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x-originating-ip: [82.117.201.26] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: c5aa0601-e7ae-4af1-fca8-08d6dc6cefd8 x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(7168020)(4627221)(201703031133081)(201702281549075)(8990200)(5600141)(711020)(4605104)(2017052603328)(7193020); SRVR:BN6PR2201MB1634; x-ms-traffictypediagnostic: BN6PR2201MB1634: x-ms-exchange-purlcount: 1 x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:10000; x-forefront-prvs: 00429279BA x-forefront-antispam-report: SFV:NSPM; SFS:(10019020)(366004)(39830400003)(396003)(346002)(376002)(136003)(66544003)(54534003)(189003)(199004)(7736002)(99286004)(73956011)(8936002)(3846002)(86362001)(74316002)(305945005)(81166006)(81156014)(6116002)(7696005)(66946007)(76176011)(66556008)(66446008)(64756008)(8676002)(55016002)(68736007)(76116006)(66476007)(6436002)(102836004)(2501003)(25786009)(71200400001)(71190400001)(446003)(26005)(110136005)(6246003)(53546011)(66066001)(4326008)(6506007)(11346002)(33656002)(55236004)(186003)(5660300002)(316002)(14454004)(478600001)(6306002)(256004)(229853002)(486006)(53936002)(476003)(14444005)(52536014)(9686003)(966005)(2906002); DIR:OUT; SFP:1102; SCL:1; SRVR:BN6PR2201MB1634; H:BN6PR2201MB1251.namprd22.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: wavecomp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: djDPXCR4zu+K3AlXk0VdxF5Z3e0HkVYmWC0pUoUF+XrFxUL0wyZTD84CqgDhUkCdHgtzDBHk0oy49kL0M8QIhok6yB6JzqemgI60RA22I1hANhlmpWbmJh8jQqDteE1DMmpCJGOvvAgSOL7znkuowcwtGu9RC52eb4tpvSQMqmmNJnYGFUuX8eu0FHI2GDGt5sgWOnoN9/2QjfXSc6+LGkWFaL56ykKPtDAIbNps7TLpibZv+ZG/8iH8rnuL6PMz/RshEUzxPFm0+U9VUg+qYR3sr62bO+cC4+7RZut2E8VVsoIqEl6ZaOOmdQUk3fHa5S6yuGgOafinoePaEnKEY405F9hQHs1O4TpaIFzCWqnMjy0VOJsOMSktLxxu2z/KsaXbkY4intohNlSi12btN6/sH2JD7pst+qo+SZblFL8= Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wavecomp.com X-MS-Exchange-CrossTenant-Network-Message-Id: c5aa0601-e7ae-4af1-fca8-08d6dc6cefd8 X-MS-Exchange-CrossTenant-originalarrivaltime: 19 May 2019 15:16:15.6366 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 463607d3-1db3-40a0-8a29-970c56230104 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR2201MB1634 X-detected-operating-system: by eggs.gnu.org: Windows 7 or 8 [fuzzy] X-Received-From: 40.107.81.111 Subject: Re: [Qemu-devel] [PULL 00/10] MIPS queue for May 19th, 2019 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "peter.maydell@linaro.org" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" > From: Jakub Jermar >=20 > On 5/19/19 2:00 PM, Aleksandar Markovic wrote: > >>> > >>> * A fix for HelenOS boot hang (related to the flag PAGE_EXEC) > >> > >> This was rather a problem with failing non-executable page tests in > >> L4Re, not HelenOS. Even though I tested HelenOS for regressions. > > > > OK, Jakub, what would be your suggestion for a high-level description > > of this message for end users (it is definitely a change that affects e= nd > > user)? Something like" Improved PAGE_EXEC flag handling"? >=20 > It makes sure that referenced pages are not automatically marked > executable by QEMU (despite the XI bit). >=20 > As a user-visible change, this might unbreak some tests that attempt to > execute data. Note that this fix does not affect pages that are not > referenced prior to being executed - those have worked fine. >=20 > Otherwise for normal code that does not attempt to execute data, things > should not change at all. >=20 I changed the first item in MIPS section of 4.1 release notes (change log) to be: * Marking referenced memory pages as executable is improved (it is restrict= ed to necessary cases only). We have time to change it by end of July, if you have a better suggestion. Link: https://wiki.qemu.org/ChangeLog/4.1#MIPS Thanks for your engaging in this issue! Hope to see you soon with more contributions! Aleksandar > Cheers, > Jakub >=20 > > Thanks, > > Aleksandar > > >=20 > -- > Kernkonzept GmbH at Dresden, Germany, HRB 31129, CEO Dr.-Ing. Michael > Hohmuth