From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Subject: Re: [PATCH -fixes 5/5] drm/vmwgfx: Fix a buffer object eviction regression Date: Thu, 13 Sep 2018 08:28:11 -0700 Message-ID: <20180913152811.GA11574@bombadil.infradead.org> References: <20180913115837.7746-1-thellstrom@vmware.com> <20180913115837.7746-5-thellstrom@vmware.com> <20180913141048.GA22737@bombadil.infradead.org> <7eb47317-b385-d9c5-4d50-910219f8dbdf@vmware.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by gabe.freedesktop.org (Postfix) with ESMTPS id 694DB6E6CA for ; Thu, 13 Sep 2018 15:28:12 +0000 (UTC) Content-Disposition: inline In-Reply-To: <7eb47317-b385-d9c5-4d50-910219f8dbdf@vmware.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Thomas Hellstrom Cc: pv-drivers@vmware.com, linux-graphics-maintainer@vmware.com, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gVGh1LCBTZXAgMTMsIDIwMTggYXQgMDQ6NTY6NTNQTSArMDIwMCwgVGhvbWFzIEhlbGxzdHJv bSB3cm90ZToKPiBIaSwKPiAKPiBPbiAwOS8xMy8yMDE4IDA0OjEwIFBNLCBNYXR0aGV3IFdpbGNv eCB3cm90ZToKPiA+IE9uIFRodSwgU2VwIDEzLCAyMDE4IGF0IDAxOjU4OjM3UE0gKzAyMDAsIFRo b21hcyBIZWxsc3Ryb20gd3JvdGU6Cj4gPiA+IENvbW1pdCA0ZWIwODVlNDJmZGUgKCJkcm0vdm13 Z2Z4OiBDb252ZXJ0IHRvIG5ldyBJREEgQVBJIikgaW5kcm9kdWNlZAo+ID4gPiBhbiBpbmNvcnJl Y3QgcmV0dXJuIHZhbHVlIGZyb20gdGhlIGZ1bmN0aW9uIHZtd19nbXJpZF9tYW5fZ2V0X25vZGUo KSwKPiA+ID4gd2hlbiB3ZSBydW4gb3V0IGlmIGludGVnZXIgaWRzLiBJbnN0ZWFkIG9mIHJldHVy bmluZyAwIChtZWFuaW5nCj4gPiA+IG5vbi1mYXRhbCBlcnJvcikgd2UgZm9yd2FyZCB0aGUgaWRh X3NpbXBsZV9nZXQgZXJyb3IgY29kZSAtRU5PU1BDLgo+ID4gPiBUaGlzIGNhdXNlcyBUVE0gbm90 IHRvIHJldHJ5IGFsbG9jYXRpb24gYWZ0ZXIgYnVmZmVyIGV2aWN0aW9uIGFuZAo+ID4gPiBpbnN0 ZWFkIHJldHVybiAtRU5PU1BDIHRvIHVzZXItc3BhY2UuCj4gPiA+IAo+ID4gPiBGaXggdGhpcyBi eSByZXR1cm5pbmcgMCB3aGVuIGlkYV9zaW1wbGVfZ2V0KCkgcmV0dXJucyAtRU5PU1BDLgo+ID4g VGhhbmtzLiAgSSBnb3QgY29uZnVzZWQgYnkgdGhlIGNvbnZvbHV0ZWQgY29kZSB0aGF0IHdhcyB0 aGVyZSBiZWZvcmUgOy0oCj4gPiAKPiA+IEkgdGhpbmsgdGhpcyBjb3VsZCBiZSBiZXR0ZXIgdGhv dWdoIC4uLiBpZiBpZGFfYWxsb2MoKSBldmVyIHN0YXJ0cwo+ID4gcmV0dXJuaW5nIGEgZGlmZmVy ZW50IGVycm5vIGluIHRoZSBmdXR1cmUsIHlvdSdsbCBoaXQgdGhlIHNhbWUgcHJvYmxlbSwKPiA+ IHJpZ2h0PyAgU28gaG93IGFib3V0IHRoaXMgLi4uCj4gPiAKPiA+ICAgCWlkID0gaWRhX2FsbG9j X21heCgmZ21hbi0+Z21yX2lkYSwgZ21hbi0+bWF4X2dtcl9pZHMgLSAxLCBHRlBfS0VSTkVMKTsK PiA+ICsJaWYgKGlkID09IC1FTk9NRU0pCj4gPiArCQlyZXR1cm4gLUVOT01FTTsKPiA+ICsJaWYg KGlkIDwgMCkKPiA+ICsJCXJldHVybiAwOwo+ID4gICAJc3Bpbl9sb2NrKCZnbWFuLT5sb2NrKTsK PiA+IAo+ID4gQnV0IEkgd29uZGVyIC4uLiB3aHkgaXMgLUVOT01FTSBzZWVuIGFzIGEgZmF0YWwg ZXJyb3I/ICBJZiB5b3UgZnJlZSB1cAo+ID4gc29tZSBtZW1vcnksIHlvdSdsbCBmcmVlIHVwIGFu IElELCBzbyB0aGUgbmV4dCB0aW1lIGFyb3VuZCB5b3Ugc2hvdWxkCj4gPiBiZSBhYmxlIHRvIGFs bG9jYXRlIGFuIElELiAgU28gc2hvdWxkbid0IHRoaXMgZnVuY3Rpb24ganVzdCBoYXZlCj4gPiBi ZWVuIGRvaW5nIHRoaXMgYWxsIGFsb25nPwo+ID4gCj4gPiAgIAlpZCA9IGlkYV9hbGxvY19tYXgo JmdtYW4tPmdtcl9pZGEsIGdtYW4tPm1heF9nbXJfaWRzIC0gMSwgR0ZQX0tFUk5FTCk7Cj4gPiAr CWlmIChpZCA8IDApCj4gPiArCQlyZXR1cm4gMDsKPiA+IAo+IE5vbi1mYXRhbCBlcnJvcnMgYXJl IGVycm9ycyB0aGF0IGNhbiBiZSByZW1lZGllZCBieSBHUFUgYnVmZmVyIGV2aWN0aW9uLCBhbmQK PiBidWZmZXIgZXZpY3Rpb24gd2lsbCBmcmVlIHVwIElEQSBzcGFjZSwgc28gYmFzaWNhbGx5IHdl IG5lZWQgdG8gdGFyZ2V0IG9ubHkKPiB0aGUgZXJyb3IgY29kZSB0aGF0IGluZGljYXRlcyB3ZSd2 ZSBydW4gb3V0IG9mIElEQSBzcGFjZS4KClllcywgYnV0IHRoZSBmb2xsb3dpbmcgc2l0dWF0aW9u IGNhbiBoYXBwZW46CgogLSBBbGxvY2F0ZSAxMDI0IElEcwogLSBSdW4gdmVyeSBsb3cgb24gbWVt b3J5CiAtIEFsbG9jYXRpbmcgSUQgMTAyNSB3aWxsIGZhaWwgKHZlcnkgdmVyeSB1bmxpa2VseSkK IC0gaWRhX2FsbG9jX21heCgpIHJldHVybnMgLUVOT01FTQoKSW4gdGhpcyBzaXR1YXRpb24sIHdl IHdhbnQgdHRtX21lbV9ldmljdF9maXJzdCgpIHRvIGJlIGNhbGxlZCB3aGljaCB3aWxsCmZyZWUg dXAgb25lIG9mIHRoZSAxMDI0IGV4aXN0aW5nIElEcyBhbmQgdGhlbiB3ZSBjYW4gYWxsb2NhdGUg dGhhdCBJRCBmb3IKb3VyIG5ldyBub2RlLgoKSSdtIGFzc3VtaW5nIHdlJ3JlIGFuYWx5c2luZyB0 aGUgYmVoYXZpb3VyIG9mIHR0bV9ib19tZW1fZm9yY2Vfc3BhY2UoKQpoZXJlLgoKPiBJZiB3ZSdy ZSB3b3JyaWVkIHRoYXQgaWRhX2FsbG9jX21heCgpIHdpbGwgY2hhbmdlIHJldHVybiB2YWx1ZSwg SSBndWVzcyB3ZQo+IHdpbGwgaGF2ZSB0byBpbmNyZWFzZSB0aGUgSURBIHNwYWNlIGFuZCBkZXRl Y3QgdGhlIGVycm9yIG91cnNlbHZlczrCoCBlcnJvcgo+IGlmIChpZCA+PSBnbWFuLT5tYXhfZ21y X2lkcykKCk15IHBvaW50IHdhcyB0aGF0IHlvdXIgc29sdXRpb24gKGRldGVjdCB0aGUgb25lIGVy cm9yIHdoaWNoIHNob3VsZCBiZQpkZWVtZWQgYXMgbm9uLWZhdGFsKSB3YXMgbm90IGFzIHJvYnVz dCBhcyBpdHMgaW52ZXJzZSAoZGV0ZWN0IHRoZSBvbmUKZXJyb3Igd2hpY2ggdGhlIHByZXZpb3Vz IGNvZGUgZGVlbWVkIGFzIGZhdGFsKS4gIEJ1dCBJIG5vdyBiZWxpZXZlIG5vCmVycm9yIGZyb20g dGhlIElEQSBzaG91bGQgYmUgc2VlbiBhcyBmYXRhbC4KX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxA bGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxt YW4vbGlzdGluZm8vZHJpLWRldmVsCg==