From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: [PATCH v6 05/21] xen/x86: Improve disabling of features which have dependencies Date: Fri, 8 Apr 2016 21:31:41 +0100 Message-ID: <1460147517-11706-6-git-send-email-andrew.cooper3@citrix.com> References: <1460147517-11706-1-git-send-email-andrew.cooper3@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1460147517-11706-1-git-send-email-andrew.cooper3@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Xen-devel Cc: Andrew Cooper List-Id: xen-devel@lists.xenproject.org QVBJQyBhbmQgWFNBVkUgaGF2ZSBkZXBlbmRlbnQgZmVhdHVyZXMsIHdoaWNoIGFsc28gbmVlZCBk aXNhYmxpbmcgaWYgWGVuCmNob29zZXMgdG8gZGlzYWJsZSBhIGZlYXR1cmUuCgpVc2Ugc2V0dXBf Y2xlYXJfY3B1X2NhcCgpIHJhdGhlciB0aGFuIGNsZWFyX2JpdCgpLCBhcyBpdCB0YWtlcyBjYXJl IG9mCmRlcGVuZGVudCBmZWF0dXJlcyBhcyB3ZWxsLgoKU2lnbmVkLW9mZi1ieTogQW5kcmV3IENv b3BlciA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4KUmV2aWV3ZWQtYnk6IEphbiBCZXVsaWNo IDxKQmV1bGljaEBzdXNlLmNvbT4KUmV2aWV3ZWQtYnk6IEtvbnJhZCBSemVzenV0ZWsgV2lsayA8 a29ucmFkLndpbGtAb3JhY2xlLmNvbT4KLS0tCnYyOiBNb3ZlIGJvb2xlYW5fcGFyYW0oKSBhZGph Y2VudCB0byB1c2VfeHNhdmUgaW4geHN0YXRlX2luaXQoKQotLS0KIHhlbi9hcmNoL3g4Ni9hcGlj LmMgICAgICAgfCAgMiArLQogeGVuL2FyY2gveDg2L2NwdS9jb21tb24uYyB8IDEyICsrKy0tLS0t LS0tLQogeGVuL2FyY2gveDg2L3hzdGF0ZS5jICAgICB8ICA2ICsrKysrLQogMyBmaWxlcyBjaGFu Z2VkLCA5IGluc2VydGlvbnMoKyksIDExIGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL3hlbi9h cmNoL3g4Ni9hcGljLmMgYi94ZW4vYXJjaC94ODYvYXBpYy5jCmluZGV4IGI5NjAxYWQuLjhkZjVi ZDMgMTAwNjQ0Ci0tLSBhL3hlbi9hcmNoL3g4Ni9hcGljLmMKKysrIGIveGVuL2FyY2gveDg2L2Fw aWMuYwpAQCAtMTM0OSw3ICsxMzQ5LDcgQEAgdm9pZCBwbXVfYXBpY19pbnRlcnJ1cHQoc3RydWN0 IGNwdV91c2VyX3JlZ3MgKnJlZ3MpCiBpbnQgX19pbml0IEFQSUNfaW5pdF91bmlwcm9jZXNzb3Ig KHZvaWQpCiB7CiAgICAgaWYgKGVuYWJsZV9sb2NhbF9hcGljIDwgMCkKLSAgICAgICAgX19jbGVh cl9iaXQoWDg2X0ZFQVRVUkVfQVBJQywgYm9vdF9jcHVfZGF0YS54ODZfY2FwYWJpbGl0eSk7Cisg ICAgICAgIHNldHVwX2NsZWFyX2NwdV9jYXAoWDg2X0ZFQVRVUkVfQVBJQyk7CiAKICAgICBpZiAo IXNtcF9mb3VuZF9jb25maWcgJiYgIWNwdV9oYXNfYXBpYykgewogICAgICAgICBza2lwX2lvYXBp Y19zZXR1cCA9IDE7CmRpZmYgLS1naXQgYS94ZW4vYXJjaC94ODYvY3B1L2NvbW1vbi5jIGIveGVu L2FyY2gveDg2L2NwdS9jb21tb24uYwppbmRleCAwOTQyYjQ0Li5iNWMwMjNmIDEwMDY0NAotLS0g YS94ZW4vYXJjaC94ODYvY3B1L2NvbW1vbi5jCisrKyBiL3hlbi9hcmNoL3g4Ni9jcHUvY29tbW9u LmMKQEAgLTE2LDkgKzE2LDYgQEAKIAogI2luY2x1ZGUgImNwdS5oIgogCi1zdGF0aWMgYm9vbF90 IHVzZV94c2F2ZSA9IDE7Ci1ib29sZWFuX3BhcmFtKCJ4c2F2ZSIsIHVzZV94c2F2ZSk7Ci0KIGJv b2xfdCBvcHRfYXJhdCA9IDE7CiBib29sZWFuX3BhcmFtKCJhcmF0Iiwgb3B0X2FyYXQpOwogCkBA IC0zNDEsMTIgKzMzOCw2IEBAIHZvaWQgaWRlbnRpZnlfY3B1KHN0cnVjdCBjcHVpbmZvX3g4NiAq YykKIAlpZiAodGhpc19jcHUtPmNfaW5pdCkKIAkJdGhpc19jcHUtPmNfaW5pdChjKTsKIAotICAg ICAgICAvKiBJbml0aWFsaXplIHhzYXZlL3hyc3RvciBmZWF0dXJlcyAqLwotCWlmICggIXVzZV94 c2F2ZSApCi0JCV9fY2xlYXJfYml0KFg4Nl9GRUFUVVJFX1hTQVZFLCBib290X2NwdV9kYXRhLng4 Nl9jYXBhYmlsaXR5KTsKLQotCWlmICggY3B1X2hhc194c2F2ZSApCi0JCXhzdGF0ZV9pbml0KGMp OwogCiAgICAJaWYgKCAhb3B0X3BrdSApCiAJCXNldHVwX2NsZWFyX2NwdV9jYXAoWDg2X0ZFQVRV UkVfUEtVKTsKQEAgLTM3MCw2ICszNjEsOSBAQCB2b2lkIGlkZW50aWZ5X2NwdShzdHJ1Y3QgY3B1 aW5mb194ODYgKmMpCiAKIAkvKiBOb3cgdGhlIGZlYXR1cmUgZmxhZ3MgYmV0dGVyIHJlZmxlY3Qg YWN0dWFsIENQVSBmZWF0dXJlcyEgKi8KIAorCWlmICggY3B1X2hhc194c2F2ZSApCisJCXhzdGF0 ZV9pbml0KGMpOworCiAjaWZkZWYgTk9JU1lfQ0FQUwogCXByaW50ayhLRVJOX0RFQlVHICJDUFU6 IEFmdGVyIGFsbCBpbml0cywgY2FwczoiKTsKIAlmb3IgKGkgPSAwOyBpIDwgTkNBUElOVFM7IGkr KykKZGlmZiAtLWdpdCBhL3hlbi9hcmNoL3g4Ni94c3RhdGUuYyBiL3hlbi9hcmNoL3g4Ni94c3Rh dGUuYwppbmRleCA0OGMwMTk1Li44MzU5NzIyIDEwMDY0NAotLS0gYS94ZW4vYXJjaC94ODYveHN0 YXRlLmMKKysrIGIveGVuL2FyY2gveDg2L3hzdGF0ZS5jCkBAIC01MzMsMTEgKzUzMywxNSBAQCB1 bnNpZ25lZCBpbnQgeHN0YXRlX2N0eHRfc2l6ZSh1NjQgeGNyMCkKIC8qIENvbGxlY3QgdGhlIGlu Zm9ybWF0aW9uIG9mIHByb2Nlc3NvcidzIGV4dGVuZGVkIHN0YXRlICovCiB2b2lkIHhzdGF0ZV9p bml0KHN0cnVjdCBjcHVpbmZvX3g4NiAqYykKIHsKKyAgICBzdGF0aWMgYm9vbF90IF9faW5pdGRh dGEgdXNlX3hzYXZlID0gMTsKKyAgICBib29sZWFuX3BhcmFtKCJ4c2F2ZSIsIHVzZV94c2F2ZSk7 CisKICAgICBib29sX3QgYnNwID0gYyA9PSAmYm9vdF9jcHVfZGF0YTsKICAgICB1MzIgZWF4LCBl YngsIGVjeCwgZWR4OwogICAgIHU2NCBmZWF0dXJlX21hc2s7CiAKLSAgICBpZiAoIGJvb3RfY3B1 X2RhdGEuY3B1aWRfbGV2ZWwgPCBYU1RBVEVfQ1BVSUQgKQorICAgIGlmICggKGJzcCAmJiAhdXNl X3hzYXZlKSB8fAorICAgICAgICAgYm9vdF9jcHVfZGF0YS5jcHVpZF9sZXZlbCA8IFhTVEFURV9D UFVJRCApCiAgICAgewogICAgICAgICBCVUdfT04oIWJzcCk7CiAgICAgICAgIHNldHVwX2NsZWFy X2NwdV9jYXAoWDg2X0ZFQVRVUkVfWFNBVkUpOwotLSAKMi4xLjQKCgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhl bi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHA6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=