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 9D188C77B7C for ; Fri, 12 May 2023 00:30:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231578AbjELAaL (ORCPT ); Thu, 11 May 2023 20:30:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229882AbjELAaL (ORCPT ); Thu, 11 May 2023 20:30:11 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 44953559F; Thu, 11 May 2023 17:30:10 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id CA9026528F; Fri, 12 May 2023 00:30:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 29A52C433D2; Fri, 12 May 2023 00:30:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1683851409; bh=Bar/gbz5y7H6MCxXk1BjJQOT97CODrJS8QsqcZqpX18=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=aO5H0ySdicNCCFht8WVr1bWJZeGDW0NaQ+d2loOJJldlQIoOu7As44DMPZgrR1Thu 5Mdh714y8XIHQQwuTv9NKwkf6McitMrk4g8irqQeH7hlbgUX8ep7DWjSYgw9AOQvK4 TQPNq8zWj/42IJfzOce+L4Y+N8qenfNrqid2B8kvxSpwfrkxir70ael7p8vRfn7Q83 +0Pa6TKarF25ZIEWkXJiShTqnufG+KAs9Vw/40ew5vmCkXR6kn+vQ9pI6yA4FtzhXU jKTxkQHoghGi2XJjs34jKhs73+JEfSMk9/yzmf5nDa0wXg7YTVxpHd7mLhZdlDumAI BPnZ+clxXe27A== Date: Thu, 11 May 2023 20:30:08 -0400 From: Sasha Levin To: Mathias Krause Cc: stable@vger.kernel.org, Paolo Bonzini , Sean Christopherson , kvm@vger.kernel.org Subject: Re: [PATCH 6.2 0/5] KVM CR0.WP series backport Message-ID: References: <20230508154457.29956-1-minipli@grsecurity.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Thu, May 11, 2023 at 08:24:59PM -0400, Sasha Levin wrote: >On Mon, May 08, 2023 at 05:44:52PM +0200, Mathias Krause wrote: >>This is a backport of the CR0.WP KVM series[1] to Linux v6.2. All >>commits applied either clean or with only minor changes needed to >>account for missing prerequisite patches, e.g. the lack of a >>kvm_is_cr0_bit_set() helper for patch 5 or the slightly different >>surrounding context in patch 4 (__always_inline vs. plain inline for >>to_kvm_vmx()). >> >>I used 'ssdd 10 50000' from rt-tests[2] as a micro-benchmark, running on >>a grsecurity L1 VM. Below table shows the results (runtime in seconds, >>lower is better): >> >> legacy TDP shadow >> Linux v6.2.10 7.61s 7.98s 68.6s >> + patches 3.37s 3.41s 70.2s >> >>The KVM unit test suite showed no regressions. >> >>Please consider applying. > >On our end waiting for ack from the KVM maintainers. Just saw Sean's reply. Queueing up, thanks! -- Thanks, Sasha