From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 69DE9C33CA4 for ; Fri, 10 Jan 2020 12:24:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 40DD42082E for ; Fri, 10 Jan 2020 12:24:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728109AbgAJMYZ (ORCPT ); Fri, 10 Jan 2020 07:24:25 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:30678 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727965AbgAJMYZ (ORCPT ); Fri, 10 Jan 2020 07:24:25 -0500 Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 00ACMW5S149504 for ; Fri, 10 Jan 2020 07:24:23 -0500 Received: from e06smtp07.uk.ibm.com (e06smtp07.uk.ibm.com [195.75.94.103]) by mx0b-001b2d01.pphosted.com with ESMTP id 2xef1u9a5m-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 10 Jan 2020 07:24:23 -0500 Received: from localhost by e06smtp07.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 10 Jan 2020 12:24:21 -0000 Received: from b06cxnps4075.portsmouth.uk.ibm.com (9.149.109.197) by e06smtp07.uk.ibm.com (192.168.101.137) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 10 Jan 2020 12:24:18 -0000 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 00ACOHNb51642608 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 10 Jan 2020 12:24:17 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F0D2E52051; Fri, 10 Jan 2020 12:24:16 +0000 (GMT) Received: from localhost.localdomain (unknown [9.145.153.163]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id 8D52752052; Fri, 10 Jan 2020 12:24:16 +0000 (GMT) Subject: Re: [PATCH v7] KVM: s390: Add new reset vcpu API To: Thomas Huth , borntraeger@de.ibm.com Cc: kvm@vger.kernel.org, linux-s390@vger.kernel.org, david@redhat.com, cohuck@redhat.com References: <20200110114540.90713-1-frankja@linux.ibm.com> From: Janosch Frank Autocrypt: addr=frankja@linux.ibm.com; prefer-encrypt=mutual; keydata= mQINBFubpD4BEADX0uhkRhkj2AVn7kI4IuPY3A8xKat0ihuPDXbynUC77mNox7yvK3X5QBO6 qLqYr+qrG3buymJJRD9xkp4mqgasHdB5WR9MhXWKH08EvtvAMkEJLnqxgbqf8td3pCQ2cEpv 15mH49iKSmlTcJ+PvJpGZcq/jE42u9/0YFHhozm8GfQdb9SOI/wBSsOqcXcLTUeAvbdqSBZe zuMRBivJQQI1esD9HuADmxdE7c4AeMlap9MvxvUtWk4ZJ/1Z3swMVCGzZb2Xg/9jZpLsyQzb lDbbTlEeyBACeED7DYLZI3d0SFKeJZ1SUyMmSOcr9zeSh4S4h4w8xgDDGmeDVygBQZa1HaoL Esb8Y4avOYIgYDhgkCh0nol7XQ5i/yKLtnNThubAcxNyryw1xSstnKlxPRoxtqTsxMAiSekk 0m3WJwvwd1s878HrQNK0orWd8BzzlSswzjNfQYLF466JOjHPWFOok9pzRs+ucrs6MUwDJj0S cITWU9Rxb04XyigY4XmZ8dywaxwi2ZVTEg+MD+sPmRrTw+5F+sU83cUstuymF3w1GmyofgsU Z+/ldjToHnq21MNa1wx0lCEipCCyE/8K9B9bg9pUwy5lfx7yORP3JuAUfCYb8DVSHWBPHKNj HTOLb2g2UT65AjZEQE95U2AY9iYm5usMqaWD39pAHfhC09/7NQARAQABtCVKYW5vc2NoIEZy YW5rIDxmcmFua2phQGxpbnV4LmlibS5jb20+iQI3BBMBCAAhBQJbm6Q+AhsjBQsJCAcCBhUI CQoLAgQWAgMBAh4BAheAAAoJEONU5rjiOLn4p9gQALjkdj5euJVI2nNT3/IAxAhQSmRhPEt0 AmnCYnuTcHRWPujNr5kqgtyER9+EMQ0ZkX44JU2q7OWxTdSNSAN/5Z7qmOR9JySvDOf4d3mS bMB5zxL9d8SbnSs1uW96H9ZBTlTQnmLfsiM9TetAjSrR8nUmjGhe2YUhJLR1v1LguME+YseT eXnLzIzqqpu311/eYiiIGcmaOjPCE+vFjcXL5oLnGUE73qSYiujwhfPCCUK0850o1fUAYq5p CNBCoKT4OddZR+0itKc/cT6NwEDwdokeg0+rAhxb4Rv5oFO70lziBplEjOxu3dqgIKbHbjza EXTb+mr7VI9O4tTdqrwJo2q9zLqqOfDBi7NDvZFLzaCewhbdEpDYVu6/WxprAY94hY3F4trT rQMHJKQENtF6ZTQc9fcT5I3gAmP+OEvDE5hcTALpWm6Z6SzxO7gEYCnF+qGXqp8sJVrweMub UscyLqHoqdZC2UG4LQ1OJ97nzDpIRe0g6oJ9ZIYHKmfw5jjwH6rASTld5MFWajWdNsqK15k/ RZnHAGICKVIBOBsq26m4EsBlfCdt3b/6emuBjUXR1pyjHMz2awWzCq6/6OWs5eANZ0sdosNq dq2v0ULYTazJz2rlCXV89qRa7ukkNwdBSZNEwsD4eEMicj1LSrqWDZMAALw50L4jxaMD7lPL jJbauQINBFubpD4BEADAcUTRqXF/aY53OSH7IwIK9lFKxIm0IoFkOEh7LMfp7FGzaP7ANrZd cIzhZi38xyOkcaFY+npGEWvko7rlIAn0JpBO4x3hfhmhBD/WSY8LQIFQNNjEm3vzrMo7b9Jb JAqQxfbURY3Dql3GUzeWTG9uaJ00u+EEPlY8zcVShDltIl5PLih20e8xgTnNzx5c110lQSu0 iZv2lAE6DM+2bJQTsMSYiwKlwTuv9LI9Chnoo6+tsN55NqyMxYqJgElk3VzlTXSr3+rtSCwf tq2cinETbzxc1XuhIX6pu/aCGnNfuEkM34b7G1D6CPzDMqokNFbyoO6DQ1+fW6c5gctXg/lZ 602iEl4C4rgcr3+EpfoPUWzKeM8JXv5Kpq4YDxhvbitr8Dm8gr38+UKFZKlWLlwhQ56r/zAU v6LIsm11GmFs2/cmgD1bqBTNHHcTWwWtRTLgmnqJbVisMJuYJt4KNPqphTWsPY8SEtbufIlY HXOJ2lqUzOReTrie2u0qcSvGAbSfec9apTFl2Xko/ddqPcZMpKhBiXmY8tJzSPk3+G4tqur4 6TYAm5ouitJsgAR61Cu7s+PNuq/pTLDhK+6/Njmc94NGBcRA4qTuysEGE79vYWP2oIAU4Fv6 gqaWHZ4MEI2XTqH8wiwzPdCQPYsSE0fXWiYu7ObeErT6iLSTZGx4rQARAQABiQIfBBgBCAAJ BQJbm6Q+AhsMAAoJEONU5rjiOLn4DDEP/RuyckW65SZcPG4cMfNgWxZF8rVjeVl/9PBfy01K 8R0hajU40bWtXSMiby7j0/dMjz99jN6L+AJHJvrLz4qYRzn2Ys843W+RfXj62Zde4YNBE5SL jJweRCbMWKaJLj6499fctxTyeb9+AMLQS4yRSwHuAZLmAb5AyCW1gBcTWZb8ON5BmWnRqeGm IgC1EvCnHy++aBnHTn0m+zV89BhTLTUal35tcjUFwluBY39R2ux/HNlBO1GY3Z+WYXhBvq7q katThLjaQSmnOrMhzqYmdShP1leFTVbzXUUIYv/GbynO/YrL2gaQpaP1bEUEi8lUAfXJbEWG dnHFkciryi092E8/9j89DJg4mmZqOau7TtUxjRMlBcIliXkzSLUk+QvD4LK1kWievJse4mte FBdkWHfP4BH/+8DxapRcG1UAheSnSRQ5LiO50annOB7oXF+vgKIaie2TBfZxQNGAs3RQ+bga DchCqFm5adiSP5+OT4NjkKUeGpBe/aRyQSle/RropTgCi85pje/juYEn2P9UAgkfBJrOHvQ9 Z+2Sva8FRd61NJLkCJ4LFumRn9wQlX2icFbi8UDV3do0hXJRRYTWCxrHscMhkrFWLhYiPF4i phX7UNdOWBQ90qpHyAxHmDazdo27gEjfvsgYMdveKknEOTEb5phwxWgg7BcIDoJf9UMC Date: Fri, 10 Jan 2020 13:24:16 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="fbInxgi8zL8sS9XwYBpfcgOLDUzy8i4dp" X-TM-AS-GCONF: 00 x-cbid: 20011012-0028-0000-0000-000003CFF678 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20011012-0029-0000-0000-000024940EE1 Message-Id: <2d7610ee-e507-37f1-50c3-fe651499196d@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-01-10_01:2020-01-10,2020-01-09 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 spamscore=0 priorityscore=1501 lowpriorityscore=0 mlxlogscore=999 malwarescore=0 suspectscore=0 clxscore=1015 adultscore=0 mlxscore=0 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-2001100107 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --fbInxgi8zL8sS9XwYBpfcgOLDUzy8i4dp Content-Type: multipart/mixed; boundary="hm2Rcg3P5CRUjpgJA8b5kBP2f2Kge4Gj5" --hm2Rcg3P5CRUjpgJA8b5kBP2f2Kge4Gj5 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 1/10/20 1:11 PM, Thomas Huth wrote: > On 10/01/2020 12.45, Janosch Frank wrote: >> The architecture states that we need to reset local IRQs for all CPU >> resets. Because the old reset interface did not support the normal CPU= >> reset we never did that on a normal reset. >> >> Let's implement an interface for the missing normal and clear resets >> and reset all local IRQs, registers and control structures as stated >> in the architecture. >> >> Userspace might already reset the registers via the vcpu run struct, >> but as we need the interface for the interrupt clearing part anyway, >> we implement the resets fully and don't rely on userspace to reset the= >> rest. >> >> Signed-off-by: Janosch Frank >> Reviewed-by: Cornelia Huck >> --- >> Documentation/virt/kvm/api.txt | 43 +++++++++++++ >> arch/s390/kvm/kvm-s390.c | 112 +++++++++++++++++++++++---------= - >> include/uapi/linux/kvm.h | 5 ++ >> 3 files changed, 127 insertions(+), 33 deletions(-) >> >> diff --git a/Documentation/virt/kvm/api.txt b/Documentation/virt/kvm/a= pi.txt >> index ebb37b34dcfc..73448764f544 100644 >> --- a/Documentation/virt/kvm/api.txt >> +++ b/Documentation/virt/kvm/api.txt >> @@ -4168,6 +4168,42 @@ This ioctl issues an ultravisor call to termina= te the secure guest, >> unpins the VPA pages and releases all the device pages that are used = to >> track the secure pages by hypervisor. >> =20 >> +4.122 KVM_S390_NORMAL_RESET >> + >> +Capability: KVM_CAP_S390_VCPU_RESETS >> +Architectures: s390 >> +Type: vcpu ioctl >> +Parameters: none >> +Returns: 0 >> + >> +This ioctl resets VCPU registers and control structures according to >> +the cpu reset definition in the POP (Principles Of Operation). >> + >> +4.123 KVM_S390_INITIAL_RESET >> + >> +Capability: none >> +Architectures: s390 >> +Type: vcpu ioctl >> +Parameters: none >> +Returns: 0 >> + >> +This ioctl resets VCPU registers and control structures according to >> +the initial cpu reset definition in the POP. However, the cpu is not >> +put into ESA mode. This reset is a superset of the normal reset. >> + >> +4.124 KVM_S390_CLEAR_RESET >> + >> +Capability: KVM_CAP_S390_VCPU_RESETS >> +Architectures: s390 >> +Type: vcpu ioctl >> +Parameters: none >> +Returns: 0 >> + >> +This ioctl resets VCPU registers and control structures according to >> +the clear cpu reset definition in the POP. However, the cpu is not pu= t >> +into ESA mode. This reset is a superset of the initial reset. >> + >> + >> 5. The kvm_run structure >> ------------------------ >> =20 >> @@ -5396,3 +5432,10 @@ handling by KVM (as some KVM hypercall may be m= istakenly treated as TLB >> flush hypercalls by Hyper-V) so userspace should disable KVM identifi= cation >> in CPUID and only exposes Hyper-V identification. In this case, guest= >> thinks it's running on Hyper-V and only use Hyper-V hypercalls. >> + >> +8.22 KVM_CAP_S390_VCPU_RESETS >> + >> +Architectures: s390 >> + >> +This capability indicates that the KVM_S390_NORMAL_RESET and >> +KVM_S390_CLEAR_RESET ioctls are available. >> diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c >> index d9e6bf3d54f0..5640f3d6f98d 100644 >> --- a/arch/s390/kvm/kvm-s390.c >> +++ b/arch/s390/kvm/kvm-s390.c >> @@ -529,6 +529,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, = long ext) >> case KVM_CAP_S390_CMMA_MIGRATION: >> case KVM_CAP_S390_AIS: >> case KVM_CAP_S390_AIS_MIGRATION: >> + case KVM_CAP_S390_VCPU_RESETS: >> r =3D 1; >> break; >> case KVM_CAP_S390_HPAGE_1M: >> @@ -2844,35 +2845,6 @@ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) >> =20 >> } >> =20 >> -static void kvm_s390_vcpu_initial_reset(struct kvm_vcpu *vcpu) >> -{ >> - /* this equals initial cpu reset in pop, but we don't switch to ESA = */ >> - vcpu->arch.sie_block->gpsw.mask =3D 0UL; >> - vcpu->arch.sie_block->gpsw.addr =3D 0UL; >> - kvm_s390_set_prefix(vcpu, 0); >> - kvm_s390_set_cpu_timer(vcpu, 0); >> - vcpu->arch.sie_block->ckc =3D 0UL; >> - vcpu->arch.sie_block->todpr =3D 0; >> - memset(vcpu->arch.sie_block->gcr, 0, 16 * sizeof(__u64)); >> - vcpu->arch.sie_block->gcr[0] =3D CR0_UNUSED_56 | >> - CR0_INTERRUPT_KEY_SUBMASK | >> - CR0_MEASUREMENT_ALERT_SUBMASK; >> - vcpu->arch.sie_block->gcr[14] =3D CR14_UNUSED_32 | >> - CR14_UNUSED_33 | >> - CR14_EXTERNAL_DAMAGE_SUBMASK; >> - /* make sure the new fpc will be lazily loaded */ >> - save_fpu_regs(); >> - current->thread.fpu.fpc =3D 0; >> - vcpu->arch.sie_block->gbea =3D 1; >> - vcpu->arch.sie_block->pp =3D 0; >> - vcpu->arch.sie_block->fpf &=3D ~FPF_BPBC; >> - vcpu->arch.pfault_token =3D KVM_S390_PFAULT_TOKEN_INVALID; >> - kvm_clear_async_pf_completion_queue(vcpu); >> - if (!kvm_s390_user_cpu_state_ctrl(vcpu->kvm)) >> - kvm_s390_vcpu_stop(vcpu); >> - kvm_s390_clear_local_irqs(vcpu); >> -} >> - >> void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu) >> { >> mutex_lock(&vcpu->kvm->lock); >> @@ -3287,10 +3259,75 @@ static int kvm_arch_vcpu_ioctl_set_one_reg(str= uct kvm_vcpu *vcpu, >> return r; >> } >> =20 >> -static int kvm_arch_vcpu_ioctl_initial_reset(struct kvm_vcpu *vcpu) >> +static void kvm_arch_vcpu_ioctl_normal_reset(struct kvm_vcpu *vcpu) >> { >> - kvm_s390_vcpu_initial_reset(vcpu); >> - return 0; >> + vcpu->arch.sie_block->gpsw.mask =3D ~PSW_MASK_RI; >> + vcpu->arch.pfault_token =3D KVM_S390_PFAULT_TOKEN_INVALID; >> + memset(vcpu->run->s.regs.riccb, 0, sizeof(vcpu->run->s.regs.riccb));= >> + >> + kvm_clear_async_pf_completion_queue(vcpu); >> + if (!kvm_s390_user_cpu_state_ctrl(vcpu->kvm)) >> + kvm_s390_vcpu_stop(vcpu); >> + kvm_s390_clear_local_irqs(vcpu); >> +} >> + >> +static void kvm_arch_vcpu_ioctl_initial_reset(struct kvm_vcpu *vcpu) >> +{ >> + /* Initial reset is a superset of the normal reset */ >> + kvm_arch_vcpu_ioctl_normal_reset(vcpu); >> + >> + /* this equals initial cpu reset in pop, but we don't switch to ESA = */ >> + vcpu->arch.sie_block->gpsw.mask =3D 0UL; >> + vcpu->arch.sie_block->gpsw.addr =3D 0UL; >> + kvm_s390_set_prefix(vcpu, 0); >> + kvm_s390_set_cpu_timer(vcpu, 0); >> + vcpu->arch.sie_block->ckc =3D 0UL; >> + vcpu->arch.sie_block->todpr =3D 0; >> + memset(vcpu->arch.sie_block->gcr, 0, 16 * sizeof(__u64)); >> + vcpu->arch.sie_block->gcr[0] =3D CR0_UNUSED_56 | >> + CR0_INTERRUPT_KEY_SUBMASK | >> + CR0_MEASUREMENT_ALERT_SUBMASK; >> + vcpu->arch.sie_block->gcr[14] =3D CR14_UNUSED_32 | >> + CR14_UNUSED_33 | >> + CR14_EXTERNAL_DAMAGE_SUBMASK; >> + /* make sure the new fpc will be lazily loaded */ >> + save_fpu_regs(); >> + current->thread.fpu.fpc =3D 0; >> + vcpu->arch.sie_block->gbea =3D 1; >> + vcpu->arch.sie_block->pp =3D 0; >> + vcpu->arch.sie_block->fpf &=3D ~FPF_BPBC; >> +} >> + >> +static void kvm_arch_vcpu_ioctl_clear_reset(struct kvm_vcpu *vcpu) >> +{ >> + struct kvm_sync_regs *regs =3D &vcpu->run->s.regs; >> + >> + /* Clear reset is a superset of the initial reset */ >> + kvm_arch_vcpu_ioctl_normal_reset(vcpu); >=20 > s/kvm_arch_vcpu_ioctl_normal_reset/kvm_arch_vcpu_ioctl_initial_reset/ -_- It seems like my vacation was not enough... >=20 >> + memset(®s->gprs, 0, sizeof(regs->gprs)); >> + /* Will be picked up because of save_fpu_regs() in the initial reset= */ >> + memset(¤t->thread.fpu.vxrs, 0, sizeof(current->thread.fpu.vxrs= )); >=20 > I'm still not 100% sure about whether current->thread.fpu.vxrs is alway= s > fine here? But I hope Christian can give an ACK for that... >=20 > Thomas >=20 --hm2Rcg3P5CRUjpgJA8b5kBP2f2Kge4Gj5-- --fbInxgi8zL8sS9XwYBpfcgOLDUzy8i4dp Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEwGNS88vfc9+v45Yq41TmuOI4ufgFAl4YbPAACgkQ41TmuOI4 ufip1RAAqwg/QLYCGS8+X9Bf6Mp3caZgm6mwjWglW/6I/7dYpne+4FrzutIzFK92 q/XoX4Y3GRYx2QncEdIcYvGd1UOw7z+5wpJtWrwEO8lrhh82A/M2tBpDyfwKZfAI 3EH4sngf9+7vN+LJbll8KN5bWeNpxtXZjWokdb05GCYT8jFWo034qo2I5yQQr6wS B71FGbAw07rgkAoLDMDkc8YOLCZwi7Pu8wDtZxgDYbFNyBbbZK9CEFI5UMCUiRmO hTTUmkPn9njbAmBUJlnlc2MqwbQsrOlSdZBoXVJX+hFT8FFM4Hwen7tiVEQ5kmyJ YheWbs1FSAW0C3vUX/hoTJq48c/q+1nO3iZ8bqzUQw0wBjdaWiyz8lfUSsmP8bpt IHdexHWfhQUMSBVAUwiMsiCgGGIjWNV5ma6/RsaL9HWYL2nN5dza94o7+dBvFo2T Hhj1mIREh8Ki2OnjTlXu8b0VnVwmUn8upQVxbLqtnlcv9uxYaopr4YdwRwjY8790 ckUYa/Rk8/bpnNcfsljr6r3WHk1Zp6P57wKONCYHfyGXftcBFbAo8mc8NuyD/1r9 rPV436kPamDJFGa9Le6mWRLL6djhzKRozoF+ISJsvqVp5kV07p2AQ6bFvjchFM+V w5JR3oQukd0QjGrHC5++Np6fidoPTbQ7W4exw8e9wT96QY/B20s= =Q5tx -----END PGP SIGNATURE----- --fbInxgi8zL8sS9XwYBpfcgOLDUzy8i4dp--