From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony Liguori Subject: Re: [PATCH] Fix QEMU vcpu thread race with apic_reset Date: Sat, 26 Apr 2008 12:56:46 -0500 Message-ID: <48136CDE.4070109@codemonkey.ws> References: <1209187574-21081-1-git-send-email-ryanh@us.ibm.com> <48136083.6090906@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: kvm-devel@lists.sourceforge.net, Avi Kivity To: Ulrich Drepper Return-path: In-Reply-To: <48136083.6090906@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces@lists.sourceforge.net Errors-To: kvm-devel-bounces@lists.sourceforge.net List-Id: kvm.vger.kernel.org VWxyaWNoIERyZXBwZXIgd3JvdGU6Cj4gLS0tLS1CRUdJTiBQR1AgU0lHTkVEIE1FU1NBR0UtLS0t LQo+IEhhc2g6IFNIQTEKPgo+IFJ5YW4gSGFycGVyIHdyb3RlOgo+ICAgCj4+IEBAIC0zODgsOSAr Mzk1LDEwIEBAIHN0YXRpYyB2b2lkIGt2bV9hZGRfc2lnbmFsKHN0cnVjdCBxZW11X2t2bV9zaWdu YWxfdGFibGUgKnNpZ3RhYiwgaW50IHNpZ251bSkKPj4gIAo+PiAgdm9pZCBrdm1faW5pdF9uZXdf YXAoaW50IGNwdSwgQ1BVU3RhdGUgKmVudikKPj4gIHsKPj4gKyAgICBwdGhyZWFkX211dGV4X2xv Y2soJnZjcHVfbXV0ZXgpOwo+PiAgICAgIHB0aHJlYWRfY3JlYXRlKCZ2Y3B1X2luZm9bY3B1XS50 aHJlYWQsIE5VTEwsIGFwX21haW5fbG9vcCwgZW52KTsKPj4gLSAgICAvKiBGSVhNRTogd2FpdCBm b3IgdGhyZWFkIHRvIHNwaW4gdXAgKi8KPj4gLSAgICB1c2xlZXAoMjAwKTsKPj4gKyAgICBwdGhy ZWFkX2NvbmRfd2FpdCgmcWVtdV92Y3B1dXBfY29uZCwgJnZjcHVfbXV0ZXgpOwo+PiArICAgIHB0 aHJlYWRfbXV0ZXhfdW5sb2NrKCZ2Y3B1X211dGV4KTsKPj4gICAgIAo+Cj4gQW5kIHNvbWV0aGlu ZyBpcyB2ZXJ5IHdyb25nIGhlcmUuICBUaGUgcGF0dGVybiBmb3IgdXNpbmcgYSBjb25kdmFyIGlz Cj4KPiAxIHRha2UgbXV0ZXgKPgo+IDIgY2hlY2sgY29uZGl0aW9uCj4KPiAzIGlmIGNvbmRpdGlv biBpcyBub3QgZnVsZmlsbGVkCj4gM2EgICBjYWxsIGNvbmRfd2FpdAo+IDNiICAgd2hlbiByZXR1 cm5pbmcsIGdvIGJhY2sgdG8gc3RlcCAyCj4KPiA0IHVubG9jayBtdXRleAo+Cj4KPiBBbnl0aGlu ZyBlbHNlIGlzIGJ1Z2d5Lgo+Cj4gU28sIGVpdGhlciB5b3VyIGNvbmR2YXIgdXNlIGlzIHdyb25n IG9yIHlvdSBkb24ndCByZWFsbHkgd2FudCBhIGNvbmR2YXIKPiBpbiB0aGUgZmlyc3QgcGxhY2Uu ICBJIGhhdmVuJ3QgY2hlY2tlZCB0aGUgY29kZS4KPiAgIAoKQSBmbGFnIGlzIG5lZWRlZCBpbiB0 aGUgdmNwdSBzdHJ1Y3R1cmUgdGhhdCBpbmRpY2F0ZXMgd2hldGhlciB0aGUgdmNwdSAKc3B1biB1 cCBvciBub3QuICBUaGlzIGlzIHdoYXQgdGhlIHdoaWxlICgpIGNvbmRpdGlvbiBzaG91bGQgYmUu ICBUaGlzIGlzIApuZWVkZWQgYXMgdGhlIHRocmVhZCBtYXkgc3BpbiB1cCBiZWZvcmUgaXQgZ2V0 cyB0byB0aGUgCnB0aHJlYWRfY29uZF93YWl0KCkgaW4gd2hpY2ggY2FzZSB0aGUgc2lnbmFsIGhh cHBlbnMgd2hlbiBub29uZSBpcyAKd2FpdGluZyBvbiBpdC4gIFRoZSBvdGhlciByZWFzb24gYSB3 aGlsZSAoKSBpcyB1c3VhbGx5IG5lZWRlZCBpcyB0aGF0IApjb25kX3NpZ25hbCBtYXkgbm90IHdh a2UgdXAgdGhlIHJpZ2h0IHRocmVhZCBzbyBpdCdzIG5lY2Vzc2FyeSB0byBjaGVjayAKd2hldGhl ciB5b3UgcmVhbGx5IGhhdmUgc29tZXRoaW5nIHRvIGRvLiAgTm90IHJlYWxseSBhIHByb2JsZW0g aGVyZSBidXQgCnRoZSBmb3JtZXIgcmFjZSBpcy4KCkEgY29uZHZhciBpcyBkZWZpbml0ZWx5IHRo ZSByaWdodCB0aGluZyB0byB1c2UgaGVyZS4KClJlZ2FyZHMsCgpBbnRob255IExpZ3VvcmkKCj4g LSAtLQo+IOKepyBVbHJpY2ggRHJlcHBlciDinqcgUmVkIEhhdCwgSW5jLiDinqcgNDQ0IENhc3Ry byBTdCDinqcgTW91bnRhaW4gVmlldywgQ0Eg4p2WCj4gLS0tLS1CRUdJTiBQR1AgU0lHTkFUVVJF LS0tLS0KPiBWZXJzaW9uOiBHbnVQRyB2MS40LjcgKEdOVS9MaW51eCkKPgo+IGlEOERCUUZJRTJD RDJpakNPbm4vUkhRUkFzNGtBSjQwa2JXak5KQXpqMmdHZGJvL3NTeFpUeDViMEFDZ2xiaXMKPiBr dzdTVDRlSks5Q1hoTmJqS3BoTnNVbz0KPiA9SVNhQwo+IC0tLS0tRU5EIFBHUCBTSUdOQVRVUkUt LS0tLQo+Cj4gLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQo+IFRoaXMgU0YubmV0IGVtYWlsIGlzIHNwb25zb3Jl ZCBieSB0aGUgMjAwOCBKYXZhT25lKFNNKSBDb25mZXJlbmNlIAo+IERvbid0IG1pc3MgdGhpcyB5 ZWFyJ3MgZXhjaXRpbmcgZXZlbnQuIFRoZXJlJ3Mgc3RpbGwgdGltZSB0byBzYXZlICQxMDAuIAo+ IFVzZSBwcmlvcml0eSBjb2RlIEo4VEwyRDIuIAo+IGh0dHA6Ly9hZC5kb3VibGVjbGljay5uZXQv Y2xrOzE5ODc1NzY3MzsxMzUwMzAzODtwP2h0dHA6Ly9qYXZhLnN1bi5jb20vamF2YW9uZQo+IF9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4ga3ZtLWRldmVs IG1haWxpbmcgbGlzdAo+IGt2bS1kZXZlbEBsaXN0cy5zb3VyY2Vmb3JnZS5uZXQKPiBodHRwczov L2xpc3RzLnNvdXJjZWZvcmdlLm5ldC9saXN0cy9saXN0aW5mby9rdm0tZGV2ZWwKPiAgIAoKCi0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0KVGhpcyBTRi5uZXQgZW1haWwgaXMgc3BvbnNvcmVkIGJ5IHRoZSAyMDA4 IEphdmFPbmUoU00pIENvbmZlcmVuY2UgCkRvbid0IG1pc3MgdGhpcyB5ZWFyJ3MgZXhjaXRpbmcg ZXZlbnQuIFRoZXJlJ3Mgc3RpbGwgdGltZSB0byBzYXZlICQxMDAuIApVc2UgcHJpb3JpdHkgY29k ZSBKOFRMMkQyLiAKaHR0cDovL2FkLmRvdWJsZWNsaWNrLm5ldC9jbGs7MTk4NzU3NjczOzEzNTAz MDM4O3A/aHR0cDovL2phdmEuc3VuLmNvbS9qYXZhb25lCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCmt2bS1kZXZlbCBtYWlsaW5nIGxpc3QKa3ZtLWRldmVs QGxpc3RzLnNvdXJjZWZvcmdlLm5ldApodHRwczovL2xpc3RzLnNvdXJjZWZvcmdlLm5ldC9saXN0 cy9saXN0aW5mby9rdm0tZGV2ZWwK