From mboxrd@z Thu Jan 1 00:00:00 1970 From: Huang Rui Subject: Re: [PATCH 1/2] drm/ttm: set ttm_buffer_object pointer as null after it's freed Date: Mon, 10 Sep 2018 20:05:06 +0800 Message-ID: <20180910120502.GC22247@hr-amur2> References: <1536569876-27262-1-git-send-email-ray.huang@amd.com> <20180910092320.GA22247@hr-amur2> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: "Koenig, Christian" Cc: "StDenis, Tom" , "amd-gfx@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" List-Id: amd-gfx.lists.freedesktop.org T24gTW9uLCBTZXAgMTAsIDIwMTggYXQgMDU6MjU6NDhQTSArMDgwMCwgS29lbmlnLCBDaHJpc3Rp YW4gd3JvdGU6Cj4gQW0gMTAuMDkuMjAxOCB1bSAxMToyMyBzY2hyaWViIEh1YW5nIFJ1aToKPiA+ IE9uIE1vbiwgU2VwIDEwLCAyMDE4IGF0IDExOjAwOjA0QU0gKzAyMDAsIENocmlzdGlhbiBLw7Zu aWcgd3JvdGU6Cj4gPj4gSGkgUmF5LAo+ID4+Cj4gPj4gd2VsbCB0aG9zZSBwYXRjaGVzIGRvZXNu J3QgbWFrZSBzZW5zZSwgdGhlIHBvaW50ZXIgaXMgb25seSBsb2NhbCB0bwo+ID4+IHRoZSBmdW5j dGlvbi4KPiA+IFlvdSdyZSByaWdodC4KPiA+IEkgbmFycm93ZWQgaXQgd2l0aCBnZGIgZHVtcCBm cm9tIHR0bV9ib19idWxrX21vdmVfbHJ1X3RhaWwrMHgyYiwgdGhlCj4gPiB1c2UtYWZ0ZXItZnJl ZSBzaG91bGQgYmUgaW4gYmVsb3cgY29kZXM6Cj4gPgo+ID4gbWFuID0gJmJ1bGstPnR0W2ldLmZp cnN0LT5iZGV2LT5tYW5bVFRNX1BMX1RUXTsKPiA+IHR0bV9ib19idWxrX21vdmVfaGVscGVyKCZi dWxrLT50dFtpXSwgJm1hbi0+bHJ1W2ldLCBmYWxzZSk7Cj4gPgo+ID4gSXMgdGhlcmUgYSBjYXNl LCB3aGVuIG9yaWduYWwgYm8gaXMgZGVzdHJveWVkIGluIHRoZSBidWxrIHBvcywgYnV0IGl0Cj4g PiBkb2Vzbid0IHVwZGF0ZSBwb3MtPmZpcnN0IHBvaW50ZXIsIHRoZW4gd2Ugc3RpbGwgdXNlIGl0 IGR1cmluZyB0aGUgYnVsawo+ID4gbW92aW5nPwo+IAo+IE9ubHkgd2hlbiBhIHBlciBWTSBCTyBp cyBmcmVlZCBvciB0aGUgVk0gZGVzdHJveWVkLgo+IAo+IFRoZSBmaXJzdCBjYXNlIHNob3VsZCBu b3cgYmUgaGFuZGxlZCBieSAiZHJtL2FtZGdwdTogc2V0IGJ1bGtfbW92ZWFibGUgCj4gdG8gZmFs c2Ugd2hlbiBhIHBlciBWTSBpcyByZWxlYXNlZCIgYW5kIHdoZW4gd2UgdXNlIGEgZGVzdHJveWVk IFZNIHdlIAo+IHdvdWxkIHNlZSBvdGhlciBwcm9ibGVtcyBhcyB3ZWxsLgo+IAoKSWYgYSBWTSBp bnN0YW5jZSBpcyB0ZWFyZWQgZG93biwgYWxsIEJPcyB3aGljaCBiZWxvbmcgdGhhdCBWTSBzaG91 bGQgYmUKcmVtb3ZlZCBmcm9tIExSVS4gQnV0IGhvdyBjYW4gd2Ugc3VibWl0IGNtZCBiYXNlZCBv biBhIGRlc3Ryb3llZCBWTT8gWW91Cmtub3csIHdlIGRvIHRoZSBidWxrIG1vdmUgYXQgbGFzdCBz dGVwIG9mIHN1Ym1pc3Npb24uCgoKVGhhbmtzLApSYXkKCj4gQlRXOiBKdXN0IHB1c2hlZCB0aGlz IGNvbW1pdCB0byB0aGUgcmVwb3NpdG9yeSwgc2hvdWxkIHNob3cgdXAgYW55IHNlY29uZC4KPiAK PiBDaHJpc3RpYW4uCj4gCj4gPgo+ID4gVGhhbmtzLAo+ID4gUmF5Cj4gPgo+ID4+IFJlZ2FyZHMs Cj4gPj4gQ2hyaXN0aWFuLgo+ID4+Cj4gPj4gQW0gMTAuMDkuMjAxOCB1bSAxMDo1NyBzY2hyaWVi IEh1YW5nIFJ1aToKPiA+Pj4gSXQgYXZvaWRzIHRvIGJlIHJlZmVyZWQgYWdhaW4gYWZ0ZXIgZnJl ZWQuCj4gPj4+Cj4gPj4+IFNpZ25lZC1vZmYtYnk6IEh1YW5nIFJ1aSA8cmF5Lmh1YW5nQGFtZC5j b20+Cj4gPj4+IENjOiBDaHJpc3RpYW4gS8O2bmlnIDxjaHJpc3RpYW4ua29lbmlnQGFtZC5jb20+ Cj4gPj4+IENjOiBUb20gU3REZW5pcyA8VG9tLlN0RGVuaXNAYW1kLmNvbT4KPiA+Pj4gLS0tCj4g Pj4+ICAgZHJpdmVycy9ncHUvZHJtL3R0bS90dG1fYm8uYyB8IDEgKwo+ID4+PiAgIDEgZmlsZSBj aGFuZ2VkLCAxIGluc2VydGlvbigrKQo+ID4+Pgo+ID4+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9n cHUvZHJtL3R0bS90dG1fYm8uYyBiL2RyaXZlcnMvZ3B1L2RybS90dG0vdHRtX2JvLmMKPiA+Pj4g aW5kZXggMTM4Yzk4OS4uZDNlZjVmOCAxMDA2NDQKPiA+Pj4gLS0tIGEvZHJpdmVycy9ncHUvZHJt L3R0bS90dG1fYm8uYwo+ID4+PiArKysgYi9kcml2ZXJzL2dwdS9kcm0vdHRtL3R0bV9iby5jCj4g Pj4+IEBAIC01NCw2ICs1NCw3IEBAIHN0YXRpYyBzdHJ1Y3QgYXR0cmlidXRlIHR0bV9ib19jb3Vu dCA9IHsKPiA+Pj4gICBzdGF0aWMgdm9pZCB0dG1fYm9fZGVmYXVsdF9kZXN0cm95KHN0cnVjdCB0 dG1fYnVmZmVyX29iamVjdCAqYm8pCj4gPj4+ICAgewo+ID4+PiAgIAlrZnJlZShibyk7Cj4gPj4+ ICsJYm8gPSBOVUxMOwo+ID4+PiAgIH0KPiA+Pj4gICBzdGF0aWMgaW5saW5lIGludCB0dG1fbWVt X3R5cGVfZnJvbV9wbGFjZShjb25zdCBzdHJ1Y3QgdHRtX3BsYWNlICpwbGFjZSwKPiA+PiBfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+ID4+IGFtZC1nZngg bWFpbGluZyBsaXN0Cj4gPj4gYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiA+PiBodHRw czovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2FtZC1nZngKPiAKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1h aWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMu ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==