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Tue, 11 Jun 2019 06:29:49 -0700 (PDT) To: chenbaodong , xen-devel@lists.xenproject.org References: <77b7d94b-35c8-6b28-075e-7096c5356373@mxnavi.com> From: Julien Grall Message-ID: <70763d79-0259-a340-ce9b-477d308629e4@arm.com> Date: Tue, 11 Jun 2019 14:29:48 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <77b7d94b-35c8-6b28-075e-7096c5356373@mxnavi.com> Content-Language: en-US Subject: Re: [Xen-devel] [PATCH] xen/arm: domain: remove redundant memset for arch's saved_context when creating vcpu 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 Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" CgpPbiAxMS8wNi8yMDE5IDAxOjA5LCBjaGVuYmFvZG9uZyB3cm90ZToKPiAKPiBPbiA2LzExLzE5 IDA0OjExLCBKdWxpZW4gR3JhbGwgd3JvdGU6Cj4+IEhpLAo+Pgo+PiBUaGFuayB5b3UgZm9yIHRo ZSBwYXRjaC4gVGhlIHRpdGxlIHNob3VsZCBiZSBhdCBtYXggODAgY2hhcmFjdGVycy4gU28gaG93 IAo+PiBhYm91dCB0aGUgZm9sbG93aW5nIHRpdGxlPwo+Pgo+PiAieGVuL2FybTogZG9tYWluOiBS ZW1vdmUgcmVkdW5kYW50IG1lbXNldCBmb3Igdi0+YXJjaC5zYXZlZF9jb250ZXh0Igo+IE1heCA4 MCBjaGFyYWN0ZXJzLCByb2dlciB0aGF0Lgo+Pgo+PiBPbiA2LzEwLzE5IDY6MTUgQU0sIEJhb2Rv bmcgQ2hlbiB3cm90ZToKPj4+IEFscmVhZHkgZG9uZSBieSBjbGVhcl9wYWdlKCkgaW4gYWxsb2Nf dmNwdV9zdHJ1Y3QoKQo+Pgo+PiBQbGVhc2UgdHJ5IHRvIG1ha2Ugc2VudGVuY2UgaW4gdGhlIGNv bW1pdCBtZXNzYWdlLiBGb3IgaGVyZSBJIHdvdWxkIHN1Z2dlc3Q6Cj4+Cj4+ICJ2LT5hcmNoLnNh dmVkX2NvbnRleHQgaXMgYWxyZWFkeSB6ZXJvZWQgaW4gYWxsb2NfdmNwdV9zdHJ1Y3QoKSBieSAK Pj4gY2xlYXJfcGFnZSgpLiBTbyB0aGVyZSBhcmUgbm8gbmVlZCB0byBtZW1zZXQgaXQgYWdhaW4g aW4gYXJjaF92Y3B1X2NyZWF0ZSgpLiIKPj4KPj4gSWYgeW91IGFyZSBoYXBweSB3aXRoIHRoZSB0 d28gY2hhbmdlcywgSSBjYW4gZG8gdGhlbSBvbiBjb21taXQuCj4gVGhhbmtzLCBwbGVhc2UuCgpD b21taXR0ZWQsIHRoYW5rIHlvdSEKCkNoZWVycywKCj4+Cj4+IENoZWVycywKPj4KPj4+Cj4+PiBT aWduZWQtb2ZmLWJ5OiBCYW9kb25nIENoZW4gPGNoZW5iYW9kb25nQG14bmF2aS5jb20+Cj4+PiAt LS0KPj4+IMKgIHhlbi9hcmNoL2FybS9kb21haW4uYyB8IDEgLQo+Pj4gwqAgMSBmaWxlIGNoYW5n ZWQsIDEgZGVsZXRpb24oLSkKPj4+Cj4+PiBkaWZmIC0tZ2l0IGEveGVuL2FyY2gvYXJtL2RvbWFp bi5jIGIveGVuL2FyY2gvYXJtL2RvbWFpbi5jCj4+PiBpbmRleCBmZjMzMGIzLi5hZDFiMTA2IDEw MDY0NAo+Pj4gLS0tIGEveGVuL2FyY2gvYXJtL2RvbWFpbi5jCj4+PiArKysgYi94ZW4vYXJjaC9h cm0vZG9tYWluLmMKPj4+IEBAIC01NTcsNyArNTU3LDYgQEAgaW50IGFyY2hfdmNwdV9jcmVhdGUo c3RydWN0IHZjcHUgKnYpCj4+PiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIC0gc2l6 ZW9mKHN0cnVjdCBjcHVfaW5mbykpOwo+Pj4gwqDCoMKgwqDCoCBtZW1zZXQodi0+YXJjaC5jcHVf aW5mbywgMCwgc2l6ZW9mKCp2LT5hcmNoLmNwdV9pbmZvKSk7Cj4+PiDCoCAtwqDCoMKgIG1lbXNl dCgmdi0+YXJjaC5zYXZlZF9jb250ZXh0LCAwLCBzaXplb2Yodi0+YXJjaC5zYXZlZF9jb250ZXh0 KSk7Cj4+PiDCoMKgwqDCoMKgIHYtPmFyY2guc2F2ZWRfY29udGV4dC5zcCA9IChyZWdpc3Rlcl90 KXYtPmFyY2guY3B1X2luZm87Cj4+PiDCoMKgwqDCoMKgIHYtPmFyY2guc2F2ZWRfY29udGV4dC5w YyA9IChyZWdpc3Rlcl90KWNvbnRpbnVlX25ld192Y3B1Owo+Pj4KPj4KCi0tIApKdWxpZW4gR3Jh bGwKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1k ZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8v bGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=