From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 85B3235334B; Wed, 10 Sep 2025 14:50:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757515853; cv=none; b=KrcZf5zyNBIKfXETH1mZU8JcwNBAX82rbpZf1SpmVeKhwA8GgMYv+lFDRnIZDeQ6AzzDg49wBB25GX04wc4sJ4fNRXTKpMNF07o5rAATeJ2ijBJMYp5poey+kZoLPsYV8D+IsCvAp+9RZs6Z1HC/wWS2VO68Spt1JvZo8FuQwF0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757515853; c=relaxed/simple; bh=DJptd2zjz28L10C0JfTENFJ7zo1YVNAAOo/+zOOeXu8=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=As+lvgWZdadjBO83rBRglb/LfqymlsCxxbusVaveT+fDhhnPLPzycFzDqbmoJwVCrhZcRVaQsmaTINSjwWRMadnI4baQbmdpgjhYWEAQJXXBhiWsAfDXbXEnhVbH2Kvchgali0A6UH4uE0ESibJ6tNXYwj0H08Z4on2z+Z8G89U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=lQikHWe4; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=5M+9Xa76; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="lQikHWe4"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="5M+9Xa76" From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1757515849; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=NxEWlS+AG6TfpOIhmnMfpD037DMEs6bTLT6xRjibUFU=; b=lQikHWe4wkB1v9hpe3EhDjzyKRK5otgG6msDwIaSiaZBCCQIjZw/KK8f0B4kv4TTekNiRK SQuv9mjUz9ZUJh/Nr7tHvj4cx/DIbV2qNJLr2LzjnW9Z2wWSGx+LDan+VvpkHnnsid91f5 Hu0mUsEHjkRQD5JemaLC8WBNb/Cm9p3/8MWueWcGxL4jfAm1tVjEZRsRmaUZsmC4szto/H 8SJEXOXNvdUQhUV2R6VBDvZfnUsHTLOUxhDZLHDNqnP42QI1I3x2ghPYo0J1MLo9fmCcAk ntYWy0FJ57FFXlJKL7Q/GG+zISN5WmyodREzd7RJI274VWVlSaPVtDpbb6/Vuw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1757515849; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=NxEWlS+AG6TfpOIhmnMfpD037DMEs6bTLT6xRjibUFU=; b=5M+9Xa76PKfE2O4m3bELqoh/C7E2WN0BYOmRPJa6GOUGRbYDWSabnqhH6K1BW5KivlRuEc U69vKoKQRib65VCg== To: K Prateek Nayak , LKML Cc: Peter Zilstra , Mathieu Desnoyers , "Paul E. McKenney" , Boqun Feng , Jonathan Corbet , Prakash Sangappa , Madadi Vineeth Reddy , Steven Rostedt , Sebastian Andrzej Siewior , Arnd Bergmann , linux-arch@vger.kernel.org Subject: Re: [patch 00/12] rseq: Implement time slice extension mechanism In-Reply-To: References: <20250908225709.144709889@linutronix.de> Date: Wed, 10 Sep 2025 16:50:48 +0200 Message-ID: <87ecsetl87.ffs@tglx> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Wed, Sep 10 2025 at 16:58, K. Prateek Nayak wrote: > On 9/9/2025 4:29 AM, Thomas Gleixner wrote: >> For your convenience all of it is also available as a conglomerate from >> git: >> >> git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git rseq/slice > > Apart from a couple of nit picks, I couldn't spot anything out of place > and the overall approach looks solid. Please feel free to include: > > Reviewed-by: K Prateek Nayak Thanks a lot for going through it and testing. Do you have a real workload or a mockup at hand, which benefits from that slice extension functionality? It would be really nice to have more than a pretty lame selftest. thanks, tglx