From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH v2 07/10] xen/arm: Release maintenance interrupt when CPU is hot-unplugged Date: Thu, 26 Apr 2018 11:08:41 +0100 Message-ID: References: <20180420122513.27292-1-mirela.simonovic@aggios.com> <20180420122513.27292-8-mirela.simonovic@aggios.com> <59700476-d077-2d59-9738-89afe02225bc@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Mirela Simonovic Cc: "Edgar E. Iglesias" , Andre Przywara , Stefano Stabellini , Tim Deegan , Xen Devel List-Id: xen-devel@lists.xenproject.org KCsgQW5kcmUgYW5kIFRpbSkKCk9uIDI1LzA0LzE4IDE1OjI4LCBNaXJlbGEgU2ltb25vdmljIHdy b3RlOgo+IEhpIEp1bGllbiwKCkhpLAoKPiAKPiBPbiBXZWQsIEFwciAyNSwgMjAxOCBhdCAzOjIz IFBNLCBKdWxpZW4gR3JhbGwgPGp1bGllbi5ncmFsbEBhcm0uY29tPiB3cm90ZToKPj4gT24gMjUv MDQvMTggMTQ6MDksIE1pcmVsYSBTaW1vbm92aWMgd3JvdGU6Cj4+PiBPbiBNb24sIEFwciAyMywg MjAxOCBhdCAxOjMzIFBNLCBKdWxpZW4gR3JhbGwgPGp1bGllbi5ncmFsbEBhcm0uY29tPgo+Pj4g d3JvdGU6Cj4+Pj4gT24gMjAvMDQvMTggMTM6MjUsIE1pcmVsYSBTaW1vbm92aWMgd3JvdGU6Cj4+ IFRoaXMgbG9va3MgYSBiaXQgd2VpcmQuIEFGQUlVLCBpZiB5b3UgZGlzYWJsZSB0aGUgQ1BVIGlu dGVyZmFjZSwgdGhlbiB5b3UKPj4gc2hvdWxkIG5ldmVyIHJlY2VpdmUgaW50ZXJydXB0IGFmdGVy LiBTbyB3aHkgd291bGQgeW91IHJlLWVuYWJsZSB0aGVtPwo+Pgo+PiBJIHJlYWxpemUgdGhlIGNv ZGUgaW4gX19jcHVfZGlzYmFsZSBkbyB0aGF0LCBidXQgdGhpcyBsb29rcyBxdWl0ZSB3cm9uZyB0 bwo+PiBtZS4gVGhlcmUgYXJlIG5vIHdheSB0byByZWNlaXZlIHF1ZXVlZCB0aW1lciBpbnRlcnJ1 cHQgYWZ0ZXJ3YXJkcy4KPj4KPiAKPiBUaGF0IGlzIHdoYXQgSSB0b29rIGFzIGEgcmVmZXJlbmNl LCBidXQgSSBhc2tlZCBteXNlbGYgdGhlIHNhbWUuCj4gVGhlcmUgaXMgKGV4dHJlbWVseSBzbWFs bCwgYnV0IGl0IGV4aXN0cykgdGltZSB3aW5kb3cgYmV0d2Vlbgo+IGRpc2FibGluZyBpcnEgbG9j YWxseSBhbmQgZGlzYWJsaW5nIENQVSBpbnRlcmZhY2UuIEFuIGludGVycnVwdAo+IHJlY2VpdmVk IGluIHRoYXQgdGltZSB3aW5kb3cgd291bGQgcHJvcGFnYXRlIHRvIHRoZSBDUFUgYnV0IEknbSBu b3QKPiBzdXJlIHdvdWxkIGhhcHBlbiBhZnRlciB0aGUgR0lDIENQVSBpbnRlcmZhY2UgaXMgZGlz YWJsZWQgYW5kCj4gaW50ZXJydXB0cyBhcmUgbG9jYWxseSBlbmFibGVkLiBUaGF0IGlzIHRoZSBv bmx5IGV4cGxhbmF0aW9uIEkgY2FuCj4gY29tZSB1cCB3aXRoLCBhbHRob3VnaCBJIGJlbGlldmUg dGhlIGFuc3dlciBpcyBub3RoaW5nLiBTaW5jZSB5b3UncmUKPiBhdCBBUk0geW91IGNvdWxkIGNo ZWNrIHRoaXMgaW50ZXJuYWxseS4KClNwZWFraW5nIHdpdGggQW5kcmUgKGluIENDKSwgdGhlIEdJ QyBDUFUgaW50ZXJmYWNlIG1heSBoYXZlIGZvcndhcmRlZCBhbiAKaW50ZXJydXB0IHRvIHRoZSBw cm9jZXNzb3IgYmVmb3JlIGl0IGdldHMgZGlzYWJsZWQuIFNvIHdoZW4gdGhlIAppbnRlcnJ1cHQg d2lsbCBiZSByZS1lbmFibGVkLCB0aGUgcHJvY2Vzc29yIHdpbGwganVtcCB0byB0aGUgaW50ZXJy dXB0IApleGNlcHRpb24gZW50cnkuCgpIb3dldmVyLCBsb29raW5nIGF0IHRoZSBzcGVjICg0LTc4 IGluIEFSTSBJSEkgMDA0OEIuYiksIFhlbiB3aWxsIHJlYWQgYSAKc3B1cmlvdXMgaW50ZXJydXB0 IElEIGZyb20gR0lDQ19JQVIuIFNvIEkgYW0gbm90IHN1cmUgd2hhdCB0aGUgcG9pbnQgb2YgCnRo YXQgY29kZS4gSXQgbG9va3MgbGlrZSBpdCBoYXMgYmVlbiB0YWtlbiBmcm9tIHg4NiwgYnV0IHNv bWUgYml0cyBhcmUgCm1pc3NpbmcuCgpBRkFJVSwgeDg2IHdpbGwgb25seSBzdXNwZW5kIHRoZSB0 aW1lciBhZnRlcndhcmRzIChzZWUgdGltZV9zdXNwZW5kKS4gSSAKYW0gbm90IGZ1bGx5IHN1cmUg d2h5IHRoaXMgY29kZSBpcyB0aGVyZSBvbiBBcm0uIFdoZXRoZXIgd2UgZXhwZWN0IGEgCnRpbWVy IGludGVycnVwdCB0byBjb21lIHVwLiBTdGVmYW5vLCBUaW0sIGRvIHlvdSBoYXZlIGFueSBpbnNp Z2h0IG9uIAp0aGF0IGNvZGU/Cgo+IAo+IEFueXdheSwgc2luY2Ugd2UncmUgdGFraW5nIHRoZSBu b3RpZmllciBhcHByb2FjaCB0aGUgdGltZXIgaW50ZXJydXB0Cj4gd291bGQgYmUgZGlzYWJsZWQg YmVmb3JlIHRoZSBHSUMgQ1BVIGludGVyZmFjZSwgc28gSSBiZWxpZXZlIHRoZQo+IG1kZWxheSBh bmQgdGhlIHN1cnJvdW5kaW5nIGxvY2FsX2lycV9lbmFibGUvZGlzYWJsZSB3aWxsIG5vdCBiZQo+ IG5lZWRlZC4KPiBQbGVhc2UgbGV0cyBkbyBzdWNoIGEgY2xlYW51cCBvdXQgb2YgdGhpcyBzZXJp ZXMuCgpEZXBlbmRpbmcgb24gdGhlIG91dGNvbWUgb2YgdGhlIGRpc2N1c3Npb25zLCBkbyB5b3Ug cGxhbiB0byBmaXggdGhlIGNvZGU/Cgo+IAo+Pj4gdGhlbiBiZWxvdyB0aGVzZSBsaW5lcyBpbiB0 aGUgY2FsbGJhY2sgSSB3b3VsZCBhZGQKPj4+ICAgICAgICAgICByZWxlYXNlX2lycShnaWNfaHdf b3BzLT5pbmZvLT5tYWludGVuYW5jZV9pcnEsIE5VTEwpOwo+Pj4KPj4+IFRoaXMgd291bGQgaGF2 ZSB0byBiZSBkb25lIGJlY2F1c2UgQ1BVX0RZSU5HIG5vdGlmaWVycyBleGVjdXRlIGJlZm9yZQo+ Pj4gX19jcHVfZGlzYWJsZSgpLgo+Pj4gSG93IHRoYXQgc291bmRzPyBJZiBpdCdzIG9rLCBzaG91 bGQgdGhlc2UgY2hhbmdlcyBiZSBzcGxpdCBpbnRvIDIKPj4+IHBhdGNoZXMgKDEpIG5vdGlmaWVy IGJhc2VkIGNhbGwgdG8gZ2ljX2Rpc2FibGVfY3B1ICsgMikgcmVsZWFzZQo+Pj4gbWFpbnRlbmFu Y2UgaXJxLCBJIGJlbGlldmUgdGhpcyBpcyBiZXR0ZXIpIG9yIHNob3VsZCBJIG1lcmdlIHRoZW0/ Cj4+Cj4+IEkgYW0gbm90IHN1cmUgdGhpcyBpcyByaWdodCB0byBkby4gV2Ugd2FudCB0byBkaXNh YmxlIHRoZSBDUFUgaW50ZXJmYWNlIHZlcnkKPj4gbGF0ZSAoaW1hZ2luZSB3ZSBuZWVkIHRvIHNl cnZpY2UgaW50ZXJydXB0KS4KPj4KPiAKPiBUaGlzIGRvZXNuJ3QgbWVhbiB0aGF0IHRoZSBnaWNf ZGlzYWJsZV9jcHUgY2FuJ3QgYmUgZG9uZSB1c2luZwo+IG5vdGlmaWVycywgd2Ugd291bGQganVz dCBmaXJzdCBkaXNhYmxlIG1haW50ZW5hbmNlIGlycSBhbmQgdGhlbiBnaWMKPiBjcHUgaW50ZXJm YWNlLgo+IEhvd2V2ZXIsIG1vdmluZyBnaWNfZGlzYWJsZV9jcHUgaW4gbm90aWZpZXIgd291bGQg bWVhbiB0aGF0IGludGVycnVwdHMKPiBzaG91bGQgYmUgZGlzYWJsZWQgdXNpbmcgbm90aWZpZXJz ICh3aG9zZSBwcmlvcml0eSBpcyBoaWdoZXIgdGhhbiBnaWMKPiBub3RpZmllcidzIHByaW9yaXR5 KSBhcyB3ZWxsLgoKSSB3b3VsZCBwcmVmZXIgdG8ga2VlcCB0aGUgZ2ljX2Rpc2FibGVfY3B1IHdo ZXJlIGl0IGlzIGF0IHRoZSBtb21lbnQuCgo+IFBsZWFzZSBsZXRzIGZpbmFsaXplIHRoZSBkaXNj dXNzaW9uIGFuZCBtYWtlIGFuIGFncmVlbWVudCBvbiB3aGF0Cj4gc2hvdWxkIGJlIGRvbmUsIEkg d291bGQgbGlrZSB0byBnZXQgdjMgQVNBUC4KPiAKPiBUaGFua3MsCj4gTWlyZWxhCj4gCj4+IENo ZWVycywKPj4KPj4gLS0KPj4gSnVsaWVuIEdyYWxsCgotLSAKSnVsaWVuIEdyYWxsCgpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGlu ZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnBy b2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs