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: Fri, 27 Apr 2018 10:28:26 +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> <20180426142348.GB12602@deinos.phlegethon.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180426142348.GB12602@deinos.phlegethon.org> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Tim Deegan , Julien Grall Cc: "Edgar E. Iglesias" , Andre Przywara , Stefano Stabellini , Mirela Simonovic , Xen Devel List-Id: xen-devel@lists.xenproject.org SGksCgpTb21laG93LCBJIGRpZG4ndCByZWNlaXZlIHRoZSBlLW1haWwgb24gbXkgQXJtIGFjY291 bnQuCgpPbiAyNi8wNC8xOCAxNToyMywgVGltIERlZWdhbiB3cm90ZToKPiBBdCAxMTowOCArMDEw MCBvbiAyNiBBcHIgKDE1MjQ3NDA5MjEpLCBKdWxpZW4gR3JhbGwgd3JvdGU6Cj4+Pj4+PiBPbiAy MC8wNC8xOCAxMzoyNSwgTWlyZWxhIFNpbW9ub3ZpYyB3cm90ZToKPj4+PiBUaGlzIGxvb2tzIGEg Yml0IHdlaXJkLiBBRkFJVSwgaWYgeW91IGRpc2FibGUgdGhlIENQVSBpbnRlcmZhY2UsIHRoZW4g eW91Cj4+Pj4gc2hvdWxkIG5ldmVyIHJlY2VpdmUgaW50ZXJydXB0IGFmdGVyLiBTbyB3aHkgd291 bGQgeW91IHJlLWVuYWJsZSB0aGVtPwo+Pj4+Cj4+Pj4gSSByZWFsaXplIHRoZSBjb2RlIGluIF9f Y3B1X2Rpc2JhbGUgZG8gdGhhdCwgYnV0IHRoaXMgbG9va3MgcXVpdGUgd3JvbmcgdG8KPj4+PiBt ZS4gVGhlcmUgYXJlIG5vIHdheSB0byByZWNlaXZlIHF1ZXVlZCB0aW1lciBpbnRlcnJ1cHQgYWZ0 ZXJ3YXJkcy4KPj4+Pgo+Pj4KPj4+IFRoYXQgaXMgd2hhdCBJIHRvb2sgYXMgYSByZWZlcmVuY2Us IGJ1dCBJIGFza2VkIG15c2VsZiB0aGUgc2FtZS4KPj4+IFRoZXJlIGlzIChleHRyZW1lbHkgc21h bGwsIGJ1dCBpdCBleGlzdHMpIHRpbWUgd2luZG93IGJldHdlZW4KPj4+IGRpc2FibGluZyBpcnEg bG9jYWxseSBhbmQgZGlzYWJsaW5nIENQVSBpbnRlcmZhY2UuIEFuIGludGVycnVwdAo+Pj4gcmVj ZWl2ZWQgaW4gdGhhdCB0aW1lIHdpbmRvdyB3b3VsZCBwcm9wYWdhdGUgdG8gdGhlIENQVSBidXQg SSdtIG5vdAo+Pj4gc3VyZSB3b3VsZCBoYXBwZW4gYWZ0ZXIgdGhlIEdJQyBDUFUgaW50ZXJmYWNl IGlzIGRpc2FibGVkIGFuZAo+Pj4gaW50ZXJydXB0cyBhcmUgbG9jYWxseSBlbmFibGVkLiBUaGF0 IGlzIHRoZSBvbmx5IGV4cGxhbmF0aW9uIEkgY2FuCj4+PiBjb21lIHVwIHdpdGgsIGFsdGhvdWdo IEkgYmVsaWV2ZSB0aGUgYW5zd2VyIGlzIG5vdGhpbmcuIFNpbmNlIHlvdSdyZQo+Pj4gYXQgQVJN IHlvdSBjb3VsZCBjaGVjayB0aGlzIGludGVybmFsbHkuCj4+Cj4+IFNwZWFraW5nIHdpdGggQW5k cmUgKGluIENDKSwgdGhlIEdJQyBDUFUgaW50ZXJmYWNlIG1heSBoYXZlIGZvcndhcmRlZCBhbgo+ PiBpbnRlcnJ1cHQgdG8gdGhlIHByb2Nlc3NvciBiZWZvcmUgaXQgZ2V0cyBkaXNhYmxlZC4gU28g d2hlbiB0aGUKPj4gaW50ZXJydXB0IHdpbGwgYmUgcmUtZW5hYmxlZCwgdGhlIHByb2Nlc3NvciB3 aWxsIGp1bXAgdG8gdGhlIGludGVycnVwdAo+PiBleGNlcHRpb24gZW50cnkuCj4+Cj4+IEhvd2V2 ZXIsIGxvb2tpbmcgYXQgdGhlIHNwZWMgKDQtNzggaW4gQVJNIElISSAwMDQ4Qi5iKSwgWGVuIHdp bGwgcmVhZCBhCj4+IHNwdXJpb3VzIGludGVycnVwdCBJRCBmcm9tIEdJQ0NfSUFSLiBTbyBJIGFt IG5vdCBzdXJlIHdoYXQgdGhlIHBvaW50IG9mCj4+IHRoYXQgY29kZS4gSXQgbG9va3MgbGlrZSBp dCBoYXMgYmVlbiB0YWtlbiBmcm9tIHg4NiwgYnV0IHNvbWUgYml0cyBhcmUKPj4gbWlzc2luZy4K Pj4KPj4gQUZBSVUsIHg4NiB3aWxsIG9ubHkgc3VzcGVuZCB0aGUgdGltZXIgYWZ0ZXJ3YXJkcyAo c2VlIHRpbWVfc3VzcGVuZCkuIEkKPj4gYW0gbm90IGZ1bGx5IHN1cmUgd2h5IHRoaXMgY29kZSBp cyB0aGVyZSBvbiBBcm0uIFdoZXRoZXIgd2UgZXhwZWN0IGEKPj4gdGltZXIgaW50ZXJydXB0IHRv IGNvbWUgdXAuIFN0ZWZhbm8sIFRpbSwgZG8geW91IGhhdmUgYW55IGluc2lnaHQgb24KPj4gdGhh dCBjb2RlPwo+IAo+IFNvcnJ5LCBuby4gIEkgcHJldHR5IGNsZWFybHkgY29waWVkIHRoaXMgbG9n aWMgZnJvbSB4ODYsIHdoaWNoIGNvcGllZAo+IGl0IGRpcmVjdGx5IGZyb20gTGludXggYXQgc29t ZSBwb2ludCBpbiB0aGUgcGFzdC4gIEkgZG9uJ3Qga25vdyB3aHkKPiB4ODYgZG9lcyBpdCB0aGlz IHdheSwgYW5kIEkgaGF2ZW4ndCBkaXZlZCBpbnRvIGxpbnV4IHRvIGZpbmQgb3V0LiA6KQo+IEJ1 dCBkcmFpbmluZyB0aGUgb3V0c3RhbmRpbmcgSVJRcyBzZWVtcyBsaWtlIGEgcG9saXRlIHRoaW5n IHRvIGRvIGlmCj4geW91J3JlIGV2ZXIgZ29pbmcgdG8gcmUtZW5hYmxlIHRoaXMgQ1BVIChhdCBs ZWFzdCB3aXRob3V0IHJlc2V0dGluZwo+IGl0IGZpcnN0KS4KCkkgYW0gbm90IGVudGlyZWx5IHN1 cmUgd2hhdCB5b3UgbWVhbiBieSBkcmFpbmluZywgZG8geW91IG1lYW4gdGhleSB3aWxsIApzZXJ2 aWNlZCBieSBYZW4/IElmIHNvLCB3aGF0IGtpbmQgb2YgaW50ZXJydXB0cyBkbyB5b3UgZXhwZWN0 IHRvIGJlIApzZXJ2aWNlZCAoZS5nIFBQSSwgU1BJcykgPwoKQUZBSVUsIHlvdSB3aWxsIG5vdCBi ZSBhYmxlIHRvIHJlYWQgb3V0c3RhbmRpbmcgaW50ZXJydXB0cyBhcyB0aGUgCkdJQ0NfSUFSIHdp bGwgYWx3YXlzIHJldHVybiBhIHNwdXJpb3VzIGludGVycnVwdCB3aGVuIHRoZSBHSUMgQ1BVIApp bnRlcmZhY2UgaXMgZGlzYWJsZWQuIFNvIHlvdSB3aWxsIHN0aWxsIHRha2UgdGhlIGV4Y2VwdGlv biBpZiB0aGUgCmludGVyZmFjZSBzaWduYWxlZCB0aGUgcHJvY2Vzc29yIGZvciBhbiBpbmNvbWlu ZyBpbnRlcnJ1cHQgYnV0IGFsbCB0aGUgCmludGVycnVwdHMgd2lsbCBzdGF5IHBlbmRpbmcuCgpD bGVhcmx5LCB0aGlzIGNvZGUgZG9lcyBub3Qgc2VlbSB0byBiZSBkb2luZyB3aGF0IHdlIGFyZSBl eHBlY3RpbmcuIApTcGVha2luZyB0aGUgTWFyYyBaLiAoR0lDIG1haW50YWluZXJzIGluIExpbnV4 KSwgdGhlcmUgYXJlIG5vIG5lZWQgdG8gCmRpc2FibGUgdGhlIEdJQyBDUFUgaW50ZXJmYWNlIGlu IHRoZSBoeXBlcnZpc29yL09TLiBZb3UgYXJlIGdvaW5nIHRvIApzaHV0ZG93biB0aGUgQ1BVIGFu ZCBpdCB3aWxsIGJlIHJlc2V0IHdoZW4geW91IGFyZSBjb21pbmcgYmFjay4KClNvIEkgdGhpbmsg d2Ugc2hvdWxkIGRyb3AgdGhlIGdpY19kaXNhYmxlX2NwdSgpIGNhbGwuIEkgYW0gbm90IHN1cmUg eWV0IAp3aGF0L2lmIHdlIHNob3VsZCB3aXRoIHNvbWV0aGluZyBoZXJlLiBJIHdpbGwgd2FpdCB5 b3VyIGFuc3dlciBvbiBteSAKcXVlc3Rpb24gYWJvdmUuCgpNaXJlbGEsIGxvb2tpbmcgYXQgdGhl IFBTQ0kgc3BlYywgaXQgc2VlbXMgeW91IGhhdmUgdG8gbWlncmF0ZSBhd2F5IGFsbCAKdGhlIGlu dGVycnVwdHMgZnJvbSB0aGUgY29yZSBiZWZvcmUgcG93ZXJpbmcgZG93biAoc2VlIDUuNS4yIGlu IEFSTSBERU4gCjAwMjJEKS4gU28gSSB0aGluayB5b3UgbmVlZCB0byBlbnN1cmUgdGhhdCBldmVu IFNQSXMgYXJlIG1vdmVkIGF3YXkuCgpDaGVlcnMsCgotLSAKSnVsaWVuIEdyYWxsCgpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGlu ZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnBy b2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs