From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ralph Campbell Subject: Re: [PATCH 1/2] mm/hmm: hmm_range_fault() NULL pointer bug Date: Mon, 26 Aug 2019 11:02:12 -0700 Message-ID: References: <20190823221753.2514-1-rcampbell@nvidia.com> <20190823221753.2514-2-rcampbell@nvidia.com> <20190824223754.GA21891@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190824223754.GA21891-jcswGhMUV9g@public.gmane.org> 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: Christoph Hellwig Cc: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Jason Gunthorpe , amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Andrew Morton Ck9uIDgvMjQvMTkgMzozNyBQTSwgQ2hyaXN0b3BoIEhlbGx3aWcgd3JvdGU6Cj4gT24gRnJpLCBB dWcgMjMsIDIwMTkgYXQgMDM6MTc6NTJQTSAtMDcwMCwgUmFscGggQ2FtcGJlbGwgd3JvdGU6Cj4+ IEFsdGhvdWdoIGhtbV9yYW5nZV9mYXVsdCgpIGNhbGxzIGZpbmRfdm1hKCkgdG8gbWFrZSBzdXJl IHRoYXQgYSB2bWEgZXhpc3RzCj4+IGJlZm9yZSBjYWxsaW5nIHdhbGtfcGFnZV9yYW5nZSgpLCBo bW1fdm1hX3dhbGtfaG9sZSgpIGNhbiBzdGlsbCBiZSBjYWxsZWQKPj4gd2l0aCB3YWxrLT52bWEg PT0gTlVMTCBpZiB0aGUgc3RhcnQgYW5kIGVuZCBhZGRyZXNzIGFyZSBub3QgY29udGFpbmVkCj4+ IHdpdGhpbiB0aGUgdm1hIHJhbmdlLgo+IAo+IFNob3VsZCB3ZSBjb252ZXJ0IHRvIHdhbGtfdm1h X3JhbmdlIGluc3RlYWQ/ICBPciBrZWVwIHdhbGtfcGFnZV9yYW5nZQo+IGJ1dCBkcm9wIHNlYXJj aGluZyB0aGUgdm1hIG91cnNlbHZlcz8KPiAKPiBFeGNlcHQgZm9yIHRoYXQgdGhlIHBhdGNoIGxv b2tzIGdvb2QgdG8gbWU6Cj4gCj4gUmV2aWV3ZWQtYnk6IENocmlzdG9waCBIZWxsd2lnIDxoY2hA bHN0LmRlPgo+IAoKSSB0aGluayBrZWVwaW5nIHRoZSBjYWxsIHRvIHdhbGtfcGFnZV9yYW5nZSgp IG1ha2VzIHNlbnNlLgpKYXNvbiBpcyBob3BpbmcgdG8gYmUgYWJsZSB0byBzbmFwc2hvdCBhIHJh bmdlIHdpdGggJiB3aXRob3V0IHZtYXMKYW5kIGhhdmUgdGhlIHBmbnNbXSBmaWxsZWQgd2l0aCBl bXB0eS92YWxpZCBlbnRyaWVzIGFzIGFwcHJvcHJpYXRlLgoKSSBwbGFuIHRvIHJlcG9zdCBteSBw YXRjaCBjaGFuZ2luZyBobW1fcmFuZ2VfZmF1bHQoKSB0byB1c2UKd2Fsay50ZXN0X3dhbGsgd2hp Y2ggd2lsbCByZW1vdmUgdGhlIGNhbGwgdG8gZmluZF92bWEoKS4KSmFzb24gaGFkIHNvbWUgY29u Y2VybnMgYWJvdXQgdGVzdGluZyBpdCBzbyB0aGF0J3Mgd2h5IEkgaGF2ZQpiZWVuIHdvcmtpbmcg b24gc29tZSBITU0gc2VsZiB0ZXN0cyBiZWZvcmUgcmVzZW5kaW5nIGl0LgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwphbWQtZ2Z4IG1haWxpbmcgbGlzdAph bWQtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2FtZC1nZng=