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d="scan'208";a="11277150" From: Igor Druzhinin To: Date: Tue, 14 Jan 2020 19:36:21 +0000 Message-ID: <1579030581-7929-1-git-send-email-igor.druzhinin@citrix.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Subject: [Xen-devel] [PATCH] x86/time: update TSC stamp on restore from deep C-state 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: andrew.cooper3@citrix.com, Igor Druzhinin , wl@xen.org, jbeulich@suse.com, roger.pau@citrix.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" SWYgSVRTQyBpcyBub3QgYXZhaWxhYmxlIG9uIENQVSAoZS5nIGlmIHJ1bm5pbmcgbmVzdGVkIGFz IFBWIHNoaW0pCnRoZW4gWDg2X0ZFQVRVUkVfTk9OU1RPUF9UU0MgaXMgbm90IGFkdmVydGlzZWQg aW4gY2VydGFpbiBjYXNlcywgaS5lLgphbGwgQU1EIGFuZCBzb21lIG9sZCBJbnRlbCBwcm9jZXNz b3JzLiBJbiB3aGljaCBjYXNlIFRTQyB3b3VsZCBuZWVkIHRvCmJlIHJlc3RvcmVkIG9uIENQVSBm cm9tIHBsYXRmb3JtIHRpbWUgYnkgWGVuIHVwb24gZXhpdGluZyBkZWVwIEMtc3RhdGVzLgoKQXMg cGxhdGZvcm0gdGltZSBtaWdodCBiZSBiZWhpbmQgdGhlIGxhc3QgVFNDIHN0YW1wIHJlY29yZGVk IGZvciB0aGUKY3VycmVudCBDUFUsIGludmFyaWFudCBvZiBUU0Mgc3RhbXAgYmVpbmcgYWx3YXlz IGJlaGluZCBsb2NhbCBUU0MgY291bnRlcgppcyB2aW9sYXRlZC4gVGhpcyBoYXMgYW4gZWZmZWN0 IG9mIGdldF9zX3RpbWUoKSBnb2luZyBuZWdhdGl2ZSByZXN1bHRpbmcKaW4gZXZlbnR1YWwgc3lz dGVtIGhhbmcgb3IgY3Jhc2guCgpGaXggdGhpcyBpc3N1ZSBieSB1cGRhdGluZyBsb2NhbCBUU0Mg c3RhbXAgYWxvbmcgd2l0aCBUU0MgY291bnRlciB3cml0ZS4KClNpZ25lZC1vZmYtYnk6IElnb3Ig RHJ1emhpbmluIDxpZ29yLmRydXpoaW5pbkBjaXRyaXguY29tPgotLS0KVGhpcyBjYXVzZWQgcmVs aWFibGUgaGFuZ3Mgb2Ygc2hpbSBkb21haW5zIHdpdGggbXVsdGlwbGUgdkNQVXMgb24gYWxsIEFN RApzeXN0ZW1zLiBUaGUgcHJvYmxlbSBnb3QgYWxzbyByZXByb2R1Y2VkIG9uIGJhcmUtbWV0YWwg YnkgYXJ0aWZpY2FsbHkKbWFza2luZyBJVFNDIGZlYXR1cmUgYml0LiBUaGUgcHJvcG9zZWQgZml4 IGhhcyBiZWVuIHZlcmlmaWVkIGZvciBib3RoCmNhc2VzLgotLS0KIHhlbi9hcmNoL3g4Ni90aW1l LmMgfCA4ICsrKysrKystCiAxIGZpbGUgY2hhbmdlZCwgNyBpbnNlcnRpb25zKCspLCAxIGRlbGV0 aW9uKC0pCgpkaWZmIC0tZ2l0IGEveGVuL2FyY2gveDg2L3RpbWUuYyBiL3hlbi9hcmNoL3g4Ni90 aW1lLmMKaW5kZXggZTc5Y2I0ZC4uZjZiMjZmOCAxMDA2NDQKLS0tIGEveGVuL2FyY2gveDg2L3Rp bWUuYworKysgYi94ZW4vYXJjaC94ODYvdGltZS5jCkBAIC05NTUsMTAgKzk1NSwxNiBAQCB1NjQg c3RpbWUydHNjKHNfdGltZV90IHN0aW1lKQogCiB2b2lkIGNzdGF0ZV9yZXN0b3JlX3RzYyh2b2lk KQogeworICAgIHN0cnVjdCBjcHVfdGltZSAqdCA9ICZ0aGlzX2NwdShjcHVfdGltZSk7CisKICAg ICBpZiAoIGJvb3RfY3B1X2hhcyhYODZfRkVBVFVSRV9OT05TVE9QX1RTQykgKQogICAgICAgICBy ZXR1cm47CiAKLSAgICB3cml0ZV90c2Moc3RpbWUydHNjKHJlYWRfcGxhdGZvcm1fc3RpbWUoTlVM TCkpKTsKKyAgICB0LT5zdGFtcC5tYXN0ZXJfc3RpbWUgPSByZWFkX3BsYXRmb3JtX3N0aW1lKE5V TEwpOworICAgIHQtPnN0YW1wLmxvY2FsX3RzYyA9IHN0aW1lMnRzYyh0LT5zdGFtcC5tYXN0ZXJf c3RpbWUpOworICAgIHQtPnN0YW1wLmxvY2FsX3N0aW1lID0gdC0+c3RhbXAubWFzdGVyX3N0aW1l OworCisgICAgd3JpdGVfdHNjKHQtPnN0YW1wLmxvY2FsX3RzYyk7CiB9CiAKIC8qKioqKioqKioq KioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioq KioqKioqKioKLS0gCjIuNy40CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJv amVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hl bi1kZXZlbA==