From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Cooper <andrew.cooper3@citrix.com>
Subject: [PATCH v2 for-4.10] x86: Avoid corruption on migrate
	for vcpus using CPUID Faulting
Date: Mon, 27 Nov 2017 13:02:11 +0000
Message-ID: <1511787731-2551-1-git-send-email-andrew.cooper3@citrix.com>
References: <1511633728-680-1-git-send-email-andrew.cooper3@citrix.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xenproject.org>
In-Reply-To: <1511633728-680-1-git-send-email-andrew.cooper3@citrix.com>
List-Unsubscribe: <https://lists.xenproject.org/mailman/options/xen-devel>,
 <mailto:xen-devel-request@lists.xenproject.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xenproject.org>
List-Help: <mailto:xen-devel-request@lists.xenproject.org?subject=help>
List-Subscribe: <https://lists.xenproject.org/mailman/listinfo/xen-devel>,
 <mailto:xen-devel-request@lists.xenproject.org?subject=subscribe>
Errors-To: xen-devel-bounces@lists.xenproject.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xenproject.org>
To: Xen-devel <xen-devel@lists.xen.org>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>, Julien Grall <julien.grall@arm.com>, Wei Liu <wei.liu2@citrix.com>, Jan Beulich <JBeulich@suse.com>
List-Id: xen-devel@lists.xenproject.org

WGVuIDQuOCBhbmQgbGF0ZXIgdmlydHVhbGlzZXMgQ1BVSUQgRmF1bHRpbmcgc3VwcG9ydCBmb3Ig
Z3Vlc3RzLiAgSG93ZXZlciwgdGhlCnZhbHVlIG9mIE1TUl9NSVNDX0ZFQVRVUkVTX0VOQUJMRVMg
aXMgb21pdHRlZCBmcm9tIHRoZSB2Y3B1IHN0YXRlLCBtZWFuaW5nCnRoYXQgdGhlIGN1cnJlbnQg
Y3B1aWQgZmF1bHRpbmcgc2V0dGluZyBpcyBsb3N0IG9uIG1pZ3JhdGUvc3VzcGVuZC9yZXN1bWUu
CgpUbyBtb3ZlIHRoaXMgTVNSLCB1c2UgdGhlIG5ldyBndWVzdF97cmQsd3J9bXNyKCkgaW5mcmFz
dHJ1Y3R1cmUuICBUaGlzIGF2b2lkcwpkdXBsaWNhdGluZyBvciBvcGVuY29kaW5nIHRoZSBmZWF0
dXJlIGNoZWNrIGFuZCB2YWx1ZSBsb2dpYywgYXMgd2VsbCBhcwphYnN0cmFjdGluZyBhd2F5IHRo
ZSBpbnRlcm5hbCB2YWx1ZSByZXByZXNlbnRhdGlvbi4gIE9uZSBzbWFsbCBhZGp1c3RtZW50IHRv
Cmd1ZXN0X3dybXNyKCkgaXMgcmVxdWlyZWQgdG8gY29wZSB3aXRoIGJlaW5nIGNhbGxlZCBpbiB0
b29sc3RhY2sgY29udGV4dC4KClNpZ25lZC1vZmYtYnk6IEFuZHJldyBDb29wZXIgPGFuZHJldy5j
b29wZXIzQGNpdHJpeC5jb20+Ci0tLQpDQzogSmFuIEJldWxpY2ggPEpCZXVsaWNoQHN1c2UuY29t
PgpDQzogV2VpIExpdSA8d2VpLmxpdTJAY2l0cml4LmNvbT4KQ0M6IEp1bGllbiBHcmFsbCA8anVs
aWVuLmdyYWxsQGFybS5jb20+Cgp2MjoKICogTW92ZSB0aGUgbXNyc1tdIGFycmF5IHRvIGFuIG91
dGVyIHNjb3BlIGFuZCBkZXJpdmUgdGhlIG51bWJlciB0byBzZW5kIHdpdGgKICAgQVJSQVlfU0la
RSgpCiAqIERvbid0IGNyZWF0ZSBhIHNoYWRvd2VkIGogdmFyaWFibGUgaW4gYXJjaF9kb19kb21j
dGwoKQoKVGhpcyBuZWVkcyBiYWNrcG9ydGluZyB0byA0LjggYW5kIGxhdGVyLCBhbmQgdGhlcmVm
b3JlIHNob3VsZCBiZSBjb25zaWRlcmVkCmZvciA0LjEwIGF0IHRoaXMgcG9pbnQuCi0tLQogeGVu
L2FyY2gveDg2L2RvbWN0bC5jICAgICB8IDQ5ICsrKysrKysrKysrKysrKysrKysrKysrKysrKysr
KysrKysrKysrKysrKysrLS0tCiB4ZW4vYXJjaC94ODYvaHZtL2h2bS5jICAgIHwgNDEgKysrKysr
KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKystCiB4ZW4vYXJjaC94ODYvbXNyLmMgICAg
ICAgIHwgIDMgKystCiB4ZW4vaW5jbHVkZS9hc20teDg2L21zci5oIHwgIDMgKysrCiA0IGZpbGVz
IGNoYW5nZWQsIDkxIGluc2VydGlvbnMoKyksIDUgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEv
eGVuL2FyY2gveDg2L2RvbWN0bC5jIGIveGVuL2FyY2gveDg2L2RvbWN0bC5jCmluZGV4IDgwYjRk
ZjkuLjFkZGQzZDAgMTAwNjQ0Ci0tLSBhL3hlbi9hcmNoL3g4Ni9kb21jdGwuYworKysgYi94ZW4v
YXJjaC94ODYvZG9tY3RsLmMKQEAgLTEyODYsNyArMTI4NiwxMCBAQCBsb25nIGFyY2hfZG9fZG9t
Y3RsKAogICAgICAgICBzdHJ1Y3QgeGVuX2RvbWN0bF92Y3B1X21zcnMgKnZtc3JzID0gJmRvbWN0
bC0+dS52Y3B1X21zcnM7CiAgICAgICAgIHN0cnVjdCB4ZW5fZG9tY3RsX3ZjcHVfbXNyIG1zcjsK
ICAgICAgICAgc3RydWN0IHZjcHUgKnY7Ci0gICAgICAgIHVpbnQzMl90IG5yX21zcnMgPSAwOwor
ICAgICAgICBzdGF0aWMgY29uc3QgdWludDMyX3QgbXNyc190b19zZW5kW10gPSB7CisgICAgICAg
ICAgICBNU1JfSU5URUxfTUlTQ19GRUFUVVJFU19FTkFCTEVTLAorICAgICAgICB9OworICAgICAg
ICB1aW50MzJfdCBucl9tc3JzID0gQVJSQVlfU0laRShtc3JzX3RvX3NlbmQpOwogCiAgICAgICAg
IHJldCA9IC1FU1JDSDsKICAgICAgICAgaWYgKCAodm1zcnMtPnZjcHUgPj0gZC0+bWF4X3ZjcHVz
KSB8fApAQCAtMTMxMSwxNCArMTMxNCw0OSBAQCBsb25nIGFyY2hfZG9fZG9tY3RsKAogICAgICAg
ICAgICAgICAgIHZtc3JzLT5tc3JfY291bnQgPSBucl9tc3JzOwogICAgICAgICAgICAgZWxzZQog
ICAgICAgICAgICAgeworICAgICAgICAgICAgICAgIHVuc2lnbmVkIGludCBqOworCiAgICAgICAg
ICAgICAgICAgaSA9IDA7CiAKICAgICAgICAgICAgICAgICB2Y3B1X3BhdXNlKHYpOwogCi0gICAg
ICAgICAgICAgICAgaWYgKCBib290X2NwdV9oYXMoWDg2X0ZFQVRVUkVfREJFWFQpICkKKyAgICAg
ICAgICAgICAgICBmb3IgKCBqID0gMDsgaiA8IEFSUkFZX1NJWkUobXNyc190b19zZW5kKTsgKytq
ICkKICAgICAgICAgICAgICAgICB7Ci0gICAgICAgICAgICAgICAgICAgIHVuc2lnbmVkIGludCBq
OworICAgICAgICAgICAgICAgICAgICB1aW50NjRfdCB2YWw7CisgICAgICAgICAgICAgICAgICAg
IGludCByYyA9IGd1ZXN0X3JkbXNyKHYsIG1zcnNfdG9fc2VuZFtqXSwgJnZhbCk7CisKKyAgICAg
ICAgICAgICAgICAgICAgLyoKKyAgICAgICAgICAgICAgICAgICAgICogSXQgaXMgdGhlIHByb2dy
YW1tZXJzIHJlc3BvbnNpYmlsaXR5IHRvIGVuc3VyZSB0aGF0CisgICAgICAgICAgICAgICAgICAg
ICAqIG1zcnNbXSBjb250YWluIGdlbmVyYWxseS1yZWFkL3dyaXRlIE1TUnMuCisgICAgICAgICAg
ICAgICAgICAgICAqIFg4NkVNVUxfRVhDRVBUSU9OIGhlcmUgaW1wbGllcyBhIG1pc3NpbmcgZmVh
dHVyZSwgYW5kCisgICAgICAgICAgICAgICAgICAgICAqIHRoYXQgdGhlIGd1ZXN0IGRvZXNuJ3Qg
aGF2ZSBhY2Nlc3MgdG8gdGhlIE1TUi4KKyAgICAgICAgICAgICAgICAgICAgICovCisgICAgICAg
ICAgICAgICAgICAgIGlmICggcmMgPT0gWDg2RU1VTF9FWENFUFRJT04gKQorICAgICAgICAgICAg
ICAgICAgICAgICAgY29udGludWU7CisKKyAgICAgICAgICAgICAgICAgICAgaWYgKCByYyAhPSBY
ODZFTVVMX09LQVkgKQorICAgICAgICAgICAgICAgICAgICB7CisgICAgICAgICAgICAgICAgICAg
ICAgICBBU1NFUlRfVU5SRUFDSEFCTEUoKTsKKyAgICAgICAgICAgICAgICAgICAgICAgIHJldCA9
IC1FTlhJTzsKKyAgICAgICAgICAgICAgICAgICAgICAgIGJyZWFrOworICAgICAgICAgICAgICAg
ICAgICB9CisKKyAgICAgICAgICAgICAgICAgICAgaWYgKCAhdmFsICkKKyAgICAgICAgICAgICAg
ICAgICAgICAgIGNvbnRpbnVlOyAvKiBTa2lwIGVtcHR5IE1TUnMuICovCiAKKyAgICAgICAgICAg
ICAgICAgICAgaWYgKCBpIDwgdm1zcnMtPm1zcl9jb3VudCAmJiAhcmV0ICkKKyAgICAgICAgICAg
ICAgICAgICAgeworICAgICAgICAgICAgICAgICAgICAgICAgbXNyLmluZGV4ID0gbXNyc190b19z
ZW5kW2pdOworICAgICAgICAgICAgICAgICAgICAgICAgbXNyLnJlc2VydmVkID0gMDsKKyAgICAg
ICAgICAgICAgICAgICAgICAgIG1zci52YWx1ZSA9IHZhbDsKKyAgICAgICAgICAgICAgICAgICAg
ICAgIGlmICggY29weV90b19ndWVzdF9vZmZzZXQodm1zcnMtPm1zcnMsIGksICZtc3IsIDEpICkK
KyAgICAgICAgICAgICAgICAgICAgICAgICAgICByZXQgPSAtRUZBVUxUOworICAgICAgICAgICAg
ICAgICAgICB9CisgICAgICAgICAgICAgICAgICAgICsraTsKKyAgICAgICAgICAgICAgICB9CisK
KyAgICAgICAgICAgICAgICBpZiAoIGJvb3RfY3B1X2hhcyhYODZfRkVBVFVSRV9EQkVYVCkgKQor
ICAgICAgICAgICAgICAgIHsKICAgICAgICAgICAgICAgICAgICAgaWYgKCB2LT5hcmNoLnB2X3Zj
cHUuZHJfbWFza1swXSApCiAgICAgICAgICAgICAgICAgICAgIHsKICAgICAgICAgICAgICAgICAg
ICAgICAgIGlmICggaSA8IHZtc3JzLT5tc3JfY291bnQgJiYgIXJldCApCkBAIC0xMzc1LDYgKzE0
MTMsMTEgQEAgbG9uZyBhcmNoX2RvX2RvbWN0bCgKIAogICAgICAgICAgICAgICAgIHN3aXRjaCAo
IG1zci5pbmRleCApCiAgICAgICAgICAgICAgICAgeworICAgICAgICAgICAgICAgIGNhc2UgTVNS
X0lOVEVMX01JU0NfRkVBVFVSRVNfRU5BQkxFUzoKKyAgICAgICAgICAgICAgICAgICAgaWYgKCBn
dWVzdF93cm1zcih2LCBtc3IuaW5kZXgsIG1zci52YWx1ZSkgIT0gWDg2RU1VTF9PS0FZICkKKyAg
ICAgICAgICAgICAgICAgICAgICAgIGJyZWFrOworICAgICAgICAgICAgICAgICAgICBjb250aW51
ZTsKKwogICAgICAgICAgICAgICAgIGNhc2UgTVNSX0FNRDY0X0RSMF9BRERSRVNTX01BU0s6CiAg
ICAgICAgICAgICAgICAgICAgIGlmICggIWJvb3RfY3B1X2hhcyhYODZfRkVBVFVSRV9EQkVYVCkg
fHwKICAgICAgICAgICAgICAgICAgICAgICAgICAobXNyLnZhbHVlID4+IDMyKSApCmRpZmYgLS1n
aXQgYS94ZW4vYXJjaC94ODYvaHZtL2h2bS5jIGIveGVuL2FyY2gveDg2L2h2bS9odm0uYwppbmRl
eCBjNzY1YTVlLi5lYzNkYzQ4IDEwMDY0NAotLS0gYS94ZW4vYXJjaC94ODYvaHZtL2h2bS5jCisr
KyBiL3hlbi9hcmNoL3g4Ni9odm0vaHZtLmMKQEAgLTEzMjIsNyArMTMyMiwxMCBAQCBzdGF0aWMg
aW50IGh2bV9sb2FkX2NwdV94c2F2ZV9zdGF0ZXMoc3RydWN0IGRvbWFpbiAqZCwgaHZtX2RvbWFp
bl9jb250ZXh0X3QgKmgpCiB9CiAKICNkZWZpbmUgSFZNX0NQVV9NU1JfU0laRShjbnQpIG9mZnNl
dG9mKHN0cnVjdCBodm1fbXNyLCBtc3JbY250XSkKLXN0YXRpYyB1bnNpZ25lZCBpbnQgX19yZWFk
X21vc3RseSBtc3JfY291bnRfbWF4Oworc3RhdGljIGNvbnN0IHVpbnQzMl90IG1zcnNfdG9fc2Vu
ZFtdID0geworICAgIE1TUl9JTlRFTF9NSVNDX0ZFQVRVUkVTX0VOQUJMRVMsCit9Oworc3RhdGlj
IHVuc2lnbmVkIGludCBfX3JlYWRfbW9zdGx5IG1zcl9jb3VudF9tYXggPSBBUlJBWV9TSVpFKG1z
cnNfdG9fc2VuZCk7CiAKIHN0YXRpYyBpbnQgaHZtX3NhdmVfY3B1X21zcnMoc3RydWN0IGRvbWFp
biAqZCwgaHZtX2RvbWFpbl9jb250ZXh0X3QgKmgpCiB7CkBAIC0xMzQwLDYgKzEzNDMsMzMgQEAg
c3RhdGljIGludCBodm1fc2F2ZV9jcHVfbXNycyhzdHJ1Y3QgZG9tYWluICpkLCBodm1fZG9tYWlu
X2NvbnRleHRfdCAqaCkKICAgICAgICAgY3R4dCA9IChzdHJ1Y3QgaHZtX21zciAqKSZoLT5kYXRh
W2gtPmN1cl07CiAgICAgICAgIGN0eHQtPmNvdW50ID0gMDsKIAorICAgICAgICBmb3IgKCBpID0g
MDsgaSA8IEFSUkFZX1NJWkUobXNyc190b19zZW5kKTsgKytpICkKKyAgICAgICAgeworICAgICAg
ICAgICAgdWludDY0X3QgdmFsOworICAgICAgICAgICAgaW50IHJjID0gZ3Vlc3RfcmRtc3Iodiwg
bXNyc190b19zZW5kW2ldLCAmdmFsKTsKKworICAgICAgICAgICAgLyoKKyAgICAgICAgICAgICAq
IEl0IGlzIHRoZSBwcm9ncmFtbWVycyByZXNwb25zaWJpbGl0eSB0byBlbnN1cmUgdGhhdCBtc3Jz
W10KKyAgICAgICAgICAgICAqIGNvbnRhaW4gZ2VuZXJhbGx5LXJlYWQvd3JpdGUgTVNScy4gIFg4
NkVNVUxfRVhDRVBUSU9OIGhlcmUKKyAgICAgICAgICAgICAqIGltcGxpZXMgYSBtaXNzaW5nIGZl
YXR1cmUsIGFuZCB0aGF0IHRoZSBndWVzdCBkb2Vzbid0IGhhdmUKKyAgICAgICAgICAgICAqIGFj
Y2VzcyB0byB0aGUgTVNSLgorICAgICAgICAgICAgICovCisgICAgICAgICAgICBpZiAoIHJjID09
IFg4NkVNVUxfRVhDRVBUSU9OICkKKyAgICAgICAgICAgICAgICBjb250aW51ZTsKKworICAgICAg
ICAgICAgaWYgKCByYyAhPSBYODZFTVVMX09LQVkgKQorICAgICAgICAgICAgeworICAgICAgICAg
ICAgICAgIEFTU0VSVF9VTlJFQUNIQUJMRSgpOworICAgICAgICAgICAgICAgIHJldHVybiAtRU5Y
SU87CisgICAgICAgICAgICB9CisKKyAgICAgICAgICAgIGlmICggIXZhbCApCisgICAgICAgICAg
ICAgICAgY29udGludWU7IC8qIFNraXAgZW1wdHkgTVNScy4gKi8KKworICAgICAgICAgICAgY3R4
dC0+bXNyW2N0eHQtPmNvdW50XS5pbmRleCA9IG1zcnNfdG9fc2VuZFtpXTsKKyAgICAgICAgICAg
IGN0eHQtPm1zcltjdHh0LT5jb3VudCsrXS52YWwgPSB2YWw7CisgICAgICAgIH0KKwogICAgICAg
ICBpZiAoIGh2bV9mdW5jcy5zYXZlX21zciApCiAgICAgICAgICAgICBodm1fZnVuY3Muc2F2ZV9t
c3IodiwgY3R4dCk7CiAKQEAgLTE0MjYsNiArMTQ1NiwxNSBAQCBzdGF0aWMgaW50IGh2bV9sb2Fk
X2NwdV9tc3JzKHN0cnVjdCBkb21haW4gKmQsIGh2bV9kb21haW5fY29udGV4dF90ICpoKQogICAg
IHsKICAgICAgICAgc3dpdGNoICggY3R4dC0+bXNyW2ldLmluZGV4ICkKICAgICAgICAgeworICAg
ICAgICAgICAgaW50IHJjOworCisgICAgICAgIGNhc2UgTVNSX0lOVEVMX01JU0NfRkVBVFVSRVNf
RU5BQkxFUzoKKyAgICAgICAgICAgIHJjID0gZ3Vlc3Rfd3Jtc3IodiwgY3R4dC0+bXNyW2ldLmlu
ZGV4LCBjdHh0LT5tc3JbaV0udmFsKTsKKworICAgICAgICAgICAgaWYgKCByYyAhPSBYODZFTVVM
X09LQVkgKQorICAgICAgICAgICAgICAgIGVyciA9IC1FTlhJTzsKKyAgICAgICAgICAgIGJyZWFr
OworCiAgICAgICAgIGRlZmF1bHQ6CiAgICAgICAgICAgICBpZiAoICFjdHh0LT5tc3JbaV0uX3Jz
dmQgKQogICAgICAgICAgICAgICAgIGVyciA9IC1FTlhJTzsKZGlmZiAtLWdpdCBhL3hlbi9hcmNo
L3g4Ni9tc3IuYyBiL3hlbi9hcmNoL3g4Ni9tc3IuYwppbmRleCBiYWJhNDRmLi4zMTk4M2VkIDEw
MDY0NAotLS0gYS94ZW4vYXJjaC94ODYvbXNyLmMKKysrIGIveGVuL2FyY2gveDg2L21zci5jCkBA
IC0xNTAsNiArMTUwLDcgQEAgaW50IGd1ZXN0X3JkbXNyKGNvbnN0IHN0cnVjdCB2Y3B1ICp2LCB1
aW50MzJfdCBtc3IsIHVpbnQ2NF90ICp2YWwpCiAKIGludCBndWVzdF93cm1zcihzdHJ1Y3QgdmNw
dSAqdiwgdWludDMyX3QgbXNyLCB1aW50NjRfdCB2YWwpCiB7CisgICAgY29uc3Qgc3RydWN0IHZj
cHUgKmN1cnIgPSBjdXJyZW50OwogICAgIHN0cnVjdCBkb21haW4gKmQgPSB2LT5kb21haW47CiAg
ICAgc3RydWN0IG1zcl9kb21haW5fcG9saWN5ICpkcCA9IGQtPmFyY2gubXNyOwogICAgIHN0cnVj
dCBtc3JfdmNwdV9wb2xpY3kgKnZwID0gdi0+YXJjaC5tc3I7CkBAIC0xNzYsNyArMTc3LDcgQEAg
aW50IGd1ZXN0X3dybXNyKHN0cnVjdCB2Y3B1ICp2LCB1aW50MzJfdCBtc3IsIHVpbnQ2NF90IHZh
bCkKICAgICAgICAgdnAtPm1pc2NfZmVhdHVyZXNfZW5hYmxlcy5jcHVpZF9mYXVsdGluZyA9CiAg
ICAgICAgICAgICB2YWwgJiBNU1JfTUlTQ19GRUFUVVJFU19DUFVJRF9GQVVMVElORzsKIAotICAg
ICAgICBpZiAoIGlzX2h2bV9kb21haW4oZCkgJiYgY3B1X2hhc19jcHVpZF9mYXVsdGluZyAmJgor
ICAgICAgICBpZiAoIHYgPT0gY3VyciAmJiBpc19odm1fZG9tYWluKGQpICYmIGNwdV9oYXNfY3B1
aWRfZmF1bHRpbmcgJiYKICAgICAgICAgICAgICAob2xkX2NwdWlkX2ZhdWx0aW5nIF4gdnAtPm1p
c2NfZmVhdHVyZXNfZW5hYmxlcy5jcHVpZF9mYXVsdGluZykgKQogICAgICAgICAgICAgY3R4dF9z
d2l0Y2hfbGV2ZWxsaW5nKHYpOwogICAgICAgICBicmVhazsKZGlmZiAtLWdpdCBhL3hlbi9pbmNs
dWRlL2FzbS14ODYvbXNyLmggYi94ZW4vaW5jbHVkZS9hc20teDg2L21zci5oCmluZGV4IDc1MWZh
MjUuLjQxNzMyYTQgMTAwNjQ0Ci0tLSBhL3hlbi9pbmNsdWRlL2FzbS14ODYvbXNyLmgKKysrIGIv
eGVuL2luY2x1ZGUvYXNtLXg4Ni9tc3IuaApAQCAtMjMxLDYgKzIzMSw5IEBAIGludCBpbml0X3Zj
cHVfbXNyX3BvbGljeShzdHJ1Y3QgdmNwdSAqdik7CiAgKiBub3QgKHlldCkgaGFuZGxlZCBieSBp
dCBhbmQgbXVzdCBiZSBwcm9jZXNzZWQgYnkgbGVnYWN5IGhhbmRsZXJzLiBTdWNoCiAgKiBiZWhh
dmlvdXIgaXMgbmVlZGVkIGZvciB0cmFuc2l0aW9uIHBlcmlvZCB1bnRpbCBhbGwgcmQvd3Jtc3Ig
YXJlIGhhbmRsZWQKICAqIGJ5IHRoZSBuZXcgTVNSIGluZnJhc3RydWN0dXJlLgorICoKKyAqIFRo
ZXNlIGZ1bmN0aW9ucyBhcmUgYWxzbyB1c2VkIGJ5IHRoZSBtaWdyYXRpb24gbG9naWMsIHNvIG5l
ZWQgdG8gY29wZSB3aXRoCisgKiBiZWluZyB1c2VkIG91dHNpZGUgb2YgdidzIGNvbnRleHQuCiAg
Ki8KIGludCBndWVzdF9yZG1zcihjb25zdCBzdHJ1Y3QgdmNwdSAqdiwgdWludDMyX3QgbXNyLCB1
aW50NjRfdCAqdmFsKTsKIGludCBndWVzdF93cm1zcihzdHJ1Y3QgdmNwdSAqdiwgdWludDMyX3Qg
bXNyLCB1aW50NjRfdCB2YWwpOwotLSAKMi4xLjQKCgpfX19fX19fX19fX19fX19fX19fX19fX19f
X19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBs
aXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4v
bGlzdGluZm8veGVuLWRldmVs