From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robin Murphy Subject: Re: How to ensure that different peripherals getting different IOVA address in kernel? Date: Wed, 23 Sep 2015 13:08:28 +0100 Message-ID: <5602963C.8030601@arm.com> References: <5600AF72.2000106@hisilicon.com> <560206AE.4020608@hisilicon.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <560206AE.4020608-C8/M+/jPZTeaMJb+Lgu22Q@public.gmane.org> 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: chenfeng , "joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org" , "iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "rcallicotte-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org" , "jiang.liu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org" Cc: Dan zhao , "Wangfei (William, Euler)" , Suzhuangluan , qijiwen , Peter Panshilin List-Id: iommu@lists.linux-foundation.org T24gMjMvMDkvMTUgMDI6NTUsIGNoZW5mZW5nIHdyb3RlOgo+IEhpIGFsbCwKPgo+IEluIElPTU1V IGFyY2hpdGVjdHVyZSAsIGhvdyB0byBtYWtlIHR3byBkaWZmZXJlbnQgcGVyaXBoZXJhbHMgc2hh cmUgdGhlIHNhbWUgcGFnZSB0YWJsZSA/Cj4KPiBJbiBvdGhlciB3b3JkcyAsIGlzIHRoZXJlIGEg bWVjaGFuaXNtIG9yIHN0cnVjdHVyZSB0byBtYWtlIHR3byBwZXJpcGhlcmFscyBnZXQgY29tcGxl dGVseSBkaWZmZXJlbnQgYWRkcmVzcy4KPgo+IGVnOgo+Cj4gcGVyaS1B44CBcGVyaS1CIGFuZCBw ZXJpLUMgc2hhcmUgdGhlIHNhbWUgaW92YSBhZGRyZXNzIDAtMUcgZm9yIHNvbWUgcGVyZm9ybWFu Y2UgcmVxdWVzdHMuCj4KPiBTbyB0aGUgQSxCLEMgbmVlZCB0byB1c2UgdGhlIHNhbWUgSU9WQSBn ZW5lcmF0b3IgdG8gZW5zdXJlIHRoaXMsYnV0IEkgZG9uJ3QgZmluZCBhbiBhcmNoaXRlY3R1cmUg dG8gbWFrZSB0aGlzLgoKVGhpcyBpcyB3aGF0IElPTU1VIGRvbWFpbnMgYXJlIGFsbCBhYm91dDog ZGV2aWNlcyBpbiBvbmUgZG9tYWluIGFyZSAKaXNvbGF0ZWQgZnJvbSBkZXZpY2VzIGluIGRpZmZl cmVudCBkb21haW5zLCBzbyBhbGwgeW91IG5lZWQgdG8gZG8gaXMgCm1ha2Ugc3VyZSBhbGwgZGV2 aWNlcyB0aGF0IHdhbnQgdG8gc2hhcmUgYnVmZmVycyBhcmUgYXR0YWNoZWQgdG8gdGhlIApzYW1l IGRvbWFpbiwgdGhlbiB0aGV5IHdpbGwgYWxsIHNoYXJlIHRoYXQgZG9tYWluJ3MgSU9WQSBzcGFj ZS4KClJvYmluLgoKPgo+IEFueSBoZWxwIHdpbGwgYmUgYXBwcmVjaWF0ZWQuCj4KPiBQdWNrCj4K PgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KaW9tbXUg bWFpbGluZyBsaXN0CmlvbW11QGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlz dHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lvbW11