From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH v2 09/27] ARM: GICv3: introduce separate pending_irq structs for LPIs Date: Fri, 24 Mar 2017 16:19:09 +0000 Message-ID: <9c0c17f4-03b4-8d47-1f3a-2379a2056c6e@arm.com> References: <20170316112030.20419-1-andre.przywara@arm.com> <20170316112030.20419-10-andre.przywara@arm.com> <4d1ac732-bee6-18f7-2ab9-277883fe726b@arm.com> <34c0e237-7168-ba86-b046-8a91c4c3292e@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1crRvo-0005L3-VI for xen-devel@lists.xenproject.org; Fri, 24 Mar 2017 16:19:17 +0000 In-Reply-To: <34c0e237-7168-ba86-b046-8a91c4c3292e@arm.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Andre Przywara , Stefano Stabellini Cc: xen-devel@lists.xenproject.org, Shanker Donthineni , Vijay Kilari List-Id: xen-devel@lists.xenproject.org SGkgQW5kcmUsCgpPbiAwMy8yNC8yMDE3IDAzOjUwIFBNLCBBbmRyZSBQcnp5d2FyYSB3cm90ZToK PiBPbiAyNC8wMy8xNyAxMTo0MCwgSnVsaWVuIEdyYWxsIHdyb3RlOgo+Pj4gKy8qCj4+PiArICog SG9sZGluZyBzdHJ1Y3QgcGVuZGluZ19pcnEncyBmb3IgZWFjaCBwb3NzaWJsZSB2aXJ0dWFsIExQ SSBpbiBlYWNoCj4+PiBkb21haW4KPj4+ICsgKiByZXF1aXJlcyB0b28gbXVjaCBYZW4gbWVtb3J5 LCBhbHNvIGEgbWFsaWNpb3VzIGd1ZXN0IGNvdWxkCj4+PiBwb3RlbnRpYWxseQo+Pj4gKyAqIHNw YW0gWGVuIHdpdGggTFBJIG1hcCByZXF1ZXN0cy4gV2UgY2Fubm90IGNvdmVyIHRob3NlIHdpdGgg KGd1ZXN0Cj4+PiBhbGxvY2F0ZWQpCj4+PiArICogSVRTIG1lbW9yeSwgc28gd2UgdXNlIGEgZHlu YW1pYyBzY2hlbWUgb2YgYWxsb2NhdGluZyBzdHJ1Y3QKPj4+IHBlbmRpbmdfaXJxJ3MKPj4+ICsg KiBvbiBkZW1hbmQuCj4+PiArICovCj4+Cj4+IEkgYW0gYWZyYWlkIHRoaXMgd2lsbCBub3QgcHJl dmVudCBhIGd1ZXN0IHRvIHVzZSB0b28gbXVjaCBYZW4gbWVtb3J5Lgo+PiBMZXQncyBpbWFnaW5l IHRoZSBndWVzdCBpcyBtYXBwaW5nIHRob3VzYW5kcyBvZiBMUElzIGJ1dCBkZWNpZGVzIHRvCj4+ IG5ldmVyIGhhbmRsZSB0aGVtIG9yIGlzIHNsb3cuIFlvdSB3b3VsZCBhbGxvY2F0ZSBwZW5kaW5n X2lycSBmb3IgZWFjaAo+PiBMUEksIGFuZCBuZXZlciByZWxlYXNlIHRoZSBtZW1vcnkuCj4KPiBT byB3aGF0IHdvdWxkIGJlIHRoZSBhbHRlcm5hdGl2ZSBoZXJlPyBJbiB0aGUgY3VycmVudCBHSUN2 Mi8zIHNjaGVtZSBhCj4gcGVuZGluZ19pcnEgZm9yIGVhY2ggKFNQSSkgaW50ZXJydXB0IGlzIGFs bG9jYXRlZCB1cCBmcm9udC4gVGhpcwo+IGFwcHJvYWNoIGhlcmUgdHJpZXMganVzdCB0byBiZSBh IGJpdCBzbWFydGVyIGZvciBMUElzLCBzaW5jZSB0aGUKPiBleHBlY3RhdGlvbiBpcyB0aGF0IHdl IGJ5IGZhciBkb24ndCBuZWVkIHNvIG1hbnkuIEluIHRoZSB3b3JzdCBjYXNlIHRoZQo+IG1lbW9y eSBhbGxvY2F0aW9uIHdvdWxkIGNvbnZlcmdlIHRvIHRoZSB1cHBlciBsaW1pdCAobnVtYmVyIG9m IG1hcHBlZAo+IExQSXMpLCB3aGljaCB3b3VsZCBwcm9iYWJseSBiZSB1c2VkIG90aGVyd2lzZSBm b3IgdGhlIHN0YXRpYyBhbGxvY2F0aW9uCj4gc2NoZW1lLiBXaGljaCBtZWFucyB3ZSB3b3VsZCBu ZXZlciBiZSB3b3JzZS4KCkl0IGlzIGdldHRpbmcgd29yc2UgaW4gdGhlIGN1cnJlbnQgdmVyc2lv biBiZWNhdXNlIHlvdSBoYXZlIHRoZSBsaXN0IHBlciAKdkNQVS4gU28geW91IG1heSBnZXQgbkxQ SXMgKiBudkNQVXMgcGVuZGluZ19pcnEgYWxsb2NhdGVkLgoKPiBXaGF0IGFjdHVhbGx5IGlzIG1p c3NpbmcgaXMgdGhlIGZyZWVpbmcgdGhlIG1lbW9yeSB1cG9uIGRvbWFpbgo+IGRlc3RydWN0aW9u LCB3aGljaCBjYW4ndCBiZSB0ZXN0ZWQgZm9yIERvbTAuCgpBcyBJIGFscmVhZHkgc2FpZCBtdWx0 aXBsZSB0aW1lLCBmb3JnZXR0aW5nIHRvIGFkZCB0aGUgZG9tYWluIApkZXN0cnVjdGlvbiBpcyBt dWNoIHdvcnNlIGJlY2F1c2UgdGhpcyBpcyBhIGNhbGwgdG8gbWlzcyBzb21ldGhpbmcgd2hlbiAK d2Ugd2lsbCBuZWVkIGl0LiBJIHByZWZlciB0byBzZWUgdGhlIGNvZGUgbm93IHNvIHdlIGNhbiBy ZXZpZXcuCgo+Cj4+IElmIHdlIHVzZSBkeW5hbWljIGFsbG9jYXRpb24sIHdlIG5lZWQgYSB3YXkg dG8gbGltaXQgdGhlIG51bWJlciBvZiBMUElzCj4+IHJlY2VpdmVkIGJ5IGEgZ3Vlc3QgdG8gYXZv aWQgbWVtb3J5IGV4aGF1c3Rpb24uIFRoZSBvbmx5IGlkZWEgSSBoYXZlIGlzCj4+IGFuIGFydGlm aWNpYWwgbGltaXQsIGJ1dCBJIGRvbid0IHRoaW5rIGl0IGlzIGdvb2QuIEFueSBvdGhlciBpZGVh cz8KPgo+IEkgdGhpbmsgaWYgd2UgYXJlIGNvbmNlcm5lZCBhYm91dCB0aGlzLCB3ZSBzaG91bGRu J3QgYWxsb3cgKkRvbVVzKiB0bwo+IGFsbG9jYXRlIHRvbyBtYW55IExQSXMsIHdoaWNoIGFyZSBi b3VuZGVkIGJ5IHRoZSBEZXZpY2VJRC9FdmVudElECj4gY29tYmluYXRpb25zLiBUaGlzIHdpbGwg YmUgdW5kZXIgZnVsbCBjb250cm9sIGJ5IERvbTAsIHdoaWNoIHdpbGwKPiBjb21tdW5pY2F0ZSB0 aGUgbnVtYmVyIG9mIE1TSXMgKGV2ZW50cykgZm9yIGVhY2ggcGFzc3Rocm91Z2gtZWQgZGV2aWNl LAo+IHNvIHdlIGNhbiBlYXNpbHkgaW1wb3NlIGEgcG9saWN5IGxpbWl0IHVwb24gY3JlYXRpb24u CgpJZiBET00wIGlzIGFibGUgdG8gY29udHJvbCB0aGUgbnVtYmVyIG9mIERldmljZUlEL0V2ZW50 SUQsIHRoZW4gd2h5IGRvIAp3ZSBuZWVkIHRvIGFsbG9jYXRlIG9uIHRoZSBmbHk/CgpBbHNvLCBJ IGRvbid0IHRoaW5rIHRoZSBzcGVjIHByZXZlbnRzIHRvIHBvcHVsYXRlIERldmljZSBUYWJsZSBm b3IgYSAKZGV2aWNlSUQgdGhhdCBoYXMgbm8gRGV2aWNlIGFzc29jaWF0ZWQuIEl0IGNvdWxkIGJl IHVzZWQgYnkgYSBkb21haW4gdG8gCmluamVjdCBmYWtlIExQSS4gRm9yIGluc3RhbmNlIHRoaXMg Y291bGQgcmVwbGFjZSBwb2xsaW5nIG1vZGUgZm9yIHRoZSAKY29tbWFuZCBxdWV1ZS4KCk15IG1h aW4gY29uY2VybiBpcyBtZW1vcnkgYWxsb2NhdGlvbiBjYW4gZmFpbC4gVGhlbiB3aGF0IHdpbGwg eW91IGRvPyAKWW91IHdpbGwgcGVuYWxpemUgYSB3ZWxsLWJlaGF2ZSBkb21haW4gdGhhdCBiZWNh dXNlIHNvbWVvbmUgZWxzZSB3YXMgbmFzdHkuCgpBbmQgeW91IGhhdmUgbm8gd2F5IHRvIHJlcG9y dCB0byB0aGUgZ3Vlc3Q6ICJJIHdhcyBub3QgYWJsZSB0byBhbGxvY2F0ZSAKbWVtb3J5LCBwbGVh c2UgdHJ5IGxhdGVyIiBiZWNhdXNlIHRoaXMgaXMgYW4gaW50ZXJydXB0LgoKPj4+ICtzdHJ1Y3Qg cGVuZGluZ19pcnEgKmxwaV90b19wZW5kaW5nKHN0cnVjdCB2Y3B1ICp2LCB1bnNpZ25lZCBpbnQg bHBpLAo+Pj4gKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgYm9vbCBhbGxvY2F0 ZSkKPj4+ICt7Cj4+PiArICAgIHN0cnVjdCBscGlfcGVuZGluZ19pcnEgKmxwaV9pcnEsICplbXB0 eSA9IE5VTEw7Cj4+PiArCj4+PiArICAgIHNwaW5fbG9jaygmdi0+YXJjaC52Z2ljLnBlbmRpbmdf bHBpX2xpc3RfbG9jayk7Cj4+PiArICAgIGxpc3RfZm9yX2VhY2hfZW50cnkobHBpX2lycSwgJnYt PmFyY2gudmdpYy5wZW5kaW5nX2xwaV9saXN0LCBlbnRyeSkKPj4+ICsgICAgewo+Pj4gKyAgICAg ICAgaWYgKCBscGlfaXJxLT5waXJxLmlycSA9PSBscGkgKQo+Pj4gKyAgICAgICAgewo+Pj4gKyAg ICAgICAgICAgIHNwaW5fdW5sb2NrKCZ2LT5hcmNoLnZnaWMucGVuZGluZ19scGlfbGlzdF9sb2Nr KTsKPj4+ICsgICAgICAgICAgICByZXR1cm4gJmxwaV9pcnEtPnBpcnE7Cj4+PiArICAgICAgICB9 Cj4+PiArCj4+PiArICAgICAgICBpZiAoIGxwaV9pcnEtPnBpcnEuaXJxID09IDAgJiYgIWVtcHR5 ICkKPj4+ICsgICAgICAgICAgICBlbXB0eSA9IGxwaV9pcnE7Cj4+PiArICAgIH0KPj4+ICsKPj4+ ICsgICAgaWYgKCAhYWxsb2NhdGUgKQo+Pj4gKyAgICB7Cj4+PiArICAgICAgICBzcGluX3VubG9j aygmdi0+YXJjaC52Z2ljLnBlbmRpbmdfbHBpX2xpc3RfbG9jayk7Cj4+PiArICAgICAgICByZXR1 cm4gTlVMTDsKPj4+ICsgICAgfQo+Pj4gKwo+Pj4gKyAgICBpZiAoICFlbXB0eSApCj4+PiArICAg IHsKPj4+ICsgICAgICAgIGVtcHR5ID0geHphbGxvYyhzdHJ1Y3QgbHBpX3BlbmRpbmdfaXJxKTsK Pj4KPj4geHphbGxvYyB3aWxsIHJldHVybiBOVUxMIGlmIG1lbW9yeSBpcyBleGhhdXN0ZWQuIFRo ZXJlIGlzIGEgZ2VuZXJhbCBsYWNrCj4+IG9mIGVycm9yIGNoZWNraW5nIHdpdGhpbiB0aGlzIHNl cmllcy4gQW55IG1pc3NpbmcgZXJyb3IgY291bGQgYmUgYQo+PiBwb3RlbnRpYWwgdGFyZ2V0IGZy b20gYSBndWVzdCwgbGVhZGluZyB0byBzZWN1cml0eSBpc3N1ZS4gU3RlZmFubyBhbmQgSQo+PiBh bHJlYWR5IHNwb3Qgc29tZSwgaXQgZG9lcyBub3QgbWVhbiB3ZSBmb3VuZCBhbGwuIFNvIEJlZm9y ZSBzZW5kaW5nIHRoZQo+PiBuZXh0IHZlcnNpb24sIHBsZWFzZSBnbyB0aHJvdWdoIHRoZSBzZXJp ZXMgYW5kIHZlcmlmeSAqZXZlcnkqIHJldHVybi4KPj4KPj4gQWxzbywgSSBjYW4ndCBmaW5kIHRo ZSBjb2RlIHdoaWNoIHJlbGVhc2UgTFBJcyBuZWl0aGVyIGluIHRoaXMgcGF0Y2ggbm9yCj4+IGlu IHRoaXMgc2VyaWVzLiBBIGdlbmVyYWwgcnVsZSBpcyB0b28gaGF2ZSBhbGxvY2F0aW9uIGFuZCBm cmVlIHdpdGhpbgo+PiB0aGUgc2FtZSBwYXRjaC4gSXQgaXMgbXVjaCBlYXNpZXIgdG8gc3BvdCBt aXNzaW5nIGZyZWUuCj4KPiBUaGVyZSBpcyBubyBzdWNoIGNvZGUsIG9uIHB1cnBvc2UuIFdlIG9u bHkgZ3JvdyB0aGUgbnVtYmVyLCBidXQgbmV2ZXIKPiBzaHJpbmsgaXQgKHRvIHdoYXQ/LCB3aGVy ZSB0byBzdG9wPywgd2hhdCBpZiB3ZSBuZWVkIG1vcmUgYWdhaW4/KS4gQXMKPiBzYWlkIGFib3Zl LCBpbiB0aGUgd29yc3QgY2FzZSB0aGlzIGVuZHMgdXAgYXQgc29tZXRoaW5nIHdoZXJlIGEgc3Rh dGljCj4gYWxsb2NhdGlvbiB3b3VsZCBoYXZlIHN0YXJ0ZWQgd2l0aCBmcm9tIHRoZSBiZWdpbm5p bmcuCj4KPiBBbmQgYXMgbWVudGlvbmVkLCBJIG9ubHkgc2tpcHBlZCB0aGUgImZyZWUgdGhlIHdo b2xlIGxpc3QgdXBvbiBkb21haW4KPiBkZXN0cnVjdGlvbiIgcGFydC4KCkEgZ2VuZXJhbCBydWxl IGlzIHRvIGV4cGxhaW4gaW4gdGhlIGNvbW1pdCBtZXNzYWdlIHdoYXQgaXMgZG9uZS4gU28geW91 IAphdm9pZCBhcmd1bWVudCBvbiB0aGUgTUwuCgpDaGVlcnMsCgotLSAKSnVsaWVuIEdyYWxsCgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwg bWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9y Zy94ZW4tZGV2ZWwK