From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: [sh_eth.c] Problem in dma_map_single() Date: Thu, 14 Apr 2016 09:52:44 -0400 Message-ID: <20160414135244.GA2569@char.us.oracle.com> References: <20160412171033.GB5771@char.us.oracle.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-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Wonseok Ko Cc: xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org T24gV2VkLCBBcHIgMTMsIDIwMTYgYXQgMDI6MTg6MDlQTSArMDkwMCwgV29uc2VvayBLbyB3cm90 ZToKPiBIaSBLb25yYWQsCj4gCj4gSW4gZG1hX2NhcGFibGUoKSwgaXQgY2hlY2tzIHRoYXQgbWFz aywgc2l6ZSBhbmQgYWRkcmVzcyBvZiBkZXZpY2UuCj4gCj4gQ3VycmVudGx5LCBpdCBkb3Nlbid0 IHBhc3MgdG8gZmlyc3QgY29uZGl0aW9uIGNvZGUgYXMgYmVsb3c6Cj4gCj4gaWYgKCFkZXYtPmRt YV9tYXNrKQo+IAo+ICAgICAgICAgICAgICAgICByZXR1cm4gMDsKPiAKPiBJdCBzaG93cyB0aGUg ZGV2aWNlIGRvZXNuJ3QgaGF2ZSBkbWFfbWFzayBiaXQuIFNvIEkgdHJpZWQgdG8gc2V0IHRoZQo+ IGRtYV9tYXNrIGJpdCBpbiBzaF9ldGguYwo+IAo+IE15IGFwcHJvYWNoZXM6Cj4gMS4gSSB0cmll ZCB0byBzZXQgYSBtYXNrIGJpdChkZXYtPmRtYV9tYXNrKSB0byB1c2UKPiBkbWFfY29lcmNlX21h c2tfYW5kX2NvaGVyZW50KCkKPiBpbiBzaF9ldGhfZHJ2X3Byb2JlKCksIGJ1dCBpdCBkb2Vzbid0 IHdvcmsuCgpBcmUgdGhlcmUgYW55IGVycm9ycz8gV2hhdCBkb2VzIGRtYV9tYXNrIGVuZCB1cCBi ZWluZz8KPiAyLiBmb3JjZWQgc2V0IGRldi0+ZG1hX21hc2sgd2l0aG91dCBrZXJuZWwgYXBpLiBJ IHBhc3NlZCB0byBkbWFfY2FwYWJsZSgpCj4gYnV0IGRyaXZlciBjYW5ub3Qgd29yay4KCkFoYSwg d2hhdCBkaWQgeW91IHNldCBpdCB0bz8gRG8geW91IGhhdmUgYSBkaWZmPwo+IAo+IHNoX2V0aCBk cml2ZXIgd2FudCB0byBnZXQgdmFsaWQgRE1BIGRlc2NyaXB0b3IgdG8gc2V0IERNQSBkZXNjcmlw dG9yCj4gYWRkcmVzcyBmb3IgUnggYW5kIFR4LgoKUmlnaHQsIHdoaWNoIGl0IHdvdWxkIHBsdWcg aW4gaXRzIGRyaXZlciByZWdpc3RlcnMgc28gdGhlIGNhcmQKY2FuIHBpY2sgaXQgdXAuCj4gSSB0 cmllZCB0byBzZXQgdGhlIHNvbWUgYml0cyhzdWNoIGFzIGRtYV9tYXNrKSB0byBnZXQgdmFsaWQg ZG1hIGFkZHJlc3MKPiBmb3JjaWJseSwgaW4gdGhpcyBjb25maWd1cmF0aW9uIHNoX2V0aCBjYW5u b3Qgd29yay4KClVoLCBub3Qgc3VyZSBJIHVuZGVyc3RhbmQuIE9yIGFyZSB5b3UgcmVwZWF0aW5n IHdoYXQgeW91IG1lbnRpb25lZAplYXJsaWVyPwo+IAo+IE15IHF1ZXN0aW9uIGlzIGlmIEkgd2Fu dCB0byBnZXQgdmFsaWQgZG1hIGFkZHJlc3Mgd2l0aCB4ZW4gc3dpb3RsYihzdWNoYXMKPiBtYXBf cGFnZSwgc2V0X2RtYV9tYXNrIGFuZCBzbyBvbik/CgpXZWxsIGl0IGFsbCBzaG91bGQgd29yayBq dXN0IGZpbmUgLSBwZXJoYXBzIGlmIHlvdSBwcm92aWRlIHNvbWUKZGlmZidzIGFuZCBzdWNoIEkg Y2FuIGhlbHAgeW91IGFsb25nPwoKPiAKPiAKPiAKPiAKPiBUaGFua3MsCj4gV29uc2Vvay4KPiAK PiAyMDE2LTA0LTEzIDI6MTAgR01UKzA5OjAwIEtvbnJhZCBSemVzenV0ZWsgV2lsayA8a29ucmFk LndpbGtAb3JhY2xlLmNvbT46Cj4gCj4gPiBPbiBUdWUsIEFwciAxMiwgMjAxNiBhdCAwNDo1NDo1 NVBNICswOTAwLCBXb25zZW9rIEtvIHdyb3RlOgo+ID4gPiBIaSwKPiA+ID4KPiA+ID4gSSdtIHRy eWluZyB0byBlbmFibGUgZXRoZXJuZXQgZHJpdmVyIGluIERvbWFpbjAgZm9yIFItQ2FyIEgyLCBi dXQgaXQKPiA+ID4gZG9lc24ndCB3b3JrLiBUaGUgcm9vdCBjYXVzZSBvZiB0aGUgcHJvYmxlbSBp cyB0aGF0IGRyaXZlciBjYW5ub3Qgc2F0aXNmeQo+ID4gPiB0aGUgY29uZGl0aW9uIG9mIGRtYV9j YXBhYmxlKCkuIEkgZm91bmQgdGhlIHNhbWUgcHJvYmxlbSBpbiB0aGUgbWFpbGluZwo+ID4KPiA+ IFNvIHdoYXQgY2FuIGJlIGRvbmUgYWJvdXQgbWFraW5nIGl0IGRtYV9jYXBhYmxlKCkgPwo+ID4K PiA+ID4gbGlzdCwgYnV0IHRoZSBwcm9ibGVtIGlzIHN0aWxsIHJlbWFpbmluZyBJIGd1ZXNzLiBw cmV2aW91cyBtYWlsOiAoCj4gPiA+IGh0dHA6Ly9saXN0cy54ZW4ub3JnL2FyY2hpdmVzL2h0bWwv eGVuLWRldmVsLzIwMTQtMTAvbXNnMDMxNzAuaHRtbCkKPiA+ID4KPiA+ID4gRG9lcyBhbnlvbmUg Z2l2ZSBtZSBhZHZpc2U/Cj4gPiA+Cj4gPiA+IE15IGVudmlyb25tZW50IGFzIGJlbG93Ogo+ID4g PiAtIGRvbTAgbGludXggdmVyc2lvbjogNC4zCj4gPiA+IC0geGVuIHZlcnNpb246IDQuNiBjb21t aXQoNDBkN2E3NDU0ODM1YzJmN2M2MzljNzhmNmMwOWU3YjZmMGU0YTRlMikKPiA+ID4KPiA+ID4K PiA+ID4gVGhhbmtzLAo+ID4gPiBXb25zZW9rLgo+ID4KPiA+ID4gX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiA+ID4gWGVuLWRldmVsIG1haWxpbmcgbGlz dAo+ID4gPiBYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwo+ID4gPiBodHRwOi8vbGlzdHMueGVuLm9y Zy94ZW4tZGV2ZWwKPiA+Cj4gPgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9y ZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK