From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wright Subject: Re: [Bug 42679] New: DMA Read on Marvell 88SE9128 fails when Intel's IOMMU is on Date: Mon, 30 Jan 2012 15:32:11 -0800 Message-ID: <20120130233211.GM24091@sequoia.sous-sol.org> References: <20120130125934.7971c815.akpm@linux-foundation.org> <4F270E8C.2000406@redhat.com> 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: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: =?utf-8?B?UGF3ZcWCIMW7YWs=?= Cc: bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r@public.gmane.org, linux-ide-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Andrew Morton , David Woodhouse List-Id: linux-ide@vger.kernel.org KiBQYXdlxYIgxbthayAocGF3ZWwuemFxQGdtYWlsLmNvbSkgd3JvdGU6Cj4gT24gTW9uLCAzMCBK YW4gMjAxMiAyMjo0MTozMiArMDEwMCwgRG9uIER1dGlsZSA8ZGR1dGlsZUByZWRoYXQuY29tPiB3 cm90ZToKPiA+V2VsbCwgdGhlIGxzcGNpIGR1bXAgaW4gdGhlIGJ1Z3ppbGxhIHJlcG9ydCBkb2Vz bid0IHNob3cgYSBkZXZpY2UKPiA+dy9CREY9MGI6MDAuMTsKPiA+c28sIGlmIHRoZSBTQVRBIGRl dmljZSAod2hpY2ggaXMgMGI6MDAuMCkgaXMgc3BpdHRpbmcgb3V0IDBiOjAwLjEKPiA+YXMgdGhl IHNvdXJjZQo+ID5vZiBhbnkgb2YgaXRzIERNQSBwYWNrZXRzLCB0aGUgSU9NTVUgd2lsbCBmYXVs dCBvbiBpdCwgc2luY2UKPiA+MGI6MDAuMSBkaWRuJ3QKPiA+cmVxdWVzdCBETUEgbWFwcGluZ3Mg KDBiOjAwLjAgZGlkKS4KPiA+SSBzZW1pLXJlY2FsbCBzb21lb25lIGVsc2UgcmVwb3J0aW5nIHRo aXMgJ2ZlYXR1cmUnIG9uIHRoaXMgbGlzdC4KPiA+V29uZGVyIGlmIHBjaS1xdWlyayBoYXMgdG8g ZmlsdGVyIHRoaXMgY2FzZSAoMGI6MDAuMCBvbiB0aGlzIHN5c3RlbSBtZWFucwo+ID5tYXAgZm9y IDBiOjAwLjAgJiAwYjowMC4xIC0tIGljayEpCj4gPgo+ID5kbyBhbm90aGVyIGxzcGNpIC12dnYg dG8gZW5zdXJlIHRoYXQgMGI6MDAuMSB3YXNuJ3QgZXhjbHVkZWQgaW4gdGhlIGxpc3QuCj4gPmlm IGl0IGRvZXNuJ3QgZXhpc3QsIHRoZW4gdGhlIHByb2JsZW0gaXMgdGhlIFNBVEEgZGV2aWNlIHVz aW5nIGFuCj4gPnVua25vd24vdW5yZWNvZ25pemVkCj4gPkJERiBvZiAwYjowMC4xCj4gCj4gWWVw LCB0aGF0J3MgY29ycmVjdC4gSSBlbmFibGVkIGFsbCBpbnRlZ3JhdGVkIHBlcmlwaGVyYWxzIG9u IG15Cj4gbW90aGVyYm9hcmQgYW5kIHRoZXJlIHdlcmUgc3RpbGwgbm8gZW50cmllcyB3aXRoIEJE RiAwYjowMC4xIGluCj4gbHNwY2kgLXZ2diBvdXRwdXQuIFNob3VsZCBJIHRha2UgdGhpcyBwcm9i bGVtIHRvIE1TSSB0aGVuPwoKWWVhaCwgc29tZXRoaW5nIGlzIG5vdCByaWdodC4gIElzIHRoZXJl IGFueSBCSU9TIGNvbnRyb2wgb3ZlciB0aGF0CmRldmljZT8KCnRoYW5rcywKLWNocmlzCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmlvbW11IG1haWxpbmcg bGlzdAppb21tdUBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4 Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby9pb21tdQ==