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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F2959C5AD49 for ; Wed, 28 May 2025 14:28:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=UD0M9WjtKZ5rtbhVa6AiQQNKVn3pEeQkbXwBKnxau3A=; b=NgMNyD5dkpIMcm 1EDzaSPoL97lSjAiX5LDKa6siSLm0jl/vujwrrYXojvffGEhQcidhIe1caSx6YLzB0MA8pg4SzoKa FDTtbCEaZV1G6cMERhe9W47YDA1nwcNUf9AMiyI6pIY59dCoVKwKRMQVU8XU/6sUC3E+QQsO37Fgd LhBPJBAgMU1HBYixyicAwJjvJwQnBgLQcN7kSeJ4e7ktnqz3XYxfna5IsEYoXTOCpSKBE9CNtz/vi FTWs3Pj8sRzOclNNNgbCQCn/nfUzM9di2FaNYRRNRjaQhK+GO+seuxY1fh4i03evAZZcS/3WYeXJc EuJ2HjWGwVJtAY0bBclA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uKHlu-0000000DOwY-2IXw; Wed, 28 May 2025 14:28:46 +0000 Received: from out-172.mta0.migadu.com ([91.218.175.172]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uKHa3-0000000DLe9-3KS1 for kvm-riscv@lists.infradead.org; Wed, 28 May 2025 14:16:33 +0000 Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1748441779; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=c5mLYhkH15cgSjxuuv6l4kYe/fzzBQUwpR9u2pfZOy8=; b=qjpKfob7Z9nwJXoxx5GUB/npEZom5q2cVoX+WSrhUvhCp38miksFI15n7HED2ElCpa+Gzh rMarA3QV5uYksrG/9PUOkqwZt07frFarx52lcp28KkCgCK6TwCddvcYR3TQi0qP59jouqi jrs60IDKyBiuILyERrfCfy38ldk8MHk= Date: Wed, 28 May 2025 07:16:11 -0700 MIME-Version: 1.0 Subject: Re: [PATCH v3 9/9] RISC-V: KVM: Upgrade the supported SBI version to 3.0 To: Andrew Jones , =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= Cc: Atish Patra , Anup Patel , Will Deacon , Mark Rutland , Paul Walmsley , Palmer Dabbelt , Mayuresh Chitale , linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Palmer Dabbelt , kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv References: <20250522-pmu_event_info-v3-0-f7bba7fd9cfe@rivosinc.com> <20250522-pmu_event_info-v3-9-f7bba7fd9cfe@rivosinc.com> <61627296-6f94-45ea-9410-ed0ea2251870@linux.dev> <20250526-224478e15ee50987124a47ac@orel> Content-Language: en-US X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Atish Patra In-Reply-To: <20250526-224478e15ee50987124a47ac@orel> X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250528_071631_973531_0DED4665 X-CRM114-Status: GOOD ( 20.16 ) X-BeenThere: kvm-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "kvm-riscv" Errors-To: kvm-riscv-bounces+kvm-riscv=archiver.kernel.org@lists.infradead.org T24gNS8yNi8yNSA0OjEzIEFNLCBBbmRyZXcgSm9uZXMgd3JvdGU6Cj4gT24gTW9uLCBNYXkgMjYs IDIwMjUgYXQgMTE6MDA6MzBBTSArMDIwMCwgUmFkaW0gS3LEjW3DocWZIHdyb3RlOgo+PiAyMDI1 LTA1LTIzVDEwOjE2OjExLTA3OjAwLCBBdGlzaCBQYXRyYSA8YXRpc2gucGF0cmFAbGludXguZGV2 PjoKPj4+IE9uIDUvMjMvMjUgNjozMSBBTSwgUmFkaW0gS3LEjW3DocWZIHdyb3RlOgo+Pj4+IDIw MjUtMDUtMjJUMTI6MDM6NDMtMDc6MDAsIEF0aXNoIFBhdHJhIDxhdGlzaHBAcml2b3NpbmMuY29t PjoKPj4+Pj4gVXBncmFkZSB0aGUgU0JJIHZlcnNpb24gdG8gdjMuMCBzbyB0aGF0IGNvcnJlc3Bv bmRpbmcgZmVhdHVyZXMKPj4+Pj4gY2FuIGJlIGVuYWJsZWQgaW4gdGhlIGd1ZXN0Lgo+Pj4+Pgo+ Pj4+PiBTaWduZWQtb2ZmLWJ5OiBBdGlzaCBQYXRyYSA8YXRpc2hwQHJpdm9zaW5jLmNvbT4KPj4+ Pj4gLS0tCj4+Pj4+IGRpZmYgLS1naXQgYS9hcmNoL3Jpc2N2L2luY2x1ZGUvYXNtL2t2bV92Y3B1 X3NiaS5oIGIvYXJjaC9yaXNjdi9pbmNsdWRlL2FzbS9rdm1fdmNwdV9zYmkuaAo+Pj4+PiAtI2Rl ZmluZSBLVk1fU0JJX1ZFUlNJT05fTUFKT1IgMgo+Pj4+PiArI2RlZmluZSBLVk1fU0JJX1ZFUlNJ T05fTUFKT1IgMwo+Pj4+IEkgdGhpbmsgaXQncyB0aW1lIHRvIGFkZCB2ZXJzaW9uaW5nIHRvIEtW TSBTQkkgaW1wbGVtZW50YXRpb24uCj4+Pj4gVXNlcnNwYWNlIHNob3VsZCBiZSBhYmxlIHRvIHNl bGVjdCB0aGUgZGVzaXJlZCBTQkkgdmVyc2lvbiBhbmQgS1ZNIHdvdWxkCj4+Pj4gdGVsbCB0aGUg Z3Vlc3QgdGhhdCBuZXdlciBmZWF0dXJlcyBhcmUgbm90IHN1cHBvcnRlZC4KPiAKPiBXZSBuZWVk IG5ldyBjb2RlIGZvciB0aGlzLCBidXQgaXQncyBhIGdvb2QgaWRlYS4KPiAKPj4+Cj4+PiBXZSBj YW4gYWNoaWV2ZSB0aGF0IHRocm91Z2ggb25lcmVnIGludGVyZmFjZSBieSBkaXNhYmxpbmcgaW5k aXZpZHVhbCBTQkkKPj4+IGV4dGVuc2lvbnMuCj4+PiBXZSBjYW4gZXh0ZW5kIHRoZSBleGlzdGlu ZyBvbmVyZWcgaW50ZXJmYWNlIHRvIGRpc2FibGUgYSBzcGVjaWZpYyBTQkkKPj4+IHZlcnNpb24g ZGlyZWN0bHkKPj4+IGluc3RlYWQgb2YgaW5kaXZpZHVhbCBvbmVzIHRvIHNhdmUgdGhvc2UgSU9D VEwgYXMgd2VsbC4KPj4KPj4gWWVzLCBJIGFtIGFsbCBpbiBmYXZvciBvZiBsZXR0aW5nIHVzZXJz cGFjZSBwcm92aWRlIGFsbCB2YWx1ZXMgaW4gdGhlCj4+IEJBU0UgZXh0ZW5zaW9uLgo+IAoKV2Ug YWxyZWFkeSBzdXBwb3J0IHZlbmRvcmlkL2FyY2hpZC9pbXBpZCB0aHJvdWdoIG9uZSByZWcuIEkg dGhpbmsgd2UgCmp1c3QgbmVlZCB0byBhZGQgdGhlIFNCSSB2ZXJzaW9uIHN1cHBvcnQgdG8gdGhh dCBzbyB0aGF0IHVzZXIgc3BhY2UgY2FuIApzZXQgaXQuCgo+IFRoaXMgaXMgY292ZXJlZCBieSB5 b3VyIHJlY2VudCBwYXRjaCB0aGF0IHByb3ZpZGVzIHVzZXJzcGFjZV9zYmkuCgpXaHkgZG8gd2Ug bmVlZCB0byBpbnZlbnQgbmV3IElPQ1RMIGZvciB0aGlzID8gT25jZSB0aGUgdXNlciBzcGFjZSBz ZXRzIAp0aGUgU0JJIHZlcnNpb24sIEtWTSBjYW4gZW5mb3JjZSBpdC4KCj4gV2l0aCB0aGF0LCB1 c2Vyc3BhY2UgY2FuIGRpc2FibGUgYWxsIGV4dGVuc2lvbnMgdGhhdCBhcmVuJ3QKPiBzdXBwb3J0 ZWQgYnkgYSBnaXZlbiBzcGVjIHZlcnNpb24sIGRpc2FibGUgQkFTRSBhbmQgdGhlbiBwcm92aWRl Cj4gYSBCQVNFIHRoYXQgYWR2ZXJ0aXNlcyB0aGUgdmVyc2lvbiBpdCB3YW50cy4gVGhlIG5ldyBj b2RlIGlzIG5lZWRlZAo+IGZvciBleHRlbnNpb25zIHRoYXQgdXNlcnNwYWNlIHN0aWxsIHdhbnRz IEtWTSB0byBhY2NlbGVyYXRlLCBidXQgdGhlbgo+IEtWTSBuZWVkcyB0byBiZSBpbmZvcm1lZCBp dCBzaG91bGQgZGVueSBhbGwgZnVuY3Rpb25zIG5vdCBpbmNsdWRlZCBpbgo+IHRoZSBzZWxlY3Rl ZCBzcGVjIHZlcnNpb24uCj4gCj4gVGhhbmtzLAo+IGRyZXcKPiAKPiBfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+IGxpbnV4LXJpc2N2IG1haWxpbmcgbGlz dAo+IGxpbnV4LXJpc2N2QGxpc3RzLmluZnJhZGVhZC5vcmcKPiBodHRwOi8vbGlzdHMuaW5mcmFk ZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LXJpc2N2CgoKLS0gCmt2bS1yaXNjdiBtYWls aW5nIGxpc3QKa3ZtLXJpc2N2QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJh ZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9rdm0tcmlzY3YK From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-173.mta0.migadu.com (out-173.mta0.migadu.com [91.218.175.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0F26427A108 for ; 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From: Atish Patra In-Reply-To: <20250526-224478e15ee50987124a47ac@orel> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT On 5/26/25 4:13 AM, Andrew Jones wrote: > On Mon, May 26, 2025 at 11:00:30AM +0200, Radim Krčmář wrote: >> 2025-05-23T10:16:11-07:00, Atish Patra : >>> On 5/23/25 6:31 AM, Radim Krčmář wrote: >>>> 2025-05-22T12:03:43-07:00, Atish Patra : >>>>> Upgrade the SBI version to v3.0 so that corresponding features >>>>> can be enabled in the guest. >>>>> >>>>> Signed-off-by: Atish Patra >>>>> --- >>>>> diff --git a/arch/riscv/include/asm/kvm_vcpu_sbi.h b/arch/riscv/include/asm/kvm_vcpu_sbi.h >>>>> -#define KVM_SBI_VERSION_MAJOR 2 >>>>> +#define KVM_SBI_VERSION_MAJOR 3 >>>> I think it's time to add versioning to KVM SBI implementation. >>>> Userspace should be able to select the desired SBI version and KVM would >>>> tell the guest that newer features are not supported. > > We need new code for this, but it's a good idea. > >>> >>> We can achieve that through onereg interface by disabling individual SBI >>> extensions. >>> We can extend the existing onereg interface to disable a specific SBI >>> version directly >>> instead of individual ones to save those IOCTL as well. >> >> Yes, I am all in favor of letting userspace provide all values in the >> BASE extension. > We already support vendorid/archid/impid through one reg. I think we just need to add the SBI version support to that so that user space can set it. > This is covered by your recent patch that provides userspace_sbi. Why do we need to invent new IOCTL for this ? Once the user space sets the SBI version, KVM can enforce it. > With that, userspace can disable all extensions that aren't > supported by a given spec version, disable BASE and then provide > a BASE that advertises the version it wants. The new code is needed > for extensions that userspace still wants KVM to accelerate, but then > KVM needs to be informed it should deny all functions not included in > the selected spec version. > > Thanks, > drew > > _______________________________________________ > linux-riscv mailing list > linux-riscv@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-riscv 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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C14C9C5AD49 for ; Wed, 28 May 2025 14:28:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=1TN3/YYirIYbt7u8t8SXDGmjMUNZ980j9d+vfjaZCsc=; b=QXKgv7nBnVLcAC jDgrTdKX6BY8UGFO23907/h5sUXV0vhZKzKoNJEHDZeEkBn4uP9WtbI2GJyBvd5NyAasgJwbe+gNt aZ1fOVUcLGSIYAgf76D2z+taN1HaaaLfIovthBHkFth9SKCYTOG8SJi0rkdFa4+1b26/nQWM/2EPU QzbN6dRuMrESYzLg/OIUG5ye8Mr/oxCmlIM31zzWuPnHuTVz40Wy8zP+dPbvttpRo1yKPniHRySdN sYanXIgzIWlLizRzfrK6TsSeEh8ffPMaJ9N3TwPV+aS1H6LqKHr2EuX/Vrdyit/FEoyXBtIChtiyi BFgQZ3WkFK7gJNIwyCXQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uKHlu-0000000DOwg-3eSF; Wed, 28 May 2025 14:28:46 +0000 Received: from out-170.mta0.migadu.com ([91.218.175.170]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uKHa3-0000000DLe8-3L6L; Wed, 28 May 2025 14:16:33 +0000 Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1748441779; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=c5mLYhkH15cgSjxuuv6l4kYe/fzzBQUwpR9u2pfZOy8=; b=qjpKfob7Z9nwJXoxx5GUB/npEZom5q2cVoX+WSrhUvhCp38miksFI15n7HED2ElCpa+Gzh rMarA3QV5uYksrG/9PUOkqwZt07frFarx52lcp28KkCgCK6TwCddvcYR3TQi0qP59jouqi jrs60IDKyBiuILyERrfCfy38ldk8MHk= Date: Wed, 28 May 2025 07:16:11 -0700 MIME-Version: 1.0 Subject: Re: [PATCH v3 9/9] RISC-V: KVM: Upgrade the supported SBI version to 3.0 To: Andrew Jones , =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= Cc: Atish Patra , Anup Patel , Will Deacon , Mark Rutland , Paul Walmsley , Palmer Dabbelt , Mayuresh Chitale , linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Palmer Dabbelt , kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv References: <20250522-pmu_event_info-v3-0-f7bba7fd9cfe@rivosinc.com> <20250522-pmu_event_info-v3-9-f7bba7fd9cfe@rivosinc.com> <61627296-6f94-45ea-9410-ed0ea2251870@linux.dev> <20250526-224478e15ee50987124a47ac@orel> Content-Language: en-US X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Atish Patra In-Reply-To: <20250526-224478e15ee50987124a47ac@orel> X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250528_071631_978249_CB787BD7 X-CRM114-Status: GOOD ( 20.31 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org T24gNS8yNi8yNSA0OjEzIEFNLCBBbmRyZXcgSm9uZXMgd3JvdGU6Cj4gT24gTW9uLCBNYXkgMjYs IDIwMjUgYXQgMTE6MDA6MzBBTSArMDIwMCwgUmFkaW0gS3LEjW3DocWZIHdyb3RlOgo+PiAyMDI1 LTA1LTIzVDEwOjE2OjExLTA3OjAwLCBBdGlzaCBQYXRyYSA8YXRpc2gucGF0cmFAbGludXguZGV2 PjoKPj4+IE9uIDUvMjMvMjUgNjozMSBBTSwgUmFkaW0gS3LEjW3DocWZIHdyb3RlOgo+Pj4+IDIw MjUtMDUtMjJUMTI6MDM6NDMtMDc6MDAsIEF0aXNoIFBhdHJhIDxhdGlzaHBAcml2b3NpbmMuY29t PjoKPj4+Pj4gVXBncmFkZSB0aGUgU0JJIHZlcnNpb24gdG8gdjMuMCBzbyB0aGF0IGNvcnJlc3Bv bmRpbmcgZmVhdHVyZXMKPj4+Pj4gY2FuIGJlIGVuYWJsZWQgaW4gdGhlIGd1ZXN0Lgo+Pj4+Pgo+ Pj4+PiBTaWduZWQtb2ZmLWJ5OiBBdGlzaCBQYXRyYSA8YXRpc2hwQHJpdm9zaW5jLmNvbT4KPj4+ Pj4gLS0tCj4+Pj4+IGRpZmYgLS1naXQgYS9hcmNoL3Jpc2N2L2luY2x1ZGUvYXNtL2t2bV92Y3B1 X3NiaS5oIGIvYXJjaC9yaXNjdi9pbmNsdWRlL2FzbS9rdm1fdmNwdV9zYmkuaAo+Pj4+PiAtI2Rl ZmluZSBLVk1fU0JJX1ZFUlNJT05fTUFKT1IgMgo+Pj4+PiArI2RlZmluZSBLVk1fU0JJX1ZFUlNJ T05fTUFKT1IgMwo+Pj4+IEkgdGhpbmsgaXQncyB0aW1lIHRvIGFkZCB2ZXJzaW9uaW5nIHRvIEtW TSBTQkkgaW1wbGVtZW50YXRpb24uCj4+Pj4gVXNlcnNwYWNlIHNob3VsZCBiZSBhYmxlIHRvIHNl bGVjdCB0aGUgZGVzaXJlZCBTQkkgdmVyc2lvbiBhbmQgS1ZNIHdvdWxkCj4+Pj4gdGVsbCB0aGUg Z3Vlc3QgdGhhdCBuZXdlciBmZWF0dXJlcyBhcmUgbm90IHN1cHBvcnRlZC4KPiAKPiBXZSBuZWVk IG5ldyBjb2RlIGZvciB0aGlzLCBidXQgaXQncyBhIGdvb2QgaWRlYS4KPiAKPj4+Cj4+PiBXZSBj YW4gYWNoaWV2ZSB0aGF0IHRocm91Z2ggb25lcmVnIGludGVyZmFjZSBieSBkaXNhYmxpbmcgaW5k aXZpZHVhbCBTQkkKPj4+IGV4dGVuc2lvbnMuCj4+PiBXZSBjYW4gZXh0ZW5kIHRoZSBleGlzdGlu ZyBvbmVyZWcgaW50ZXJmYWNlIHRvIGRpc2FibGUgYSBzcGVjaWZpYyBTQkkKPj4+IHZlcnNpb24g ZGlyZWN0bHkKPj4+IGluc3RlYWQgb2YgaW5kaXZpZHVhbCBvbmVzIHRvIHNhdmUgdGhvc2UgSU9D VEwgYXMgd2VsbC4KPj4KPj4gWWVzLCBJIGFtIGFsbCBpbiBmYXZvciBvZiBsZXR0aW5nIHVzZXJz cGFjZSBwcm92aWRlIGFsbCB2YWx1ZXMgaW4gdGhlCj4+IEJBU0UgZXh0ZW5zaW9uLgo+IAoKV2Ug YWxyZWFkeSBzdXBwb3J0IHZlbmRvcmlkL2FyY2hpZC9pbXBpZCB0aHJvdWdoIG9uZSByZWcuIEkg dGhpbmsgd2UgCmp1c3QgbmVlZCB0byBhZGQgdGhlIFNCSSB2ZXJzaW9uIHN1cHBvcnQgdG8gdGhh dCBzbyB0aGF0IHVzZXIgc3BhY2UgY2FuIApzZXQgaXQuCgo+IFRoaXMgaXMgY292ZXJlZCBieSB5 b3VyIHJlY2VudCBwYXRjaCB0aGF0IHByb3ZpZGVzIHVzZXJzcGFjZV9zYmkuCgpXaHkgZG8gd2Ug bmVlZCB0byBpbnZlbnQgbmV3IElPQ1RMIGZvciB0aGlzID8gT25jZSB0aGUgdXNlciBzcGFjZSBz ZXRzIAp0aGUgU0JJIHZlcnNpb24sIEtWTSBjYW4gZW5mb3JjZSBpdC4KCj4gV2l0aCB0aGF0LCB1 c2Vyc3BhY2UgY2FuIGRpc2FibGUgYWxsIGV4dGVuc2lvbnMgdGhhdCBhcmVuJ3QKPiBzdXBwb3J0 ZWQgYnkgYSBnaXZlbiBzcGVjIHZlcnNpb24sIGRpc2FibGUgQkFTRSBhbmQgdGhlbiBwcm92aWRl Cj4gYSBCQVNFIHRoYXQgYWR2ZXJ0aXNlcyB0aGUgdmVyc2lvbiBpdCB3YW50cy4gVGhlIG5ldyBj b2RlIGlzIG5lZWRlZAo+IGZvciBleHRlbnNpb25zIHRoYXQgdXNlcnNwYWNlIHN0aWxsIHdhbnRz IEtWTSB0byBhY2NlbGVyYXRlLCBidXQgdGhlbgo+IEtWTSBuZWVkcyB0byBiZSBpbmZvcm1lZCBp dCBzaG91bGQgZGVueSBhbGwgZnVuY3Rpb25zIG5vdCBpbmNsdWRlZCBpbgo+IHRoZSBzZWxlY3Rl ZCBzcGVjIHZlcnNpb24uCj4gCj4gVGhhbmtzLAo+IGRyZXcKPiAKPiBfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+IGxpbnV4LXJpc2N2IG1haWxpbmcgbGlz dAo+IGxpbnV4LXJpc2N2QGxpc3RzLmluZnJhZGVhZC5vcmcKPiBodHRwOi8vbGlzdHMuaW5mcmFk ZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LXJpc2N2CgoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtcmlzY3YgbWFpbGluZyBsaXN0Cmxp bnV4LXJpc2N2QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcv bWFpbG1hbi9saXN0aW5mby9saW51eC1yaXNjdgo=