 From: Steven Rostedt To: Josh Poimboeuf Cc: Peter Zijlstra , Steven Rostedt , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org, x86@kernel.org, Masami Hiramatsu , Mathieu Desnoyers , Ingo Molnar , Jiri Olsa , Arnaldo Carvalho de Melo , Namhyung Kim , Thomas Gleixner , Andrii Nakryiko , Indu Bhagat , "Jose E. Marchesi" , Beau Belgrave , Jens Remus , Linus Torvalds , Andrew Morton , Florian Weimer , Sam James , Kees Cook , Carlos O'Donell Subject: Re: [RESEND][PATCH v15 0/4] perf: Support the deferred unwinding infrastructure Message-ID: <20250921190956.0709dfff@batman.local.home> In-Reply-To: References: <20250908171412.268168931@kernel.org> <20250918114610.GZ3419281@noisy.programming.kicks-ass.net> <20250918111853.5dc424df@gandalf.local.home> <20250918172414.GC3409427@noisy.programming.kicks-ass.net> <20250918173220.GA3475922@noisy.programming.kicks-ass.net> <20250918151018.7281647b@batman.local.home> X-Mailer: Claws Mail 3.17.8 (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: mh6isozgpb7fnk9p8zx3hazq3uig46iq X-Rspamd-Server: rspamout07 X-Rspamd-Queue-Id: D2DBE20011 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX18+d36eC/qktbvrhxTA9YT6i/6m3FQ+OTM= X-HE-Tag: 1758497621-436331 X-HE-Meta: U2FsdGVkX18yJnjfWuD4l8P/8kQQLBF7dpWHFBcLfLM7PszIA87E/ipUCOOv654S7jhQpIuL4mINNOnscFa2w2ZnVbx3VPvobiTSJLw0WkRpqM1YubmwCp9RflyzSlC9PkUcp7jKaNfl/Ph4qgx0JCh87EOmtwJx3ef1YfSAESQ34PIczQQDVX7m9416fLhjqn7HZ7CTO+AHkYr6DEcf8PQxK+7XhqRE2XF9Ludqww4bOjyC2n71nZT6pEhct6/6iML0im6izcWGhuNr2D5QAgLtQ8foUfzSWD//jKXgpWuucBvcWFEZvVILff/9TclOAyVkSSXvu0Np2Kk8yKMTHf7H2GVZP9mmhe/FBjmSFTQX97Q+FsvTOZe4LUc1akYMAPUOavgcuF/dnVNLLTOrWw== On Fri, 19 Sep 2025 16:34:02 -0700 Josh Poimboeuf wrote: > > That does look like that would work as the way I expected task_work to > > handle this case. > > BTW, I remember Peter had a fix for TWA_NMI_CURRENT, I guess it got lost > in the shuffle or did something else happen in the meantime? > > https://lore.kernel.org/20250122124228.GO7145@noisy.programming.kicks-ass.net Yeah, it did get lost in the shuffle. I took the code from your git tree, but missed the comments that were made to the patches you sent to the mailing list. :-p Thanks for pointing this out! -- Steve