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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS 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 7B440C43381 for ; Thu, 7 Mar 2019 13:23:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3410C2083D for ; Thu, 7 Mar 2019 13:23:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726379AbfCGNX4 (ORCPT ); Thu, 7 Mar 2019 08:23:56 -0500 Received: from mx1.redhat.com ([209.132.183.28]:39490 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726254AbfCGNXz (ORCPT ); Thu, 7 Mar 2019 08:23:55 -0500 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9D78F30EBE70; Thu, 7 Mar 2019 13:23:54 +0000 (UTC) Received: from [10.18.17.32] (dhcp-17-32.bos.redhat.com [10.18.17.32]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2278D5D783; Thu, 7 Mar 2019 13:23:20 +0000 (UTC) Subject: Re: [RFC][Patch v9 3/6] KVM: Enables the kernel to report isolated pages To: Alexander Duyck Cc: kvm list , LKML , linux-mm , Paolo Bonzini , lcapitulino@redhat.com, pagupta@redhat.com, wei.w.wang@intel.com, Yang Zhang , Rik van Riel , David Hildenbrand , "Michael S. Tsirkin" , dodgen@google.com, Konrad Rzeszutek Wilk , dhildenb@redhat.com, Andrea Arcangeli References: <20190306155048.12868-1-nitesh@redhat.com> <20190306155048.12868-4-nitesh@redhat.com> From: Nitesh Narayan Lal Openpgp: preference=signencrypt Autocrypt: addr=nitesh@redhat.com; prefer-encrypt=mutual; keydata= mQINBFl4pQoBEADT/nXR2JOfsCjDgYmE2qonSGjkM1g8S6p9UWD+bf7YEAYYYzZsLtbilFTe z4nL4AV6VJmC7dBIlTi3Mj2eymD/2dkKP6UXlliWkq67feVg1KG+4UIp89lFW7v5Y8Muw3Fm uQbFvxyhN8n3tmhRe+ScWsndSBDxYOZgkbCSIfNPdZrHcnOLfA7xMJZeRCjqUpwhIjxQdFA7 n0s0KZ2cHIsemtBM8b2WXSQG9CjqAJHVkDhrBWKThDRF7k80oiJdEQlTEiVhaEDURXq+2XmG jpCnvRQDb28EJSsQlNEAzwzHMeplddfB0vCg9fRk/kOBMDBtGsTvNT9OYUZD+7jaf0gvBvBB lbKmmMMX7uJB+ejY7bnw6ePNrVPErWyfHzR5WYrIFUtgoR3LigKnw5apzc7UIV9G8uiIcZEn C+QJCK43jgnkPcSmwVPztcrkbC84g1K5v2Dxh9amXKLBA1/i+CAY8JWMTepsFohIFMXNLj+B RJoOcR4HGYXZ6CAJa3Glu3mCmYqHTOKwezJTAvmsCLd3W7WxOGF8BbBjVaPjcZfavOvkin0u DaFvhAmrzN6lL0msY17JCZo046z8oAqkyvEflFbC0S1R/POzehKrzQ1RFRD3/YzzlhmIowkM BpTqNBeHEzQAlIhQuyu1ugmQtfsYYq6FPmWMRfFPes/4JUU/PQARAQABtCVOaXRlc2ggTmFy YXlhbiBMYWwgPG5pbGFsQHJlZGhhdC5jb20+iQI9BBMBCAAnBQJZeKUKAhsjBQkJZgGABQsJ CAcCBhUICQoLAgQWAgMBAh4BAheAAAoJEKOGQNwGMqM56lEP/A2KMs/pu0URcVk/kqVwcBhU SnvB8DP3lDWDnmVrAkFEOnPX7GTbactQ41wF/xwjwmEmTzLrMRZpkqz2y9mV0hWHjqoXbOCS 6RwK3ri5e2ThIPoGxFLt6TrMHgCRwm8YuOSJ97o+uohCTN8pmQ86KMUrDNwMqRkeTRW9wWIQ EdDqW44VwelnyPwcmWHBNNb1Kd8j3xKlHtnS45vc6WuoKxYRBTQOwI/5uFpDZtZ1a5kq9Ak/ MOPDDZpd84rqd+IvgMw5z4a5QlkvOTpScD21G3gjmtTEtyfahltyDK/5i8IaQC3YiXJCrqxE r7/4JMZeOYiKpE9iZMtS90t4wBgbVTqAGH1nE/ifZVAUcCtycD0f3egX9CHe45Ad4fsF3edQ ESa5tZAogiA4Hc/yQpnnf43a3aQ67XPOJXxS0Qptzu4vfF9h7kTKYWSrVesOU3QKYbjEAf95 NewF9FhAlYqYrwIwnuAZ8TdXVDYt7Z3z506//sf6zoRwYIDA8RDqFGRuPMXUsoUnf/KKPrtR ceLcSUP/JCNiYbf1/QtW8S6Ca/4qJFXQHp0knqJPGmwuFHsarSdpvZQ9qpxD3FnuPyo64S2N Dfq8TAeifNp2pAmPY2PAHQ3nOmKgMG8Gn5QiORvMUGzSz8Lo31LW58NdBKbh6bci5+t/HE0H pnyVf5xhNC/FuQINBFl4pQoBEACr+MgxWHUP76oNNYjRiNDhaIVtnPRqxiZ9v4H5FPxJy9UD Bqr54rifr1E+K+yYNPt/Po43vVL2cAyfyI/LVLlhiY4yH6T1n+Di/hSkkviCaf13gczuvgz4 KVYLwojU8+naJUsiCJw01MjO3pg9GQ+47HgsnRjCdNmmHiUQqksMIfd8k3reO9SUNlEmDDNB XuSzkHjE5y/R/6p8uXaVpiKPfHoULjNRWaFc3d2JGmxJpBdpYnajoz61m7XJlgwl/B5Ql/6B dHGaX3VHxOZsfRfugwYF9CkrPbyO5PK7yJ5vaiWre7aQ9bmCtXAomvF1q3/qRwZp77k6i9R3 tWfXjZDOQokw0u6d6DYJ0Vkfcwheg2i/Mf/epQl7Pf846G3PgSnyVK6cRwerBl5a68w7xqVU 4KgAh0DePjtDcbcXsKRT9D63cfyfrNE+ea4i0SVik6+N4nAj1HbzWHTk2KIxTsJXypibOKFX 2VykltxutR1sUfZBYMkfU4PogE7NjVEU7KtuCOSAkYzIWrZNEQrxYkxHLJsWruhSYNRsqVBy KvY6JAsq/i5yhVd5JKKU8wIOgSwC9P6mXYRgwPyfg15GZpnw+Fpey4bCDkT5fMOaCcS+vSU1 UaFmC4Ogzpe2BW2DOaPU5Ik99zUFNn6cRmOOXArrryjFlLT5oSOe4IposgWzdwARAQABiQIl BBgBCAAPBQJZeKUKAhsMBQkJZgGAAAoJEKOGQNwGMqM5ELoP/jj9d9gF1Al4+9bngUlYohYu 0sxyZo9IZ7Yb7cHuJzOMqfgoP4tydP4QCuyd9Q2OHHL5AL4VFNb8SvqAxxYSPuDJTI3JZwI7 d8JTPKwpulMSUaJE8ZH9n8A/+sdC3CAD4QafVBcCcbFe1jifHmQRdDrvHV9Es14QVAOTZhnJ vweENyHEIxkpLsyUUDuVypIo6y/Cws+EBCWt27BJi9GH/EOTB0wb+2ghCs/i3h8a+bi+bS7L FCCm/AxIqxRurh2UySn0P/2+2eZvneJ1/uTgfxnjeSlwQJ1BWzMAdAHQO1/lnbyZgEZEtUZJ x9d9ASekTtJjBMKJXAw7GbB2dAA/QmbA+Q+Xuamzm/1imigz6L6sOt2n/X/SSc33w8RJUyor SvAIoG/zU2Y76pKTgbpQqMDmkmNYFMLcAukpvC4ki3Sf086TdMgkjqtnpTkEElMSFJC8npXv 3QnGGOIfFug/qs8z03DLPBz9VYS26jiiN7QIJVpeeEdN/LKnaz5LO+h5kNAyj44qdF2T2AiF HxnZnxO5JNP5uISQH3FjxxGxJkdJ8jKzZV7aT37sC+Rp0o3KNc+GXTR+GSVq87Xfuhx0LRST NK9ZhT0+qkiN7npFLtNtbzwqaqceq3XhafmCiw8xrtzCnlB/C4SiBr/93Ip4kihXJ0EuHSLn VujM7c/b4pps Organization: Red Hat Inc, Message-ID: <7e1d0731-46e8-443e-7c37-62999fcb5642@redhat.com> Date: Thu, 7 Mar 2019 08:23:11 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="COJYhzE626r78ogLRs1o91zqQ8RbiIzvS" X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.46]); Thu, 07 Mar 2019 13:23:54 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --COJYhzE626r78ogLRs1o91zqQ8RbiIzvS Content-Type: multipart/mixed; boundary="ONVDPkgYTEpnzsc7KMu6PgbAFFhIVYh8G"; protected-headers="v1" From: Nitesh Narayan Lal To: Alexander Duyck Cc: kvm list , LKML , linux-mm , Paolo Bonzini , lcapitulino@redhat.com, pagupta@redhat.com, wei.w.wang@intel.com, Yang Zhang , Rik van Riel , David Hildenbrand , "Michael S. Tsirkin" , dodgen@google.com, Konrad Rzeszutek Wilk , dhildenb@redhat.com, Andrea Arcangeli Message-ID: <7e1d0731-46e8-443e-7c37-62999fcb5642@redhat.com> Subject: Re: [RFC][Patch v9 3/6] KVM: Enables the kernel to report isolated pages References: <20190306155048.12868-1-nitesh@redhat.com> <20190306155048.12868-4-nitesh@redhat.com> In-Reply-To: --ONVDPkgYTEpnzsc7KMu6PgbAFFhIVYh8G Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US On 3/6/19 4:30 PM, Alexander Duyck wrote: > On Wed, Mar 6, 2019 at 7:51 AM Nitesh Narayan Lal w= rote: >> This patch enables the kernel to report the isolated pages >> to the host via virtio balloon driver. >> In order to do so a new virtuqeue (hinting_vq) is added to the >> virtio balloon driver. As the host responds back after freeing >> the pages, all the isolated pages are returned back to the buddy >> via __free_one_page(). >> >> Signed-off-by: Nitesh Narayan Lal > I ran into a few build issues due to this patch. Comments below. > >> --- >> drivers/virtio/virtio_balloon.c | 72 ++++++++++++++++++++++++++++= - >> include/linux/page_hinting.h | 4 ++ >> include/uapi/linux/virtio_balloon.h | 8 ++++ >> virt/kvm/page_hinting.c | 18 ++++++-- >> 4 files changed, 98 insertions(+), 4 deletions(-) >> >> diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_b= alloon.c >> index 728ecd1eea30..cfe7574b5204 100644 >> --- a/drivers/virtio/virtio_balloon.c >> +++ b/drivers/virtio/virtio_balloon.c >> @@ -57,13 +57,15 @@ enum virtio_balloon_vq { >> VIRTIO_BALLOON_VQ_INFLATE, >> VIRTIO_BALLOON_VQ_DEFLATE, >> VIRTIO_BALLOON_VQ_STATS, >> + VIRTIO_BALLOON_VQ_HINTING, >> VIRTIO_BALLOON_VQ_FREE_PAGE, >> VIRTIO_BALLOON_VQ_MAX >> }; >> >> struct virtio_balloon { >> struct virtio_device *vdev; >> - struct virtqueue *inflate_vq, *deflate_vq, *stats_vq, *free_pa= ge_vq; >> + struct virtqueue *inflate_vq, *deflate_vq, *stats_vq, *free_pa= ge_vq, >> + *hinti= ng_vq; >> >> /* Balloon's own wq for cpu-intensive work items */ >> struct workqueue_struct *balloon_wq; >> @@ -122,6 +124,56 @@ static struct virtio_device_id id_table[] =3D { >> { 0 }, >> }; >> >> +#ifdef CONFIG_KVM_FREE_PAGE_HINTING >> +int virtballoon_page_hinting(struct virtio_balloon *vb, >> + void *hinting_req, >> + int entries) >> +{ >> + struct scatterlist sg; >> + struct virtqueue *vq =3D vb->hinting_vq; >> + int err; >> + int unused; >> + struct virtio_balloon_hint_req *hint_req; >> + u64 gpaddr; >> + >> + hint_req =3D kmalloc(sizeof(struct virtio_balloon_hint_req), G= FP_KERNEL); >> + while (virtqueue_get_buf(vq, &unused)) >> + ; >> + >> + gpaddr =3D virt_to_phys(hinting_req); >> + hint_req->phys_addr =3D cpu_to_virtio64(vb->vdev, gpaddr); >> + hint_req->count =3D cpu_to_virtio32(vb->vdev, entries); >> + sg_init_one(&sg, hint_req, sizeof(struct virtio_balloon_hint_r= eq)); >> + err =3D virtqueue_add_outbuf(vq, &sg, 1, hint_req, GFP_KERNEL)= ; >> + if (!err) >> + virtqueue_kick(vb->hinting_vq); >> + else >> + kfree(hint_req); >> + return err; >> +} >> + >> +static void hinting_ack(struct virtqueue *vq) >> +{ >> + int len =3D sizeof(struct virtio_balloon_hint_req); >> + struct virtio_balloon_hint_req *hint_req =3D virtqueue_get_buf= (vq, &len); >> + void *v_addr =3D phys_to_virt(hint_req->phys_addr); >> + >> + release_buddy_pages(v_addr, hint_req->count); >> + kfree(hint_req); >> +} >> + > You use release_buddy_pages here, but never exported it in the call > down below. Since this can be built as a module and I believe the page > hinting can be built either into the kernel or as a seperate module > shouldn't you be exporting it? Thanks for pointing this out. > >> +static void enable_hinting(struct virtio_balloon *vb) >> +{ >> + request_hypercall =3D (void *)&virtballoon_page_hinting; >> + balloon_ptr =3D vb; >> +} >> + >> +static void disable_hinting(void) >> +{ >> + balloon_ptr =3D NULL; >> +} >> +#endif >> + >> static u32 page_to_balloon_pfn(struct page *page) >> { >> unsigned long pfn =3D page_to_pfn(page); >> @@ -481,6 +533,7 @@ static int init_vqs(struct virtio_balloon *vb) >> names[VIRTIO_BALLOON_VQ_DEFLATE] =3D "deflate"; >> names[VIRTIO_BALLOON_VQ_STATS] =3D NULL; >> names[VIRTIO_BALLOON_VQ_FREE_PAGE] =3D NULL; >> + names[VIRTIO_BALLOON_VQ_HINTING] =3D NULL; >> >> if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_STATS_VQ)) {= >> names[VIRTIO_BALLOON_VQ_STATS] =3D "stats"; >> @@ -492,11 +545,18 @@ static int init_vqs(struct virtio_balloon *vb) >> callbacks[VIRTIO_BALLOON_VQ_FREE_PAGE] =3D NULL; >> } >> >> + if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_HINTING)) { >> + names[VIRTIO_BALLOON_VQ_HINTING] =3D "hinting_vq"; >> + callbacks[VIRTIO_BALLOON_VQ_HINTING] =3D hinting_ack; >> + } >> err =3D vb->vdev->config->find_vqs(vb->vdev, VIRTIO_BALLOON_VQ= _MAX, >> vqs, callbacks, names, NULL, = NULL); >> if (err) >> return err; >> >> + if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_HINTING)) >> + vb->hinting_vq =3D vqs[VIRTIO_BALLOON_VQ_HINTING]; >> + >> vb->inflate_vq =3D vqs[VIRTIO_BALLOON_VQ_INFLATE]; >> vb->deflate_vq =3D vqs[VIRTIO_BALLOON_VQ_DEFLATE]; >> if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_STATS_VQ)) {= >> @@ -908,6 +968,11 @@ static int virtballoon_probe(struct virtio_device= *vdev) >> if (err) >> goto out_del_balloon_wq; >> } >> + >> +#ifdef CONFIG_KVM_FREE_PAGE_HINTING >> + if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_HINTING)) >> + enable_hinting(vb); >> +#endif >> virtio_device_ready(vdev); >> >> if (towards_target(vb)) >> @@ -950,6 +1015,10 @@ static void virtballoon_remove(struct virtio_dev= ice *vdev) >> cancel_work_sync(&vb->update_balloon_size_work); >> cancel_work_sync(&vb->update_balloon_stats_work); >> >> +#ifdef CONFIG_KVM_FREE_PAGE_HINTING >> + if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_HINTING)) >> + disable_hinting(); >> +#endif >> if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_FREE_PAGE_HINT))= { >> cancel_work_sync(&vb->report_free_page_work); >> destroy_workqueue(vb->balloon_wq); >> @@ -1009,6 +1078,7 @@ static unsigned int features[] =3D { >> VIRTIO_BALLOON_F_MUST_TELL_HOST, >> VIRTIO_BALLOON_F_STATS_VQ, >> VIRTIO_BALLOON_F_DEFLATE_ON_OOM, >> + VIRTIO_BALLOON_F_HINTING, >> VIRTIO_BALLOON_F_FREE_PAGE_HINT, >> VIRTIO_BALLOON_F_PAGE_POISON, >> }; >> diff --git a/include/linux/page_hinting.h b/include/linux/page_hinting= =2Eh >> index d554a2581826..a32af8851081 100644 >> --- a/include/linux/page_hinting.h >> +++ b/include/linux/page_hinting.h >> @@ -11,6 +11,8 @@ >> #define HINTING_THRESHOLD 128 >> #define FREE_PAGE_HINTING_MIN_ORDER (MAX_ORDER - 1) >> >> +extern void *balloon_ptr; >> + >> void guest_free_page_enqueue(struct page *page, int order); >> void guest_free_page_try_hinting(void); >> extern int __isolate_free_page(struct page *page, unsigned int order)= ; >> @@ -18,3 +20,5 @@ extern void __free_one_page(struct page *page, unsig= ned long pfn, >> struct zone *zone, unsigned int order, >> int migratetype); >> void release_buddy_pages(void *obj_to_free, int entries); >> +extern int (*request_hypercall)(void *balloon_ptr, >> + void *hinting_req, int entries); >> diff --git a/include/uapi/linux/virtio_balloon.h b/include/uapi/linux/= virtio_balloon.h >> index a1966cd7b677..a7e909d77447 100644 >> --- a/include/uapi/linux/virtio_balloon.h >> +++ b/include/uapi/linux/virtio_balloon.h >> @@ -29,6 +29,7 @@ >> #include >> #include >> #include >> +#include >> >> /* The feature bitmap for virtio balloon */ >> #define VIRTIO_BALLOON_F_MUST_TELL_HOST 0 /* Tell before recla= iming pages */ > So I am pretty sure that this isn't valid. You have a file in > include/uapi/linux referencing one in include/linux. As such when the > userspace headers are built off of this they cannot access the kernel > include file. > >> @@ -36,6 +37,7 @@ >> #define VIRTIO_BALLOON_F_DEFLATE_ON_OOM 2 /* Deflate balloon o= n OOM */ >> #define VIRTIO_BALLOON_F_FREE_PAGE_HINT 3 /* VQ to report free= pages */ >> #define VIRTIO_BALLOON_F_PAGE_POISON 4 /* Guest is using page poiso= ning */ >> +#define VIRTIO_BALLOON_F_HINTING 5 /* Page hinting virtqueue */= >> >> /* Size of a PFN in the balloon interface. */ >> #define VIRTIO_BALLOON_PFN_SHIFT 12 >> @@ -108,4 +110,10 @@ struct virtio_balloon_stat { >> __virtio64 val; >> } __attribute__((packed)); >> >> +#ifdef CONFIG_KVM_FREE_PAGE_HINTING >> +struct virtio_balloon_hint_req { >> + __virtio64 phys_addr; >> + __virtio64 count; >> +}; >> +#endif >> #endif /* _LINUX_VIRTIO_BALLOON_H */ >> diff --git a/virt/kvm/page_hinting.c b/virt/kvm/page_hinting.c >> index 9885b372b5a9..eb0c0ddfe990 100644 >> --- a/virt/kvm/page_hinting.c >> +++ b/virt/kvm/page_hinting.c >> @@ -31,11 +31,16 @@ struct guest_isolated_pages { >> unsigned int order; >> }; >> >> -void release_buddy_pages(void *obj_to_free, int entries) >> +int (*request_hypercall)(void *balloon_ptr, void *hinting_req, int en= tries); >> +EXPORT_SYMBOL(request_hypercall); >> +void *balloon_ptr; >> +EXPORT_SYMBOL(balloon_ptr); >> + > Why are you using a standard EXPORT_SYMBOL here instead of > EXPORT_SYMBOL_GPL? It seems like these are core functions that can > impact the memory allocator. It might make more sense to use > EXPORT_SYMBOL_GPL. > >> +void release_buddy_pages(void *hinting_req, int entries) >> { >> int i =3D 0; >> int mt =3D 0; >> - struct guest_isolated_pages *isolated_pages_obj =3D obj_to_fre= e; >> + struct guest_isolated_pages *isolated_pages_obj =3D hinting_re= q; >> >> while (i < entries) { >> struct page *page =3D pfn_to_page(isolated_pages_obj[i= ].pfn); > See my comment above, I am pretty sure you need to be exporting this. > I had to change this in order to be able to build. Thanks, I will take note and correct it in the next version. --=20 Regards Nitesh --ONVDPkgYTEpnzsc7KMu6PgbAFFhIVYh8G-- --COJYhzE626r78ogLRs1o91zqQ8RbiIzvS Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEkXcoRVGaqvbHPuAGo4ZA3AYyozkFAlyBGz8ACgkQo4ZA3AYy ozn6WA/9FDo4v9fvG6Y9nkaxuFZbUiSYXbqZzqk5/mVmDjoqOWx6HjZfh4mJJRYV VrE0Vg24oc+2EnugBmYe9upjOshqoyLzWJy1dGEePfHTGisG0u9+ojRj3bNIuF0J G27jCNS5XS2Q6LtEP5MOaNjhDBQ42qmEZUwrfx55E88Og/LPw2fsSKI4CXnLqPgL nGQ+9l0wWWRG6XyatWkNi9KZg0W6VTG8dF/6AULg0aZ9mEjDtmjj3kLKpu832uW/ x4FmoxYuh4I+9oYre/lm3BIFGtG45TRB0EcfTJelP15REQiGiRomid8eQnKDSpM2 JnBlDzfwQOuE4dLInxPZBEL7/xq9EXWJLsc04mVdnZIXuCKRnHlv6oVSGW8Rbv8z P4jnYuI/yQamUmuJip1fO6maZu+Q4xkKA/Zg3ncVthqU87EpsAtEj7YdudG+VCCf k0V38Qfh8HgXE8Bkwp4SfLN8jcPVtxAqKUY86nT081725LP9MNfTGBu5lHOW2Aay 65arsXc77CD2mzf1bnuAotey7TA2P0ABkx9AxtaBEiXimtCWdVeC4HjI5j2u7lQk Y43mII3g4GiEXHn+2q5ILtuzO/4fLtnV7AYzKqM5pnekyj2B0AB5tTpTofWnlQ6K +Q9WzzJ6IgfSxR7p0SH3EQuM0eW9z31e7TO+vLaF4lo9gOCdBnk= =3SuD -----END PGP SIGNATURE----- --COJYhzE626r78ogLRs1o91zqQ8RbiIzvS--