From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joao Martins Subject: [PATCH 3/5] x86/time: streamline platform time init on plt_init() Date: Thu, 17 Mar 2016 09:12:14 -0700 (PDT) Message-ID: <1458231136-13457-4-git-send-email-joao.m.martins@oracle.com> References: <1458231136-13457-1-git-send-email-joao.m.martins@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1458231136-13457-1-git-send-email-joao.m.martins@oracle.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: Andrew Cooper , Joao Martins , Keir Fraser , Jan Beulich List-Id: xen-devel@lists.xenproject.org QW5kIHVzZSB0byBpbml0aWFsaXplIHBsYXRmb3JtIHRpbWUgc29sZWx5IGZvciBjbG9ja3NvdXJj ZT10c2MsCmFzIG9wcG9zZWQgdG8gaW5pdGlhbGl6aW5nIHBsYXRmb3JtIG92ZXJmbG93IHRpbWVy LCB3aGljaCB3b3VsZApvbmx5IGZpcmUgaW4gfjE4MCB5ZWFycyAob24gMi4yIEdoeiBCcm9hZHdl bGwgcHJvY2Vzc29yKS4KClNpZ25lZC1vZmYtYnk6IEpvYW8gTWFydGlucyA8am9hby5tLm1hcnRp bnNAb3JhY2xlLmNvbT4KLS0tCkNjOiBLZWlyIEZyYXNlciA8a2VpckB4ZW4ub3JnPgpDYzogSmFu IEJldWxpY2ggPGpiZXVsaWNoQHN1c2UuY29tPgpDYzogQW5kcmV3IENvb3BlciA8YW5kcmV3LmNv b3BlcjNAY2l0cml4LmNvbT4KCkNoYW5nZXMgc2luY2UgUkZDOgogLSBNb3ZlIGNsb2Nrc291cmNl X2lzX3RzYyB2YXJpYWJsZSB0byB0aGlzIHBhdGNoLgogLSBzLzEwMDAwMDAwMDAvU0VDT05EUygx KQotLS0KIHhlbi9hcmNoL3g4Ni90aW1lLmMgfCA0NCArKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKy0tLS0tLS0tLQogMSBmaWxlIGNoYW5nZWQsIDM1IGluc2VydGlvbnMoKyksIDkg ZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEveGVuL2FyY2gveDg2L3RpbWUuYyBiL3hlbi9hcmNo L3g4Ni90aW1lLmMKaW5kZXggMTMxMWM1OC4uNWFmODkwMiAxMDA2NDQKLS0tIGEveGVuL2FyY2gv eDg2L3RpbWUuYworKysgYi94ZW4vYXJjaC94ODYvdGltZS5jCkBAIC00MzQsNiArNDM0LDcgQEAg dWludDY0X3QgbnNfdG9fYWNwaV9wbV90aWNrKHVpbnQ2NF90IG5zKQogLyoqKioqKioqKioqKioq KioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKioqKgogICogUExBVEZP Uk0gVElNRVIgNDogVFNDCiAgKi8KK3N0YXRpYyBib29sX3QgY2xvY2tzb3VyY2VfaXNfdHNjID0g MDsKIHN0YXRpYyB1NjQgdHNjX2ZyZXE7CiBzdGF0aWMgdW5zaWduZWQgbG9uZyB0c2NfbWF4X3dh cnA7CiBzdGF0aWMgdm9pZCB0c2NfY2hlY2tfcmVsaWFiaWxpdHkodm9pZCk7CkBAIC00NjYsNyAr NDY3LDcgQEAgc3RhdGljIGludCBfX2luaXQgaW5pdF90c2N0aW1lcihzdHJ1Y3QgcGxhdGZvcm1f dGltZXNvdXJjZSAqcHRzKQogICAgIH0KIAogICAgIHB0cy0+ZnJlcXVlbmN5ID0gdHNjX2ZyZXE7 Ci0gICAgcmV0dXJuIHRzY19yZWxpYWJsZTsKKyAgICByZXR1cm4gKCBjbG9ja3NvdXJjZV9pc190 c2MgPSB0c2NfcmVsaWFibGUgKTsKIH0KIAogc3RhdGljIHU2NCByZWFkX3RzYyh2b2lkKQpAQCAt NTE2LDE3ICs1MTcsMzEgQEAgc3RhdGljIHNfdGltZV90IF9fcmVhZF9wbGF0Zm9ybV9zdGltZSh1 NjQgcGxhdGZvcm1fdGltZSkKICAgICByZXR1cm4gKHN0aW1lX3BsYXRmb3JtX3N0YW1wICsgc2Nh bGVfZGVsdGEoZGlmZiwgJnBsdF9zY2FsZSkpOwogfQogCitzdGF0aWMgdm9pZCBfX3BsdF9pbml0 KHZvaWQpCit7CisgICAgdTY0IGNvdW50OworCisgICAgQVNTRVJUKHNwaW5faXNfbG9ja2VkKCZw bGF0Zm9ybV90aW1lcl9sb2NrKSk7CisgICAgY291bnQgPSBwbHRfc3JjLnJlYWRfY291bnRlcigp OworICAgIHBsdF9zdGFtcDY0ICs9IChjb3VudCAtIHBsdF9zdGFtcCkgJiBwbHRfbWFzazsKKyAg ICBwbHRfc3RhbXAgPSBjb3VudDsKK30KKworc3RhdGljIHZvaWQgcGx0X2luaXQodm9pZCkKK3sK KyAgICBzcGluX2xvY2tfaXJxKCZwbGF0Zm9ybV90aW1lcl9sb2NrKTsKKyAgICBfX3BsdF9pbml0 KCk7CisgICAgc3Bpbl91bmxvY2tfaXJxKCZwbGF0Zm9ybV90aW1lcl9sb2NrKTsKK30KKwogc3Rh dGljIHZvaWQgcGx0X292ZXJmbG93KHZvaWQgKnVudXNlZCkKIHsKICAgICBpbnQgaTsKLSAgICB1 NjQgY291bnQ7CiAgICAgc190aW1lX3Qgbm93LCBwbHRfbm93LCBwbHRfd3JhcDsKIAogICAgIHNw aW5fbG9ja19pcnEoJnBsYXRmb3JtX3RpbWVyX2xvY2spOwogCi0gICAgY291bnQgPSBwbHRfc3Jj LnJlYWRfY291bnRlcigpOwotICAgIHBsdF9zdGFtcDY0ICs9IChjb3VudCAtIHBsdF9zdGFtcCkg JiBwbHRfbWFzazsKLSAgICBwbHRfc3RhbXAgPSBjb3VudDsKKyAgICBfX3BsdF9pbml0KCk7CiAK ICAgICBub3cgPSBOT1coKTsKICAgICBwbHRfd3JhcCA9IF9fcmVhZF9wbGF0Zm9ybV9zdGltZShw bHRfc3RhbXA2NCk7CkBAIC02MzMsMTEgKzY0OCwyMiBAQCBzdGF0aWMgdm9pZCBfX2luaXQgaW5p dF9wbGF0Zm9ybV90aW1lcih2b2lkKQogCiAgICAgc2V0X3RpbWVfc2NhbGUoJnBsdF9zY2FsZSwg cHRzLT5mcmVxdWVuY3kpOwogCi0gICAgcGx0X292ZXJmbG93X3BlcmlvZCA9IHNjYWxlX2RlbHRh KAotICAgICAgICAxdWxsIDw8IChwdHMtPmNvdW50ZXJfYml0cy0xKSwgJnBsdF9zY2FsZSk7Ci0g ICAgaW5pdF90aW1lcigmcGx0X292ZXJmbG93X3RpbWVyLCBwbHRfb3ZlcmZsb3csIE5VTEwsIDAp OwogICAgIHBsdF9zcmMgPSAqcHRzOwotICAgIHBsdF9vdmVyZmxvdyhOVUxMKTsKKworICAgIGlm ICggY2xvY2tzb3VyY2VfaXNfdHNjICkKKyAgICB7CisgICAgICAgIHBsdF9pbml0KCk7CisgICAg fQorICAgIGVsc2UKKyAgICB7CisgICAgICAgIHBsdF9vdmVyZmxvd19wZXJpb2QgPSBzY2FsZV9k ZWx0YSgKKyAgICAgICAgICAgIDF1bGwgPDwgKHB0cy0+Y291bnRlcl9iaXRzLTEpLCAmcGx0X3Nj YWxlKTsKKyAgICAgICAgaW5pdF90aW1lcigmcGx0X292ZXJmbG93X3RpbWVyLCBwbHRfb3ZlcmZs b3csIE5VTEwsIDApOworICAgICAgICBwbHRfb3ZlcmZsb3coTlVMTCk7CisKKyAgICAgICAgcHJp bnRrKCJQbGF0Zm9ybSB0aW1lciBvdmVyZmxvdyBwZXJpb2QgaXMgJWx1IHNlY3NcbiIsCisgICAg ICAgICAgICAgICBwbHRfb3ZlcmZsb3dfcGVyaW9kL1NFQ09ORFMoMSkpOworICAgIH0KIAogICAg IHBsYXRmb3JtX3RpbWVyX3N0YW1wID0gcGx0X3N0YW1wNjQ7CiAgICAgc3RpbWVfcGxhdGZvcm1f c3RhbXAgPSBOT1coKTsKLS0gCjIuMS40CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMu eGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK