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 X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D657C3A589 for ; Sun, 18 Aug 2019 18:48:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 70E32206C1 for ; Sun, 18 Aug 2019 18:48:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566154080; bh=ny4tT0ew0kuMgo1zIdncMm9GYDUjBKDABLZPoEDB78s=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=Ah8j3LgDUM0h2oBuuKukNVOlg4rnszOI7g11mRJSXGGy1JomIQ7XwllS2A7ssAZyA p1A9rw+eGdYRiRbvxd9f8kh8vihKB3G0ryTIjBlhhu4RtdtwxzVFwWP8HfxDzs4H1C v6lp5FN2LC2AGdqKlYjnuX5RgbFzSlEUXyXLXAxs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726747AbfHRSsA (ORCPT ); Sun, 18 Aug 2019 14:48:00 -0400 Received: from mail.kernel.org ([198.145.29.99]:53846 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726247AbfHRSsA (ORCPT ); Sun, 18 Aug 2019 14:48:00 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C517B206C1; Sun, 18 Aug 2019 18:47:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566154079; bh=ny4tT0ew0kuMgo1zIdncMm9GYDUjBKDABLZPoEDB78s=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=NVWlAsGllXUiXTn+YPrbnvJSrX/eHV9XA0vz/6n9nyPEcmu4KhrmaUy3ZWkZ0RGkX Am8IPIojh0fEoxEiIAvMaxpTiKS2V2kP6ei2HEEoKchl3XwnMTcC/3ba9NtLRJZIKz 0zll7NZMz+aELRrdhx2Z5ov+0pmWSCCLiuLEWB0A= Date: Sun, 18 Aug 2019 20:47:56 +0200 From: Greg KH To: Marc Zyngier Cc: stable@vger.kernel.org Subject: Re: [4.19-stable][PATCH] KVM: arm/arm64: Sync ICH_VMCR_EL2 back when about to block Message-ID: <20190818184756.GD2791@kroah.com> References: <20190818170103.1707-1-maz@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190818170103.1707-1-maz@kernel.org> User-Agent: Mutt/1.12.1 (2019-06-15) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Sun, Aug 18, 2019 at 06:01:03PM +0100, Marc Zyngier wrote: > commit 5eeaf10eec394b28fad2c58f1f5c3a5da0e87d1c upstream. > > Since commit commit 328e56647944 ("KVM: arm/arm64: vgic: Defer > touching GICH_VMCR to vcpu_load/put"), we leave ICH_VMCR_EL2 (or > its GICv2 equivalent) loaded as long as we can, only syncing it > back when we're scheduled out. Both now queued up, thanks. greg k-h