From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonas Lahtinen Subject: Re: [PATCH V6] drm/i915: Disable stolen memory when i915 runs in guest vm Date: Tue, 25 Apr 2017 15:06:43 +0300 Message-ID: <1493122003.3731.27.camel@linux.intel.com> References: <1493116501-29327-1-git-send-email-xiong.y.zhang@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1493116501-29327-1-git-send-email-xiong.y.zhang@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Xiong Zhang , kevin.tian@intel.com, daniel.vetter@intel.com, zhenyuw@linux.intel.com, jani.nikula@linux.intel.com, alex.williamson@redhat.com, David Woodhouse , "Bloomfield, Jon" Cc: intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, stable@vger.kernel.org List-Id: intel-gfx@lists.freedesktop.org KyBEYXZpZCBhbmQgSm9uCgpPbiB0aSwgMjAxNy0wNC0yNSBhdCAxODozNCArMDgwMCwgWGlvbmcg Wmhhbmcgd3JvdGU6CgpUaGUgYmxvY2tpbmcgaXNzdWUgSSBzZWUgaXMgdGhhdCBiaXNlY3Rpbmcg aXMgc3RpbGwgbm90IHBvaW50aW5nIGF0CnJlbGV2YW50IGNvbW1pdHMuIEJvdGggYmlzZWN0ZWQg Y29tbWl0cyBmcm9tIEJ1Z3ppbGxhIGFyZSBub3QgcmVsYXRlZAp0byBjaGFuZ2VzIGluIHN0b2xl biBtZW1vcnkgdXNhZ2UgYmVoYXZpb3IuIEknZCBhc3N1bWUgYSBzdWNjZXNzZnVsCmJpc2VjdCB0 byBsYW5kIGF0IHRoZSBwYXRjaGVzIHdoZXJlIHdlIHN0YXJ0IGNyZWF0aW5nIGtlcm5lbCBpbnRl cm5hbApvYmplY3RzIGZyb20gc3RvbGVuIG1lbW9yeS4gT3RoZXJ3aXNlIHdlIGNvdWxkIGJlIGln bm9yaW5nIGEgYnVnCmVsc2V3aGVyZS4gSWYgaXQgY29uc2lzdGVudGx5IGxhbmRzIG9uIHRob3Nl IHBhdGNoZXMsIHRoZW4gdGhlcmUgbWlnaHQKYmUgc29tZXRoaW5nIHdyb25nIHdpdGggdGhlbSwg aW4gYWRkaXRpb24gdG8gc3RvbGVuIG1lbW9yeSBwcm9ibGVtcy4KCkRpc2FibGluZyBwb3dlciBz YXZpbmcgbWFrZXMgbWFueSBidWdzIGdvIGF3YXksIGJ1dCB3ZSBzdGlsbCBkb24ndApkaXNhYmxl IHBvd2VyIHNhdmluZyBhcyBhIHJlc29sdXRpb24gdG8gc3VjaCBidWdzLCBidXQgaW5zdGVhZCBy b290CmNhdXNlIGFuZCBmaXggdGhlIGluZGl2aWR1YWwgYnVncy4KCj4gU3RvbGVuIG1lbW9yeSBp c24ndCBhIHN0YW5kYXJkIHBjaSByZXNvdXJjZSBhbmQgZXhpc3RzIGluIFJNUlIgd2hpY2ggaGFz Cj4gaWRlbnRpdHkgbWFwcGluZyBpbiBpb21tdSB0YWJsZSB3aGVuIGhvc3QgYm9vdCB1cCwgc28g SUdEIGNvdWxkIGFjY2Vzcwo+IHN0b2xlbiBtZW1vcnkgaW4gaG9zdCBPUy4gV2hpbGUgYWNjb3Jk aW5nIHRvICdjb21taXQgYzg3NWQyYzFiODA4Cj4gKCJpb21tdS92dC1kOiBFeGNsdWRlIGRldmlj ZXMgdXNpbmcgUk1SUnMgZnJvbSBJT01NVSBBUEkgZG9tYWlucyIpJyxSTVJSCj4gaXNuJ3Qgc3Vw cG9ydGVkIGJ5IGt2bSwgdGhlbiBib3RoIEVQVCBhbmQgZ3Vlc3QgaW9tbXUgZG9tYWluIHRhYmxl IGxhY2sKPiBvZiBtYWFwaW5nIGZvciBzdG9sZW4gbWVtb3J5IGluIGt2bSBJR0QgcGFzc3Rocm91 Z2ggZW52aXJvbm1lbnQuCgpDb21taXQgbWVzc2FnZSB0ZXh0IHN0aWxsIGZhaWxzIHRvIGFkZHJl c3MgdGhhdCBhbiBleGNsdXNpb24gd2FzIGFkZGVkCmJ5IGNvbW1pdDoKCmNvbW1pdCAxODQzNmFm ZGMxMWEwMGFjODgxOTkwYjQ1NGNmYjJlYWU4MWQ2MDAzCkF1dGhvcjogRGF2aWQgV29vZGhvdXNl IDxEYXZpZC5Xb29kaG91c2VAaW50ZWwuY29tPgpEYXRlOsKgwqDCoFdlZCBNYXIgMjUgMTU6MDU6 NDcgMjAxNSArMDAwMAoKwqDCoMKgwqBpb21tdS92dC1kOiBBbGxvdyBSTVJSIG9uIGdyYXBoaWNz IGRldmljZXMgdG9vCgrCoCDCoCBDb21taXQgYzg3NWQyYzEgKCJpb21tdS92dC1kOiBFeGNsdWRl IGRldmljZXMgdXNpbmcgUk1SUnMgZnJvbSBJT01NVSBBUEkKwqDCoMKgwqBkb21haW5zIikgcHJl dmVudHMgY2VydGFpbiBvcHRpb25zIGZvciBkZXZpY2VzIHdpdGggUk1SUnMuIFRoaXMgZXZlbgrC oMKgwqDCoHByZXZlbnRzIHRob3NlIGRldmljZXMgZnJvbSBnZXR0aW5nIGEgMToxIG1hcHBpbmcg d2l0aCAnaW9tbXU9cHQnLArCoMKgwqDCoGJlY2F1c2Ugd2UgZG9uJ3QgaGF2ZSB0aGUgY29kZSB0 byBoYW5kbGUgKnByZXNlcnZpbmcqIHRoZSBSTVJSIHJlZ2lvbnMKwqDCoMKgwqB3aGVuIG1vdmlu ZyB0aGUgZGV2aWNlIGJldHdlZW4gZG9tYWlucy4KCjxTTklQPgoKVGhlIHF1b3RlZCBwYXJ0IG9m IERhdmlkJ3MgY29tbWl0IG1lc3NhZ2UgbGVhZHMgbWUgdG8gYmVsaWV2ZSBpdCdzCnNpbXBseSBs YWNrIG9mIHNvbWUgY29kZSBpbiBrZXJuZWwgZm9yIGp1Z2dsaW5nIHRoZSBSTVJScyB3aGVuIG1v dmluZyBhCmRldmljZSBiZXR3ZWVuIGRvbWFpbnMgdGhhdCBpcyBtaXNzaW5nLiBXaHkgaXMgbm90 IHRoYXQgY29uc2lkZXJlZAppbnN0ZWFkPyBXaXRoIHRoYXQgaW1wbGVtZW50ZWQsIHdlIHdvdWxk IGhhdmUgbW9yZSB0cmFuc3BhcmVudCBwYXNzLQp0aHJvdWdoLCB3aGljaCBzaG91bGQgYmUgZ29v ZC4KCkFsc28sIHdhcyBmaXhpbmcgdGhlIElHRCBkcml2ZXIgbG9hZGluZyB3aXRoIHplcm8gc3Rv bGVuIG1lbW9yeQpjb25zaWRlcmVkIGluc3RlYWQ/IEFsbCB0aGlzIGluZm9ybWF0aW9uIHNob3Vs ZCBleGlzdCBpbiB0aGUgY29tbWl0Cm1lc3NhZ2UuCgpBZnRlciB0aGUgYmlzZWN0aW5nIGlzIHBy b3Blcmx5IGRvbmUsIHRoZXJlIGlzIGFuIGFncmVlbWVudCB0aGF0CnN1Z2dlc3RlZCBSTVJSIHBy ZXNlcnZhdGlvbiBpcyBhYnNvbHV0ZWx5IGEgbm8tZ28sIG90aGVyIG9wdGlvbnMgYXJlCm5vdCB2 aWFibGUsIHRoZSBjb21taXQgbWVzc2FnZSBzaG91bGQgYmUgdXBkYXRlZCB0byByZWZsZWN0IGFs bCB0aGF0LgpUaGVuIHdlIHNob3VsZCBsb29rIGluIG1vcmUgZGV0YWlsIG9uIGhvdyB0byBkZXRl Y3QgdGhlIHNjZW5hcmlvcyB3aGVuCndlJ3JlIHJ1bm5pbmcgaW4gYSB2aXJ0dWFsIG1hY2hpbmUg dGhhdCBkb2Vzbid0IHNldCB1cCB0aGUgMToxIG1hcHBpbmcKZm9yIFJNUlJzLgoKUmVnYXJkcywg Sm9vbmFzCi0tIApKb29uYXMgTGFodGluZW4KT3BlbiBTb3VyY2UgVGVjaG5vbG9neSBDZW50ZXIK SW50ZWwgQ29ycG9yYXRpb24KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0 b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50 ZWwtZ2Z4Cg==