From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [for-4.7 2/2] xen/arm: p2m: Release the p2m lock before undoing the mappings Date: Tue, 17 May 2016 13:48:39 +0100 Message-ID: <573B1327.2080205@arm.com> References: <1463407735-7409-1-git-send-email-julien.grall@arm.com> <1463407735-7409-3-git-send-email-julien.grall@arm.com> <45f975ea-e916-4066-03b7-8fac4225bda7@arm.com> <573B01FC.5070906@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Stefano Stabellini Cc: wei.liu2@citrix.com, Wei Chen , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org SGkgU3RlZmFubywKCk9uIDE3LzA1LzE2IDEzOjI3LCBTdGVmYW5vIFN0YWJlbGxpbmkgd3JvdGU6 Cj4gT24gVHVlLCAxNyBNYXkgMjAxNiwgSnVsaWVuIEdyYWxsIHdyb3RlOgo+PiBPbiAxNy8wNS8x NiAxMjoyNCwgU3RlZmFubyBTdGFiZWxsaW5pIHdyb3RlOgo+Pj4gSSB0aGluayB5b3UgYXJlIHJp Z2h0LiBFc3BlY2lhbGx5IHdpdGggYmFja3BvcnRzIGluIG1pbmQsIGl0IHdvdWxkIGJlCj4+PiBi ZXR0ZXIgdG8gaW50cm9kdWNlIGFuIF9fYXBwbHlfcDJtX2NoYW5nZXMgZnVuY3Rpb24gd2hpY2gg YXNzdW1lcyB0aGF0Cj4+PiB0aGUgcDJtIGxvY2sgaGFzIGFscmVhZHkgYmVlbiB0YWtlbiBieSB0 aGUgY2FsbGVyLiBUaGVuIHlvdSBjYW4gYmFzZSB0aGUKPj4+IGltcGxlbWVudGF0aW9uIG9mIGFw cGx5X3AybV9jaGFuZ2VzIG9uIGl0Lgo+Pgo+Pj4gT24gVHVlLCAxNyBNYXkgMjAxNiwgV2VpIENo ZW4gd3JvdGU6Cj4+Pj4gSGkgSnVsaWVuLAo+Pj4+Cj4+Pj4gSSBoYXZlIHNvbWUgY29uY2VybiBh Ym91dCB0aGlzIHBhdGNoLiBCZWNhdXNlIHdlIHJlbGVhc2VkIHRoZSBzcGlubG9jawo+Pj4+IGJl Zm9yZSByZW1vdmUgdGhlIG1hcHBlZCBtZW1vcnkuIElmIHNvbWVib2R5IGFjcXVpcmVzIHRoZSBz cGlubG9jawo+Pj4+IGJlZm9yZSB3ZSByZW1vdmUgdGhlIG1hcHBlZCBtZW1vcnksIHRoaXMgbWFw cGVkIG1lbW9yeSByZWdpb24gY2FuIGJlCj4+Pj4gYWNjZXNzZWQgYnkgZ3Vlc3QuCj4+Pj4KPj4+ PiBUaGUgYXBwbHlfcDJtX2NoYW5nZXMgaXMgbm8gbG9uZ2VyIGF0b21pYy4gSXMgaXQgYSBzZWN1 cml0eSByaXNrPwo+Pgo+PiBBY2Nlc3NlcyB0byB0aGUgcGFnZSB0YWJsZSBoYXZlIG5ldmVyIGJl ZW4gYXRvbWljLCBhcyBzb29uIGFzIGFuIGVudHJ5IGlzCj4+IHdyaXR0ZW4gaW4gdGhlIHBhZ2Ug dGFibGVzLCB0aGUgZ3Vlc3QgdkNQVXMgb3IgYSBwcmVmZXRjaGVyIGNvdWxkIHJlYWQgaXQuCj4+ Cj4+IFRoZSBzcGlubG9jayBpcyBvbmx5IGhlcmUgdG8gcHJvdGVjdCB0aGUgcGFnZSB0YWJsZXMg YWdhaW5zdCBjb25jdXJyZW50Cj4+IG1vZGlmaWNhdGlvbnMuIFJlbGVhc2luZyB0aGUgbG9jayBp cyBub3QgYW4gaXNzdWUgYXMgWGVuIGRvZXMgbm90IHByb21pc2UgYW55Cj4+IG9yZGVyaW5nIGZv ciB0aGUgcDJtIGNoYW5nZXMuCj4KPiBJIHVuZGVyc3RhbmQgdGhhdC4gSG93ZXZlciBJIGFtIHdv bmRlcmluZyB3aGV0aGVyIGl0IG1pZ2h0IGJlIHBvc3NpYmxlCj4gZm9yIHRoZSBndWVzdCB0byBy dW4gY29tbWFuZHMgd2hpY2ggY2F1c2UgY29uY3VycmVudCBwMm0gY2hhbmdlIHJlcXVlc3RzCj4g b24gcHVycG9zZSwgaW5zZXJ0aW5nIHNvbWV0aGluZyBlbHNlIGJldHdlZW4gdGhlIGZpcnN0IHBo YXNlIGFuZCB0aGUKPiBzZWNvbmQgcGhhc2Ugb2YgYXBwbHlfcDJtX2NoYW5nZXMsIGNhdXNpbmcg cHJvYmxlbXMgdG8gdGhlIGh5cGVydmlzb3IuCgpSZW1vdmluZyBhbmQgaW5zZXJ0aW5nIGVudHJp ZXMgYXJlIDIgZGlzdGluY3Qgc3RlcHMuCgo+IE9yIG1heWJlIG5vdCBldmVuIG9uIHB1cnBvc2Us IGJ1dCBjYXVzaW5nIHByb2JsZW0gdG8gaXRzZWxmIG5vbmV0aGVsZXNzLgoKRWFjaCB2Q1BVIGNh biBvbmx5IHRyaWdnZXIgb25lIGNvbW1hbmQgYXQgdGhlIHRpbWUuIFNvIGNvbmN1cnJlbnQgcDJt IApjaGFuZ2VzIHdvdWxkIGludm9sdmUgMiB2Q1BVcy4KCkV2ZW4gaWYgdkNQVSBBIHNlbmQgdGhl IGNvbW1hbmQgYmVmb3JlIHZDUFUgQiwgbm90aGluZyBwcmV2ZW50cyBYZW4gdG8gCnNlcnZlIEIg YmVmb3JlIEEuCgpUaGUgb25seSB3YXkgYSBndWVzdCBjb3VsZCBoYXJtIGl0c2VsZiB3b3VsZCBi ZSB0byBoYXZlIHRoZSAyIHJlcXVlc3RzIAptb2RpZnlpbmcgdGhlIHNhbWUgcmVnaW9ucyBpbiB0 aGUgcGFnZSB0YWJsZXMuIEhvd2V2ZXIsIHBlci1hYm92ZSB0aGlzIApiZWhhdmlvciBpcyB1bmRl ZmluZWQgbm8gbWF0dGVyIHRoZSBpbXBsZW1lbnRhdGlvbiBvZiBhcHBseV9wMm1fY2hhbmdlcy4K Cj4gSG9uZXN0bHkgaXQgaXMgdHJ1ZSB0aGF0IGl0IGRvZXNuJ3QgbG9vayBsaWtlIFhlbiBjb3Vs ZCBydW4gaW50bwo+IHRyb3VibGVzLiBCdXQgc3RpbGwgdGhpcyBpcyBhIGNoYW5nZSBpbiBiZWhh dmlvdXIgY29tcGFyZWQgdG8gdGhlCj4gY3VycmVudCBjb2RlICh3aGljaCBJIGtub3cgZG9lc24n dCBhY3R1YWxseSB3b3JrKSBhbmQgSSB3YW50ZWQgdG8gZmxhZwo+IGl0LgoKVGhpcyBjb2RlIGhh cyBhbHdheXMgYmVlbiBidWdneSwgYW5kIEkgc3VzcGVjdCB0aGUgZ29hbCB3YXMgdG8gY2FsbCBi YWNrIAp3aXRob3V0IHRoZSBsb2NrLgoKVGhlcmUgaXMgbm8gcmVhc29uIHRvIGtlZXAgdGhlIGxv Y2sgbW9yZSB0aGFuIG5lY2Vzc2FyeS4gUmVsZWFzaW5nIHRoZSAKbG9jayBhbGxvdyBvdGhlciBw Mm0gY2hhbmdlcyB0byBiZSBleGVjdXRlZCByYXRoZXIgdGhhbiBzcGlubmluZyB3aGlsZSAKdGhl IGxvbmcgZXhlY3V0aW9uIChJTlNFUlRJT04gKyBSRU1PVkFMKSBpcyBkb25lLgoKUmVnYXJkcywK Ci0tIApKdWxpZW4gR3JhbGwKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcK aHR0cDovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==