From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: [PATCH v2] xen/timers: Fix memory leak with cpu unplug/plug Date: Mon, 8 Apr 2019 10:39:56 +0100 Message-ID: <1554716396-3764-1-git-send-email-andrew.cooper3@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Xen-devel Cc: Stefano Stabellini , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Tim Deegan , Julien Grall , Jan Beulich , Ian Jackson List-Id: xen-devel@lists.xenproject.org dGltZXJfc29mdGlycV9hY3Rpb24oKSByZWFsbG9jJ3MgaXRzZWxmIGEgbGFyZ2VyIHRpbWVyIGhl YXAgd2hlbmV2ZXIKbmVjZXNzYXJ5LCB3aGljaCBpbmNsdWRlcyBib290c3RyYXBwaW5nIGZyb20g dGhlIGVtcHR5IGR1bW15X2hlYXAuICBOb3RoaW5nCmV2ZXIgZnJlZWQgdGhpcyBhbGxvY2F0aW9u LgoKQ1BVIHBsdWcgYW5kIHVucGx1ZyBoYXMgdGhlIHNpZGUgZWZmZWN0IG9mIHplcm9pbmcgdGhl IHBlcmNwdSBkYXRhIGFyZWEsIHdoaWNoCmNsZWFycyB0cy0+aGVhcC4gIFRoaXMgaW4gdHVybiBj YXVzZXMgbmV3IHRpbWVycyB0byBiZSBwdXQgb24gdGhlIGxpc3QgcmF0aGVyCnRoYW4gdGhlIGhl YXAsIGFuZCBmb3IgdGltZXJfc29mdGlycV9hY3Rpb24oKSB0byBib290c3RyYXAgaXRzZWxmIGFn YWluLgoKVGhpcyBpbiBwcmFjdGljZSBsZWFrcyB0cy0+aGVhcCBldmVyeSB0aW1lIGEgQ1BVIGlz IHVucGx1Z2dlZCBhbmQgcmVwbHVnZ2VkLgoKSW1wbGVtZW50IGZyZWVfcGVyY3B1X3RpbWVycygp IHdoaWNoIGluY2x1ZGVzIGZyZWVpbmcgdHMtPmhlYXAgd2hlbgphcHByb3ByaWF0ZSwgYW5kIHVw ZGF0ZSB0aGUgbm90aWZpZXIgY2FsbGJhY2sgd2l0aCB0aGUgcmVjZW50IGNwdSBwYXJraW5nCmxv Z2ljIGFuZCBmcmVlLWF2b2lkYW5jZSBhY3Jvc3Mgc3VzcGVuZC4KClNpZ25lZC1vZmYtYnk6IEFu ZHJldyBDb29wZXIgPGFuZHJldy5jb29wZXIzQGNpdHJpeC5jb20+Ci0tLQpDQzogR2VvcmdlIER1 bmxhcCA8R2VvcmdlLkR1bmxhcEBldS5jaXRyaXguY29tPgpDQzogSWFuIEphY2tzb24gPGlhbi5q YWNrc29uQGNpdHJpeC5jb20+CkNDOiBKYW4gQmV1bGljaCA8SkJldWxpY2hAc3VzZS5jb20+CkND OiBLb25yYWQgUnplc3p1dGVrIFdpbGsgPGtvbnJhZC53aWxrQG9yYWNsZS5jb20+CkNDOiBTdGVm YW5vIFN0YWJlbGxpbmkgPHNzdGFiZWxsaW5pQGtlcm5lbC5vcmc+CkNDOiBUaW0gRGVlZ2FuIDx0 aW1AeGVuLm9yZz4KQ0M6IFdlaSBMaXUgPHdlaS5saXUyQGNpdHJpeC5jb20+CkNDOiBKdWxpZW4g R3JhbGwgPGp1bGllbi5ncmFsbEBhcm0uY29tPgoKdjI6CiAqIFJlYmFzZSBvdmVyIEp1ZXJnZW4n cyBmcmVlLWF2b2lkYW5jZSBzZXJpZXMuCgpUaGlzIHRleHR1cmFsbHkgZGVwZW5kcyBvbiAieGVu L3RpbWVyczogRG9jdW1lbnQgYW5kIGltcHJvdmUgdGhlCnJlcHJlc2VudGF0aW9uIG9mIHRoZSB0 aW1lciBoZWFwIG1ldGFkYXRhIiB3aGljaCB3YXMgbmVjZXNzYXJ5IHRvIHVuZGVyc3RhbmQKdGhl IHByb2JsZW0gd2VsbCBlbm91Z2ggdG8gZml4IGl0LCBidXQgaXNuJ3QgYmFja3BvcnRpbmcgb3Zl ciB0aGlzIGNoYW5nZQppc24ndCB0b28gY29tcGxpY2F0ZWQgKHNob3VsZCB0aGUgY2xlYW51cCBw YXRjaCBub3Qgd2FudCB0byBiZSBiYWNrcG9ydGVkKS4KLS0tCiB4ZW4vY29tbW9uL3RpbWVyLmMg fCAyNyArKysrKysrKysrKysrKysrKysrKysrKysrKy0KIDEgZmlsZSBjaGFuZ2VkLCAyNiBpbnNl cnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCgpkaWZmIC0tZ2l0IGEveGVuL2NvbW1vbi90aW1lci5j IGIveGVuL2NvbW1vbi90aW1lci5jCmluZGV4IDk4ZjJjNDguLmYyNjVhMzYgMTAwNjQ0Ci0tLSBh L3hlbi9jb21tb24vdGltZXIuYworKysgYi94ZW4vY29tbW9uL3RpbWVyLmMKQEAgLTYxNSw2ICs2 MTUsMjIgQEAgc3RhdGljIHZvaWQgbWlncmF0ZV90aW1lcnNfZnJvbV9jcHUodW5zaWduZWQgaW50 IG9sZF9jcHUpCiAgKi8KIHN0YXRpYyBzdHJ1Y3QgdGltZXIgKmR1bW15X2hlYXBbMV07CiAKK3N0 YXRpYyB2b2lkIGZyZWVfcGVyY3B1X3RpbWVycyh1bnNpZ25lZCBpbnQgY3B1KQoreworICAgIHN0 cnVjdCB0aW1lcnMgKnRzID0gJnBlcl9jcHUodGltZXJzLCBjcHUpOworCisgICAgbWlncmF0ZV90 aW1lcnNfZnJvbV9jcHUoY3B1KTsKKworICAgIEFTU0VSVChoZWFwX21ldGFkYXRhKHRzLT5oZWFw KS0+c2l6ZSA9PSAwKTsKKyAgICBpZiAoIGhlYXBfbWV0YWRhdGEodHMtPmhlYXApLT5saW1pdCAp CisgICAgeworICAgICAgICB4ZnJlZSh0cy0+aGVhcCk7CisgICAgICAgIHRzLT5oZWFwID0gZHVt bXlfaGVhcDsKKyAgICB9CisgICAgZWxzZQorICAgICAgICBBU1NFUlQodHMtPmhlYXAgPT0gZHVt bXlfaGVhcCk7Cit9CisKIHN0YXRpYyBpbnQgY3B1X2NhbGxiYWNrKAogICAgIHN0cnVjdCBub3Rp Zmllcl9ibG9jayAqbmZiLCB1bnNpZ25lZCBsb25nIGFjdGlvbiwgdm9pZCAqaGNwdSkKIHsKQEAg LTYyOCwxMCArNjQ0LDE5IEBAIHN0YXRpYyBpbnQgY3B1X2NhbGxiYWNrKAogICAgICAgICBzcGlu X2xvY2tfaW5pdCgmdHMtPmxvY2spOwogICAgICAgICB0cy0+aGVhcCA9IGR1bW15X2hlYXA7CiAg ICAgICAgIGJyZWFrOworCiAgICAgY2FzZSBDUFVfVVBfQ0FOQ0VMRUQ6CiAgICAgY2FzZSBDUFVf REVBRDoKLSAgICAgICAgbWlncmF0ZV90aW1lcnNfZnJvbV9jcHUoY3B1KTsKKyAgICBjYXNlIENQ VV9SRVNVTUVfRkFJTEVEOgorICAgICAgICBpZiAoICFwYXJrX29mZmxpbmVfY3B1cyAmJiBzeXN0 ZW1fc3RhdGUgIT0gU1lTX1NUQVRFX3N1c3BlbmQgKQorICAgICAgICAgICAgZnJlZV9wZXJjcHVf dGltZXJzKGNwdSk7CiAgICAgICAgIGJyZWFrOworCisgICAgY2FzZSBDUFVfUkVNT1ZFOgorICAg ICAgICBpZiAoIHBhcmtfb2ZmbGluZV9jcHVzICkKKyAgICAgICAgICAgIGZyZWVfcGVyY3B1X3Rp bWVycyhjcHUpOworICAgICAgICBicmVhazsKKwogICAgIGRlZmF1bHQ6CiAgICAgICAgIGJyZWFr OwogICAgIH0KLS0gCjIuMS40CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJv amVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hl bi1kZXZlbA==