From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: [PATCH 0/3] Fix virtio-blk issue with SWIOTLB Date: Mon, 14 Jan 2019 13:20:45 -0500 Message-ID: <20190114131114-mutt-send-email-mst__45575.6132527769$1547693477$gmane$org@kernel.org> References: <20190110134433.15672-1-joro@8bytes.org> <5ae1341e-62ec-0478-552b-259eabf9fb17@redhat.com> <20190111091502.GC5825@8bytes.org> <38bcbd46-674c-348a-cbd6-66bd431e986a@redhat.com> <20190114095002.GA29874@lst.de> 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: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Jason Wang Cc: Jens Axboe , brijesh.singh@amd.com, Konrad Rzeszutek Wilk , Joerg Roedel , jon.grimm@amd.com, jfehlig@suse.com, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-block@vger.kernel.org, iommu@lists.linux-foundation.org, Christoph Hellwig List-Id: virtualization@lists.linuxfoundation.org T24gTW9uLCBKYW4gMTQsIDIwMTkgYXQgMDg6NDE6MzdQTSArMDgwMCwgSmFzb24gV2FuZyB3cm90 ZToKPiAKPiBPbiAyMDE5LzEvMTQg5LiL5Y2INTo1MCwgQ2hyaXN0b3BoIEhlbGx3aWcgd3JvdGU6 Cj4gPiBPbiBNb24sIEphbiAxNCwgMjAxOSBhdCAwNTo0MTo1NlBNICswODAwLCBKYXNvbiBXYW5n IHdyb3RlOgo+ID4gPiBPbiAyMDE5LzEvMTEg5LiL5Y2INToxNSwgSm9lcmcgUm9lZGVsIHdyb3Rl Ogo+ID4gPiA+IE9uIEZyaSwgSmFuIDExLCAyMDE5IGF0IDExOjI5OjMxQU0gKzA4MDAsIEphc29u IFdhbmcgd3JvdGU6Cj4gPiA+ID4gPiBKdXN0IHdvbmRlciBpZiBteSB1bmRlcnN0YW5kaW5nIGlz IGNvcnJlY3QgSU9NTVVfUExBVEZPUk0gbXVzdCBiZSBzZXQgZm9yCj4gPiA+ID4gPiBhbGwgdmly dGlvIGRldmljZXMgdW5kZXIgQU1ELVNFViBndWVzdHM/Cj4gPiA+ID4gWWVzLCB0aGF0IGlzIGNv cnJlY3QuIEVtdWxhdGVkIERNQSBjYW4gb25seSBoYXBwZW4gb24gdGhlIFNXSU9UTEIKPiA+ID4g PiBhcGVydHVyZSwgYmVjYXVzZSB0aGF0IG1lbW9yeSBpcyBub3QgZW5jcnlwdGVkLiBUaGUgZ3Vl c3QgYm91bmNlcyB0aGUKPiA+ID4gPiBkYXRhIHRoZW4gdG8gaXRzIGVuY3J5cHRlZCBtZW1vcnku Cj4gPiA+ID4gCj4gPiA+ID4gUmVnYXJkcywKPiA+ID4gPiAKPiA+ID4gPiAJSm9lcmcKPiA+ID4g Cj4gPiA+IFRoYW5rcywgaGF2ZSB5b3UgdGVzdGVkIHZob3N0LW5ldCBpbiB0aGlzIGNhc2UuIEkg c3VzcGVjdCBpdCBtYXkgbm90IHdvcmsKPiA+IFdoaWNoIGJyaW5ncyBtZSBiYWNrIHRvIG15IHBl dCBwZXZlZSB0aGF0IHdlIG5lZWQgdG8gdGFrZSBhY3Rpb25zCj4gPiB0aGF0IHZpcnRpbyB1c2Vz IHRoZSBwcm9wZXIgZG1hIG1hcHBpbmcgQVBJIGJ5IGRlZmF1bHQgd2l0aCBxdWlya3MKPiA+IGZv ciBsZWdhY3kgY2FzZXMuICBUaGUgbWFnaWMgYnlwYXNzIGl0IHVzZXMgaXMganVzdCBjYXVzaW5n IHByb2JsZW1zCj4gPiBvdmVyIHByb2JsZW1zLgo+IAo+IAo+IFllcywgSSBmdWxseSBhZ3JlZSB3 aXRoIHlvdS4gVGhpcyBpcyBwcm9iYWJseSBhbiBleGFjdCBleGFtcGxlIG9mIHN1Y2gKPiBwcm9i bGVtLgo+IAo+IFRoYW5rcwoKSSBkb24ndCB0aGluayBzbyAtIHRoZSBpc3N1ZSBpcyByZWFsbHkg dGhhdCBETUEgQVBJIGRvZXMgbm90IHlldCBoYW5kbGUKdGhlIFNFViBjYXNlIDEwMCUgY29ycmVj dGx5LiBJIHN1c3BlY3QgcGFzc3Rocm91Z2ggZGV2aWNlcyB3b3VsZCBoYXZlCnRoZSBzYW1lIGlz c3VlLgoKSW4gZmFjdCB3aG9ldmVyIHNldHMgSU9NTVVfUExBVEZPUk0gaXMgY29tcGxldGVseSB1 bmFmZmVjdGVkIGJ5CkNocmlzdG9waCdzIHBldCBwZWV2ZS4KCkNocmlzdG9waCBpcyBzYXlpbmcg dGhhdCAhSU9NTVVfUExBVEZPUk0gZGV2aWNlcyBzaG91bGQgaGlkZSB0aGUKY29tcGF0aWJpbGl0 eSBjb2RlIGluIGEgc3BlY2lhbCBwZXItZGV2aWNlIERNQSBBUEkgaW1wbGVtZW50YXRpb24uCldo aWNoIHdvdWxkIGJlIGZpbmUgZXNwZWNpYWxseSBpZiB3ZSBjYW4gbWFuYWdlIG5vdCB0byBpbnRy b2R1Y2UgYSBidW5jaApvZiBpbmRpcmVjdCBjYWxscyBhbGwgb3ZlciB0aGUgcGxhY2UgYW5kIGh1 cnQgcGVyZm9ybWFuY2UuICBJdCdzIGp1c3QKdGhhdCB0aGUgYmVuZWZpdCBpcyB1bmxpa2VseSB0 byBiZSBiaWcgKGUuZy4gd2UgY2FuJ3QgYWxzbyBnZXQgcmlkIG9mCnRoZSB2aXJ0aW8gc3BlY2lm aWMgbWVtb3J5IGJhcnJpZXJzKSBzbyBubyBvbmUgd2FzIG1vdGl2YXRlZCBlbm91Z2ggdG8Kd29y ayBvbiBpdC4KCi0tIApNU1QKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KVmlydHVhbGl6YXRpb24gbWFpbGluZyBsaXN0ClZpcnR1YWxpemF0aW9uQGxpc3Rz LmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9t YWlsbWFuL2xpc3RpbmZvL3ZpcnR1YWxpemF0aW9u