From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] drm/i915: Do not invalidate obj->pages under mempressure Date: Tue, 10 Feb 2015 13:38:14 +0200 Message-ID: <87mw4muhcp.fsf@intel.com> References: <1421267671-27225-1-git-send-email-chris@chris-wilson.co.uk> <1423500207-1271-1-git-send-email-daniel.vetter@ffwll.ch> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id 39A776E650 for ; Tue, 10 Feb 2015 03:37:15 -0800 (PST) In-Reply-To: <1423500207-1271-1-git-send-email-daniel.vetter@ffwll.ch> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Daniel Vetter , Intel Graphics Development Cc: Daniel Vetter , stable@vger.kernel.org List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCAwOSBGZWIgMjAxNSwgRGFuaWVsIFZldHRlciA8ZGFuaWVsLnZldHRlckBmZndsbC5j aD4gd3JvdGU6Cj4gRnJvbTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+ Cj4KPiBUaGlzIChwYXJ0aWFsbHkpIHJldmVydHMKPgo+IGNvbW1pdCA1NTM3MjUyYjZiNmQ3MWZi MWE4ZWQ3Mzk1YThlNWJhYmY5MTk1M2ZkCj4gQXV0aG9yOiBDaHJpcyBXaWxzb24gPGNocmlzQGNo cmlzLXdpbHNvbi5jby51az4KPiBEYXRlOiAgIFR1ZSBNYXIgMjUgMTM6MjM6MDYgMjAxNCArMDAw MAo+Cj4gICAgIGRybS9pOTE1OiBJbnZhbGlkYXRlIG91ciBwYWdlcyB1bmRlciBtZW1vcnkgcHJl c3N1cmUKPgo+IEl0IGFwcGVhcnMgZ2l2ZW4gdGhlIHJpZ2h0IHdvcmtsb2FkLCB0aGF0IHBhZ2Vz IHdoaWNoIGFyZSBzd2FwcGVkIG91dAo+IG1vcmUgdGhhbiBvbmNlIGFyZSBpbmNvcnJlY3RseSBp bnZhbGlkYXRlZCBhbmQgZGlzY2FyZGVkLiBJIGhhZCBwcmVzdW1lZAo+IHRoYXQgdGhlIHN3YXBp biB3b3VsZCBtYXJrIHRoZSBwYWdlcyBkaXJ0eSBhZ2FpbiBhbmQgc28gcHJlc2VydmUgdGhlbQo+ IGFnYWluc3QgdGhlIG5leHQgY3ljbGUgb2YgaW52YWxpZGF0aW9uIC0gdGhhdCBhcHBlYXJzIHRv IGJlIGZhbHNlLCBhbmQKPiBsZWFkcyB0byBtZW1vcnkgY29ycnVwdGlvbiAoZXZlbiBsZWFrIG9m IHN0YWxlIHBhZ2VzIHRvIHVzZXJzcGFjZSkuCj4KPiB2MjogRG8gYSBtb3JlIHRocm91Z2hyb3Vn aHQgcmV2ZXJ0IGFuZCBhbHMgZ2V0IHJpZCBvZiB0aGUgaHVuayBpbgo+IGdlbV9mcmVlX29iamVj dHMgd2hpY2ggd2UndmUgdHJpZWQgdG8gcGF0Y2ggdXAgYWxyZWFkeSBpbgo+Cj4gY29tbWl0IDM0 MGZiZDhjYTFjN2Q2MDA2YTZiNmFmZTcxNmMxMDAwN2JiZmRlODUKPiBBdXRob3I6IENocmlzIFdp bHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IERhdGU6ICAgVGh1IE1heSAyMiAwOTox Njo1MiAyMDE0ICswMTAwCj4KPiAgICAgZHJtL2k5MTU6IE9ubHkgZGlzY2FyZCBiYWNraW5nIHN0 b3JhZ2Ugb24gcmVsZWFzaW5nIHRoZSBsYXN0IHJlZgo+Cj4gVGhpcyBtZWFucyB0aGlzIHBhdGNo IGFsc28gZnVsbHkgcmV2ZXJ0cyB0aGlzIGZpeHVwLiBBcHBhcmVudGx5IHRoaXMKPiBpcyBqdXN0 IHRvbyB0cmlja3kuCj4KPiBSZXBvcnRlZC1ieTogU2VhbiBWIEtlbGxleSA8c2Vhbi52LmtlbGxl eUBpbnRlbC5jb20+Cj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13 aWxzb24uY28udWs+Cj4gQ2M6IFNlYW4gViBLZWxsZXkgPHNlYW4udi5rZWxsZXlAaW50ZWwuY29t Pgo+IENjOiBzdGFibGVAdmdlci5rZXJuZWwub3JnCj4gQ2M6IENocmlzIFdpbHNvbiA8Y2hyaXNA Y2hyaXMtd2lsc29uLmNvLnVrPgo+IENjOiBKYW5pIE5pa3VsYSA8amFuaS5uaWt1bGFAaW50ZWwu Y29tPgo+IFNpZ25lZC1vZmYtYnk6IERhbmllbCBWZXR0ZXIgPGRhbmllbC52ZXR0ZXJAaW50ZWwu Y29tPiAodjIpCgpQdXNoZWQgdGhpcyBvbmUgdG8gZHJtLWludGVsLW5leHQtZml4ZXMsIHRoYW5r cyBmb3IgdGhlIHBhdGNoLCBhbmQgdjIgb2YKdGhlIHBhdGNoLgoKQlIsCkphbmkuCgo+IC0tLQo+ ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jIHwgNDkgKystLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDIgaW5zZXJ0aW9ucygr KSwgNDcgZGVsZXRpb25zKC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUv aTkxNV9nZW0uYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMKPiBpbmRleCAzNmYx MDkzZTNjNjMuLjM5ZTJhZjliNWZlZiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pOTE1X2dlbS5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYwo+IEBA IC0xOTQ2LDI2ICsxOTQ2LDYgQEAgaTkxNV9nZW1fb2JqZWN0X3RydW5jYXRlKHN0cnVjdCBkcm1f aTkxNV9nZW1fb2JqZWN0ICpvYmopCj4gIAlvYmotPm1hZHYgPSBfX0k5MTVfTUFEVl9QVVJHRUQ7 Cj4gIH0KPiAgCj4gLS8qIFRyeSB0byBkaXNjYXJkIHVud2FudGVkIHBhZ2VzICovCj4gLXN0YXRp YyB2b2lkCj4gLWk5MTVfZ2VtX29iamVjdF9pbnZhbGlkYXRlKHN0cnVjdCBkcm1faTkxNV9nZW1f b2JqZWN0ICpvYmopCj4gLXsKPiAtCXN0cnVjdCBhZGRyZXNzX3NwYWNlICptYXBwaW5nOwo+IC0K PiAtCXN3aXRjaCAob2JqLT5tYWR2KSB7Cj4gLQljYXNlIEk5MTVfTUFEVl9ET05UTkVFRDoKPiAt CQlpOTE1X2dlbV9vYmplY3RfdHJ1bmNhdGUob2JqKTsKPiAtCWNhc2UgX19JOTE1X01BRFZfUFVS R0VEOgo+IC0JCXJldHVybjsKPiAtCX0KPiAtCj4gLQlpZiAob2JqLT5iYXNlLmZpbHAgPT0gTlVM TCkKPiAtCQlyZXR1cm47Cj4gLQo+IC0JbWFwcGluZyA9IGZpbGVfaW5vZGUob2JqLT5iYXNlLmZp bHApLT5pX21hcHBpbmcsCj4gLQlpbnZhbGlkYXRlX21hcHBpbmdfcGFnZXMobWFwcGluZywgMCwg KGxvZmZfdCktMSk7Cj4gLX0KPiAtCj4gIHN0YXRpYyB2b2lkCj4gIGk5MTVfZ2VtX29iamVjdF9w dXRfcGFnZXNfZ3R0KHN0cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0ICpvYmopCj4gIHsKPiBAQCAt MjAyOCw3ICsyMDA4LDggQEAgaTkxNV9nZW1fb2JqZWN0X3B1dF9wYWdlcyhzdHJ1Y3QgZHJtX2k5 MTVfZ2VtX29iamVjdCAqb2JqKQo+ICAJb3BzLT5wdXRfcGFnZXMob2JqKTsKPiAgCW9iai0+cGFn ZXMgPSBOVUxMOwo+ICAKPiAtCWk5MTVfZ2VtX29iamVjdF9pbnZhbGlkYXRlKG9iaik7Cj4gKwlp ZiAoaTkxNV9nZW1fb2JqZWN0X2lzX3B1cmdlYWJsZShvYmopKQo+ICsJCWk5MTVfZ2VtX29iamVj dF90cnVuY2F0ZShvYmopOwo+ICAKPiAgCXJldHVybiAwOwo+ICB9Cj4gQEAgLTQ0NTgsMzAgKzQ0 MzksNiBAQCBzdHJ1Y3QgZHJtX2k5MTVfZ2VtX29iamVjdCAqaTkxNV9nZW1fYWxsb2Nfb2JqZWN0 KHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsCj4gIAlyZXR1cm4gb2JqOwo+ICB9Cj4gIAo+IC1zdGF0 aWMgYm9vbCBkaXNjYXJkX2JhY2tpbmdfc3RvcmFnZShzdHJ1Y3QgZHJtX2k5MTVfZ2VtX29iamVj dCAqb2JqKQo+IC17Cj4gLQkvKiBJZiB3ZSBhcmUgdGhlIGxhc3QgdXNlciBvZiB0aGUgYmFja2lu ZyBzdG9yYWdlIChiZSBpdCBzaG1lbWZzCj4gLQkgKiBwYWdlcyBvciBzdG9sZW4gZXRjKSwgd2Ug a25vdyB0aGF0IHRoZSBwYWdlcyBhcmUgZ29pbmcgdG8gYmUKPiAtCSAqIGltbWVkaWF0ZWx5IHJl bGVhc2VkLiBJbiB0aGlzIGNhc2UsIHdlIGNhbiB0aGVuIHNraXAgY29weWluZwo+IC0JICogYmFj ayB0aGUgY29udGVudHMgZnJvbSB0aGUgR1BVLgo+IC0JICovCj4gLQo+IC0JaWYgKG9iai0+bWFk diAhPSBJOTE1X01BRFZfV0lMTE5FRUQpCj4gLQkJcmV0dXJuIGZhbHNlOwo+IC0KPiAtCWlmIChv YmotPmJhc2UuZmlscCA9PSBOVUxMKQo+IC0JCXJldHVybiB0cnVlOwo+IC0KPiAtCS8qIEF0IGZp cnN0IGdsYW5jZSwgdGhpcyBsb29rcyByYWN5LCBidXQgdGhlbiBhZ2FpbiBzbyB3b3VsZCBiZQo+ IC0JICogdXNlcnNwYWNlIHJhY2luZyBtbWFwIGFnYWluc3QgY2xvc2UuIEhvd2V2ZXIsIHRoZSBm aXJzdCBleHRlcm5hbAo+IC0JICogcmVmZXJlbmNlIHRvIHRoZSBmaWxwIGNhbiBvbmx5IGJlIG9i dGFpbmVkIHRocm91Z2ggdGhlCj4gLQkgKiBpOTE1X2dlbV9tbWFwX2lvY3RsKCkgd2hpY2ggc2Fm ZWd1YXJkcyB1cyBhZ2FpbnN0IHRoZSB1c2VyCj4gLQkgKiBhY3F1aXJpbmcgc3VjaCBhIHJlZmVy ZW5jZSB3aGlsc3Qgd2UgYXJlIGluIHRoZSBtaWRkbGUgb2YKPiAtCSAqIGZyZWVpbmcgdGhlIG9i amVjdC4KPiAtCSAqLwo+IC0JcmV0dXJuIGF0b21pY19sb25nX3JlYWQoJm9iai0+YmFzZS5maWxw LT5mX2NvdW50KSA9PSAxOwo+IC19Cj4gLQo+ICB2b2lkIGk5MTVfZ2VtX2ZyZWVfb2JqZWN0KHN0 cnVjdCBkcm1fZ2VtX29iamVjdCAqZ2VtX29iaikKPiAgewo+ICAJc3RydWN0IGRybV9pOTE1X2dl bV9vYmplY3QgKm9iaiA9IHRvX2ludGVsX2JvKGdlbV9vYmopOwo+IEBAIC00NTI0LDggKzQ0ODEs NiBAQCB2b2lkIGk5MTVfZ2VtX2ZyZWVfb2JqZWN0KHN0cnVjdCBkcm1fZ2VtX29iamVjdCAqZ2Vt X29iaikKPiAgCj4gIAlpZiAoV0FSTl9PTihvYmotPnBhZ2VzX3Bpbl9jb3VudCkpCj4gIAkJb2Jq LT5wYWdlc19waW5fY291bnQgPSAwOwo+IC0JaWYgKGRpc2NhcmRfYmFja2luZ19zdG9yYWdlKG9i aikpCj4gLQkJb2JqLT5tYWR2ID0gSTkxNV9NQURWX0RPTlRORUVEOwo+ICAJaTkxNV9nZW1fb2Jq ZWN0X3B1dF9wYWdlcyhvYmopOwo+ICAJaTkxNV9nZW1fb2JqZWN0X2ZyZWVfbW1hcF9vZmZzZXQo b2JqKTsKPiAgCj4gLS0gCj4gMi4xLjQKPgoKLS0gCkphbmkgTmlrdWxhLCBJbnRlbCBPcGVuIFNv dXJjZSBUZWNobm9sb2d5IENlbnRlcgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVl ZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2ludGVsLWdmeAo=