From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH 1/5] xen-blkback: don't store dev_bus_addr Date: Tue, 19 Mar 2013 14:55:56 +0000 Message-ID: <51488A8C02000078000C6C20__7991.50944590128$1363705101$gmane$org@nat28.tlf.novell.com> References: <1363625376-35612-1-git-send-email-roger.pau@citrix.com> <1363625376-35612-2-git-send-email-roger.pau@citrix.com> <20130319143217.GC32432@phenom.dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20130319143217.GC32432@phenom.dumpdata.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Roger Pau Monne , Konrad Rzeszutek Wilk Cc: linux-kernel@vger.kernel.org, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDE5LjAzLjEzIGF0IDE1OjMyLCBLb25yYWQgUnplc3p1dGVrIFdpbGsgPGtvbnJhZC53 aWxrQG9yYWNsZS5jb20+IHdyb3RlOgo+IE9uIE1vbiwgTWFyIDE4LCAyMDEzIGF0IDA1OjQ5OjMy UE0gKzAxMDAsIFJvZ2VyIFBhdSBNb25uZSB3cm90ZToKPj4gZGV2X2J1c19hZGRyIHJldHVybmVk IGluIHRoZSBncmFudCByZWYgbWFwIG9wZXJhdGlvbiBpcyB0aGUgbWZuIG9mIHRoZQo+PiBwYXNz ZWQgcGFnZSwgdGhlcmUncyBubyBuZWVkIHRvIHN0b3JlIGl0IGluIHRoZSBwZXJzaXN0ZW50IGdy YW50Cj4+IGVudHJ5LCBzaW5jZSB3ZSBjYW4gYWx3YXlzIGdldCBpdCBwcm92aWRlZCB0aGF0IHdl IGhhdmUgdGhlIHBhZ2UuCj4+IAo+PiBUaGlzIHJlZHVjZXMgdGhlIG1lbW9yeSBvdmVyaGVhZCBv ZiBwZXJzaXN0ZW50IGdyYW50cyBpbiBibGtiYWNrLgo+IAo+IEkgdG9vayB0aGlzIHBhdGNoLCBi dXQgSSByZWRpZCBpdCBhIGJpdDoKPiAKPiBjb21taXQgMWQ0Y2I0MTBiZWZkYjhiMzczYzZmYWQ2 MDRiMzllMDIwMGUwYmVlMAo+IEF1dGhvcjogUm9nZXIgUGF1IE1vbm5lIDxyb2dlci5wYXVAY2l0 cml4LmNvbT4KPiBEYXRlOiAgIE1vbiBNYXIgMTggMTc6NDk6MzIgMjAxMyArMDEwMAo+IAo+ICAg ICB4ZW4tYmxrYmFjazogZG9uJ3Qgc3RvcmUgZGV2X2J1c19hZGRyCj4gICAgIAo+ICAgICBkZXZf YnVzX2FkZHIgcmV0dXJuZWQgaW4gdGhlIGdyYW50IHJlZiBtYXAgb3BlcmF0aW9uIGlzIHRoZSBt Zm4gb2YgdGhlCj4gICAgIHBhc3NlZCBwYWdlLCB0aGVyZSdzIG5vIG5lZWQgdG8gc3RvcmUgaXQg aW4gdGhlIHBlcnNpc3RlbnQgZ3JhbnQKPiAgICAgZW50cnksIHNpbmNlIHdlIGNhbiBhbHdheXMg Z2V0IGl0IHByb3ZpZGVkIHRoYXQgd2UgaGF2ZSB0aGUgcGFnZS4KPiAgICAgCj4gICAgIFRoaXMg cmVkdWNlcyB0aGUgbWVtb3J5IG92ZXJoZWFkIG9mIHBlcnNpc3RlbnQgZ3JhbnRzIGluIGJsa2Jh Y2suCj4gICAgIAo+ICAgICBXaGlsZSBhdCBpdCwgcmVuYW1lIHRoZSAnc2VnW2ldLmJ1ZicgdG8g YmUgJ3NlZ1tpXS5vZmZzZXQnIGFzCj4gICAgIGl0IG1ha2VzIG11Y2ggbW9yZSBzZW5zZSAtIGFz IHdlIHVzZSB0aGF0IHZhbHVlIGluIGJpb19hZGRfcGFnZQo+ICAgICB3aGljaCBhcyB0aGUgZm91 cnRoIGFyZ3VtZW50IGV4cGVjdHMgdGhlIG9mZnNldC4KPiAgICAgCj4gICAgIFdlIGhhZG4ndCB1 c2VkIHRoZSBwaHlzaWNhbCBhZGRyZXNzIGFzIHBhcnQgb2YgdGhpcyBhdCBhbGwuCj4gICAgIAo+ ICAgICBTaWduZWQtb2ZmLWJ5OiBSb2dlciBQYXUgTW9ubsOpIDxyb2dlci5wYXVAY2l0cml4LmNv bT4KPiAgICAgQ2M6IEtvbnJhZCBSemVzenV0ZWsgV2lsayA8a29ucmFkLndpbGtAb3JhY2xlLmNv bT4KPiAgICAgQ2M6IHhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnIAo+ICAgICBbdjE6IHMvYnVmL29m ZnNldC9dCj4gICAgIFNpZ25lZC1vZmYtYnk6IEtvbnJhZCBSemVzenV0ZWsgV2lsayA8a29ucmFk LndpbGtAb3JhY2xlLmNvbT4KPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ibG9jay94ZW4tYmxr YmFjay9ibGtiYWNrLmMgCj4gYi9kcml2ZXJzL2Jsb2NrL3hlbi1ibGtiYWNrL2Jsa2JhY2suYwo+ IGluZGV4IDJjZjgzODEuLjA2MWMyMDIgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ibG9jay94ZW4t YmxrYmFjay9ibGtiYWNrLmMKPiArKysgYi9kcml2ZXJzL2Jsb2NrL3hlbi1ibGtiYWNrL2Jsa2Jh Y2suYwo+IEBAIC00NDIsNyArNDQyLDcgQEAgaW50IHhlbl9ibGtpZl9zY2hlZHVsZSh2b2lkICph cmcpCj4gIH0KPiAgCj4gIHN0cnVjdCBzZWdfYnVmIHsKPiAtCXVuc2lnbmVkIGxvbmcgYnVmOwo+ ICsJdW5zaWduZWQgbG9uZyBvZmZzZXQ7CgpJZiB5b3UgdG91Y2ggdGhpcyBhbnl3YXksIHdoeSBk b24ndCB5b3UgcmVkdWNlIHRoZSB0eXBlIHRvCiJ1bnNpZ25lZCBpbnQiLCBoYWx2aW5nIHRoZSBv dmVyYWxsIHN0cnVjdHVyZSBzaXplPwoKRXZlbiBtb3JlLCB0aGUgZmllbGQgc2VlbXMgcG9pbnRs ZXNzIHRvIG1lIGFsdG9nZXRoZXIsIHNpbmNlIC4uLgoKPiAgCXVuc2lnbmVkIGludCBuc2VjOwo+ ICB9Owo+ICAvKgo+IEBAIC02MjEsMzAgKzYyMSwyMSBAQCBzdGF0aWMgaW50IHhlbl9ibGtia19t YXAoc3RydWN0IGJsa2lmX3JlcXVlc3QgKnJlcSwKPiAgCQkJCSAqIElmIHRoaXMgaXMgYSBuZXcg cGVyc2lzdGVudCBncmFudAo+ICAJCQkJICogc2F2ZSB0aGUgaGFuZGxlcgo+ICAJCQkJICovCj4g LQkJCQlwZXJzaXN0ZW50X2dudHNbaV0tPmhhbmRsZSA9IG1hcFtqXS5oYW5kbGU7Cj4gLQkJCQlw ZXJzaXN0ZW50X2dudHNbaV0tPmRldl9idXNfYWRkciA9Cj4gLQkJCQkJbWFwW2orK10uZGV2X2J1 c19hZGRyOwo+ICsJCQkJcGVyc2lzdGVudF9nbnRzW2ldLT5oYW5kbGUgPSBtYXBbaisrXS5oYW5k bGU7Cj4gIAkJCX0KPiAgCQkJcGVuZGluZ19oYW5kbGUocGVuZGluZ19yZXEsIGkpID0KPiAgCQkJ CXBlcnNpc3RlbnRfZ250c1tpXS0+aGFuZGxlOwo+ICAKPiAgCQkJaWYgKHJldCkKPiAgCQkJCWNv bnRpbnVlOwo+IC0KPiAtCQkJc2VnW2ldLmJ1ZiA9IHBlcnNpc3RlbnRfZ250c1tpXS0+ZGV2X2J1 c19hZGRyIHwKPiAtCQkJCShyZXEtPnUucncuc2VnW2ldLmZpcnN0X3NlY3QgPDwgOSk7Cj4gIAkJ fSBlbHNlIHsKPiAtCQkJcGVuZGluZ19oYW5kbGUocGVuZGluZ19yZXEsIGkpID0gbWFwW2pdLmhh bmRsZTsKPiArCQkJcGVuZGluZ19oYW5kbGUocGVuZGluZ19yZXEsIGkpID0gbWFwW2orK10uaGFu ZGxlOwo+ICAJCQliaXRtYXBfc2V0KHBlbmRpbmdfcmVxLT51bm1hcF9zZWcsIGksIDEpOwo+ICAK PiAtCQkJaWYgKHJldCkgewo+IC0JCQkJaisrOwo+ICsJCQlpZiAocmV0KQo+ICAJCQkJY29udGlu dWU7Cj4gLQkJCX0KPiAtCj4gLQkJCXNlZ1tpXS5idWYgPSBtYXBbaisrXS5kZXZfYnVzX2FkZHIg fAo+IC0JCQkJKHJlcS0+dS5ydy5zZWdbaV0uZmlyc3Rfc2VjdCA8PCA5KTsKPiAgCQl9Cj4gKwkJ c2VnW2ldLm9mZnNldCA9IChyZXEtPnUucncuc2VnW2ldLmZpcnN0X3NlY3QgPDwgOSk7CgouLi4g dGhpcyB1c2VzICJpIiBhcyBpbmRleCBvbiBib3RoIHNpZGVzLCBzbyAuLi4KCj4gIAl9Cj4gIAly ZXR1cm4gcmV0Owo+ICB9Cj4gQEAgLTk3MSw3ICs5NjIsNyBAQCBzdGF0aWMgaW50IGRpc3BhdGNo X3J3X2Jsb2NrX2lvKHN0cnVjdCB4ZW5fYmxraWYgKmJsa2lmLAo+ICAJCSAgICAgICAoYmlvX2Fk ZF9wYWdlKGJpbywKPiAgCQkJCSAgICAgcGFnZXNbaV0sCj4gIAkJCQkgICAgIHNlZ1tpXS5uc2Vj IDw8IDksCj4gLQkJCQkgICAgIHNlZ1tpXS5idWYgJiB+UEFHRV9NQVNLKSA9PSAwKSkgewo+ICsJ CQkJICAgICBzZWdbaV0ub2Zmc2V0ICYgflBBR0VfTUFTSykgPT0gMCkpIHsKCi4uLiB0aGlzIG9u ZSBjb3VsZCBhcyB3ZWxsIHVzZSB0aGUgb3JpZ2luYWwgZmllbGQuCgpBbmQgdGhlIG1hc2tpbmcg d2l0aCB+UEFHRV9NQVNLIGlzIG5vdCBwb2ludGxlc3MgaW4gYW55IGNhc2UuCgpKYW4KCj4gIAo+ ICAJCQliaW8gPSBiaW9fYWxsb2MoR0ZQX0tFUk5FTCwgbnNlZy1pKTsKPiAgCQkJaWYgKHVubGlr ZWx5KGJpbyA9PSBOVUxMKSkKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ibG9jay94ZW4tYmxrYmFj ay9jb21tb24uaCAKPiBiL2RyaXZlcnMvYmxvY2sveGVuLWJsa2JhY2svY29tbW9uLmgKPiBpbmRl eCBkYTc4MzQ2Li42MDEwM2UyIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvYmxvY2sveGVuLWJsa2Jh Y2svY29tbW9uLmgKPiArKysgYi9kcml2ZXJzL2Jsb2NrL3hlbi1ibGtiYWNrL2NvbW1vbi5oCj4g QEAgLTE4Nyw3ICsxODcsNiBAQCBzdHJ1Y3QgcGVyc2lzdGVudF9nbnQgewo+ICAJc3RydWN0IHBh Z2UgKnBhZ2U7Cj4gIAlncmFudF9yZWZfdCBnbnQ7Cj4gIAlncmFudF9oYW5kbGVfdCBoYW5kbGU7 Cj4gLQl1aW50NjRfdCBkZXZfYnVzX2FkZHI7Cj4gIAlzdHJ1Y3QgcmJfbm9kZSBub2RlOwo+ICB9 Owo+ICAKPiAKPiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f Xwo+IFhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKPiBYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZyAKPiBo dHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwgCgoKCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVs QGxpc3RzLnhlbi5vcmcKaHR0cDovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==