From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 812A8C38A2D for ; Wed, 26 Oct 2022 15:01:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229726AbiJZPBH (ORCPT ); Wed, 26 Oct 2022 11:01:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233714AbiJZPBG (ORCPT ); Wed, 26 Oct 2022 11:01:06 -0400 Received: from wout1-smtp.messagingengine.com (wout1-smtp.messagingengine.com [64.147.123.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 206D919C04 for ; Wed, 26 Oct 2022 08:01:02 -0700 (PDT) Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.west.internal (Postfix) with ESMTP id D52573200708; Wed, 26 Oct 2022 11:00:58 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute3.internal (MEProxy); Wed, 26 Oct 2022 11:00:59 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kroah.com; h=cc :cc:content-type:date:date:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:sender:subject :subject:to:to; s=fm3; t=1666796458; x=1666882858; bh=R8SdYytk0Y AxsYDoG27dR+UZtI0e2P7IhwxUIVR0jco=; b=qaQGIiGWZcH/qyNAUaDFyVic73 aLY70JB2MS8fzHfoAx+OiTWSefwcmZgy3EQkugFtCXpySKZt3kFOqaMK0YkXSbOz Ncsar8oikbCVPxMqEKJjI91EF0/S+EbDV7+X9PKvmzKb8S1WVNZft8WhL6+1geB3 vEaodwPvUZR+QvC4Qya7eq01Pw70P1/Q9jcN6aOzM8lPtsjMxetcXl4jR0cBws8e Lxz3AJtqULvTEwRfGLO7OuTifgth4rHXb2ZL0gP0b4OzPs8aHKgVyRhHo0Wo0jOP kBrudCzTyp3FWd/p5lkMYfLXeLmGeXeLg9MXnXtLshk12fubE1iu44/KHThw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:date:date:feedback-id :feedback-id:from:from:in-reply-to:in-reply-to:message-id :mime-version:references:reply-to:sender:subject:subject:to:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; t=1666796458; x=1666882858; bh=R8SdYytk0YAxsYDoG27dR+UZtI0e 2P7IhwxUIVR0jco=; b=dXYc7kNCd7K49HRkhn41lB/waimnHZyns0K+QZHg/OW8 YAgIIoURlsvgho3Wpr4AlMjmj4D6+CwReQajKpFC8VvispC5ORyxAKJabwCXINJ9 hRbLH6/2AatC86tddu1Nt7oqxqSYk8eA+z0634cK/f5sPoDsg5mkkh//VBkLp4AB EYRaIrk8NN50JiD+CDmO0Ye7fOC4pyhO+8BcYpxQubYM77LPxkVTkesF/0ylkZjQ b1Kxl4y880+/3e+5U/Z9cvw4wZMgV93vvm1WLzo7dVTwEZXOosqWP61RBEkh/u7x vsugHJRUpUQgv2DQkUNmzH/lzCSm2gWe5AN547I3FQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvgedrtddvgdekgecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpeffhffvvefukfhfgggtuggjsehttdertddttddvnecuhfhrohhmpefirhgvghcu mffjuceoghhrvghgsehkrhhorghhrdgtohhmqeenucggtffrrghtthgvrhhnpeegheeuhe fgtdeluddtleekfeegjeetgeeikeehfeduieffvddufeefleevtddtvdenucffohhmrghi nhepkhgvrhhnvghlrdhorhhgnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpe hmrghilhhfrhhomhepghhrvghgsehkrhhorghhrdgtohhm X-ME-Proxy: Feedback-ID: i787e41f1:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 26 Oct 2022 11:00:57 -0400 (EDT) Date: Wed, 26 Oct 2022 17:00:56 +0200 From: Greg KH To: Adrian Hunter Cc: stable@vger.kernel.org, Peter Zijlstra Subject: Re: [PATCH 5.15] perf/x86/intel/pt: Relax address filter validation Message-ID: References: <20221026120709.3866-1-adrian.hunter@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221026120709.3866-1-adrian.hunter@intel.com> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Wed, Oct 26, 2022 at 03:07:09PM +0300, Adrian Hunter wrote: > commit c243cecb58e3905baeace8827201c14df8481e2a upstream > > The requirement for 64-bit address filters is that they are canonical > addresses. In other respects any address range is allowed which would > include user space addresses. > > That can be useful for tracing virtual machine guests because address > filtering can be used to advantage in place of current privilege level > (CPL) filtering. > > Now for stable because a side effect is that this also fixes > address filter validation for addresses in kernel modules. > > Signed-off-by: Adrian Hunter > Signed-off-by: Peter Zijlstra (Intel) > Link: https://lore.kernel.org/r/20220131072453.2839535-2-adrian.hunter@intel.com > Signed-off-by: Adrian Hunter > --- > arch/x86/events/intel/pt.c | 63 ++++++++++++++++++++++++++++++-------- > 1 file changed, 50 insertions(+), 13 deletions(-) Now queued up, thanks. greg k-h