From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: Re: [PATCH v3 02/12] xenstore: call add_change_node() directly when writing node Date: Sat, 12 Nov 2016 15:10:43 +0000 Message-ID: <20161112151043.GE23528@citrix.com> References: <1478851210-6251-1-git-send-email-jgross@suse.com> <1478851210-6251-3-git-send-email-jgross@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <1478851210-6251-3-git-send-email-jgross@suse.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Juergen Gross Cc: tim@xen.org, sstabellini@kernel.org, wei.liu2@citrix.com, George.Dunlap@eu.citrix.com, andrew.cooper3@citrix.com, ian.jackson@eu.citrix.com, xen-devel@lists.xen.org, jbeulich@suse.com List-Id: xen-devel@lists.xenproject.org T24gRnJpLCBOb3YgMTEsIDIwMTYgYXQgMDk6MDA6MDBBTSArMDEwMCwgSnVlcmdlbiBHcm9zcyB3 cm90ZToKPiBJbnN0ZWFkIG9mIGNhbGxpbmcgYWRkX2NoYW5nZV9ub2RlKCkgYXQgcGxhY2VzIHdo ZXJlIHdyaXRlX25vZGUoKSBpcwo+IGNhbGxlZCwgZG8gdGhhdCBpbnNpZGUgd3JpdGVfbm9kZSgp Lgo+IAo+IFNpZ25lZC1vZmYtYnk6IEp1ZXJnZW4gR3Jvc3MgPGpncm9zc0BzdXNlLmNvbT4KCgpU aGVyZSAgc2VlbXMgdG8gYmUgYSBzdWJ0bGUgY2hhbmdlIGluIGJlaGF2aW91ciAtLSBwcmV2aW91 c2x5IGluCmNyZWF0ZV9ub2RlLCB0aGVyZSBpcyBubyBhZGRfY2huYWdlX25vZGUgY2FsbGVkLiBO b3cgaXQgaGFzLgoKPiAtLS0KPiAgdG9vbHMveGVuc3RvcmUveGVuc3RvcmVkX2NvcmUuYyB8IDcg KysrLS0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCspLCA0IGRlbGV0aW9ucygt KQo+IAo+IGRpZmYgLS1naXQgYS90b29scy94ZW5zdG9yZS94ZW5zdG9yZWRfY29yZS5jIGIvdG9v bHMveGVuc3RvcmUveGVuc3RvcmVkX2NvcmUuYwo+IGluZGV4IGRlMWE5YjQuLjEzNTQzODcgMTAw NjQ0Cj4gLS0tIGEvdG9vbHMveGVuc3RvcmUveGVuc3RvcmVkX2NvcmUuYwo+ICsrKyBiL3Rvb2xz L3hlbnN0b3JlL3hlbnN0b3JlZF9jb3JlLmMKPiBAQCAtNDU2LDcgKzQ1Niw3IEBAIHN0YXRpYyBz dHJ1Y3Qgbm9kZSAqcmVhZF9ub2RlKHN0cnVjdCBjb25uZWN0aW9uICpjb25uLCBjb25zdCB2b2lk ICpjdHgsCj4gIAlyZXR1cm4gbm9kZTsKPiAgfQo+ICAKPiAtc3RhdGljIGJvb2wgd3JpdGVfbm9k ZShzdHJ1Y3QgY29ubmVjdGlvbiAqY29ubiwgY29uc3Qgc3RydWN0IG5vZGUgKm5vZGUpCj4gK3N0 YXRpYyBib29sIHdyaXRlX25vZGUoc3RydWN0IGNvbm5lY3Rpb24gKmNvbm4sIHN0cnVjdCBub2Rl ICpub2RlKQo+ICB7Cj4gIAkvKgo+ICAJICogY29ubiB3aWxsIGJlIG51bGwgd2hlbiB0aGlzIGlz IGNhbGxlZCBmcm9tIG1hbnVhbF9ub2RlLgo+IEBAIC00NzYsNiArNDc2LDggQEAgc3RhdGljIGJv b2wgd3JpdGVfbm9kZShzdHJ1Y3QgY29ubmVjdGlvbiAqY29ubiwgY29uc3Qgc3RydWN0IG5vZGUg Km5vZGUpCj4gIAlpZiAoZG9tYWluX2lzX3VucHJpdmlsZWdlZChjb25uKSAmJiBkYXRhLmRzaXpl ID49IHF1b3RhX21heF9lbnRyeV9zaXplKQo+ICAJCWdvdG8gZXJyb3I7Cj4gIAo+ICsJYWRkX2No YW5nZV9ub2RlKGNvbm4sIG5vZGUsIGZhbHNlKTsKPiArCgpBbm90aGVyIHN1YnRsZSBjaGFuZ2Ug b2YgYmVoYXZpb3VyIC0tIHRoZXJlIGlzIGFub3RoZXIgZ290byBlcnJvciBhZnRlcgp0aGlzLCB3 aGljaCBtZWFucyB0aGUgY2hhbmdlIGlzIG5vdCBtYWRlIGFzIGZhciBhcyB0aGUgY2FsbGVyIGlz CmNvbmNlcm5lZCBpZiB0aGF0IHBhdGggaXMgdGFrZW4uCgpOb3Qgc2F5aW5nIHRoYXQgYWxsIHRo ZXNlIGNoYW5nZXMgYXJlIHdyb25nLCBidXQgdGhleSBhcmUgd29ydGggcG9pbnRpbmcKb3V0IGFu ZCBwcm9iYWJseSB3ZSBzaG91bGQgcHV0IHRoZSByZWFzb25pbmcgaW50byBjb21taXQgbWVzc2Fn ZS4KCj4gIAlkYXRhLmRwdHIgPSB0YWxsb2Nfc2l6ZShub2RlLCBkYXRhLmRzaXplKTsKPiAgCSgo dWludDMyX3QgKilkYXRhLmRwdHIpWzBdID0gbm9kZS0+bnVtX3Blcm1zOwo+ICAJKCh1aW50MzJf dCAqKWRhdGEuZHB0cilbMV0gPSBub2RlLT5kYXRhbGVuOwo+IEBAIC05NzYsNyArOTc4LDYgQEAg c3RhdGljIHZvaWQgZG9fd3JpdGUoc3RydWN0IGNvbm5lY3Rpb24gKmNvbm4sIHN0cnVjdCBidWZm ZXJlZF9kYXRhICppbikKPiAgCQl9Cj4gIAl9Cj4gIAo+IC0JYWRkX2NoYW5nZV9ub2RlKGNvbm4s IG5vZGUsIGZhbHNlKTsKPiAgCWZpcmVfd2F0Y2hlcyhjb25uLCBpbiwgbmFtZSwgZmFsc2UpOwo+ ICAJc2VuZF9hY2soY29ubiwgWFNfV1JJVEUpOwo+ICB9Cj4gQEAgLTEwMDcsNyArMTAwOCw2IEBA IHN0YXRpYyB2b2lkIGRvX21rZGlyKHN0cnVjdCBjb25uZWN0aW9uICpjb25uLCBzdHJ1Y3QgYnVm ZmVyZWRfZGF0YSAqaW4pCj4gIAkJCXNlbmRfZXJyb3IoY29ubiwgZXJybm8pOwo+ICAJCQlyZXR1 cm47Cj4gIAkJfQo+IC0JCWFkZF9jaGFuZ2Vfbm9kZShjb25uLCBub2RlLCBmYWxzZSk7Cj4gIAkJ ZmlyZV93YXRjaGVzKGNvbm4sIGluLCBuYW1lLCBmYWxzZSk7Cj4gIAl9Cj4gIAlzZW5kX2Fjayhj b25uLCBYU19NS0RJUik7Cj4gQEAgLTEyMDksNyArMTIwOSw2IEBAIHN0YXRpYyB2b2lkIGRvX3Nl dF9wZXJtcyhzdHJ1Y3QgY29ubmVjdGlvbiAqY29ubiwgc3RydWN0IGJ1ZmZlcmVkX2RhdGEgKmlu KQo+ICAJCXJldHVybjsKPiAgCX0KPiAgCj4gLQlhZGRfY2hhbmdlX25vZGUoY29ubiwgbm9kZSwg ZmFsc2UpOwo+ICAJZmlyZV93YXRjaGVzKGNvbm4sIGluLCBuYW1lLCBmYWxzZSk7Cj4gIAlzZW5k X2Fjayhjb25uLCBYU19TRVRfUEVSTVMpOwo+ICB9Cj4gLS0gCj4gMi42LjYKPiAKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5n IGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1k ZXZlbAo=