From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Ostrovsky Subject: Re: Why xen-pirq chip use startup_irq() for .irq_enable? Date: Fri, 28 Jul 2017 17:55:50 -0400 Message-ID: <0d23d8b6-e33b-f722-1f05-c16c3c8de9e8@oracle.com> References: <20170727130414.GA8141@shuo-intel.sh.intel.com> <68e1206c-219b-85d8-15e8-cc591158207d@oracle.com> <20170728012515.GA14513@shuo-intel.sh.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 1dbDEj-0002HR-Md for xen-devel@lists.xenproject.org; Fri, 28 Jul 2017 21:55:57 +0000 In-Reply-To: <20170728012515.GA14513@shuo-intel.sh.intel.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: shuo.a.liu@intel.com Cc: Juergen Gross , xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org T24gMDcvMjcvMjAxNyAwOToyNSBQTSwgc2h1by5hLmxpdUBpbnRlbC5jb20gd3JvdGU6Cj4gT24g VGh1IDI3Lkp1bCcxNyBhdCAxMjowNjoxMCAtMDQwMCwgQm9yaXMgT3N0cm92c2t5IHdyb3RlOgo+ PiAoQWRqdXN0aW5nIGFkZHJlc3NlZXM6IERhdmlkIGlzIG5vIGxvbmdlciBtYWludGFpbmluZyBY ZW4gY29kZSwKPj4gSnVlcmdlbiBpcykKPiBUaGFua3MgQm9yaXMuCj4+Cj4+IE9uIDA3LzI3LzIw MTcgMDk6MDQgQU0sIHNodW8uYS5saXVAaW50ZWwuY29tIHdyb3RlOgo+Pj4gSGksCj4+PiBIZXJl IGlzIGEgZGV2aWNlIGhhcyB4ZW4tcGlycS1NU0kgaW50ZXJydXB0LiBJIGZvdW5kIGRvbTAgbWln aHQgbG9zdAo+Pj4gaW50ZXJydXB0IGR1cmluZyBkcml2ZXIgaXJxX2Rpc2FibGUvaXJxX2VuYWJs ZS4KPj4+IFRoZXJlIGlzIGEgcGFpciBvZiBpcnFfZGlzYWJsZS9lbmFibGUgaW4gZHJpdmVyLiBI ZXJlIGlzIHRoZSBzY2VuYXJpbywKPj4+ICAxLiBpcnFfZGlzYWJsZShkZXZfaXJxKSAtPiBkaXNh YmxlX2R5bmlycSAtPiBtYXNrX2V2dGNobihkZXZfaXJxCj4+PiBjaGFubmVsKQo+Pj4gIDIuIGRl diBpbnRlcnJ1cHQgcmFpc2VkIGJ5IEhXIGFuZCBYZW4gbWFyayBpdHMgZXZ0Y2huIGFzICpwZW5k aW5nKgo+Pj4gc3RhdHVzLgo+Pj4gIDMuIGlycV9lbmFibGUoZGV2X2lycSkgLT4gc3RhcnR1cF9w aXJxIC0+IGVvaV9waXJxIC0+Cj4+PiAgICAgY2xlYXJfZXZ0Y2huKGNoYW5uZWwgb2YgZGV2X2ly cSkgLT4gY2xlYXIgKnBlbmRpbmcqIHN0YXR1cwo+Pj4gIDQuIGNvbnN1bWVfb25lX2V2ZW50IHBy b2Nlc3MgdGhlIGRldiBpcnEgZXZlbnQgd2l0aG91dCBwZW5kaW5nIGJpdAo+Pj4gYXNzZXJ0Cj4+ PiAgICAgd2hpY2ggcmVzdWx0IGluIGludGVycnVwdCBsb3N0IG9uY2UuCj4+PiAgNS4gTm8gSFcg aW50ZXJydXB0IHJhaXNpbmcgYW55bW9yZS4KPj4+Cj4+PiBUaGUgZmlyc3QgcXVlc3Rpb24gaGVy ZSBpcyB3aHkgdXNpbmcgc3RhcnR1cF9pcnEgZm9yIC5pcnFfZW5hYmxlCj4+PiByYXRoZXIgdGhh bgo+Pj4gZW5hYmxlX2R5bmlycSA/IHN0YXJ0dXBfaXJxIHdpbGwgZG8gZW9pX3BpcnEgd2hvIGNs ZWFyIHRoZSBtYXNrIGJpdAo+Pj4gYW5kIHBlbmRpbmcKPj4+IGJpdCBvZiB0aGUgY2hhbm5lbCB3 aGlsZSBlbmFibGVfZHluaXJxIGp1c3Qgb25seSB1bm1hc2sgdGhlIGNoYW5uZWwuCj4+Cj4+IFNl ZW1zIGxpa2UgZW5hYmxlX2R5bmlycSgpIHdvdWxkIGluZGVlZCBiZSB0aGUgcmlnaHQgY2hvaWNl LiBXaGF0IGlzIGEKPj4gYml0IHN0cmFuZ2UgaXMgdGhhdCBzY2VuYXJpbyB0aGF0IHlvdSBhcmUg ZGVzY3JpYmluZyBsb29rcyBwcmV0dHkgY29tbW9uCj4+IHNvIHdlIHNob3VsZCBoYXZlIGhpdCB0 aGlzIHByb2JsZW0gYmVmb3JlLgo+IFRoaXMgcG9pbnQgY29uZnVzZWQgbWUgYWxzby4gSXQgc2Vl bXMgdGhlIGNvZGUgaGFzIGJlZW4gaGVyZSBmb3IgbG9uZwo+IHRpbWUuCj4gQW55d2F5LCBpZiB5 b3UgdGhpbmsgaXQgaXMgdGhlIHJpZ2h0IGZpeCwgaSBjYW4gc2VuZCBvdXQgYSBmb3JtYWwgcGF0 Y2guCgpZZXMsIEkgdGhpbmsgdGhpcyBzaG9sZCBiZSBkb25lLgoKPj4+Cj4+PiBTZWNvbmQgcXVl c3Rpb24gaXMgdGhhdCB3aGF0J3MgdGhlIHB1cnBvc2Ugb2YgZW9pX3BpcnEgaW4gc3RhcnR1cF9p cnE/Cj4+Cj4+IFdoZW4gd2UgYXJlIGFjdHVhbGx5IGNyZWF0aW5nIG5ldyBwaXJxIHdlIHdhbnQg dG8gbWFrZSBzdXJlIHRoZXJlIGFyZSBubwo+PiBwZW5kaW5nIGludGVycnVwdHMgbGVmdCBvdmVy IGZyb20gcHJldmlvdXMgdXNlIG9mIHRoZSBwaXJxLgo+IElmIGludGVycnVwdCByYWlzZSBqdXN0 IGJlZm9yZSBlb2lfcGlycSBpbiBzdGFydHVwX2lycSwgd2UgbWlnaHQgZmFjZQo+IHRoZSBzYW1l IGlzc3VlPyBDYW4gd2UgbWFrZSBzdXJlIHBpcnEgaXMgY2xlYW4gd2hlbiBkbyBiaW5kaW5nPwoK SSByYXRoZXIgdGhpbmsgdGhhdAoKICAgICAgICB1bm1hc2tfZXZ0Y2huKGV2dGNobik7CiAgICAg ICAgZW9pX3BpcnEoaXJxX2dldF9pcnFfZGF0YShpcnEpKTsKCmluIF9fc3RhcnR1cF9waXJxKCkg c2hvdWxkIGJlIHN3YXBwZWQuCgoKLWJvcmlzCgo+Cj4gVGh4IC0KPiBTaHVvCj4KPj4gLWJvcmlz Cj4+Cj4+Pgo+Pj4gQlRXLCBpIGNhbiByZXNvbHZlIG15IHByb2JsZW0gYnkgYmVsb3cgcGF0Y2gu IERvZXMgaXQgbWFrZSBzZW5jZT8KPj4+Cj4+PiAtLS0KPj4+IGRyaXZlcnMveGVuL2V2ZW50cy9l dmVudHNfYmFzZS5jIHwgMiArLQo+Pj4gMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0aW9uKCspLCAx IGRlbGV0aW9uKC0pCj4+Pgo+Pj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMveGVuL2V2ZW50cy9ldmVu dHNfYmFzZS5jCj4+PiBiL2RyaXZlcnMveGVuL2V2ZW50cy9ldmVudHNfYmFzZS5jCj4+PiBpbmRl eCA0YmY3YTM0Li4zNDFjNDU2IDEwMDY0NAo+Pj4gLS0tIGEvZHJpdmVycy94ZW4vZXZlbnRzL2V2 ZW50c19iYXNlLmMKPj4+ICsrKyBiL2RyaXZlcnMveGVuL2V2ZW50cy9ldmVudHNfYmFzZS5jCj4+ PiBAQCAtNTgyLDcgKzU4Miw3IEBAIHN0YXRpYyB2b2lkIHNodXRkb3duX3BpcnEoc3RydWN0IGly cV9kYXRhICpkYXRhKQo+Pj4KPj4+IHN0YXRpYyB2b2lkIGVuYWJsZV9waXJxKHN0cnVjdCBpcnFf ZGF0YSAqZGF0YSkKPj4+IHsKPj4+IC0gICAgc3RhcnR1cF9waXJxKGRhdGEpOwo+Pj4gKyAgICBl bmFibGVfZHluaXJxKGRhdGEpOwo+Pj4gfQo+Pj4KPj4+IHN0YXRpYyB2b2lkIGRpc2FibGVfcGly cShzdHJ1Y3QgaXJxX2RhdGEgKmRhdGEpCj4+CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlz dHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==