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: Mon, 28 Aug 2017 16:53:04 -0400 Message-ID: <3af4bbb2-f636-6e84-41db-bbfea8daea5e@oracle.com> References: <1502207940-7407-1-git-send-email-boris.ostrovsky@oracle.com> <59A056A70200007800173D81@prv-mh.provo.novell.com> <50efc35c-a9c2-a00e-f351-b4febc16554e@oracle.com> <59A3E48202000078001744C2@prv-mh.provo.novell.com> <59A455C20200007800174A79@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: <59A455C20200007800174A79@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 T24gMDgvMjgvMjAxNyAxMTo0MSBBTSwgSmFuIEJldWxpY2ggd3JvdGU6Cj4+Pj4gT24gMjguMDgu MTcgYXQgMTY6MzUsIDxib3Jpcy5vc3Ryb3Zza3lAb3JhY2xlLmNvbT4gd3JvdGU6Cj4+IE9uIDA4 LzI4LzIwMTcgMDM6MzggQU0sIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+PiBBbmQgZmluYWxseSBJ IGNvbnRpbnVlIHRvIGJlIG5vdCByZWFsbHkgaGFwcHkgYWJvdXQgdGhlIGNoYW5nZSBhcwo+Pj4+ PiBhIHdob2xlLiBEZXNwaXRlIHdoYXQgd2FzIGRpc2N1c3NlZCBvbiB2MSwgSSdtIGNvbmNlcm5l ZCBvZiB0aGUKPj4+Pj4gZWZmZWN0cyBvZiB0aGlzIG9uIGhvc3RzIF9ub3RfIHN1ZmZlcmluZyBm cm9tIHZlY3RvciBzaG9ydGFnZS4KPj4+Pj4gQ291bGQgeW91IGxpdmUgd2l0aCB0aGUgbmV3IGJl aGF2aW9yIHJlcXVpcmluZyBhIGNvbW1hbmQgbGluZQo+Pj4+PiBvcHRpb24gdG8gZW5hYmxlPwo+ Pj4+IEkgY2FuIGFkZCBzb21ldGhpbmcgbGlrZSAnYXBpY19zaGFyZV92ZWN0b3JzJywgZGVmYXVs dGluZyB0byB0cnVlLAo+Pj4+IGFsdGhvdWdoIGl0IHdpbGwgbm90IGJlIHVzZWZ1bCBpbiBjYXNl IG9mIGEgaG90cGx1Zy4gRGVmYXVsdGluZyB0byBmYWxzZT8KPj4+IEFsb25nIHRoZSBsaW5lcyBv ZiB0aGUgYWJvdmUgcGx1cyBvdXIgZGVzaXJlIHRvIGxpbWl0IHRoZSBudW1iZXIKPj4+IG9mIHRv cCBsZXZlbCBvcHRpb25zLCBob3cgYWJvdXQgImFwaWM9aXNvbGF0ZS12ZWN0b3JzIj8KPj4+Cj4+ PiBBbHNvIEkgZG9uJ3QgdW5kZXJzdGFuZCB5b3VyIHJlZmVyZW5jZSB0byBob3RwbHVnLCBub3Ig d2h5IHlvdQo+Pj4gc3VnZ2VzdCB0d28gb3Bwb3NpdGUgZGVmYXVsdCB2YWx1ZXMuCj4+IE5vdCB0 d28sIGp1c3Qgb25lIC0tLSBub3Qgc2hhcmUgdmVjdG9ycyBieSBkZWZhdWx0Lgo+Pgo+PiBBcyBm b3IgaG90cGx1ZywgSSB3YXMgdGhpbmtpbmcgb2YgYSBjYXNlIHdoZXJlIGEgc3lzdGVtIGlzIHN1 Y2Nlc3NmdWxseQo+PiBib290ZWQgd2l0aCBzaGFyZWQgdmVjdG9ycyBidXQgdGhlbiBhIGRldmlj ZSBpcyBhZGRlZCBhbmQgd2UgZmFpbCB0bwo+PiBmaW5kIGVub3VnaCBmcmVlIHZlY3RvcnMuIFNv IHRoZSBhZG1pbmlzdHJhdG9yIHdvdWxkIG5lZWQgdG8ga25vdyBpbgo+PiBhZHZhbmNlIHdoZXRo ZXIgYSBuZXcgY2FyZCBtaWdodCBiZSBjb21pbmcgaW4uCj4+Cj4+IFdoZW4gZGVmYXVsdGluZyB0 byBmYWxzZSAoYXMgaW4gYXBpY19zaGFyZV92ZWN0b3JzPWZhbHNlKSBpZiB0aGUKPj4gYWRtaW5p c3RyYXRvciBkZWNpZGVzIHRvIHNldCBpdCB0byB0cnVlIHRoZW4gaGUgd291bGQgYmUgaW4gc29t ZSBzZW5zZQo+PiBleHBsaWNpdGx5IGFncmVlaW5nIHRvIG5ldmVyIHBsdWcgYW55dGhpbmcgaW4g KG9yIGF0IGxlYXN0IHRvIHRvbGVyYXRlCj4+IHN1Y2ggYSBmYWlsdXJlKS4KPiBBaCwgSSBzZWUu IEJ1dCBpbW8gdGhlIGRlZmF1bHQgb3VnaHQgdG8gYmUgY3VycmVudCBiZWhhdmlvci4KPgo+Pj4g QnV0IGZpbmFsbHksIHlvdSBhZ3JlZWluZyB0byBhIGNvbW1hbmQgbGluZSBvcHRpb24gaGVyZSBt YWtlcwo+Pj4gbWUgY29tZSBiYWNrIHRvIGFuIGVhcmxpZXIgc3VnZ2VzdGlvbjogRGlkbid0IHdl IGFncmVlIHRoYXQKPj4+ICJ4MmFwaWNfcGh5cyIgd291bGQgYmUgc3VmZmljaWVudCB0byBlbGlt aW5hdGUgdGhlIGlzc3VlPyBJbiB3aGljaAo+Pj4gY2FzZSBubyBwYXRjaCB3b3VsZCBiZSBuZWVk ZWQgYXQgYWxsLgo+PiB4MmFwaWNfcGh5cyBtZWFucyB0aGF0IHdlIG5ldmVyIHNoYXJlIHZlY3Rv cnMuIFdpdGggJ2lzb2xhdGUtdmVjdG9ycycKPj4gb3B0aW9uIHdlIGFyZSBzdGlsbCBhYmxlIHRv IHNoYXJlIHRoZW0gaWYgdGhlIG1hc2sgaXMgZXhwbGljaXRseSBzcGVjaWZpZWQuCj4gV2VsbCwg YWl1aSB5b3VyIHByaW1hcnkgZ29hbCBpcyB0byBhZGRyZXNzIHRoZSB2ZWN0b3Igc2hvcnRhZ2Uu IEZvcgo+IHRoYXQgeW91IGRvbid0IG5lZWQgdGhlIG5ldyBvcHRpb24sIHlvdSBjYW4gZ2V0IGF3 YXkgd2l0aCB0aGUKPiBleGlzdGluZyBvbmUuCgoKSSBkb24ndCBoYXZlIGFueSBudW1iZXJzIHRv IHByb3ZlIChvciBkaXNwcm92ZSkgdGhhdCBub3Qgc2hhcmluZyB2ZWN0b3JzCmR1cmluZyBib290 IGJ1dCBwb3NzaWJseSBzaGFyaW5nIHRoZW0gbGF0ZXIgaW1wcm92ZXMgcGVyZm9ybWFuY2Ugc28g eWVzLAp4MmFwaWNfcGh5cyBpcyBhIHBvc3NpYmxlIHNvbHV0aW9uLiBFc3BlY2lhbGx5IGlmIHdp dGggdGhpcyAobW9kaWZpZWQpCnBhdGNoIHdlJ2QgZGVmYXVsdCB0byBvcmlnaW5hbCBjbHVzdGVy IG1vZGUgYmVoYXZpb3IgYXMgeW91IGFyZSBzdWdnZXN0aW5nLgoKLWJvcmlzCgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBs aXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2 ZWwK