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[54.240.197.238]) by smtp.gmail.com with ESMTPSA id b17sm2792207wrp.49.2020.02.19.04.14.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 19 Feb 2020 04:14:48 -0800 (PST) To: Jan Beulich , Andrew Cooper References: <20200213125449.14226-1-jgross@suse.com> <1f5db5a6-e5c3-4d63-fdb4-e027d38bea18@citrix.com> <479abfd7-8fc2-526d-ed72-033aadc96f7c@suse.com> From: Julien Grall Message-ID: <9a81ab44-7ecb-5190-bab3-cbca9e39bfb8@xen.org> Date: Wed, 19 Feb 2020 12:14:47 +0000 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <479abfd7-8fc2-526d-ed72-033aadc96f7c@suse.com> Content-Language: en-GB Subject: Re: [Xen-devel] [PATCH 0/8] xen: don't let keyhandlers block indefinitely on locks 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: Juergen Gross , Kevin Tian , Stefano Stabellini , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Ian Jackson , Dario Faggioli , Ross Lagerwall , Meng Xu , Jun Nakajima , xen-devel@lists.xenproject.org, =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" SGkgSmFuLAoKT24gMTQvMDIvMjAyMCAwOTozNywgSmFuIEJldWxpY2ggd3JvdGU6Cj4gT24gMTMu MDIuMjAyMCAxOTozOCwgQW5kcmV3IENvb3BlciB3cm90ZToKPj4gT24gMTMvMDIvMjAyMCAxMjo1 NCwgSnVlcmdlbiBHcm9zcyB3cm90ZToKPj4+IEtleWhhbmRsZXJzIGR1bXBpbmcgaHlwZXJ2aXNv ciBpbmZvcm1hdGlvbiB0byB0aGUgY29uc29sZSBvZnRlbiBuZWVkCj4+PiB0byB0YWtlIGxvY2tz IHdoaWxlIGFjY2Vzc2luZyBkYXRhLiBJbiBvcmRlciB0byBub3QgYmxvY2sgaW4gY2FzZSBvZgo+ Pj4gc3lzdGVtIGluY29uc2lzdGVuY2llcyBpdCBpcyBjb252ZW5pZW50IHRvIHVzZSB0cnlsb2Nr IHZhcmlhbnRzIHdoZW4KPj4+IG9idGFpbmluZyB0aGUgbG9ja3MuIE9uIHRoZSBvdGhlciBoYW5k IGEgYnVzeSBzeXN0ZW0gbWlnaHQgZWFzaWx5Cj4+PiBlbmNvdW50ZXIgaGVsZCBsb2Nrcywgc28g dGhpcyBwYXRjaCBzZXJpZXMgaXMgYWRkaW5nIHNwZWNpYWwgdHJ5bG9jawo+Pj4gdmFyaWFudHMg d2l0aCBhIHRpbWVvdXQgdXNlZCBieSBrZXloYW5kbGVycy4KPj4KPj4gVGhpcyBpcyBhIGJhY2t3 YXJkcyBzdGVwLgo+Pgo+PiBLZXloYW5kbGVycyBhcmUgZm9yIGRlYnVnZ2luZyBwdXJwb3Nlcy7C oCBXaGVuIGRlYnVnZ2luZyBpdCBpcyBmYXIgbW9yZQo+PiBpbXBvcnRhbnQgdG8gZ2V0IHRoZSBy ZXF1ZXN0ZWQgZGF0YSwgdGhhbiBhbG1vc3QgYW55dGhpbmcgZWxzZS4KPj4KPj4gVGhlIHN5c3Rl bSB3aWxsIGNvcGUgd2l0aCBhIG11bHRpLXNlY29uZCBvdXRhZ2Ugb2NjdXJyaW5nIGFwcHJveGlt YXRlbHkKPj4gbmV2ZXIuwqAgQSBwZXJzb24gZGVidWdnaW5nIHdobyBjYW4ndCBnZXQgdGhlIGRh dGEgaGFzIG5vIGNoYW5jZSBvZgo+PiBmaXhpbmcgd2hhdGV2ZXIgcHJvYmxlbSB0aGV5IGFyZSBs b29raW5nIGZvci4KPj4KPj4gVGhpcyBzZXJpZXMgc2VlbXMgdG8gYmUgYnJlYWtpbmcgdGhlIG9u ZSBjcml0aWNhbCB1c2VjYXNlIGZvcgo+PiBrZXloYW5kbGVycywgdG8gZml4IHdoYXQgLSBub3Qg bGV0IGRlYnVnZ2luZyBnZXQgaW4gdGhlIHdheSBvZiB0aGUKPj4gc21vb3RoIHJ1bm5pbmcgb2Yg dGhlIHN5c3RlbT/CoCBBIHN5c3RlbSBpbiBuZWVkIG9mIGRlYnVnZ2luZyBpbiB0aGUKPj4gZmly c3QgcGxhY2UgaGFzIGJpZ2dlciBwcm9ibGVtcyB0aGFuIG5lZWRpbmcgdG8gcnVuIHNtb290aGx5 Lgo+IAo+IEkgY2VydGFpbmx5IGFjY2VwdCB3aGF0IHlvdSBzYXkgZnVydGhlciB1cCwgYnV0IEkg ZG9uJ3QgdGhpbmsgdGhpcwo+IGxhc3Qgc3RhdGVtZW50IGlzIHVuaXZlcnNhbGx5IHRydWUuIFRo ZXJlIG1heSBiZSBhIHNpbmdsZSBndWVzdCBpbgo+IHRyb3VibGUsIHdoaWNoIC0gdG8gZmluZCBv dXQgYWJvdXQgaXRzIHN0YXRlIC0gc29tZSBkZWJ1Z2dpbmcga2V5cwo+IG1heSB3YW50IGlzc3Vp bmcuIERpc3R1cmJpbmcgdGhlIGhvc3QgYW5kIGFsbCBvdGhlciBndWVzdHMgZm9yIHRoaXMKPiBp cyBub3QgYSBnb29kIGlkZWEgaW1vLgoKVGhpcyBzZWVtcyB0byBzdWdnZXN0IHRoYXQgeW91IG9u bHkgd2FudCBpbmZvcm1hdGlvbiBmb3IgYSBzaW5nbGUgZ3Vlc3QuIApUaGVyZWZvcmUgdXNpbmcg ZGVidWdnaW5nIGtleXMgd2FzIGFscmVhZHkgYSBiYWQgaWRlYSBiZWNhdXNlIGl0IHdpbGwgCmRp c3R1cmIgYWxsIHRoZSBvdGhlciBndWVzdHMuCgpGb3IgeW91ciBzZXR1cCwgaXQgbWlnaHQgYmUg d29ydGggY29uc2lkZXJpbmcgdG8gZXh0ZW5kIHhlbmN0eCBvciAKaW50cm9kdWNlIGEgd2F5IHRv IGR1bXAgaW5mb3JtYXRpb24gZm9yIGEgc3BlY2lmaWMgZG9tYWluLgoKQ2hlZXJzLAoKLS0gCkp1 bGllbiBHcmFsbAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcK aHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==