From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Wang Subject: Re: Sources of initialized memory in virtio? Date: Fri, 14 Sep 2018 11:50:44 +0800 Message-ID: <5af75fdb-62c2-fc61-fb05-0fe31357c461@redhat.com> References: 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-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Alexander Potapenko , stefanha@redhat.com, "Michael S. Tsirkin" , kraxel@redhat.com Cc: kvm@vger.kernel.org, virtualization@lists.linux-foundation.org List-Id: virtualization@lists.linuxfoundation.org CgpPbiAyMDE45bm0MDnmnIgxM+aXpSAyMTowMCwgQWxleGFuZGVyIFBvdGFwZW5rbyB3cm90ZToK PiBIaSBtaWdodHkgdmlydGlvIG1haW50YWluZXJzLAo+Cj4gSSdtIHdvcmtpbmcgb24gS01TQU4s IGEgbmV3IHJ1bnRpbWUgZGV0ZWN0b3Igb2YgdW5pbml0aWFsaXplZCBtZW1vcnkKPiBiYXNlZCBv biBjb21waWxlciBpbnN0cnVtZW50YXRpb24gKGh0dHBzOi8vZ2l0aHViLmNvbS9nb29nbGUva21z YW4pCj4gS01TQU4gaXMgbW9zdGx5IGJlaW5nIHRlc3RlZCBvbiBRRU1VIHdpdGggS1ZNIGVuYWJs ZWQsIHNvIG15IGtlcm5lbAo+IGludGVyYWN0cyBhIGxvdCB3aXRoIHZhcmlvdXMgdmlydGlvIGRy aXZlcnMsIHRoYXQncyB3aHkgSSdtIHNlZWtpbmcKPiB5b3VyIGhlbHAuCj4KPiBCeSBkZWZhdWx0 IEtNU0FOIHRyZWF0cyBrZXJuZWwgbWVtb3J5IGFsbG9jYXRlZCBieSBrbWFsbG9jKCkgYW5kCj4g YWxsb2NfcGFnZSgpIGFzIHVuaW5pdGlhbGl6ZWQuIFdyaXRpbmcgYSBjb25zdGFudCB0byBtZW1v cnkgb3IgdXNpbmcKPiBpdCBpbiBjb3B5X2Zyb21fdXNlcigpIG1ha2VzIHRoYXQgbWVtb3J5IGlu aXRpYWxpemVkLgo+IFVuZm9ydHVuYXRlbHkgYSBsb3Qgb2Ygd3JpdGVzIHRvIG1lbW9yeSBmcm9t IEtWTSAobW9zdGx5IGluIHRoZSBkaXNrCj4gYW5kIG5ldHdvcmsgZHJpdmVycykgcmVtYWluIHVu bm90aWNlZCBieSB0aGUgdG9vbCwgdGhlcmVmb3JlIHdlJ3JlCj4gc2VlaW5nIGEgbG90IG9mIGZh bHNlIHBvc2l0aXZlIHJlcG9ydHMgKGFsb25nIHdpdGggYWN0dWFsIGJ1Z3MsIGxpa2UKPiBDVkUt MjAxOC0xMTE4KS4KPgo+IEtNU0FOIGhhcyBhbiBBUEkgZnVuY3Rpb24gYGttc2FuX3VucG9pc29u X3NoYWRvdyh2b2lkICpidWYsIGludCBsZW4pYCwKPiB3aGljaCBtZWFucyAiZnJvbSBub3cgb24s IHRpbGwgdGhpcyBtZW1vcnkgaXMgZnJlZWQgb3Igd3JpdHRlbiB0bywKPiBtYXJrIGl0IGFzIGlu aXRpYWxpemVkIi4KPiBJJ3ZlIHRyaWVkIHBsYXlpbmcgV2hhY2stYS1Nb2xlIGFkZGluZyBpdCB0 byB2YXJpb3VzIHBsYWNlcyB3aGVyZSB0aGUKPiBkYXRhIGNvbWVzIGZyb20gS1ZNLCBidXQgZmFp bGVkIHRvIGZpbmQgdGhlbSBhbGwuIEluIGZhY3QsIHNvbWUgb2YgbXkKPiBhbm5vdGF0aW9ucyB3 ZXJlIHdyb25nLCBzbyBJIGVuZGVkIHVwIHdpdGggdGhlIGZvbGxvd2luZyB0d28gcGF0Y2hlczoK Pgo+IGh0dHBzOi8vZ2l0aHViLmNvbS9nb29nbGUva21zYW4vY29tbWl0Lzc2YzY3MTE5OWE0ZGU1 YmJlNzNjZDEzMjEwYTVlMjg4NDgyMTFiZDEKPiBodHRwczovL2dpdGh1Yi5jb20vZ29vZ2xlL2tt c2FuL2NvbW1pdC80MGJhMWM4ZTJhM2M2YmJlOGYzNDAzNzQxM2UyNTM4OTQyNTFhNDA1Cj4KPiBC dXQgSSdtIGZhciBmcm9tIGJlaW5nIHN1cmUgdGhpcyBpcyB0aGUgY29tcGxldGUgbGlzdCBvZiBw bGFjZXMgd2hlcmUKPiB0aGUgbWVtb3J5IGlzIGluaXRpYWxpemVkIGJ5IHZpcnRpbyBkcml2ZXJz Lgo+IE1heSBJIGFzayB5b3UgdG8gaGVscCBtZSBmaW5kIHRoZSBwbGFjZXMgd2hlcmUgd2UgYWN0 dWFsbHkgbmVlZCB0bwo+IGFubm90YXRlIHRoZSBtZW1vcnkgaW4gdmlydGlvPwoKSXQgbG9va3Mg dG8gbWUgYW5vdGhlciBvbmUgaXMgdGhlIHVzZWQgcmluZyB3aGljaCBkZXZpY2Ugd3JpdGVzIGJh Y2sgdGhlIApjb21wbGV0ZWQgZGVzY3JpcHRvciBpZCBhbmQgbGVuZ3RoLiBJdCAodnItPnVzZWQp IHdhcyBhIHBhcnQgb2YgYSBwYWdlIAp3aGljaCB3YXMgYWxsb2NhdGVkIGluIHZyaW5nX2FsbG9j X3F1ZXVlKCkgdGhyb3VnaCBhbGxvY19wYWdlc19leGFjdCgpIAp3aXRoIF9fR0ZQX1pFUk8uIFNv IEknbSBub3Qgd2UgbmVlZCBjYXJlIGFib3V0IGl0LgoKVGhhbmtzCgo+Cj4gVGhhbmtzIGluIGFk dmFuY2UsCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpW aXJ0dWFsaXphdGlvbiBtYWlsaW5nIGxpc3QKVmlydHVhbGl6YXRpb25AbGlzdHMubGludXgtZm91 bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3JnL21haWxtYW4vbGlz dGluZm8vdmlydHVhbGl6YXRpb24=