From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Christian_K=c3=b6nig?= Subject: Re: [PATCH] drm/amdgpu: fix a kcq hang issue for SRIOV Date: Tue, 27 Mar 2018 19:18:14 +0200 Message-ID: <5c2b0241-4ddd-522e-3d94-9a29ba04ab2e@gmail.com> References: <1522130286-25401-1-git-send-email-Emily.Deng@amd.com> <183c370b-bcf5-fd80-429e-8418f2b1a105@gmail.com> <97d802df-4563-7a6a-eae4-d14313762015@amd.com> Reply-To: christian.koenig-5C7GfCeVMHo@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-US 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: Alex Deucher , =?UTF-8?Q?Christian_K=c3=b6nig?= Cc: Emily Deng , Monk Liu , amd-gfx list QW0gMjcuMDMuMjAxOCB1bSAxODo1NiBzY2hyaWViIEFsZXggRGV1Y2hlcjoKPiBPbiBUdWUsIE1h ciAyNywgMjAxOCBhdCAxMjozMCBQTSwgQ2hyaXN0aWFuIEvDtm5pZwo+IDxjaHJpc3RpYW4ua29l bmlnQGFtZC5jb20+IHdyb3RlOgo+PiBBbSAyNy4wMy4yMDE4IHVtIDE3OjUyIHNjaHJpZWIgQWxl eCBEZXVjaGVyOgo+Pj4gW1NOSVBdCj4+Pj4+IDIuIGFkZCB0aGUgbmV3IGNhbGxiYWNrIGltcGxl bWVudGF0aW9uIHRvIGdmeDkgYW5kIGdmeDggKEkgdGhpbmsgZ2Z4OAo+Pj4+PiB3aWxsIG5lZWQg dGhpcyBhcyB3ZWxsIHNpbmNlIHdlIHN1cHBvcnQgc3ItaW92IHRoZXJlIHRvbykKPj4+Pgo+Pj4+ IGdmeDggZG9lc24ndCBoYXZlIHRoZSBoYXJkd2FyZSBidWcgd2hpY2ggc2VlbXMgdG8gbWFrZSB0 aGlzIG5lY2Vzc2FyeSwKPj4+PiBub3QKPj4+PiBkb2VzIGl0IGhhdmUgdGhlIHNhbWUgVk1IVUIg ZGVzaWduIGFzIGdmeDkuCj4+PiBPaCwgcmlnaHQsIGluIHRoaXMgY2FzZSBpdCdzIHRoZSByZXEv YWNrIGVuZ2luZXMgd2hpY2ggd2VyZSBuZXcgZm9yCj4+PiBzb2MxNS4gIFdlIG1heSB3YW50IHRo ZSBzYW1lIGZpeCBmb3Igc2RtYTQgdGhvdWdoLgo+Pgo+PiBBbmQgZXhhY3RseSB0aGF0IGlzIG9u ZSBvZiB0aGUgcmVhc29ucyB3aHkgdGhpcyB3b3JrYXJvdW5kIGRvZXNuJ3Qgd29yawo+PiBjb3Jy ZWN0bHkuCj4+Cj4+IFRoZSBTRE1BIGlzIG5vdCBkaXJlY3RseSBjb25uZWN0ZWQgdG8gdGhlIEdG WEhVQiwgc28gZXZlbiBpZiB0aGUgU0RNQSB3b3VsZAo+PiBwcm92aWRlIGEgc2luZ2xlIGNvbW1h bmQgZm9yIHRoaXMgdGhlIHdyaXRlL3dhaXQgd291bGQgc3RpbGwgYmUgZXhlY3V0ZWQgYXMKPj4g dHdvIG9wZXJhdGlvbnMuCj4gSSdtIG5vdCBzdXJlIEkgZm9sbG93LiAgSSB0aGluayB0aGVyZSBh cmUgdHdvIGlzc3VlczogdGhlIGh3IGJ1ZyB5b3UKPiBhcmUgcmVmZXJyaW5nIHRvIGFuZCB0aGUg U1ItSU9WIHJlcXVpcmVtZW50IHRoYXQgdGhlIHJlcSBhbmQgdGhlIGFjawo+IGNhbid0IGJlIHNw bGl0IGJ5IGEgd29ybGQgc3dpdGNoLiAgSSBiZWxpZXZlIHRoZSB3b3JsZCBzd2l0Y2ggaGFwcGVu cwo+IGF0IGF0IGxlYXN0IHBhY2tldCBncmFudWxhcml0eSBzbyBJIHRoaW5rIGZvciB0aGUgU1It SU9WIHJlcXVpcmVtZW50Cj4gdXNpbmcgYSBzaW5nbGUgcGFja2V0IHNob3VsZCBoYW5kbGUgaXQu CgpUaGUgcHJvYmxlbSBpcyB0byBtZSBpdCBsb29rcyBsaWtlIHRoZXJlIGlzIG5vIFNSLUlPViBy ZXF1aXJlbWVudCB0byBub3QgCnNwbGl0IHRoZSByZXEgYW5kIGFjay4gVGhlIGhhcmR3YXJlIGlz IGR1cGxpY2F0ZWQgcGVyIFZGIGFuZCBJIHN1Z2dlc3RlZCAKdG8gRW1pbHkgdG8gdGVzdCBteSBt dWx0aXBsZSB3cml0ZSB3b3JrYXJvdW5kLgoKU2luY2UgSSBkaWRuJ3QgaGVhcmQgYmFjayBJIHN0 cm9uZ2x5IGFzc3VtZSB0aGF0IHRoaXMgd29ya2VkIGFzIHdlbGwgYW5kIAp0aGF0IGNhbiBvbmx5 IG1lYW4gdGhhdCB3ZSBhcmUgaW5kZWVkIHJ1bm5pbmcgaW50byB0aGUgc2FtZSBodyBpc3N1ZSBh Z2Fpbi4KClRoYXQgaW4gdHVybiBtZWFucyB0aGF0IG5vdCBvbmx5IHRoZSBHRlhIVUIgaXMgYWZm ZWN0LCBidXQgQU5ZIChHUkJNPykgCnJlZ2lzdGVyIHdyaXRlIGNvdWxkIGJlIHNpbGVudGx5IGRy b3BwZWQuIEkgY2FuJ3QgaW1hZ2luZSBob3cgd2Ugd2FudCB0byAKYnVpbGQgYSBzdGFibGUgZHJp dmVyIGFyb3VuZCB0aGlzLgoKSSB1bmZvcnR1bmF0ZWx5IGNhbid0IHJlbGlhYmxlIHJlcHJvZHVj ZSB0aGUgaXNzdWUgb24gYmFyZSBtZXRhbCBhbnkgCm1vcmUuIEl0IHdvdWxkIHByb2JhYmx5IGJl c3QgaWYgd2UgY291bGQgc2V0dXAgYSBjYWxsIHdpdGggc29tZSBvZiB0aGUgCmhhcmR3YXJlIGd1 eXMgdG8gY29tZSB1cCB3aXRoIGEgcGxhbiB0byBuYXJyb3cgZG93biB0aGlzIGlzc3VlIGZ1cnRo ZXIuCgpSZWdhcmRzLApDaHJpc3RpYW4uCgo+Cj4+IEluIG90aGVyIHdvcmRzIHdlIGNhbiBhZ2Fp biBydW4gaW50byB0aGUgcHJvYmxlbSBhbmQgdGhlIHNhbWUgdGhpbmcgYXBwbGllcwo+PiBmb3Ig Q1BVIGJhc2VkIHVwZGF0ZXMuCj4geWVhaCwgQ1BVIGJhc2VkIHVwZGF0ZXMgY291bGQgaW5kZWVk IGJlIGFuIGlzc3VlIGZvciB0aGUgU1ItSU9WCj4gcmVxdWlyZW1lbnQsIGJ1dCBpbiB0aGF0IGNh c2UgaXQncyBlYXNpZXIgdG8gcmVhZCBiYWNrIGFuZCByZXRyeS4KPgo+IEFsZXgKPgo+Cj4+IFRo ZSBvbmx5IHJlYWwgd29ya2Fyb3VuZCB3b3VsZCBiZSB0byB3cml0ZSB0aGUgcmVxdWVzdCwgcmVh ZCB0aGUgcmVnaXN0ZXIKPj4gYmFjayBhbmQgaWYgdGhlIHdyaXRlIGRpZG4ndCBzdWNjZWVkZWQg d3JpdGUgaXQgYWdhaW4uCj4+Cj4+IEJ1dCBzZXJpb3VzbHkgcmVtZW1iZXIgdGhhdCB0aGlzIGlz c3VlIGlzIG5vdCBsaW1pdGVkIHRvIHRoZSBWTUhVQgo+PiByZWdpc3RlcnMuIERvIHlvdSB3YW50 IHRvIHdyaXRlIGFuZCByZWFkIGJhY2sgZXZlcnkgcmVnaXN0ZXIgdG8gbWFrZSBzdXJlCj4+IHRo ZSB3cml0ZSBzdWNjZWVkZWQ/Cj4+Cj4+IFJlZ2FyZHMsCj4+IENocmlzdGlhbi4KPiBfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+IGFtZC1nZnggbWFpbGlu ZyBsaXN0Cj4gYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwczovL2xpc3RzLmZy ZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2FtZC1nZngKCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmFtZC1nZnggbWFpbGluZyBsaXN0CmFtZC1n ZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vYW1kLWdmeAo=