From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Ostrovsky Subject: Re: [PATCH v2] x86/apic/x2apic: Share IRQ vector between cluster members only when no cpumask is specified Date: Fri, 25 Aug 2017 12:00:40 -0400 Message-ID: <50efc35c-a9c2-a00e-f351-b4febc16554e@oracle.com> References: <1502207940-7407-1-git-send-email-boris.ostrovsky@oracle.com> <59A056A70200007800173D81@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <59A056A70200007800173D81@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich Cc: andrew.cooper3@citrix.com, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org T24gMDgvMjUvMjAxNyAxMDo1NiBBTSwgSmFuIEJldWxpY2ggd3JvdGU6Cj4+Pj4gT24gMDguMDgu MTcgYXQgMTc6NTksIDxib3Jpcy5vc3Ryb3Zza3lAb3JhY2xlLmNvbT4gd3JvdGU6Cj4+IC0tLSBh L3hlbi9hcmNoL3g4Ni9nZW5hcGljL2RlbGl2ZXJ5LmMKPj4gKysrIGIveGVuL2FyY2gveDg2L2dl bmFwaWMvZGVsaXZlcnkuYwo+PiBAQCAtMzAsNyArMzAsOCBAQCB2b2lkIF9faW5pdCBjbHVzdGVy ZWRfYXBpY19jaGVja19mbGF0KHZvaWQpCj4+ICAJcHJpbnRrKCJFbmFibGluZyBBUElDIG1vZGU6 ICBGbGF0LiAgVXNpbmcgJWQgSS9PIEFQSUNzXG4iLCBucl9pb2FwaWNzKTsKPj4gIH0KPj4gIAo+ PiAtY29uc3QgY3B1bWFza190ICp2ZWN0b3JfYWxsb2NhdGlvbl9jcHVtYXNrX2ZsYXQoaW50IGNw dSkKPj4gK2NvbnN0IGNwdW1hc2tfdCAqdmVjdG9yX2FsbG9jYXRpb25fY3B1bWFza19mbGF0KGlu dCBjcHUsCj4+ICsgICAgY29uc3QgY3B1bWFza190ICpjcHVtYXNrKQo+PiAgewo+PiAgCXJldHVy biAmY3B1X29ubGluZV9tYXA7Cj4+ICB9IAo+PiBAQCAtNTgsNyArNTksOCBAQCB2b2lkIF9faW5p dCBjbHVzdGVyZWRfYXBpY19jaGVja19waHlzKHZvaWQpCj4+ICAJcHJpbnRrKCJFbmFibGluZyBB UElDIG1vZGU6ICBQaHlzLiAgVXNpbmcgJWQgSS9PIEFQSUNzXG4iLCBucl9pb2FwaWNzKTsKPj4g IH0KPj4gIAo+PiAtY29uc3QgY3B1bWFza190ICp2ZWN0b3JfYWxsb2NhdGlvbl9jcHVtYXNrX3Bo eXMoaW50IGNwdSkKPj4gK2NvbnN0IGNwdW1hc2tfdCAqdmVjdG9yX2FsbG9jYXRpb25fY3B1bWFz a19waHlzKGludCBjcHUsCj4+ICsgICAgY29uc3QgY3B1bWFza190ICpjcHVtYXNrKQo+PiAgewo+ PiAgCXJldHVybiBjcHVtYXNrX29mKGNwdSk7Cj4+ICB9Cj4+IC0tLSBhL3hlbi9hcmNoL3g4Ni9n ZW5hcGljL3gyYXBpYy5jCj4+ICsrKyBiL3hlbi9hcmNoL3g4Ni9nZW5hcGljL3gyYXBpYy5jCj4+ IEBAIC03Miw4ICs3MiwxMiBAQCBzdGF0aWMgdm9pZCBfX2luaXQgY2x1c3RlcmVkX2FwaWNfY2hl Y2tfeDJhcGljKHZvaWQpCj4+ICB7Cj4+ICB9Cj4+ICAKPj4gLXN0YXRpYyBjb25zdCBjcHVtYXNr X3QgKnZlY3Rvcl9hbGxvY2F0aW9uX2NwdW1hc2tfeDJhcGljX2NsdXN0ZXIoaW50IGNwdSkKPj4g K3N0YXRpYyBjb25zdCBjcHVtYXNrX3QgKnZlY3Rvcl9hbGxvY2F0aW9uX2NwdW1hc2tfeDJhcGlj X2NsdXN0ZXIoaW50IGNwdSwKPj4gKyAgICBjb25zdCBjcHVtYXNrX3QgKmNwdW1hc2spCj4+ICB7 Cj4+ICsgICAgaWYgKCAhY3B1bWFzayApCj4+ICsgICAgICAgIHJldHVybiBjcHVtYXNrX29mKGNw dSk7Cj4+ICsKPj4gICAgICByZXR1cm4gcGVyX2NwdShjbHVzdGVyX2NwdXMsIGNwdSk7Cj4+ICB9 Cj4gSXQgaXMgYSBzdHJhbmdlIGFkZGl0aW9uIHlvdSdyZSBtYWtpbmcgaGVyZTogTm9uZSBvZiB0 aGUgdGhyZWUKPiBpbXBsZW1lbnRhdGlvbnMgY2FyZSBhYm91dCB0aGUgcGFzc2VkIGluIG1hc2su IFdoeSBpcyB0aGlzIHRoZW4KPiBub3QgYSBib29sIHdpdGggYSBzdWl0YWJsZSBuYW1lPwoKSSBj YW4gcGFzcyBpbiBhIGJvb2wuIFNheSwgJ2Jvb2wgc2hhcmVfdmVjdG9ycycuCgo+Cj4gQWRkaXRp b25hbGx5LCBzaG91bGRuJ3QgdmVjdG9yX2FsbG9jYXRpb25fY3B1bWFza19mbGF0KCkgYmVoYXZl Cj4gc2ltaWxhciB0byB2ZWN0b3JfYWxsb2NhdGlvbl9jcHVtYXNrX3gyYXBpY19jbHVzdGVyKCkg dGhlbj8KClllcywgSSBzaG91bGQgcHJvYmFibHkgZG8gdGhhdCBhcyB3ZWxsLgoKPgo+IEZ1cnRo ZXIgSSdkIHByZWZlciBpZiB5b3UgbWFkZSBpdCBhIHNpbmdsZSByZXR1cm4gc3RhdGVtZW50IGhl cmUsCj4gdXNpbmcgYSBjb25kaXRpb25hbCBleHByZXNzaW9uLgo+Cj4gQW5kIGZpbmFsbHkgSSBj b250aW51ZSB0byBiZSBub3QgcmVhbGx5IGhhcHB5IGFib3V0IHRoZSBjaGFuZ2UgYXMKPiBhIHdo b2xlLiBEZXNwaXRlIHdoYXQgd2FzIGRpc2N1c3NlZCBvbiB2MSwgSSdtIGNvbmNlcm5lZCBvZiB0 aGUKPiBlZmZlY3RzIG9mIHRoaXMgb24gaG9zdHMgX25vdF8gc3VmZmVyaW5nIGZyb20gdmVjdG9y IHNob3J0YWdlLgo+IENvdWxkIHlvdSBsaXZlIHdpdGggdGhlIG5ldyBiZWhhdmlvciByZXF1aXJp bmcgYSBjb21tYW5kIGxpbmUKPiBvcHRpb24gdG8gZW5hYmxlPwoKSSBjYW4gYWRkIHNvbWV0aGlu ZyBsaWtlICdhcGljX3NoYXJlX3ZlY3RvcnMnLCBkZWZhdWx0aW5nIHRvIHRydWUsCmFsdGhvdWdo IGl0IHdpbGwgbm90IGJlIHVzZWZ1bCBpbiBjYXNlIG9mIGEgaG90cGx1Zy4gRGVmYXVsdGluZyB0 byBmYWxzZT8KCi1ib3JpcwoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcK aHR0cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=