From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Zhang, Jerry (Junwei)" Subject: Re: [PATCH] drm/amdgpu: fix deadlock of reservation between cs and gpu reset Date: Thu, 27 Apr 2017 17:08:54 +0800 Message-ID: <5901B526.6080305@amd.com> References: <1493281554-9898-1-git-send-email-David1.Zhou@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1493281554-9898-1-git-send-email-David1.Zhou-5C7GfCeVMHo@public.gmane.org> List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: Chunming Zhou , amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Cc: Monk.Liu-5C7GfCeVMHo@public.gmane.org T24gMDQvMjcvMjAxNyAwNDoyNSBQTSwgQ2h1bm1pbmcgWmhvdSB3cm90ZToKPiB0aGUgY2FzZSBj b3VsZCBoYXBwZW4gd2hlbiBncHUgcmVzZXQ6Cj4gMS4gd2hlbiBncHUgcmVzZXQsIGNzIGNhbiBi ZSBjb250aW51ZSB1bnRpbCBzdyBxdWV1ZSBpcyBmdWxsLCB0aGVuIHB1c2ggam9iIHdpbGwgd2Fp dCB3aXRoIGhvbGRpbmcgcGQgcmVzZXJ2YXRpb24uCj4gMi4gZ3B1X3Jlc2V0IHJvdXRpbmUgd2ls bCBhbHNvIG5lZWQgcGQgcmVzZXJ2YXRpb24gdG8gcmVzdG9yZSBwYWdlIHRhYmxlIGZyb20gdGhl aXIgc2hhZG93Lgo+IDMuIGNzIGlzIHdhaXRpbmcgZm9yIGdwdV9yZXNldCBjb21wbGV0ZSwgYnV0 IGdwdSByZXNldCBpcyB3YWl0aW5nIGZvciBjcyByZWxlYXNlcyByZXNlcnZhdGlvbi4KPgo+IENo YW5nZS1JZDogSTBmNjZkMDRiMmJlZjM0MzMwMzUxMDk2MjNjOGE1YzU5OTJjODQyMDIKPiBTaWdu ZWQtb2ZmLWJ5OiBDaHVubWluZyBaaG91IDxEYXZpZDEuWmhvdUBhbWQuY29tPgo+IC0tLQo+ICAg ZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X2NzLmMgfCAyICsrCj4gICAxIGZpbGUg Y2hhbmdlZCwgMiBpbnNlcnRpb25zKCspCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJt L2FtZC9hbWRncHUvYW1kZ3B1X2NzLmMgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRn cHVfY3MuYwo+IGluZGV4IDllZGIxYTQuLmE2NzIyYTcgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9n cHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X2NzLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vYW1k L2FtZGdwdS9hbWRncHVfY3MuYwo+IEBAIC0xMDc2LDYgKzEwNzYsNyBAQCBzdGF0aWMgaW50IGFt ZGdwdV9jc19zdWJtaXQoc3RydWN0IGFtZGdwdV9jc19wYXJzZXIgKnAsCj4gICAJYW1kZ3B1X2pv Yl9mcmVlX3Jlc291cmNlcyhqb2IpOwo+Cj4gICAJdHJhY2VfYW1kZ3B1X2NzX2lvY3RsKGpvYik7 Cj4gKwlhbWRncHVfY3NfcGFyc2VyX2ZpbmkocCwgMCwgdHJ1ZSk7CgpQbGVhc2UgY29uZmlybToK SXQgd2lsbCBub3QgZnJlZS9yZWxlYXNlIG1vcmUgdGhpbmdzIHRoYXQgbWF5IGJlIGFjY2Vzc2Vk IGluIGpvYiB3b3JraW5nIApwcm9jZXNzLCBhcyBjc19wYXJzZV9maW5pIGZyZWUgc28gbWFueSB0 aGluZ3MgcmVsYXRlZCB0byBwYXJzZXIuCgpPciB3ZSBjYW4ganVzdCByZWxlYXNlIHRoZSBwZCBy ZXNlcnZhdGlvbiBoZXJlPwoKSmVycnkKCj4gICAJYW1kX3NjaGVkX2VudGl0eV9wdXNoX2pvYigm am9iLT5iYXNlKTsKPgo+ICAgCXJldHVybiAwOwo+IEBAIC0xMTMwLDYgKzExMzEsNyBAQCBpbnQg YW1kZ3B1X2NzX2lvY3RsKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIHZvaWQgKmRhdGEsIHN0cnVj dCBkcm1fZmlsZSAqZmlscCkKPgo+ICAgCXIgPSBhbWRncHVfY3Nfc3VibWl0KCZwYXJzZXIsIGNz KTsKPgo+ICsJcmV0dXJuIHI7Cj4gICBvdXQ6Cj4gICAJYW1kZ3B1X2NzX3BhcnNlcl9maW5pKCZw YXJzZXIsIHIsIHJlc2VydmVkX2J1ZmZlcnMpOwo+ICAgCXJldHVybiByOwo+Cl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmFtZC1nZnggbWFpbGluZyBsaXN0 CmFtZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Au b3JnL21haWxtYW4vbGlzdGluZm8vYW1kLWdmeAo=