From mboxrd@z Thu Jan 1 00:00:00 1970 From: Halil Pasic Subject: Re: [PATCH 08/10] virtio/s390: add indirection to indicators access Date: Thu, 9 May 2019 20:26:00 +0200 Message-ID: <20190509202600.4fd6aebe.pasic@linux.ibm.com> References: <20190426183245.37939-1-pasic@linux.ibm.com> <20190426183245.37939-9-pasic@linux.ibm.com> <716d47ca-016f-e8f4-6d78-7746a7d9f6ba@linux.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Pierre Morel Cc: Vasily Gorbik , linux-s390@vger.kernel.org, Thomas Huth , Claudio Imbrenda , kvm@vger.kernel.org, Sebastian Ott , "Michael S. Tsirkin" , Cornelia Huck , Eric Farman , virtualization@lists.linux-foundation.org, Christoph Hellwig , Martin Schwidefsky , Farhan Ali , Viktor Mihajlovski , Janosch Frank List-Id: virtualization@lists.linuxfoundation.org T24gVGh1LCA5IE1heSAyMDE5IDE0OjAxOjAxICswMjAwClBpZXJyZSBNb3JlbCA8cG1vcmVsQGxp bnV4LmlibS5jb20+IHdyb3RlOgoKPiBPbiAwOC8wNS8yMDE5IDE2OjMxLCBQaWVycmUgTW9yZWwg d3JvdGU6Cj4gPiBPbiAyNi8wNC8yMDE5IDIwOjMyLCBIYWxpbCBQYXNpYyB3cm90ZToKPiA+PiBU aGlzIHdpbGwgY29tZSBpbiBoYW5keSBzb29uIHdoZW4gd2UgcHVsbCBvdXQgdGhlIGluZGljYXRv cnMgZnJvbQo+ID4+IHZpcnRpb19jY3dfZGV2aWNlIHRvIGEgbWVtb3J5IGFyZWEgdGhhdCBpcyBz aGFyZWQgd2l0aCB0aGUgaHlwZXJ2aXNvcgo+ID4+IChpbiBwYXJ0aWN1bGFyIGZvciBwcm90ZWN0 ZWQgdmlydHVhbGl6YXRpb24gZ3Vlc3RzKS4KPiA+Pgo+ID4+IFNpZ25lZC1vZmYtYnk6IEhhbGls IFBhc2ljIDxwYXNpY0BsaW51eC5pYm0uY29tPgo+ID4+IC0tLQo+ID4+IMKgIGRyaXZlcnMvczM5 MC92aXJ0aW8vdmlydGlvX2Njdy5jIHwgNDAgCj4gPj4gKysrKysrKysrKysrKysrKysrKysrKysr Ky0tLS0tLS0tLS0tLS0tLQo+ID4+IMKgIDEgZmlsZSBjaGFuZ2VkLCAyNSBpbnNlcnRpb25zKCsp LCAxNSBkZWxldGlvbnMoLSkKPiA+Pgo+ID4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL3MzOTAvdmly dGlvL3ZpcnRpb19jY3cuYyAKPiA+PiBiL2RyaXZlcnMvczM5MC92aXJ0aW8vdmlydGlvX2Njdy5j Cj4gPj4gaW5kZXggYmI3YTkyMzE2ZmM4Li4xZjNlN2Q1NjkyNGYgMTAwNjQ0Cj4gPj4gLS0tIGEv ZHJpdmVycy9zMzkwL3ZpcnRpby92aXJ0aW9fY2N3LmMKPiA+PiArKysgYi9kcml2ZXJzL3MzOTAv dmlydGlvL3ZpcnRpb19jY3cuYwo+ID4+IEBAIC02OCw2ICs2OCwxNiBAQCBzdHJ1Y3QgdmlydGlv X2Njd19kZXZpY2Ugewo+ID4+IMKgwqDCoMKgwqAgdm9pZCAqYWlycV9pbmZvOwo+ID4+IMKgIH07 Cj4gPj4gK3N0YXRpYyBpbmxpbmUgdW5zaWduZWQgbG9uZyAqaW5kaWNhdG9ycyhzdHJ1Y3Qgdmly dGlvX2Njd19kZXZpY2UgKnZjZGV2KQo+ID4+ICt7Cj4gPj4gK8KgwqDCoCByZXR1cm4gJnZjZGV2 LT5pbmRpY2F0b3JzOwo+ID4+ICt9Cj4gPj4gKwo+ID4+ICtzdGF0aWMgaW5saW5lIHVuc2lnbmVk IGxvbmcgKmluZGljYXRvcnMyKHN0cnVjdCB2aXJ0aW9fY2N3X2RldmljZSAKPiA+PiAqdmNkZXYp Cj4gPj4gK3sKPiA+PiArwqDCoMKgIHJldHVybiAmdmNkZXYtPmluZGljYXRvcnMyOwo+ID4+ICt9 Cj4gPj4gKwo+ID4+IMKgIHN0cnVjdCB2cV9pbmZvX2Jsb2NrX2xlZ2FjeSB7Cj4gPj4gwqDCoMKg wqDCoCBfX3U2NCBxdWV1ZTsKPiA+PiDCoMKgwqDCoMKgIF9fdTMyIGFsaWduOwo+ID4+IEBAIC0z MzcsMTcgKzM0NywxNyBAQCBzdGF0aWMgdm9pZCB2aXJ0aW9fY2N3X2Ryb3BfaW5kaWNhdG9yKHN0 cnVjdCAKPiA+PiB2aXJ0aW9fY2N3X2RldmljZSAqdmNkZXYsCj4gPj4gwqDCoMKgwqDCoMKgwqDC oMKgIGNjdy0+Y2RhID0gKF9fdTMyKSh1bnNpZ25lZCBsb25nKSB0aGluaW50X2FyZWE7Cj4gPj4g wqDCoMKgwqDCoCB9IGVsc2Ugewo+ID4+IMKgwqDCoMKgwqDCoMKgwqDCoCAvKiBwYXlsb2FkIGlz IHRoZSBhZGRyZXNzIG9mIHRoZSBpbmRpY2F0b3JzICovCj4gPj4gLcKgwqDCoMKgwqDCoMKgIGlu ZGljYXRvcnAgPSBrbWFsbG9jKHNpemVvZigmdmNkZXYtPmluZGljYXRvcnMpLAo+ID4+ICvCoMKg wqDCoMKgwqDCoCBpbmRpY2F0b3JwID0ga21hbGxvYyhzaXplb2YoaW5kaWNhdG9ycyh2Y2Rldikp LAo+ID4+IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIEdGUF9E TUEgfCBHRlBfS0VSTkVMKTsKPiA+PiDCoMKgwqDCoMKgwqDCoMKgwqAgaWYgKCFpbmRpY2F0b3Jw KQo+ID4+IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHJldHVybjsKPiA+PiDCoMKgwqDCoMKg wqDCoMKgwqAgKmluZGljYXRvcnAgPSAwOwo+ID4+IMKgwqDCoMKgwqDCoMKgwqDCoCBjY3ctPmNt ZF9jb2RlID0gQ0NXX0NNRF9TRVRfSU5EOwo+ID4+IC3CoMKgwqDCoMKgwqDCoCBjY3ctPmNvdW50 ID0gc2l6ZW9mKCZ2Y2Rldi0+aW5kaWNhdG9ycyk7Cj4gPj4gK8KgwqDCoMKgwqDCoMKgIGNjdy0+ Y291bnQgPSBzaXplb2YoaW5kaWNhdG9ycyh2Y2RldikpOwo+ID4gCj4gPiBUaGlzIGxvb2tzIHN0 cmFuZ2UgdG8gbWUuIFdhcyBhbHJlYWR5IHdlaXJkIGJlZm9yZS4KPiA+IEx1Y2t5IHdlIGFyZSBp bmRpY2F0b3JzIGFyZSBsb25nLi4uCj4gPiBtYXkgYmUganVzdCBzaXplb2YobG9uZykKPiAKCkkn bSBub3Qgc3VyZSBJIHVuZGVyc3RhbmQgd2hlcmUgYXJlIHlvdSBjb21pbmcgZnJvbS4uLgoKV2l0 aCBDQ1dfQ01EX1NFVF9JTkQgd2UgdGVsbCB0aGUgaHlwZXJ2aXNvciB0aGUgZ3Vlc3QgcGh5c2lj YWwgYWRkcmVzcwphdCB3aGljaCB0aGUgc28gY2FsbGVkIGNsYXNzaWMgaW5kaWNhdG9ycy4gVGhl cmUgaXMgYSBjb21tZW50IHRoYXQKbWFrZXMgdGhpcyBvYnZpb3VzLiBUaGUgYXJndW1lbnQgb2Yg dGhlIHNpemVvZiB3YXMgYW5kIHJlbWFpbmVkIGEKcG9pbnRlciB0eXBlLiBBRkFJVSB0aGlzIGlz IHdoYXQgYm90aGVycyB5b3UuIAo+IAo+IEFGQUlLIHRoZSBzaXplIG9mIHRoZSBpbmRpY2F0b3Jz IChBSVYvQUlTKSBpcyBub3QgcmVzdHJpY3RlZCBieSB0aGUgCj4gYXJjaGl0ZWN0dXJlLgoKVGhl IHNpemUgb2YgdmNkZXYtPmluZGljYXRvcnMgaXMgcmVzdHJpY3RlZCBvciBkZWZpbmVkIGJ5IHRo ZSB2aXJ0aW8Kc3BlY2lmaWNhdGlvbi4gUGxlYXNlIGhhdmUgYSBsb29rIGF0ICc0LjMuMi42LjEg U2V0dGluZyBVcCBDbGFzc2ljIFF1ZXVlCkluZGljYXRvcnMnIGhlcmU6Cmh0dHBzOi8vZG9jcy5v YXNpcy1vcGVuLm9yZy92aXJ0aW8vdmlydGlvL3YxLjEvY3MwMS92aXJ0aW8tdjEuMS1jczAxLmh0 bWwjeDEtMTYzMDAwMgoKU2luY2Ugd2l0aCBMaW51eCBvbiBzMzkwIG9ubHkgNjQgYml0IGlzIHN1 cHBvcnRlZCwgYm90aCB0aGUgc2l6ZXMgYXJlIGluCmxpbmUgd2l0aCB0aGUgc3BlY2lmaWNhdGlv bi4gVXNpbmcgdTY0IHdvdWxkIHNlbWFudGljYWxseSBtYXRjaCB0aGUgc3BlYwpiZXR0ZXIsIG1v ZHVsbyBwcmUgdmlydGlvIDEuMCB3aGljaCBhaW4ndCBzcGVjaWZpZWQuIEkgZGlkIG5vdCB3YW50 IHRvCmRvIGNoYW5nZXMgdGhhdCBhcmUgbm90IG5lY2Vzc2FyeSBmb3Igd2hhdCBJJ20gdHJ5aW5n IHRvIGFjY29tcGxpc2guIElmCndlIHdhbnQgd2UgY2FuIGNoYW5nZSB0aGVzZSB0byB1NjQgd2l0 aCBhIHBhdGNoIG9uIHRvcC4KCj4gSG93ZXZlciB3ZSBuZXZlciB1c2UgbW9yZSB0aGFuIDY0IGJp dHMsIGRvIHdlIGV2ZXIgaGF2ZSBhbiBhZGFwdGVyIAo+IGhhdmluZyBtb3JlIHRoYW4gNjQgZGlm ZmVyZW50IGludGVycnVwdHM/CgpUaGVzZSBhcmUgb25lIHBlciBxdWV1ZS4gVGhlIG51bWJlciBv ZiBxdWV1ZXMgdXNlZCB0byBiZSBsaW1pdGVkIHRvIDY0CmJ1dCBpdCBhaW4ndCBubyBtb3JlLiBJ ZiB0aGUgZHJpdmVyIHVzZXMgY2xhc3NpYyBub3RpZmllcnMsIG9ubHkgdGhlCmZpcnN0IDY0IGNh biBiZSB1c2VkLgoKPiAKPiBNYXkgYmUgd2UgY2FuIHN0YXRlIHRoYW4gd2UgdXNlIGEgbWF4aW1h bCBudW1iZXIgb2YgQUlTQiBvZiA2NCBhbmQgCj4gdGhlcmVmb3IgdXNlIGluZGljYXRvcnMgd2l0 aCBhIHNpemUgb2YgdW5zaWduZWQgbG9uZywgb3IgX191NjQgb3IgCj4gd2hhdGV2ZXIgaXMgYXBw cm9wcmlhdGUuIFBsZWFzZSBjbGVhciB0aGlzLgo+IAoKSSB0aGluayB5b3UgYXJlIG1peGluZyB1 cCBhZGFwdGVyIGludGVycnVwdHMgYXMgZGVmaW5lZCBieSB0aGUKYXJjaGl0ZWN0dXJlLCB3aXRo IHZpcnRpbyBpbmRpY2F0b3JzIHdoaWNoIGFyZSBraW5kIG9mIGEgc3BlY2lhbCBjYXNlCmF0IGJl c3Q6IHRoZSB0d28gc3RhZ2Ugc3R1ZmYgaXMgbW9kZWxlZCBhZnRlciBBSVNCIGFuZCBBSUJWLiAg Cgo+IFdpdGggdGhpcyBjbGVhcmVkOgoKSSBob3BlLCBJIG1hbmFnZWQgdG8gY2xlYXIgdGhpcyB1 cCBhIGJpdC4gSWYgbm90IHBsZWFzZSB0cnkgdG8gcmUtc3RhdGUKeW91ciBjb25jZXJuIGluIGRp ZmZlcmVudCB3b3Jkcy4KCj4gUmV2aWV3ZWQtYnk6IFBpZXJyZSBNb3JlbDxwbW9yZWxAbGludXgu aWJtLmNvbT4KPiAKClRoYW5rcyBmb3IgeW91ciByZXZpZXchCgpIYWxpbAogCgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpWaXJ0dWFsaXphdGlvbiBtYWls aW5nIGxpc3QKVmlydHVhbGl6YXRpb25AbGlzdHMubGludXgtZm91bmRhdGlvbi5vcmcKaHR0cHM6 Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3JnL21haWxtYW4vbGlzdGluZm8vdmlydHVhbGl6YXRp b24=