From mboxrd@z Thu Jan 1 00:00:00 1970 From: Juergen Gross Subject: [PATCH RFC 07/49] xen/sched: fix credit2 smt idle handling Date: Fri, 29 Mar 2019 16:08:52 +0100 Message-ID: <20190329150934.17694-8-jgross@suse.com> References: <20190329150934.17694-1-jgross@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1h9t8Z-0003UZ-4W for xen-devel@lists.xenproject.org; Fri, 29 Mar 2019 15:09:43 +0000 In-Reply-To: <20190329150934.17694-1-jgross@suse.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: xen-devel@lists.xenproject.org Cc: Juergen Gross , George Dunlap , Dario Faggioli List-Id: xen-devel@lists.xenproject.org Q3JlZGl0MidzIHNtdF9pZGxlX21hc2tfc2V0KCkgYW5kIHNtdF9pZGxlX21hc2tfY2xlYXIoKSBh cmUgdXNlZCB0bwppZGVudGlmeSBpZGxlIGNvcmVzIHdoZXJlIHZjcHVzIGNhbiBiZSBtb3ZlZCB0 by4gQSBjb3JlIGlzIHRob3VnaHQgdG8KYmUgaWRsZSB3aGVuIGFsbCBzaWJsaW5ncyBhcmUga25v d24gdG8gaGF2ZSB0aGUgaWRsZSB2Y3B1IHJ1bm5pbmcgb24KdGhlbS4KClVuZm9ydHVuYXRlbHkg dGhlIGluZm9ybWF0aW9uIG9mIGEgdmNwdSBydW5uaW5nIG9uIGEgY3B1IGlzIHBlcgpydW5xdWV1 ZS4gU28gaW4gY2FzZSBub3QgYWxsIHNpYmxpbmdzIGFyZSBpbiB0aGUgc2FtZSBydW5xdWV1ZSBh IGNvcmUKd2lsbCBuZXZlciBiZSByZWdhcmRlZCB0byBiZSBpZGxlLCBhcyB0aGUgc2libGluZyBu b3QgaW4gdGhlIHJ1bnF1ZXVlCmlzIG5ldmVyIGtub3duIHRvIHJ1biB0aGUgaWRsZSB2Y3B1LgoK VXNlIGEgY3JlZGl0MiBzcGVjaWZpYyBjcHVtYXNrIG9mIHNpYmxpbmdzIHdpdGggb25seSB0aG9z ZSBjcHVzCmJlaW5nIG1hcmtlZCB3aGljaCBhcmUgaW4gdGhlIHNhbWUgcnVucXVldWUgYXMgdGhl IGNwdSBpbiBxdWVzdGlvbi4KClNpZ25lZC1vZmYtYnk6IEp1ZXJnZW4gR3Jvc3MgPGpncm9zc0Bz dXNlLmNvbT4KLS0tClYyOgotIHVzZSBjcmVkaXQyIHBlci1jcHUgc3BlY2lmaWMgc2libGluZyBt YXNrCi0tLQogeGVuL2NvbW1vbi9zY2hlZF9jcmVkaXQyLmMgfCAyNSArKysrKysrKysrKysrKysr KysrKystLS0tCiAxIGZpbGUgY2hhbmdlZCwgMjEgaW5zZXJ0aW9ucygrKSwgNCBkZWxldGlvbnMo LSkKCmRpZmYgLS1naXQgYS94ZW4vY29tbW9uL3NjaGVkX2NyZWRpdDIuYyBiL3hlbi9jb21tb24v c2NoZWRfY3JlZGl0Mi5jCmluZGV4IDU0M2RjMzY2NGQuLjY5NThiMjY1ZmMgMTAwNjQ0Ci0tLSBh L3hlbi9jb21tb24vc2NoZWRfY3JlZGl0Mi5jCisrKyBiL3hlbi9jb21tb24vc2NoZWRfY3JlZGl0 Mi5jCkBAIC01MDQsNiArNTA0LDcgQEAgc3RydWN0IGNzY2hlZDJfcHJpdmF0ZSB7CiAgKiBQaHlz aWNhbCBDUFUKICAqLwogc3RydWN0IGNzY2hlZDJfcGNwdSB7CisgICAgY3B1bWFza190IHNpYmxp bmdfbWFzazsgICAgICAgICAgICAvKiBTaWJsaW5ncyBpbiB0aGUgc2FtZSBydW5xdWV1ZSAgICAg ICovCiAgICAgaW50IHJ1bnFfaWQ7CiB9OwogCkBAIC02NTYsNyArNjU3LDcgQEAgc3RhdGljIGlu bGluZQogdm9pZCBzbXRfaWRsZV9tYXNrX3NldCh1bnNpZ25lZCBpbnQgY3B1LCBjb25zdCBjcHVt YXNrX3QgKmlkbGVycywKICAgICAgICAgICAgICAgICAgICAgICAgY3B1bWFza190ICptYXNrKQog ewotICAgIGNvbnN0IGNwdW1hc2tfdCAqY3B1X3NpYmxpbmdzID0gcGVyX2NwdShjcHVfc2libGlu Z19tYXNrLCBjcHUpOworICAgIGNvbnN0IGNwdW1hc2tfdCAqY3B1X3NpYmxpbmdzID0gJmNzY2hl ZDJfcGNwdShjcHUpLT5zaWJsaW5nX21hc2s7CiAKICAgICBpZiAoIGNwdW1hc2tfc3Vic2V0KGNw dV9zaWJsaW5ncywgaWRsZXJzKSApCiAgICAgICAgIGNwdW1hc2tfb3IobWFzaywgbWFzaywgY3B1 X3NpYmxpbmdzKTsKQEAgLTY2OCwxMCArNjY5LDEwIEBAIHZvaWQgc210X2lkbGVfbWFza19zZXQo dW5zaWduZWQgaW50IGNwdSwgY29uc3QgY3B1bWFza190ICppZGxlcnMsCiBzdGF0aWMgaW5saW5l CiB2b2lkIHNtdF9pZGxlX21hc2tfY2xlYXIodW5zaWduZWQgaW50IGNwdSwgY3B1bWFza190ICpt YXNrKQogewotICAgIGNvbnN0IGNwdW1hc2tfdCAqY3B1X3NpYmxpbmdzID0gcGVyX2NwdShjcHVf c2libGluZ19tYXNrLCBjcHUpOworICAgIGNvbnN0IGNwdW1hc2tfdCAqY3B1X3NpYmxpbmdzID0g JmNzY2hlZDJfcGNwdShjcHUpLT5zaWJsaW5nX21hc2s7CiAKICAgICBpZiAoIGNwdW1hc2tfc3Vi c2V0KGNwdV9zaWJsaW5ncywgbWFzaykgKQotICAgICAgICBjcHVtYXNrX2FuZG5vdChtYXNrLCBt YXNrLCBwZXJfY3B1KGNwdV9zaWJsaW5nX21hc2ssIGNwdSkpOworICAgICAgICBjcHVtYXNrX2Fu ZG5vdChtYXNrLCBtYXNrLCBjcHVfc2libGluZ3MpOwogfQogCiAvKgpAQCAtMzc5Myw2ICszNzk0 LDcgQEAgaW5pdF9wZGF0YShzdHJ1Y3QgY3NjaGVkMl9wcml2YXRlICpwcnYsIHN0cnVjdCBjc2No ZWQyX3BjcHUgKnNwYywKICAgICAgICAgICAgdW5zaWduZWQgaW50IGNwdSkKIHsKICAgICBzdHJ1 Y3QgY3NjaGVkMl9ydW5xdWV1ZV9kYXRhICpycWQ7CisgICAgdW5zaWduZWQgaW50IHJjcHU7CiAK ICAgICBBU1NFUlQocndfaXNfd3JpdGVfbG9ja2VkKCZwcnYtPmxvY2spKTsKICAgICBBU1NFUlQo IWNwdW1hc2tfdGVzdF9jcHUoY3B1LCAmcHJ2LT5pbml0aWFsaXplZCkpOwpAQCAtMzgxMCwxMiAr MzgxMiwyMyBAQCBpbml0X3BkYXRhKHN0cnVjdCBjc2NoZWQyX3ByaXZhdGUgKnBydiwgc3RydWN0 IGNzY2hlZDJfcGNwdSAqc3BjLAogICAgICAgICBwcmludGsoWEVOTE9HX0lORk8gIiBGaXJzdCBj cHUgb24gcnVucXVldWUsIGFjdGl2YXRpbmdcbiIpOwogICAgICAgICBhY3RpdmF0ZV9ydW5xdWV1 ZShwcnYsIHNwYy0+cnVucV9pZCk7CiAgICAgfQotICAgIAorCiAgICAgX19jcHVtYXNrX3NldF9j cHUoY3B1LCAmcnFkLT5pZGxlKTsKICAgICBfX2NwdW1hc2tfc2V0X2NwdShjcHUsICZycWQtPmFj dGl2ZSk7CiAgICAgX19jcHVtYXNrX3NldF9jcHUoY3B1LCAmcHJ2LT5pbml0aWFsaXplZCk7CiAg ICAgX19jcHVtYXNrX3NldF9jcHUoY3B1LCAmcnFkLT5zbXRfaWRsZSk7CiAKKyAgICAvKiBPbiB0 aGUgYm9vdCBjcHUgd2UgYXJlIGNhbGxlZCBiZWZvcmUgY3B1X3NpYmxpbmdfbWFzayBoYXMgYmVl biBzZXQgdXAuICovCisgICAgaWYgKCBjcHUgPT0gMCAmJiBzeXN0ZW1fc3RhdGUgPCBTWVNfU1RB VEVfYWN0aXZlICkKKyAgICAgICAgX19jcHVtYXNrX3NldF9jcHUoY3B1LCAmY3NjaGVkMl9wY3B1 KGNwdSktPnNpYmxpbmdfbWFzayk7CisgICAgZWxzZQorICAgICAgICBmb3JfZWFjaF9jcHUgKCBy Y3B1LCBwZXJfY3B1KGNwdV9zaWJsaW5nX21hc2ssIGNwdSkgKQorICAgICAgICAgICAgaWYgKCBj cHVtYXNrX3Rlc3RfY3B1KHJjcHUsICZycWQtPmFjdGl2ZSkgKQorICAgICAgICAgICAgeworICAg ICAgICAgICAgICAgIF9fY3B1bWFza19zZXRfY3B1KGNwdSwgJmNzY2hlZDJfcGNwdShyY3B1KS0+ c2libGluZ19tYXNrKTsKKyAgICAgICAgICAgICAgICBfX2NwdW1hc2tfc2V0X2NwdShyY3B1LCAm Y3NjaGVkMl9wY3B1KGNwdSktPnNpYmxpbmdfbWFzayk7CisgICAgICAgICAgICB9CisKICAgICBp ZiAoIGNwdW1hc2tfd2VpZ2h0KCZycWQtPmFjdGl2ZSkgPT0gMSApCiAgICAgICAgIHJxZC0+cGlj a19iaWFzID0gY3B1OwogCkBAIC0zODk3LDYgKzM5MTAsNyBAQCBjc2NoZWQyX2RlaW5pdF9wZGF0 YShjb25zdCBzdHJ1Y3Qgc2NoZWR1bGVyICpvcHMsIHZvaWQgKnBjcHUsIGludCBjcHUpCiAgICAg c3RydWN0IGNzY2hlZDJfcHJpdmF0ZSAqcHJ2ID0gY3NjaGVkMl9wcml2KG9wcyk7CiAgICAgc3Ry dWN0IGNzY2hlZDJfcnVucXVldWVfZGF0YSAqcnFkOwogICAgIHN0cnVjdCBjc2NoZWQyX3BjcHUg KnNwYyA9IHBjcHU7CisgICAgdW5zaWduZWQgaW50IHJjcHU7CiAKICAgICB3cml0ZV9sb2NrX2ly cXNhdmUoJnBydi0+bG9jaywgZmxhZ3MpOwogCkBAIC0zOTIzLDYgKzM5MzcsOSBAQCBjc2NoZWQy X2RlaW5pdF9wZGF0YShjb25zdCBzdHJ1Y3Qgc2NoZWR1bGVyICpvcHMsIHZvaWQgKnBjcHUsIGlu dCBjcHUpCiAKICAgICBwcmludGsoWEVOTE9HX0lORk8gIlJlbW92aW5nIGNwdSAlZCBmcm9tIHJ1 bnF1ZXVlICVkXG4iLCBjcHUsIHNwYy0+cnVucV9pZCk7CiAKKyAgICBmb3JfZWFjaF9jcHUgKCBy Y3B1LCAmcnFkLT5hY3RpdmUgKQorICAgICAgICBfX2NwdW1hc2tfY2xlYXJfY3B1KGNwdSwgJmNz Y2hlZDJfcGNwdShyY3B1KS0+c2libGluZ19tYXNrKTsKKwogICAgIF9fY3B1bWFza19jbGVhcl9j cHUoY3B1LCAmcnFkLT5pZGxlKTsKICAgICBfX2NwdW1hc2tfY2xlYXJfY3B1KGNwdSwgJnJxZC0+ c210X2lkbGUpOwogICAgIF9fY3B1bWFza19jbGVhcl9jcHUoY3B1LCAmcnFkLT5hY3RpdmUpOwot LSAKMi4xNi40CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcK aHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==