From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vitaly Kuznetsov Subject: [PATCH 2/2] libxl: preserve console tty across soft reset Date: Mon, 20 Mar 2017 19:03:11 +0100 Message-ID: <20170320180311.5091-3-vkuznets@redhat.com> References: <20170320180311.5091-1-vkuznets@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20170320180311.5091-1-vkuznets@redhat.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: Wei Liu , Ian Jackson List-Id: xen-devel@lists.xenproject.org T24gc29mdCByZXNldCB3ZSByZW1vdmUgdGhlIGRvbWFpbiBmcm9tIHhlbnN0b3JlIGFuZCBpbnRy b2R1Y2UgaXQgYmFjayB0bwpoYXZlIGV2ZXJ5dGhpbmcgcmVjb25uZWN0ZWQuIENvbnNvbGUsIGhv d2V2ZXIsIHN0YXlzIGF0dGFjaGVkIChhcyB4ZW5jb25zb2xlZApjaGVja3MgaWYgdGhlIGRvbWFp biBpcyBkeWluZyBhbmQgb3VyIGRvbWFpbiBpcyBub3QpIGJ1dCB3ZSBsb3NlIHRoZQppbmZvcm1h dGlvbiBhYm91dCB0dHk6CgpiZWZvcmUgc29mdCByZXNldDoKICAgY29uc29sZSA9ICIiCiAgICAu Li4KICAgIHR5cGUgPSAieGVuY29uc29sZWQiCiAgICBvdXRwdXQgPSAicHR5IgogICAgdHR5ID0g Ii9kZXYvcHRzLzEiCiAgICAuLi4KCmFmdGVyOgogICBjb25zb2xlID0gIiIKICAgIC4uLgogICAg dHlwZSA9ICJ4ZW5jb25zb2xlZCIKICAgIG91dHB1dCA9ICJwdHkiCiAgICB0dHkgPSAiIgogICAg Li4uCgpUaGUgaXNzdWUgYXBwbGllcyB0byBib3RoIEhWTSBhbmQgUFZIIGJ1dCBmb3IgSFZNIGd1 ZXN0cyBzZXJpYWwgY29uc29sZQp0aHJvdWdoIFFFTVUgaXMgdXN1YWxseSBpbiB1c2UgYW5kIGZv ciBQVkggd2UgZG9uJ3QgaGF2ZSBpdC4KClNpZ25lZC1vZmYtYnk6IFZpdGFseSBLdXpuZXRzb3Yg PHZrdXpuZXRzQHJlZGhhdC5jb20+Ci0tLQogdG9vbHMvbGlieGwvbGlieGxfY29uc29sZS5jICB8 IDUgKysrKy0KIHRvb2xzL2xpYnhsL2xpYnhsX2NyZWF0ZS5jICAgfCA4ICsrKysrKystCiB0b29s cy9saWJ4bC9saWJ4bF9pbnRlcm5hbC5oIHwgMSArCiAzIGZpbGVzIGNoYW5nZWQsIDEyIGluc2Vy dGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvdG9vbHMvbGlieGwvbGlieGxf Y29uc29sZS5jIGIvdG9vbHMvbGlieGwvbGlieGxfY29uc29sZS5jCmluZGV4IGNiYzcwYjcuLjQ0 NmU3NjYgMTAwNjQ0Ci0tLSBhL3Rvb2xzL2xpYnhsL2xpYnhsX2NvbnNvbGUuYworKysgYi90b29s cy9saWJ4bC9saWJ4bF9jb25zb2xlLmMKQEAgLTMxNiw3ICszMTYsMTAgQEAgaW50IGxpYnhsX19k ZXZpY2VfY29uc29sZV9hZGQobGlieGxfX2djICpnYywgdWludDMyX3QgZG9taWQsCiAgICAgZmxl eGFycmF5X2FwcGVuZChyb19mcm9udCwgIm91dHB1dCIpOwogICAgIGZsZXhhcnJheV9hcHBlbmQo cm9fZnJvbnQsIGNvbnNvbGUtPm91dHB1dCk7CiAgICAgZmxleGFycmF5X2FwcGVuZChyb19mcm9u dCwgInR0eSIpOwotICAgIGZsZXhhcnJheV9hcHBlbmQocm9fZnJvbnQsICIiKTsKKyAgICBpZiAo c3RhdGUgJiYgc3RhdGUtPmNvbnNvbGVfdHR5KQorICAgICAgICBmbGV4YXJyYXlfYXBwZW5kKHJv X2Zyb250LCBzdGF0ZS0+Y29uc29sZV90dHkpOworICAgIGVsc2UKKyAgICAgICAgZmxleGFycmF5 X2FwcGVuZChyb19mcm9udCwgIiIpOwogCiAgICAgaWYgKHN0YXRlKSB7CiAgICAgICAgIGZsZXhh cnJheV9hcHBlbmQocm9fZnJvbnQsICJwb3J0Iik7CmRpZmYgLS1naXQgYS90b29scy9saWJ4bC9s aWJ4bF9jcmVhdGUuYyBiL3Rvb2xzL2xpYnhsL2xpYnhsX2NyZWF0ZS5jCmluZGV4IDk1ZmQ5NmIu LmFkOGE0MjQgMTAwNjQ0Ci0tLSBhL3Rvb2xzL2xpYnhsL2xpYnhsX2NyZWF0ZS5jCisrKyBiL3Rv b2xzL2xpYnhsL2xpYnhsX2NyZWF0ZS5jCkBAIC0xNjk2LDcgKzE2OTYsNyBAQCBzdGF0aWMgaW50 IGRvX2RvbWFpbl9zb2Z0X3Jlc2V0KGxpYnhsX2N0eCAqY3R4LAogICAgIGxpYnhsX19kb21haW5f Y3JlYXRlX3N0YXRlICpkY3M7CiAgICAgbGlieGxfX2RvbWFpbl9idWlsZF9zdGF0ZSAqc3RhdGU7 CiAgICAgbGlieGxfX2RvbWFpbl9zYXZlX3N0YXRlICpkc3M7Ci0gICAgY2hhciAqZG9tX3BhdGgs ICp4c19zdG9yZV9tZm4sICp4c19jb25zb2xlX21mbjsKKyAgICBjaGFyICpkb21fcGF0aCwgKnhz X3N0b3JlX21mbiwgKnhzX2NvbnNvbGVfbWZuLCAqeHNfY29uc29sZV90dHk7CiAgICAgdWludDMy X3QgZG9taWRfb3V0OwogICAgIGludCByYzsKIApAQCAtMTczNyw2ICsxNzM3LDEyIEBAIHN0YXRp YyBpbnQgZG9fZG9tYWluX3NvZnRfcmVzZXQobGlieGxfY3R4ICpjdHgsCiAgICAgc3RhdGUtPmNv bnNvbGVfbWZuID0geHNfY29uc29sZV9tZm4gPyBhdG9sKHhzX2NvbnNvbGVfbWZuKTogMDsKICAg ICBmcmVlKHhzX2NvbnNvbGVfbWZuKTsKIAorICAgIHhzX2NvbnNvbGVfdHR5ID0geHNfcmVhZChj dHgtPnhzaCwgWEJUX05VTEwsCisgICAgICAgICAgICAgICAgICAgICAgICAgICAgIEdDU1BSSU5U RigiJXMvY29uc29sZS90dHkiLCBkb21fcGF0aCksCisgICAgICAgICAgICAgICAgICAgICAgICAg ICAgIE5VTEwpOworICAgIHN0YXRlLT5jb25zb2xlX3R0eSA9IGxpYnhsX19zdHJkdXAoZ2MsIHhz X2NvbnNvbGVfdHR5KTsKKyAgICBmcmVlKHhzX2NvbnNvbGVfdHR5KTsKKwogICAgIGRzcy0+YW8g PSBhbzsKICAgICBkc3MtPmRvbWlkID0gZHNzLT5kc3BzLmRvbWlkID0gZG9taWRfc29mdF9yZXNl dDsKICAgICBkc3MtPmRzcHMuZG1fc2F2ZWZpbGUgPSBHQ1NQUklOVEYoTElCWExfREVWSUNFX01P REVMX1NBVkVfRklMRSIuJWQiLApkaWZmIC0tZ2l0IGEvdG9vbHMvbGlieGwvbGlieGxfaW50ZXJu YWwuaCBiL3Rvb2xzL2xpYnhsL2xpYnhsX2ludGVybmFsLmgKaW5kZXggNzcyMjY2NS4uODhmY2E4 ZSAxMDA2NDQKLS0tIGEvdG9vbHMvbGlieGwvbGlieGxfaW50ZXJuYWwuaAorKysgYi90b29scy9s aWJ4bC9saWJ4bF9pbnRlcm5hbC5oCkBAIC0xMTIzLDYgKzExMjMsNyBAQCB0eXBlZGVmIHN0cnVj dCB7CiAgICAgdWludDMyX3QgY29uc29sZV9wb3J0OwogICAgIHVpbnQzMl90IGNvbnNvbGVfZG9t aWQ7CiAgICAgdW5zaWduZWQgbG9uZyBjb25zb2xlX21mbjsKKyAgICBjaGFyICpjb25zb2xlX3R0 eTsKIAogICAgIGNoYXIgKnNhdmVkX3N0YXRlOwogCi0tIAoyLjkuMwoKCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QK WGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=