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 19:58:27 +0800 Message-ID: <20180910115826.GA10993@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+IHdvdWxkIHNlZSBvdGhlciBwcm9ibGVtcyBhcyB3ZWxsLgoKV2hlbiBhIFZNIGlu c3RhbmNlIGlzIHRlYXJlZCBkb3duLCBhbGwgQk9zIHdoaWNoIGJlbG9uZyB0byB0aGF0IFZNIHNo b3VsZApiZSByZW1vdmVkIGZyb20gTFJVIGxpc3QuIEhvdyBjYW4gd2UgdXNlIGEgZGVzdHJveWVk IFZNIHdoZW4gd2Ugc3VibW1pdCBhCmNvbW1hbmQ/IFlvdSBrbm93LCB3ZSBkbyB0aGUgYnVsayBt b3ZpbmcgYXQgdGhlIGxhc3Qgc3RlcCBvZiBzdWJtaXNzaW9uLgoKPiAKPiBCVFc6IEp1c3QgcHVz aGVkIHRoaXMgY29tbWl0IHRvIHRoZSByZXBvc2l0b3J5LCBzaG91bGQgc2hvdyB1cCBhbnkgc2Vj b25kLgoKSSBzZWUsIHRoYW5rcy4KClRoYW5rcywKUmF5Cgo+IAo+IENocmlzdGlhbi4KPiAKPiA+ Cj4gPiBUaGFua3MsCj4gPiBSYXkKPiA+Cj4gPj4gUmVnYXJkcywKPiA+PiBDaHJpc3RpYW4uCj4g Pj4KPiA+PiBBbSAxMC4wOS4yMDE4IHVtIDEwOjU3IHNjaHJpZWIgSHVhbmcgUnVpOgo+ID4+PiBJ dCBhdm9pZHMgdG8gYmUgcmVmZXJlZCBhZ2FpbiBhZnRlciBmcmVlZC4KPiA+Pj4KPiA+Pj4gU2ln bmVkLW9mZi1ieTogSHVhbmcgUnVpIDxyYXkuaHVhbmdAYW1kLmNvbT4KPiA+Pj4gQ2M6IENocmlz dGlhbiBLw7ZuaWcgPGNocmlzdGlhbi5rb2VuaWdAYW1kLmNvbT4KPiA+Pj4gQ2M6IFRvbSBTdERl bmlzIDxUb20uU3REZW5pc0BhbWQuY29tPgo+ID4+PiAtLS0KPiA+Pj4gICBkcml2ZXJzL2dwdS9k cm0vdHRtL3R0bV9iby5jIHwgMSArCj4gPj4+ICAgMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0aW9u KCspCj4gPj4+Cj4gPj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vdHRtL3R0bV9iby5j IGIvZHJpdmVycy9ncHUvZHJtL3R0bS90dG1fYm8uYwo+ID4+PiBpbmRleCAxMzhjOTg5Li5kM2Vm NWY4IDEwMDY0NAo+ID4+PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vdHRtL3R0bV9iby5jCj4gPj4+ ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS90dG0vdHRtX2JvLmMKPiA+Pj4gQEAgLTU0LDYgKzU0LDcg QEAgc3RhdGljIHN0cnVjdCBhdHRyaWJ1dGUgdHRtX2JvX2NvdW50ID0gewo+ID4+PiAgIHN0YXRp YyB2b2lkIHR0bV9ib19kZWZhdWx0X2Rlc3Ryb3koc3RydWN0IHR0bV9idWZmZXJfb2JqZWN0ICpi bykKPiA+Pj4gICB7Cj4gPj4+ICAgCWtmcmVlKGJvKTsKPiA+Pj4gKwlibyA9IE5VTEw7Cj4gPj4+ ICAgfQo+ID4+PiAgIHN0YXRpYyBpbmxpbmUgaW50IHR0bV9tZW1fdHlwZV9mcm9tX3BsYWNlKGNv bnN0IHN0cnVjdCB0dG1fcGxhY2UgKnBsYWNlLAo+ID4+IF9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCj4gPj4gYW1kLWdmeCBtYWlsaW5nIGxpc3QKPiA+PiBh bWQtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+ID4+IGh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vYW1kLWdmeAo+IApfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZl bEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFp bG1hbi9saXN0aW5mby9kcmktZGV2ZWwK