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 3A2191F03FC for ; Tue, 17 Dec 2024 12:56:32 +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=1734440194; cv=none; b=OrHsYcmJ6huTshV77O2mS7vnAqYDvKVdG4/MXG7shQPzaJOBoOLj4aXylwhhnPXvO7yZiIWlMCZQukHqCRkbb/LUMStABBZ80XFm/u4b8Ng5yfiizkgRPpjh5nBOU+J/rtqOhPOFbRAOxojCKHhjDai/sLy/aEwfrtlABEV3Ezw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734440194; c=relaxed/simple; bh=AFCjjXCxlKJe3fVfBvFowKGpIMwsBsx6alDGaTz8iIM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=stGvjK1i8F/nd/+32cT3z6gTk1bPYyEuXYaoUO9p4gufrB1rye04v3vkFKwYgKMSTAp89IGZD4mophFnT4xvf3f8hqZHY8yvVZDEmpSQh8pRHwTsv79Y9Eef+MyADFNGVTKH7h8i3jPQy8U+v+levTkmomH0E/sbRR3u2vkVtVg= 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=nMsWL/eR; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=B7InoJRD; 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="nMsWL/eR"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="B7InoJRD" Date: Tue, 17 Dec 2024 13:56:30 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1734440191; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=B87wKrk8z3c3w6NKCAFepzxx167xsHMqu35UhQnDGMg=; b=nMsWL/eRXJKu3QQzF9MUtoqFz/IsDgOEWaz9YgB4ClwadBL7A64GOlk893szg6TMQZy0th rSi1gOvxtFf+4jUJEVbl37dt6km5qORK+TbB6SAlFVIGAV7ytgZOdmPJM7DL2gpLa3Q1Jz 1BMvIqkWYQAtZmMZm0IgNd+0fO4VL1miKjXZax7DOMzD54uVBRtprGKqEcA+hdw/GqWYIF Pv2FvtiDERy8iELLscJG+rsnkxY8tLhE9j89OzOhwDfsrI2GTLrctJr2c4W9E+qKpzRuSM hNF+vDnMNvARJ5V1N0rnilJd45fyNGzPNDfYBAM02tXpTvn4IN9f4MaIsSguow== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1734440191; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=B87wKrk8z3c3w6NKCAFepzxx167xsHMqu35UhQnDGMg=; b=B7InoJRDcczd3xfuiev6paDQkhFPCmn5xUhMOix0rmdaQHJOiB+hijVCL3BZuKpKl6CAzb 4L9/wfSFHZLwYlAg== From: Sebastian Andrzej Siewior To: Mark Rutland Cc: Petr Tesarik , linux-rt-users@vger.kernel.org Subject: Re: Lazy preemption on arm64 Message-ID: <20241217125630.EfJm0MX0@linutronix.de> References: <20241216190451.1c61977c@mordecai.tesarici.cz> <20241217073151.5aa2352a@mordecai.tesarici.cz> <20241217085031.Wh45Bd2r@linutronix.de> <20241217115931.wjw_HO2V@linutronix.de> Precedence: bulk X-Mailing-List: linux-rt-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: On 2024-12-17 12:23:18 [+0000], Mark Rutland wrote: > Yep, I had that in my HACK patch: >=20 > https://lore.kernel.org/linux-rt-users/20241217115931.wjw_HO2V@linutron= ix.de/T/#m12eece66786a3a207e4e952bdf58570ab75c6a89 >=20 > ... so it sounds like we're on the same page. :) That is great then. I somehow accounted this for the KVM bits but you have KVM_XFER_TO_GUEST_WORK so it is all good. > > I would appreciate it. However if there is reason to delay it I could > > hold to it for some time=E2=80=A6 >=20 > I'll try to spin it as a proper patch later this week (and will Cc the > folk here, along with Jinjie, etc); it'll be up to Will and Catalin as > to whether they're happy to pick it up, but given it's small I suspect > that'll be fine. Okay. > Mark. Sebastian