From mboxrd@z Thu Jan 1 00:00:00 1970 From: Juergen Gross Subject: [PATCH v2 2/2] xen: add update indicator to vcpu_runstate_info Date: Wed, 15 Jun 2016 13:34:39 +0200 Message-ID: <1465990479-20657-3-git-send-email-jgross@suse.com> References: <1465990479-20657-1-git-send-email-jgross@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1465990479-20657-1-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: xen-devel@lists.xen.org Cc: Juergen Gross , sstabellini@kernel.org, wei.liu2@citrix.com, George.Dunlap@eu.citrix.com, andrew.cooper3@citrix.com, ian.jackson@eu.citrix.com, tim@xen.org, julien.grall@arm.com, jbeulich@suse.com List-Id: xen-devel@lists.xenproject.org SW4gb3JkZXIgdG8gc3VwcG9ydCByZWFkaW5nIGFub3RoZXIgdmNwdSdzIG1hcHBlZCB2Y3B1X3J1 bnN0YXRlX2luZm8KYW4gaW5kaWNhdG9yIGZvciBhbiBvY2N1cnJpbmcgdXBkYXRlIG9mIHRoZSBy dW5zdGF0ZSBpbmZvcm1hdGlvbiBpcwpuZWVkZWQuCgpBZGQgdGhlIHBvc3NpYmlsaXR5IHRvIGFj dGl2YXRlIHNldHRpbmcgdGhpcyBpbmRpY2F0b3IgaW4gdGhlIGhpZ2hlc3QKYml0IG9mIHN0YXRl X2VudHJ5X3RpbWUgdmlhIGEgdm1fYXNzaXN0IGh5cGVyY2FsbC4gV2hlbiBhY3RpdmF0ZWQgdGhl CnVwZGF0ZSBpbmRpY2F0b3Igd2lsbCBiZSBzZXQgYmVmb3JlIHRoZSBydW5zdGF0ZSBpbmZvcm1h dGlvbiBpcwptb2RpZmllZCBpbiBndWVzdCBtZW1vcnkgYW5kIGl0IHdpbGwgYmUgcmVzZXQgYWZ0 ZXIgbW9kaWZpY2F0aW9uIGlzCmRvbmUuIEFzIHN0YXRlX2VudHJ5X3RpbWUgaXMgZ3VhcmFudGVl ZCB0byBiZSBkaWZmZXJlbnQgYWZ0ZXIgZWFjaAp1cGRhdGUgdGhlIGd1ZXN0IGNhbiBkZXRlY3Qg YW55IHVwZGF0ZSAoZWl0aGVyIGluIHByb2dyZXNzIG9yIHdoaWxlCnJlYWRpbmcgdGhlIHJ1bnN0 YXRlIGRhdGEpIGJ5IGNvbXBhcmluZyBzdGF0ZV9lbnRyeV90aW1lIGJlZm9yZSBhbmQKYWZ0ZXIg cmVhZGluZyBydW5zdGF0ZSBkYXRhOiBpbiBjYXNlIHRoZSB2YWx1ZXMgZGlmZmVyIG9yIHRoZSB1 cGRhdGUKaW5kaWNhdG9yIHdhcyBzZXQgdGhlIGRhdGEgbWlnaHQgYmUgaW5jb25zaXN0ZW50IGFu ZCBzaG91bGQgYmUgcmVyZWFkLgoKU2lnbmVkLW9mZi1ieTogSnVlcmdlbiBHcm9zcyA8amdyb3Nz QHN1c2UuY29tPgotLS0KVjI6IHNtcF93bWIoKSBpbnN0ZWFkIG9mIHdtYigpIGFzIHJlcXVlc3Rl ZCBieSBBbmRyZXcgQ29vcGVyCiAgICB1c2Ugc2l6ZW9mKCkgYXMgcmVxdWVzdGVkIGJ5IEphbiBC ZXVsaWNoCiAgICBlbGltaW5hdGUgbmV3IHZhcmlhYmxlIHVwZGF0ZV9mbGFnIGFzIHJlcXVlc3Rl ZCBieSBKYW4gQmV1bGljaAotLS0KIHhlbi9hcmNoL2FybS9kb21haW4uYyAgICAgICAgfCAyMSAr KysrKysrKysrKysrKysrKysrKysKIHhlbi9hcmNoL3g4Ni9kb21haW4uYyAgICAgICAgfCAzMCAr KysrKysrKysrKysrKysrKysrKysrKysrKysrKysKIHhlbi9pbmNsdWRlL2FzbS1hcm0vY29uZmln LmggfCAgMiArLQogeGVuL2luY2x1ZGUvYXNtLXg4Ni9jb25maWcuaCB8ICAxICsKIHhlbi9pbmNs dWRlL3B1YmxpYy92Y3B1LmggICAgfCAgNiArKysrKysKIHhlbi9pbmNsdWRlL3B1YmxpYy94ZW4u aCAgICAgfCAgNyArKysrKysrCiA2IGZpbGVzIGNoYW5nZWQsIDY2IGluc2VydGlvbnMoKyksIDEg ZGVsZXRpb24oLSkKCmRpZmYgLS1naXQgYS94ZW4vYXJjaC9hcm0vZG9tYWluLmMgYi94ZW4vYXJj aC9hcm0vZG9tYWluLmMKaW5kZXggMTM2NWI0YS4uYWQ1MGIxOSAxMDA2NDQKLS0tIGEveGVuL2Fy Y2gvYXJtL2RvbWFpbi5jCisrKyBiL3hlbi9hcmNoL2FybS9kb21haW4uYwpAQCAtMjM5LDEwICsy MzksMzEgQEAgc3RhdGljIHZvaWQgY3R4dF9zd2l0Y2hfdG8oc3RydWN0IHZjcHUgKm4pCiAvKiBV cGRhdGUgcGVyLVZDUFUgZ3Vlc3QgcnVuc3RhdGUgc2hhcmVkIG1lbW9yeSBhcmVhIChpZiByZWdp c3RlcmVkKS4gKi8KIHN0YXRpYyB2b2lkIHVwZGF0ZV9ydW5zdGF0ZV9hcmVhKHN0cnVjdCB2Y3B1 ICp2KQogeworICAgIHZvaWQgX191c2VyICpndWVzdF9oYW5kbGUgPSBOVUxMOworICAgIHVuc2ln bmVkIG9mZiA9IDA7CisKICAgICBpZiAoIGd1ZXN0X2hhbmRsZV9pc19udWxsKHJ1bnN0YXRlX2d1 ZXN0KHYpKSApCiAgICAgICAgIHJldHVybjsKIAorICAgIGlmICggVk1fQVNTSVNUKHYtPmRvbWFp biwgcnVuc3RhdGVfdXBkYXRlX2ZsYWcpICkKKyAgICB7CisgICAgICAgIG9mZiA9IG9mZnNldG9m KHN0cnVjdCB2Y3B1X3J1bnN0YXRlX2luZm8sIHN0YXRlX2VudHJ5X3RpbWUpICsKKyAgICAgICAg ICAgICAgc2l6ZW9mKHYtPnJ1bnN0YXRlLnN0YXRlX2VudHJ5X3RpbWUpIC0gMTsKKyAgICAgICAg Z3Vlc3RfaGFuZGxlID0gdi0+cnVuc3RhdGVfZ3Vlc3QucDsKKyAgICAgICAgZ3Vlc3RfaGFuZGxl ICs9IG9mZjsKKyAgICAgICAgdi0+cnVuc3RhdGUuc3RhdGVfZW50cnlfdGltZSB8PSBYRU5fUlVO U1RBVEVfVVBEQVRFOworICAgICAgICBfX3Jhd19jb3B5X3RvX2d1ZXN0KGd1ZXN0X2hhbmRsZSwg KHZvaWQgKikmdi0+cnVuc3RhdGUgKyBvZmYsIDEpOworICAgICAgICBzbXBfd21iKCk7CisgICAg fQorCiAgICAgX19jb3B5X3RvX2d1ZXN0KHJ1bnN0YXRlX2d1ZXN0KHYpLCAmdi0+cnVuc3RhdGUs IDEpOworCisgICAgaWYgKCBndWVzdF9oYW5kbGUgKQorICAgIHsKKyAgICAgICAgdi0+cnVuc3Rh dGUuc3RhdGVfZW50cnlfdGltZSAmPSB+WEVOX1JVTlNUQVRFX1VQREFURTsKKyAgICAgICAgc21w X3dtYigpOworICAgICAgICBfX3Jhd19jb3B5X3RvX2d1ZXN0KGd1ZXN0X2hhbmRsZSwgKHZvaWQg Kikmdi0+cnVuc3RhdGUgKyBvZmYsIDEpOworICAgIH0KIH0KIAogc3RhdGljIHZvaWQgc2NoZWR1 bGVfdGFpbChzdHJ1Y3QgdmNwdSAqcHJldikKZGlmZiAtLWdpdCBhL3hlbi9hcmNoL3g4Ni9kb21h aW4uYyBiL3hlbi9hcmNoL3g4Ni9kb21haW4uYwppbmRleCA5ODliYzc0Li44ODkwNjYxIDEwMDY0 NAotLS0gYS94ZW4vYXJjaC94ODYvZG9tYWluLmMKKysrIGIveGVuL2FyY2gveDg2L2RvbWFpbi5j CkBAIC0xOTI2LDEyICsxOTI2LDM1IEBAIGJvb2xfdCB1cGRhdGVfcnVuc3RhdGVfYXJlYShzdHJ1 Y3QgdmNwdSAqdikKIHsKICAgICBib29sX3QgcmM7CiAgICAgc21hcF9jaGVja19wb2xpY3lfdCBz bWFwX3BvbGljeTsKKyAgICB2b2lkIF9fdXNlciAqZ3Vlc3RfaGFuZGxlID0gTlVMTDsKKyAgICB1 bnNpZ25lZCBvZmYgPSAwOwogCiAgICAgaWYgKCBndWVzdF9oYW5kbGVfaXNfbnVsbChydW5zdGF0 ZV9ndWVzdCh2KSkgKQogICAgICAgICByZXR1cm4gMTsKIAogICAgIHNtYXBfcG9saWN5ID0gc21h cF9wb2xpY3lfY2hhbmdlKHYsIFNNQVBfQ0hFQ0tfRU5BQkxFRCk7CiAKKyAgICBpZiAoIFZNX0FT U0lTVCh2LT5kb21haW4sIHJ1bnN0YXRlX3VwZGF0ZV9mbGFnKSApCisgICAgeworICAgICAgICBv ZmYgPSBvZmZzZXRvZihzdHJ1Y3QgdmNwdV9ydW5zdGF0ZV9pbmZvLCBzdGF0ZV9lbnRyeV90aW1l KSArCisgICAgICAgICAgICAgIHNpemVvZih2LT5ydW5zdGF0ZS5zdGF0ZV9lbnRyeV90aW1lKSAt IDE7CisgICAgICAgIGlmICggaGFzXzMyYml0X3NoaW5mbyh2LT5kb21haW4pICkKKyAgICAgICAg eworICAgICAgICAgICAgZ3Vlc3RfaGFuZGxlID0gdi0+cnVuc3RhdGVfZ3Vlc3QuY29tcGF0LnA7 CisgICAgICAgICAgICBndWVzdF9oYW5kbGUgKz0KKyAgICAgICAgICAgICAgICBvZmZzZXRvZihz dHJ1Y3QgY29tcGF0X3ZjcHVfcnVuc3RhdGVfaW5mbywgc3RhdGVfZW50cnlfdGltZSkgKworICAg ICAgICAgICAgICAgIHNpemVvZih2LT5ydW5zdGF0ZS5zdGF0ZV9lbnRyeV90aW1lKSAtIDE7Cisg ICAgICAgIH0KKyAgICAgICAgZWxzZQorICAgICAgICB7CisgICAgICAgICAgICBndWVzdF9oYW5k bGUgPSB2LT5ydW5zdGF0ZV9ndWVzdC5uYXRpdmUucDsKKyAgICAgICAgICAgIGd1ZXN0X2hhbmRs ZSArPSBvZmY7CisgICAgICAgIH0KKyAgICAgICAgdi0+cnVuc3RhdGUuc3RhdGVfZW50cnlfdGlt ZSB8PSBYRU5fUlVOU1RBVEVfVVBEQVRFOworICAgICAgICBfX3Jhd19jb3B5X3RvX2d1ZXN0KGd1 ZXN0X2hhbmRsZSwgKHZvaWQgKikmdi0+cnVuc3RhdGUgKyBvZmYsIDEpOworICAgICAgICBzbXBf d21iKCk7CisgICAgfQorCiAgICAgaWYgKCBoYXNfMzJiaXRfc2hpbmZvKHYtPmRvbWFpbikgKQog ICAgIHsKICAgICAgICAgc3RydWN0IGNvbXBhdF92Y3B1X3J1bnN0YXRlX2luZm8gaW5mbzsKQEAg LTE5NDQsNiArMTk2NywxMyBAQCBib29sX3QgdXBkYXRlX3J1bnN0YXRlX2FyZWEoc3RydWN0IHZj cHUgKnYpCiAgICAgICAgIHJjID0gX19jb3B5X3RvX2d1ZXN0KHJ1bnN0YXRlX2d1ZXN0KHYpLCAm di0+cnVuc3RhdGUsIDEpICE9CiAgICAgICAgICAgICAgc2l6ZW9mKHYtPnJ1bnN0YXRlKTsKIAor ICAgIGlmICggZ3Vlc3RfaGFuZGxlICkKKyAgICB7CisgICAgICAgIHYtPnJ1bnN0YXRlLnN0YXRl X2VudHJ5X3RpbWUgJj0gflhFTl9SVU5TVEFURV9VUERBVEU7CisgICAgICAgIHNtcF93bWIoKTsK KyAgICAgICAgX19yYXdfY29weV90b19ndWVzdChndWVzdF9oYW5kbGUsICh2b2lkICopJnYtPnJ1 bnN0YXRlICsgb2ZmLCAxKTsKKyAgICB9CisKICAgICBzbWFwX3BvbGljeV9jaGFuZ2Uodiwgc21h cF9wb2xpY3kpOwogCiAgICAgcmV0dXJuIHJjOwpkaWZmIC0tZ2l0IGEveGVuL2luY2x1ZGUvYXNt LWFybS9jb25maWcuaCBiL3hlbi9pbmNsdWRlL2FzbS1hcm0vY29uZmlnLmgKaW5kZXggNTYzZjQ5 Yi4uY2UzZWRjMiAxMDA2NDQKLS0tIGEveGVuL2luY2x1ZGUvYXNtLWFybS9jb25maWcuaAorKysg Yi94ZW4vaW5jbHVkZS9hc20tYXJtL2NvbmZpZy5oCkBAIC0xOTksNyArMTk5LDcgQEAgZXh0ZXJu IHVuc2lnbmVkIGxvbmcgZnJhbWV0YWJsZV92aXJ0X2VuZDsKICNkZWZpbmUgd2F0Y2hkb2dfZGlz YWJsZSgpICgodm9pZCkwKQogI2RlZmluZSB3YXRjaGRvZ19lbmFibGUoKSAgKCh2b2lkKTApCiAK LSNkZWZpbmUgVk1fQVNTSVNUX1ZBTElEICAgICAgICAgICgwKQorI2RlZmluZSBWTV9BU1NJU1Rf VkFMSUQgICAgICAgICAgKDFVTCA8PCBWTUFTU1RfVFlQRV9ydW5zdGF0ZV91cGRhdGVfZmxhZykK IAogI2VuZGlmIC8qIF9fQVJNX0NPTkZJR19IX18gKi8KIC8qCmRpZmYgLS1naXQgYS94ZW4vaW5j bHVkZS9hc20teDg2L2NvbmZpZy5oIGIveGVuL2luY2x1ZGUvYXNtLXg4Ni9jb25maWcuaAppbmRl eCBjMTAxMjlkLi42ZmQ4NGU3IDEwMDY0NAotLS0gYS94ZW4vaW5jbHVkZS9hc20teDg2L2NvbmZp Zy5oCisrKyBiL3hlbi9pbmNsdWRlL2FzbS14ODYvY29uZmlnLmgKQEAgLTMzMiw2ICszMzIsNyBA QCBleHRlcm4gdW5zaWduZWQgbG9uZyB4ZW5fcGh5c19zdGFydDsKICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAoMVVMIDw8IFZNQVNTVF9UWVBFX3dyaXRhYmxlX3BhZ2V0YWJsZXMp IHwgXAogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICgxVUwgPDwgVk1BU1NUX1RZ UEVfcGFlX2V4dGVuZGVkX2NyMykgICAgfCBcCiAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgKDFVTCA8PCBWTUFTU1RfVFlQRV9hcmNoaXRlY3R1cmFsX2lvcGwpICB8IFwKKyAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAoMVVMIDw8IFZNQVNTVF9UWVBFX3J1bnN0YXRl X3VwZGF0ZV9mbGFnKXwgXAogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICgxVUwg PDwgVk1BU1NUX1RZUEVfbTJwX3N0cmljdCkpCiAjZGVmaW5lIFZNX0FTU0lTVF9WQUxJRCAgICAg ICAgICBOQVRJVkVfVk1fQVNTSVNUX1ZBTElECiAjZGVmaW5lIENPTVBBVF9WTV9BU1NJU1RfVkFM SUQgICAoTkFUSVZFX1ZNX0FTU0lTVF9WQUxJRCAmIFwKZGlmZiAtLWdpdCBhL3hlbi9pbmNsdWRl L3B1YmxpYy92Y3B1LmggYi94ZW4vaW5jbHVkZS9wdWJsaWMvdmNwdS5oCmluZGV4IDY5MmI4N2Eu LjJhYTIzMGQgMTAwNjQ0Ci0tLSBhL3hlbi9pbmNsdWRlL3B1YmxpYy92Y3B1LmgKKysrIGIveGVu L2luY2x1ZGUvcHVibGljL3ZjcHUuaApAQCAtODQsNiArODQsMTIgQEAgc3RydWN0IHZjcHVfcnVu c3RhdGVfaW5mbyB7CiAgICAgLyogV2hlbiB3YXMgY3VycmVudCBzdGF0ZSBlbnRlcmVkIChzeXN0 ZW0gdGltZSwgbnMpPyAqLwogICAgIHVpbnQ2NF90IHN0YXRlX2VudHJ5X3RpbWU7CiAgICAgLyoK KyAgICAgKiBVcGRhdGUgaW5kaWNhdG9yIHNldCBpbiBzdGF0ZV9lbnRyeV90aW1lOgorICAgICAq IFdoZW4gYWN0aXZhdGVkIHZpYSBWTUFTU1RfVFlQRV9ydW5zdGF0ZV91cGRhdGVfZmxhZywgc2V0 IGR1cmluZworICAgICAqIHVwZGF0ZXMgaW4gZ3Vlc3QgbWVtb3J5IG1hcHBlZCBjb3B5IG9mIHZj cHVfcnVuc3RhdGVfaW5mby4KKyAgICAgKi8KKyNkZWZpbmUgWEVOX1JVTlNUQVRFX1VQREFURSAg ICAgICAgICAoMVVMTCA8PCA2MykKKyAgICAvKgogICAgICAqIFRpbWUgc3BlbnQgaW4gZWFjaCBS VU5TVEFURV8qIChucykuIFRoZSBzdW0gb2YgdGhlc2UgdGltZXMgaXMKICAgICAgKiBndWFyYW50 ZWVkIG5vdCB0byBkcmlmdCBmcm9tIHN5c3RlbSB0aW1lLgogICAgICAqLwpkaWZmIC0tZ2l0IGEv eGVuL2luY2x1ZGUvcHVibGljL3hlbi5oIGIveGVuL2luY2x1ZGUvcHVibGljL3hlbi5oCmluZGV4 IDM3YmJiMjIuLmI5ZTVlMGYgMTAwNjQ0Ci0tLSBhL3hlbi9pbmNsdWRlL3B1YmxpYy94ZW4uaAor KysgYi94ZW4vaW5jbHVkZS9wdWJsaWMveGVuLmgKQEAgLTUxMCw2ICs1MTAsMTMgQEAgREVGSU5F X1hFTl9HVUVTVF9IQU5ETEUobW11ZXh0X29wX3QpOwogI2RlZmluZSBWTUFTU1RfVFlQRV9hcmNo aXRlY3R1cmFsX2lvcGwgICA0CiAKIC8qCisgKiBBbGwgZ3Vlc3RzOiBhY3RpdmF0ZSB1cGRhdGUg aW5kaWNhdG9yIGluIHZjcHVfcnVuc3RhdGVfaW5mbworICogRW5hYmxlIHNldHRpbmcgdGhlIFhF Tl9SVU5TVEFURV9VUERBVEUgZmxhZyBpbiBndWVzdCBtZW1vcnkgbWFwcGVkCisgKiB2Y3B1X3J1 bnN0YXRlX2luZm8gZHVyaW5nIHVwZGF0ZXMgb2YgdGhlIHJ1bnN0YXRlIGluZm9ybWF0aW9uLgor ICovCisjZGVmaW5lIFZNQVNTVF9UWVBFX3J1bnN0YXRlX3VwZGF0ZV9mbGFnIDUKKworLyoKICAq IHg4Ni82NCBndWVzdHM6IHN0cmljdGx5IGhpZGUgTTJQIGZyb20gdXNlciBtb2RlLgogICogVGhp cyBhbGxvd3MgdGhlIGd1ZXN0IHRvIGNvbnRyb2wgcmVzcGVjdGl2ZSBoeXBlcnZpc29yIGJlaGF2 aW9yOgogICogLSB3aGVuIG5vdCBzZXQsIEw0IHRhYmxlcyBnZXQgY3JlYXRlZCB3aXRoIHRoZSBy ZXNwZWN0aXZlIHNsb3QgYmxhbmssCi0tIAoyLjYuNgoKCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVs QGxpc3RzLnhlbi5vcmcKaHR0cDovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==