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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C8FC1C00A8F for ; Tue, 24 Oct 2023 09:10:58 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5DA3310E301; Tue, 24 Oct 2023 09:10:58 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0F80B10E301 for ; Tue, 24 Oct 2023 09:10:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1698138656; x=1729674656; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=NhiextLkErs42qHeuVCrUDh1ybmraaW81X3dUsW9CkM=; b=EzFUtpCvvJ5wLy7qEJdUSY52KbGAjb8oL8zRdWEVMSXSZfrHCG237BOX un4XWuXn8oLk4yEj4y9vF/5kdzx1Vm0EQSBx9p8Q0j53764pOKBwqWcyX BJT4RTsvNH+3Z7DDc590DSlFjm0Y0gex1IOMLVTLpi/4yyKP4jtkvKtcS PNLi6q9+OE3B2OXD7+rVEMBovW3G8r9LYO4tTXX9Ig0h2OvAxq/6iIwxo uo1zGgLvt6VWP4BEaKwy6P1iotMNyc79dz3mteVsKkseMPkXcLngNVzvI GXF0Gsxo7eDbRt/L75ONKAEXtRAMV5WJxK6b91a9euLkp1vVjphygFZaK g==; X-IronPort-AV: E=McAfee;i="6600,9927,10872"; a="418142621" X-IronPort-AV: E=Sophos;i="6.03,247,1694761200"; d="scan'208";a="418142621" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Oct 2023 02:10:55 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10872"; a="875003973" X-IronPort-AV: E=Sophos;i="6.03,247,1694761200"; d="scan'208";a="875003973" Received: from yaminehx-mobl.ger.corp.intel.com (HELO intel.com) ([10.252.33.158]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Oct 2023 02:10:53 -0700 Date: Tue, 24 Oct 2023 11:10:51 +0200 From: Andi Shyti To: Andrzej Hajda Message-ID: References: <20231023-wabb-v4-0-f75dec962b7d@intel.com> <20231023-wabb-v4-1-f75dec962b7d@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231023-wabb-v4-1-f75dec962b7d@intel.com> Subject: Re: [Intel-gfx] [PATCH v4 1/4] drm/i915: Reserve some kernel space per vm X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx@lists.freedesktop.org, Jonathan Cavitt , Chris Wilson Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Hi Andrzej, On Mon, Oct 23, 2023 at 10:21:45PM +0200, Andrzej Hajda wrote: > Reserve one page in each vm for kernel space to use for things > such as workarounds. > > v2: use real memory, do not decrease vm.total > v4: reserve only one page and explain flag > > Suggested-by: Chris Wilson > Signed-off-by: Andrzej Hajda > Reviewed-by: Jonathan Cavitt Reviewed-by: Andi Shyti Andi