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d="scan'208";a="11441874" From: Ian Jackson To: Date: Fri, 17 Jan 2020 14:47:26 +0000 Message-ID: <20200117144726.582-11-ian.jackson@eu.citrix.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20200117144726.582-1-ian.jackson@eu.citrix.com> References: <20200117144726.582-1-ian.jackson@eu.citrix.com> MIME-Version: 1.0 Subject: [Xen-devel] [PATCH v3 10/10] libxl: event: Move poller pipe emptying to the end of afterpoll 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: Anthony PERARD , Ian Jackson , George Dunlap , Wei Liu Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" VGhpcyBzZWVtcyBuZWF0ZXIuICBJdCBkb2Vzbid0IGhhdmUgYW55IHNpZ25pZmljYW50IGVmZmVj dCBiZWNhdXNlOgoKVGhlIHBvbGxlciBmZCB3b3VsZG4ndCBiZSBlbXB0aWVkIGJ5IHRpbWVfb2Nj dXJzLiAgSXQgd291bGQgb25seSBiZQp3b2tlbiBieSB0aW1lX29jY3VycyBhcyBhIHJlc3VsdCBv ZiBhbiBhbyBjb21wbGV0aW5nLCBvciBieQpsaWJ4bF9fZWdjX2FvX2NsZWFudXBfMV9iYXRvbi4g IEJ1dCAuLi4xX2JhdG9uIHdvbid0IGJlIGNhbGxlZCBpbgpiZXR3ZWVuIChmb3Igb25lIHRoaW5n LCB0aGlzIHdvdWxkIHZpb2xhdGUgdGhlIHJ1bGUgb2Ygbm90IHN0aWxsCmhhdmluZyB0aGUgYWN0 aXZlIGNhbGxlciB3aGVuIC4uLjFfYmF0b24gaXMgY2FsbGVkKS4KCldoaWxlIGRpc2N1c3Npbmcg dGhpcyBwYXRjaCwgSSBub3RpY2VkIHRoYXQgdGhlcmUgaXMgYSBwb3NzaWJpbGl0eSAoaW4KbGli eGwgaW4gZ2VuZXJhbCkgdGhhdCBwb2xsZXJfcHV0IG1pZ2h0IGJlIGNhbGxlZCBvbiBhIHdva2Vu IHBvbGxlci4KSXQgd291bGQgcHJvYmFibHkgYmUgc2Vuc2libGUgYXQgc29tZSBwb2ludCB0byBt YWtlIHBvbGxlcl9nZXQgZW1wdHkKdGhlIHBpcGUsIGF0IGxlYXN0IGlmIHRoZSBwaXBlX25vbmVt cHR5IGZsYWcgaXMgc2V0LgoKU2lnbmVkLW9mZi1ieTogSWFuIEphY2tzb24gPGlhbi5qYWNrc29u QGV1LmNpdHJpeC5jb20+ClRlc3RlZC1ieTogR2VvcmdlIER1bmxhcCA8Z2VvcmdlLmR1bmxhcEBj aXRyaXguY29tPgpSZXZpZXdlZC1ieTogR2VvcmdlIER1bmxhcCA8Z2VvcmdlLmR1bmxhcEBjaXRy aXguY29tPgotLS0KdjM6IENvbXBsZXRlbHkgcmV2aXNlZCBjb21taXQgbWVzc2FnZTsgbm93IHdl IHRoaW5rIHRoaXMgaXMganVzdAogICAgY2xlYW51cC4KLS0tCiB0b29scy9saWJ4bC9saWJ4bF9l dmVudC5jIHwgMTIgKysrKysrLS0tLS0tCiAxIGZpbGUgY2hhbmdlZCwgNiBpbnNlcnRpb25zKCsp LCA2IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL3Rvb2xzL2xpYnhsL2xpYnhsX2V2ZW50LmMg Yi90b29scy9saWJ4bC9saWJ4bF9ldmVudC5jCmluZGV4IDVmNmE2MDdkODAuLjdjNTM4N2U5NGYg MTAwNjQ0Ci0tLSBhL3Rvb2xzL2xpYnhsL2xpYnhsX2V2ZW50LmMKKysrIGIvdG9vbHMvbGlieGwv bGlieGxfZXZlbnQuYwpAQCAtMTQ1MywxMiArMTQ1Myw2IEBAIHN0YXRpYyB2b2lkIGFmdGVycG9s bF9pbnRlcm5hbChsaWJ4bF9fZWdjICplZ2MsIGxpYnhsX19wb2xsZXIgKnBvbGxlciwKICAgICAg ICAgZmRfb2NjdXJzKGVnYywgZWZkLCByZXZlbnRzKTsKICAgICB9CiAKLSAgICBpZiAoYWZ0ZXJw b2xsX2NoZWNrX2ZkKHBvbGxlcixmZHMsbmZkcywgcG9sbGVyLT53YWtldXBfcGlwZVswXSxQT0xM SU4pKSB7Ci0gICAgICAgIHBvbGxlci0+cGlwZV9ub25lbXB0eSA9IDA7Ci0gICAgICAgIGludCBl ID0gbGlieGxfX3NlbGZfcGlwZV9lYXRhbGwocG9sbGVyLT53YWtldXBfcGlwZVswXSk7Ci0gICAg ICAgIGlmIChlKSBMSUJYTF9fRVZFTlRfRElTQVNURVIoZ2MsICJyZWFkIHdha2V1cCIsIGUsIDAp OwotICAgIH0KLQogICAgIGZvciAoOzspIHsKICAgICAgICAgbGlieGxfX2V2X3RpbWUgKmV0aW1l ID0gTElCWExfVEFJTFFfRklSU1QoJkNUWC0+ZXRpbWVzKTsKICAgICAgICAgaWYgKCFldGltZSkK QEAgLTE0NzMsNiArMTQ2NywxMiBAQCBzdGF0aWMgdm9pZCBhZnRlcnBvbGxfaW50ZXJuYWwobGli eGxfX2VnYyAqZWdjLCBsaWJ4bF9fcG9sbGVyICpwb2xsZXIsCiAKICAgICAgICAgdGltZV9vY2N1 cnMoZWdjLCBldGltZSwgRVJST1JfVElNRURPVVQpOwogICAgIH0KKworICAgIGlmIChhZnRlcnBv bGxfY2hlY2tfZmQocG9sbGVyLGZkcyxuZmRzLCBwb2xsZXItPndha2V1cF9waXBlWzBdLFBPTExJ TikpIHsKKyAgICAgICAgcG9sbGVyLT5waXBlX25vbmVtcHR5ID0gMDsKKyAgICAgICAgaW50IGUg PSBsaWJ4bF9fc2VsZl9waXBlX2VhdGFsbChwb2xsZXItPndha2V1cF9waXBlWzBdKTsKKyAgICAg ICAgaWYgKGUpIExJQlhMX19FVkVOVF9ESVNBU1RFUihnYywgInJlYWQgd2FrZXVwIiwgZSwgMCk7 CisgICAgfQogfQogCiB2b2lkIGxpYnhsX29zZXZlbnRfYWZ0ZXJwb2xsKGxpYnhsX2N0eCAqY3R4 LCBpbnQgbmZkcywgY29uc3Qgc3RydWN0IHBvbGxmZCAqZmRzLAotLSAKMi4xMS4wCgoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxp bmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5w cm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==