From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Zhang, Jerry (Junwei)" Subject: Re: [PATCH] drm/scheduler: add NULL pointer check for run queue Date: Mon, 16 Jul 2018 17:17:28 +0800 Message-ID: <5B4C62A8.7020005@amd.com> References: <1531709980-21298-1-git-send-email-Jerry.Zhang@amd.com> <045ffcc7-9b9a-2534-9ebe-295e18ce62e7@gmail.com> <5B4C5EFD.60301@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: 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: =?UTF-8?B?Q2hyaXN0aWFuIEvDtm5pZw==?= , amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org T24gMDcvMTYvMjAxOCAwNToxMSBQTSwgQ2hyaXN0aWFuIEvDtm5pZyB3cm90ZToKPiBBbSAxNi4w Ny4yMDE4IHVtIDExOjAxIHNjaHJpZWIgWmhhbmcsIEplcnJ5IChKdW53ZWkpOgo+PiBPbiAwNy8x Ni8yMDE4IDA0OjMxIFBNLCBDaHJpc3RpYW4gS8O2bmlnIHdyb3RlOgo+Pj4gQW0gMTYuMDcuMjAx OCB1bSAwNDo1OSBzY2hyaWViIEp1bndlaSBaaGFuZzoKPj4+PiBUbyBjaGVjayBycSBwb2ludGVy IGJlZm9yZSBhZGRpbmcgZW50aXR5IGludG8gaXQuCj4+Pj4gVGhhdCBhdm9pZHMgTlVMTCBwb2lu dGVyIGFjY2VzcyBpbiBzb21lIGNhc2UuCj4+Pj4KPj4+PiBTdWdnZXN0ZWQtYnk6IENocmlzdGlh biBLw7ZuaWcgPGNocmlzdGlhbi5rb2VuaWdAYW1kLmNvbT4KPj4+PiBTaWduZWQtb2ZmLWJ5OiBK dW53ZWkgWmhhbmcgPEplcnJ5LlpoYW5nQGFtZC5jb20+Cj4+Pj4gLS0tCj4+Pj4gICBkcml2ZXJz L2dwdS9kcm0vc2NoZWR1bGVyL2dwdV9zY2hlZHVsZXIuYyB8IDQgKysrKwo+Pj4+ICAgMSBmaWxl IGNoYW5nZWQsIDQgaW5zZXJ0aW9ucygrKQo+Pj4+Cj4+Pj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMv Z3B1L2RybS9zY2hlZHVsZXIvZ3B1X3NjaGVkdWxlci5jIGIvZHJpdmVycy9ncHUvZHJtL3NjaGVk dWxlci9ncHVfc2NoZWR1bGVyLmMKPj4+PiBpbmRleCAxNmJmNDQ2Li41ZTUyNjhkIDEwMDY0NAo+ Pj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9zY2hlZHVsZXIvZ3B1X3NjaGVkdWxlci5jCj4+Pj4g KysrIGIvZHJpdmVycy9ncHUvZHJtL3NjaGVkdWxlci9ncHVfc2NoZWR1bGVyLmMKPj4+PiBAQCAt OTEsNiArOTEsMTAgQEAgc3RhdGljIHZvaWQgZHJtX3NjaGVkX3JxX2FkZF9lbnRpdHkoc3RydWN0 IGRybV9zY2hlZF9ycSAqcnEsCj4+Pj4gICB7Cj4+Pj4gICAgICAgaWYgKCFsaXN0X2VtcHR5KCZl bnRpdHktPmxpc3QpKQo+Pj4+ICAgICAgICAgICByZXR1cm47Cj4+Pj4gKyAgICBpZiAoIXJxKSB7 Cj4+Pj4gKyAgICAgICAgRFJNX0VSUk9SKCJycSBpcyBOVUxMIVxuIik7Cj4+Pj4gKyAgICAgICAg cmV0dXJuOwo+Pj4+ICsgICAgfQo+Pj4KPj4+IEJldHRlciBwdXQgdGhhdCBpbnRvIGRybV9zY2hl ZF9lbnRpdHlfcHVzaF9qb2IoKSwgZS5nLiBzb21ldGhpbmcgbGlrZToKPj4KPj4gQ29uc2lkZXJl ZCB0aGF0IGFzIHdlbGwuCj4+IEp1c3QgYmUgYWZyYWlkIG9mIHNvbWVvbmUgZWxzZSBjb3VsZCBj YWxsIGl0IGluIGFub3RoZXIgcGxhY2Ugd2l0aG91dCBycSBjaGVja2luZyBpbiB0aGUgZnV0dXJl Lgo+Cj4gV2VsbCB0aGF0J3MgZXhhY3RseSB0aGUgcmVhc29uIHdoeSBJIHdhbnRlZCB0byBoYXZl IHRoZSBjaGVjayBpbiBkcm1fc2NoZWRfcnFfYWRkX2VudGl0eSgpLgo+Cj4gQ2FsbGluZyBkcm1f c2NoZWRfcnFfYWRkX2VudGl0eSgpIHdpbGwgYSBOVUxMIHJxIGlzIGlsbGVnYWwgYW5kIHRoYXQg c2hvdWxkIGJlIGF2b2lkZWQgaW4gdGhlIGNhbGxlciBpbnN0ZWFkIG9mIG1vcmUgb3IgbGVzcyBz aWxlbnRseSBkcm9wcGVkIGluIHRoZSBmdW5jdGlvbi4KCkZpbmUsIHRvIGV4cG9zZSB0aGUgZXJy b3IgaW4gcGxhY2UgZXhwbGljaXRseS4KClJlZ2FyZHMsCkplcnJ5Cgo+Cj4gUmVnYXJkcywKPiBD aHJpc3RpYW4uCj4KPj4KPj4gUmVnYXJkcywKPj4gSmVycnkKPj4KPj4+Cj4+PiAvKiBmaXJzdCBq b2Igd2FrZXMgdXAgc2NoZWR1bGVyICovCj4+PiBpZiAoZmlyc3QpIHsKPj4+ICAgICAgLyogQWRk IHRoZSBlbnRpdHkgdG8gdGhlIHJ1biBxdWV1ZSAqLwo+Pj4gICAgICBzcGluX2xvY2soJmVudGl0 eS0+cnFfbG9jayk7Cj4+PiAgICAgIGlmICghZW50aXR5LT5ycSkgewo+Pj4gICAgICAgICAgRFJN X0VSUk9SKCJUcnlpbmcgdG8gcHVzaCB0byBraWxsZWQgZW50aXR5IVxuIik7Cj4+PiAuLi4uCj4+ Pgo+Pj4gUmVnYXJkcywKPj4+IENocmlzdGlhbi4KPj4+Cj4+Pj4gICAgICAgc3Bpbl9sb2NrKCZy cS0+bG9jayk7Cj4+Pj4gICAgICAgbGlzdF9hZGRfdGFpbCgmZW50aXR5LT5saXN0LCAmcnEtPmVu dGl0aWVzKTsKPj4+PiAgICAgICBzcGluX3VubG9jaygmcnEtPmxvY2spOwo+Pj4KPgo+IF9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gYW1kLWdmeCBtYWls aW5nIGxpc3QKPiBhbWQtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+IGh0dHBzOi8vbGlzdHMu ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vYW1kLWdmeApfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwphbWQtZ2Z4IG1haWxpbmcgbGlzdAphbWQt Z2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2FtZC1nZngK