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d="scan'208";a="12031050" Date: Mon, 3 Feb 2020 17:18:29 +0100 From: Roger Pau =?utf-8?B?TW9ubsOp?= To: David Woodhouse Message-ID: <20200203161829.GC4679@Air-de-Roger> References: <8a95f787ca93b23ee8d8c0b55fcc63d22a75c5f3.camel@infradead.org> <20200201003303.2363081-1-dwmw2@infradead.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200201003303.2363081-1-dwmw2@infradead.org> X-ClientProxiedBy: AMSPEX02CAS01.citrite.net (10.69.22.112) To AMSPEX02CL01.citrite.net (10.69.22.125) Subject: Re: [Xen-devel] [PATCH 1/8] x86/smp: reset x2apic_enabled in smp_send_stop() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , Julien Grall , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Varad Gautam , Ian Jackson , Hongyan Xia , xen-devel@lists.xenproject.org, Paul Durrant Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gU2F0LCBGZWIgMDEsIDIwMjAgYXQgMTI6MzI6NTZBTSArMDAwMCwgRGF2aWQgV29vZGhvdXNl IHdyb3RlOgo+IEZyb206IERhdmlkIFdvb2Rob3VzZSA8ZHdtd0BhbWF6b24uY28udWs+Cj4gCj4g SnVzdCBiZWZvcmUgc21wX3NlbmRfc3RvcCgpIHJlLWVuYWJsZXMgaW50ZXJydXB0cyB3aGVuIHNo dXR0aW5nIGRvd24KPiBmb3IgcmVib290IG9yIGtleGVjLCBpdCBjYWxscyBfX3N0b3BfdGhpc19j cHUoKSB3aGljaCBpbiB0dXJuIGNhbGxzCj4gZGlzYWJsZV9sb2NhbF9BUElDKCksIHdoaWNoIHB1 dHMgdGhlIEFQSUMgYmFjayBpbiB0byB0aGUgbW9kZSBYZW4gZm91bmQKPiBpdCBpbiBhdCBib290 Lgo+IAo+IElmIHRoYXQgbWVhbnMgdHVybmluZyB4MkFQSUMgb2ZmIGFuZCBnb2luZyBiYWNrIGlu dG8geEFQSUMgbW9kZSwgdGhlbgo+IGEgdGltZXIgaW50ZXJydXB0IG9jY3VycmluZyBqdXN0IGFm dGVyIGludGVycnVwdHMgY29tZSBiYWNrIG9uIHdpbGwKPiBsZWFkIHRvIGEgR1AjIHdoZW4gYXBp Y190aW1lcl9pbnRlcnJ1cHQoKSBhdHRlbXB0cyB0byBhY2sgdGhlIElSUQo+IHRocm91Z2ggdGhl IEVPSSByZWdpc3RlciBpbiB4MkFQSUMgTVNSIDB4ODBiOgo+IAo+IChYRU4pIEV4ZWN1dGluZyBr ZXhlYyBpbWFnZSBvbiBjcHUwCj4gKFhFTikgLS0tLVsgWGVuLTQuMTQtdW5zdGFibGUgIHg4Nl82 NCAgZGVidWc9biAgIE5vdCB0YWludGVkIF0tLS0tCj4gKFhFTikgQ1BVOiAgICAwCj4gKFhFTikg UklQOiAgICBlMDA4Ols8ZmZmZjgyZDA4MDI2YzEzOT5dIGFwaWNfdGltZXJfaW50ZXJydXB0KzB4 MjkvMHg0MAo+IChYRU4pIFJGTEFHUzogMDAwMDAwMDAwMDAxMDA0NiAgIENPTlRFWFQ6IGh5cGVy dmlzb3IKPiAoWEVOKSByYXg6IDAwMDAwMDAwMDAwMDAwMDAgICByYng6IDAwMDAwMDAwMDAwMDAw ZmEgICByY3g6IDAwMDAwMDAwMDAwMDA4MGIKPiDigKYKPiAoWEVOKSBYZW4gY29kZSBhcm91bmQg PGZmZmY4MmQwODAyNmMxMzk+IChhcGljX3RpbWVyX2ludGVycnVwdCsweDI5LzB4NDApOgo+IChY RU4pICBjMCBiOSAwYiAwOCAwMCAwMCA4OSBjMiA8MGY+IDMwIDMxIGZmIGU5IDBlIGM5IGZiIGZm IDBmIDFmIDQwIDAwIDY2IDJlIDBmCj4g4oCmCj4gKFhFTikgWGVuIGNhbGwgdHJhY2U6Cj4gKFhF TikgICAgWzxmZmZmODJkMDgwMjZjMTM5Pl0gUiBhcGljX3RpbWVyX2ludGVycnVwdCsweDI5LzB4 NDAKPiAoWEVOKSAgICBbPGZmZmY4MmQwODAyODM4MjU+XSBTIGRvX0lSUSsweDk1LzB4NzUwCj4g 4oCmCj4gKFhFTikgICAgWzxmZmZmODJkMDgwMmEwYWQyPl0gUyBzbXBfc2VuZF9zdG9wKzB4NDIv MHhkMAo+IAo+IFdlIGNhbid0IGNsZWFyIHRoZSBnbG9iYWwgeDJhcGljX2VuYWJsZWQgdmFyaWFi bGUgaW4gZGlzYWJsZV9sb2NhbF9BUElDKCkKPiBpdHNlbGYgYmVjYXVzZSB0aGF0IHJ1bnMgb24g ZWFjaCBDUFUuIEluc3RlYWQsIGNvcnJlY3QgaXQgKGJ5IHVzaW5nCj4gY3VycmVudF9sb2NhbF9h cGljX21vZGUoKSkgaW4gc21wX3NlbmRfc3RvcCgpIHdoaWxlIGludGVycnVwdHMgYXJlIHN0aWxs Cj4gZGlzYWJsZWQgaW1tZWRpYXRlbHkgYWZ0ZXIgY2FsbGluZyBfX3N0b3BfdGhpc19jcHUoKSBm b3IgdGhlIGJvb3QgQ1BVLAo+IGFmdGVyIGFsbCBvdGhlciBDUFVzIGhhdmUgYmVlbiBzdG9wcGVk Lgo+IAo+IGNmOiBkNjM5YmRkOWJiZSAoIng4Ni9hcGljOiBEaXNhYmxlIHRoZSBMQVBJQyBsYXRl ciBpbiBzbXBfc2VuZF9zdG9wKCkiKQo+ICAgICAuLi4gd2hpY2ggZGlkbid0IHF1aXRlIGZpeCBp dCBjb21wbGV0ZWx5Lgo+IAo+IFNpZ25lZC1vZmYtYnk6IERhdmlkIFdvb2Rob3VzZSA8ZHdtd0Bh bWF6b24uY28udWs+CgpSZXZpZXdlZC1ieTogUm9nZXIgUGF1IE1vbm7DqSA8cm9nZXIucGF1QGNp dHJpeC5jb20+CgpUaGFua3MhCgo+IC0tLQo+ICB4ZW4vYXJjaC94ODYvc21wLmMgfCAxICsKPiAg MSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0aW9uKCspCj4gCj4gZGlmZiAtLWdpdCBhL3hlbi9hcmNo L3g4Ni9zbXAuYyBiL3hlbi9hcmNoL3g4Ni9zbXAuYwo+IGluZGV4IDY1ZWI3Y2JkYTguLmZhYzI5 NWZhNmYgMTAwNjQ0Cj4gLS0tIGEveGVuL2FyY2gveDg2L3NtcC5jCj4gKysrIGIveGVuL2FyY2gv eDg2L3NtcC5jCj4gQEAgLTM1NCw2ICszNTQsNyBAQCB2b2lkIHNtcF9zZW5kX3N0b3Aodm9pZCkK PiAgICAgICAgICBkaXNhYmxlX0lPX0FQSUMoKTsKPiAgICAgICAgICBocGV0X2Rpc2FibGUoKTsK PiAgICAgICAgICBfX3N0b3BfdGhpc19jcHUoKTsKPiArICAgICAgICB4MmFwaWNfZW5hYmxlZCA9 IChjdXJyZW50X2xvY2FsX2FwaWNfbW9kZSgpID09IEFQSUNfTU9ERV9YMkFQSUMpOwoKWW91IGNv dWxkIGRvIHRoaXMgb25seSB3aGVuIGtleGVjaW5nLCBidXQgaXQncyBzYWZlIHRvIGRvCnVuY29u ZGl0aW9uYWxseSwgYW5kIG1pZ2h0IGJlIGhlbHBmdWwgaWYgd2UgYWxzbyBkZWNpZGUgdG8gcGxh eSB3aXRoCnRoZSBsYXBpYyBtb2RlIGV2ZW4gd2hlbiBub3Qga2V4ZWNpbmcuCgpSb2dlci4KCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBt YWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMu eGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=