From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: [RFC] mm/hmm: pass mmu_notifier_range to sync_cpu_device_pagetables Date: Sat, 8 Jun 2019 11:41:39 +0000 Message-ID: <20190608114133.GA14873@mellanox.com> References: <20190608001452.7922-1-rcampbell@nvidia.com> <20190608091008.GC32185@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190608091008.GC32185@infradead.org> Content-Language: en-US Content-ID: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Christoph Hellwig Cc: Andrea Arcangeli , Ralph Campbell , "linux-rdma@vger.kernel.org" , John Hubbard , "Felix.Kuehling@amd.com" , "dri-devel@lists.freedesktop.org" , "linux-mm@kvack.org" , Jerome Glisse , "amd-gfx@lists.freedesktop.org" List-Id: linux-rdma@vger.kernel.org T24gU2F0LCBKdW4gMDgsIDIwMTkgYXQgMDI6MTA6MDhBTSAtMDcwMCwgQ2hyaXN0b3BoIEhlbGx3 aWcgd3JvdGU6Cj4gT24gRnJpLCBKdW4gMDcsIDIwMTkgYXQgMDU6MTQ6NTJQTSAtMDcwMCwgUmFs cGggQ2FtcGJlbGwgd3JvdGU6Cj4gPiBITU0gZGVmaW5lcyBpdHMgb3duIHN0cnVjdCBobW1fdXBk YXRlIHdoaWNoIGlzIHBhc3NlZCB0byB0aGUKPiA+IHN5bmNfY3B1X2RldmljZV9wYWdldGFibGVz KCkgY2FsbGJhY2sgZnVuY3Rpb24uIFRoaXMgaXMKPiA+IHN1ZmZpY2llbnQgd2hlbiB0aGUgb25s eSBhY3Rpb24gaXMgdG8gaW52YWxpZGF0ZS4gSG93ZXZlciwKPiA+IGEgZGV2aWNlIG1heSB3YW50 IHRvIGtub3cgdGhlIHJlYXNvbiBmb3IgdGhlIGludmFsaWRhdGlvbiBhbmQKPiA+IGJlIGFibGUg dG8gc2VlIHRoZSBuZXcgcGVybWlzc2lvbnMgb24gYSByYW5nZSwgdXBkYXRlIGRldmljZSBhY2Nl c3MKPiA+IHJpZ2h0cyBvciByYW5nZSBzdGF0aXN0aWNzLiBTaW5jZSBzeW5jX2NwdV9kZXZpY2Vf cGFnZXRhYmxlcygpCj4gPiBjYW4gYmUgY2FsbGVkIGZyb20gdHJ5X3RvX3VubWFwKCksIHRoZSBt bWFwX3NlbSBtYXkgbm90IGJlIGhlbGQKPiA+IGFuZCBmaW5kX3ZtYSgpIGlzIG5vdCBzYWZlIHRv IGJlIGNhbGxlZC4KPiA+IFBhc3MgdGhlIHN0cnVjdCBtbXVfbm90aWZpZXJfcmFuZ2UgdG8gc3lu Y19jcHVfZGV2aWNlX3BhZ2V0YWJsZXMoKQo+ID4gdG8gYWxsb3cgdGhlIGZ1bGwgaW52YWxpZGF0 aW9uIGluZm9ybWF0aW9uIHRvIGJlIHVzZWQuCj4gPiAKPiA+IFNpZ25lZC1vZmYtYnk6IFJhbHBo IENhbXBiZWxsIDxyY2FtcGJlbGxAbnZpZGlhLmNvbT4KPiA+IAo+ID4gSSdtIHNlbmRpbmcgdGhp cyBvdXQgbm93IHNpbmNlIHdlIGFyZSB1cGRhdGluZyBtYW55IG9mIHRoZSBITU0gQVBJcwo+ID4g YW5kIEkgdGhpbmsgaXQgd2lsbCBiZSB1c2VmdWwuCj4gCj4gVGhpcyBpcyB0aGUgcmlnaHQgdGhp bmcgdG8gZG8uICBCdXQgdGhlIHJlYWxseSByaWdodCB0aGluZyBpcyB0byBqdXN0Cj4ga2lsbCB0 aGUgaG1tX21pcnJvciBBUEkgZW50aXJlbHkgYW5kIG1vdmUgdG8gbW11X25vdGlmaWVycy4gIEF0 IGxlYXN0Cj4gZm9yIG5vdmVhdSB0aGlzIGFscmVhZHkgaXMgd2F5IHNpbXBsZXIsIGFsdGhvdWdo IHJpZ2h0IG5vdyBpdCBkZWZlYXRzCj4gSmFzb25zIHBhdGNoIHRvIGF2b2lkIGFsbG9jYXRpbmcg dGhlIHN0cnVjdCBobW0gaW4gdGhlIGZhdWx0IHBhdGguCj4gQnV0IGFzIHNhaWQgYmVmb3JlIHRo YXQgY2FuIGJlIGF2b2lkZWQgYnkganVzdCBraWxsaW5nIHN0cnVjdCBobW0sCj4gd2hpY2ggZm9y IG1hbnkgcmVhc29ucyBpcyB0aGUgcmlnaHQgdGhpbmcgdG8gZG8gYW55d2F5Lgo+IAo+IEkndmUg Z290IGEgc2VyaWVzIGhlcmUsIHdoaWNoIGlzIGEgYml0IGJyb2tlbiAoZXBlY2lhbGx5IHRoZSBs YXN0Cj4gcGF0Y2ggY2FuJ3Qgd29yayBhcy1pcyksIGJ1dCBzaG91bGQgZXhwbGFpbiB3aGVyZSBJ J20gdHJ5aW5nIHRvIGhlYWQ6Cj4gCj4gaHR0cDovL2dpdC5pbmZyYWRlYWQub3JnL3VzZXJzL2hj aC9taXNjLmdpdC9zaG9ydGxvZy9yZWZzL2hlYWRzL2htbS1taXJyb3Itc2ltcGxpZmljYXRpb24K CkF0IGxlYXN0IHRoZSBjdXJyZW50IGhtbSBhcHByb2FjaCBkb2VzIHJlbHkgb24gdGhlIGNvbGxp c2lvbiByZXRyeQpsb2NraW5nIHNjaGVtZSBpbiBzdHJ1Y3QgaG1tL3N0cnVjdCBobW1fcmFuZ2Ug Zm9yIHRoZSBwYWdlZmF1bHQgc2lkZQp0byB3b3JrIHJpZ2h0LgoKU28sIGJlZm9yZSB3ZSBjYW4g YXBwbHkgcGF0Y2ggb25lIGluIHRoaXMgc2VyaWVzIHdlIG5lZWQgdG8gZml4CmhtbV92bWFfZmF1 bHQoKSBhbmQgYWxsIGl0cyB2YXJpZW50cy4gT3RoZXJ3aXNlIHRoZSBkcml2ZXIgd2lsbCBiZQpi cm9rZW4uCgpJJ20gaG9waW5nIHRvIGZpcnN0IGRlZmluZSB3aGF0IHRoaXMgbG9ja2luZyBzaG91 bGQgYmUgKHNlZSBvdGhlcgplbWFpbHMgdG8gUmFscGgpIHRoZW4sIGlkZWFsbHksIHNlZSBpZiB3 ZSBjYW4gZXh0ZW5kIG1tdSBub3RpZmllcnMgdG8KZ2V0IGl0IGRpcmVjdGx5IHdpdGhvdXRoIGht bSBzdHVmZi4KClRoZW4gd2UgYXBwbHkgeW91ciBwYXRjaCBvbmUgYW5kIHRoZSBobW0gb3BzIHdy YXBwZXIgZGllcy4KCkphc29uCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNr dG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2Ry aS1kZXZlbA==