From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: [RFC] virtio_ring: check dma_mem for xen_domain Date: Mon, 21 Jan 2019 21:36:39 -0500 Message-ID: <20190121213617-mutt-send-email-mst__40264.2021932238$1548124683$gmane$org@kernel.org> References: <20190121050056.14325-1-peng.fan@nxp.com> <20190121082830.GC12420@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gllw9-00043B-0R for xen-devel@lists.xenproject.org; Tue, 22 Jan 2019 02:37:13 +0000 Content-Disposition: inline In-Reply-To: <20190121082830.GC12420@infradead.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: "hch@infradead.org" Cc: Peng Fan , "sstabellini@kernel.org" , "jasowang@redhat.com" , "linux-remoteproc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "virtualization@lists.linux-foundation.org" , "xen-devel@lists.xenproject.org" List-Id: xen-devel@lists.xenproject.org T24gTW9uLCBKYW4gMjEsIDIwMTkgYXQgMTI6Mjg6MzBBTSAtMDgwMCwgaGNoQGluZnJhZGVhZC5v cmcgd3JvdGU6Cj4gT24gTW9uLCBKYW4gMjEsIDIwMTkgYXQgMDQ6NTE6NTdBTSArMDAwMCwgUGVu ZyBGYW4gd3JvdGU6Cj4gPiBvbiBpLk1YOFFNLCBNNF8xIGlzIGNvbW11bmljYXRpbmcgd2l0aCBE b21VIHVzaW5nIHJwbXNnIHdpdGggYSBmaXhlZAo+ID4gYWRkcmVzcyBhcyB0aGUgZG1hIG1lbSBi dWZmZXIgd2hpY2ggaXMgcHJlZGVmaW5lZC4KPiA+IAo+ID4gV2l0aG91dCB0aGlzIHBhdGNoLCB0 aGUgZmxvdyBpczoKPiA+IHZyaW5nX21hcF9vbmVfc2cgLT4gdnJpbmdfdXNlX2RtYV9hcGkKPiA+ ICAgICAgICAgICAgICAgICAgLT4gZG1hX21hcF9wYWdlCj4gPiAJCSAgICAgICAtPiBfX3N3aW90 bGJfbWFwX3BhZ2UKPiA+IAkJICAgICAgICAgICAgICAgIC0+c3dpb3RsYl9tYXBfcGFnZQo+ID4g CQkJCS0+X19kbWFfbWFwX2FyZWEocGh5c190b192aXJ0KGRtYV90b19waHlzKGRldiwgZGV2X2Fk ZHIpKSwgc2l6ZSwgZGlyKTsKPiA+IEhvd2V2ZXIgd2UgYXJlIHVzaW5nIHBlciBkZXZpY2UgZG1h IGFyZWEgZm9yIHJwbXNnLCBwaHlzX3RvX3ZpcnQKPiA+IGNvdWxkIG5vdCByZXR1cm4gYSBjb3Jy ZWN0IHZpcnR1YWwgYWRkcmVzcyBmb3IgdmlydHVhbCBhZGRyZXNzIGluCj4gPiB2bWFsbG9jIGFy ZWEuIFRoZW4ga2VybmVsIHBhbmljLgo+IAo+IEFuZCB0aGF0IGlzIHRoZSByaWdodCB0aGluZyB0 byBkby4gIFlvdSBtdXN0IG5vdCBjYWxsIGRtYV9tYXBfKiBvbgo+IG1lbW9yeSB0aGF0IHdhcyBh bGxvY2F0ZWQgZnJvbSBkbWFfYWxsb2NfKi4KPiAKPiBXZSBhY3R1YWxseSBoYXZlIGFub3RoZXIg dGhyZWFkIHdoaWNoIGFwcGVhcnMgdG8gYmUgZm9yIHRoaXMgc2FtZSBpc3N1ZS4KClNvcnJ5LCB3 aGljaCB0aHJlYWQgZG8geW91IHJlZmVyIHRvPwoKLS0gCk1TVAoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4t ZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9t YWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==