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 CBFFBC54ED1 for ; Fri, 23 May 2025 18:02:26 +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=kzcHSC6HcKx0oel7hks73uGdMlPQyM6jiGLbaAfhFGQ=; b=jh8ePfqEPbkx17 6C0MlKE22/bDy1WFIzAdhKsyXoFfBx3JaOEcMI/0kaa9HXjyxYSQhdaKT5pCZpnEyWW8xpekGri7K MyzP3EI4mcy+yrRouwo8CoNa7ge1rvU5U0v7dy0a8bI3NQY1bqgIO0V8gC2shBDxMyrqgU+uo3u6H uYv5c9dIgzPTTVoJT8BPOFqwZyNVcIri8ScR866/HTdNtMOhxryVYfZPtcdr6s5rXifsrwSxyl4tg g+YiY8HFnO5TjlFm+4mCf8Q67KF6VyppQ3cL470/mJ2ScPh5CngXPzna8pEsIvFtjEf/izAQjcU1N nf7W82Xww4vTH33Wn+iw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uIWiw-00000004cme-0S4m; Fri, 23 May 2025 18:02:26 +0000 Received: from out-183.mta0.migadu.com ([2001:41d0:1004:224b::b7]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uIWit-00000004cm4-0Sz1 for kvm-riscv@lists.infradead.org; Fri, 23 May 2025 18:02:24 +0000 Message-ID: <5dd587b3-8c04-41d1-b677-5b07266cfec5@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1748023337; 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=dVgfGwkpVOgVzuNCU5zCPpN93of0x7k+aYCz5DP0VOA=; b=cb6ir8xE4q8LN9CRbizpHOwYHG/1HnOlKRh3ajaE1tDkmTd8L19cu4lPf8tqbFVowAvU7o 37f+G4WGNnNmva62kOAHzlLog/TeUa+vG94ciSfJV4Agz/wUc+d1DCUpdSbMrQe4M9rbRz +MQCdF0ERsqq1cCkeU0V+ucqdayBGaM= Date: Fri, 23 May 2025 11:02:11 -0700 MIME-Version: 1.0 Subject: Re: [PATCH v8 13/14] RISC-V: KVM: add support for FWFT SBI extension To: =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= , =?UTF-8?B?Q2zDqW1lbnQgTMOpZ2Vy?= , Paul Walmsley , Palmer Dabbelt , Anup Patel , Atish Patra , Shuah Khan , Jonathan Corbet , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org Cc: Samuel Holland , Andrew Jones , Deepak Gupta , Charlie Jenkins , linux-riscv References: <20250523101932.1594077-1-cleger@rivosinc.com> <20250523101932.1594077-14-cleger@rivosinc.com> <9f9e2869-725d-4590-887a-9b0ef091472e@rivosinc.com> 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: X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250523_110223_357127_8F39AA64 X-CRM114-Status: GOOD ( 15.22 ) 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 T24gNS8yMy8yNSA5OjI3IEFNLCBSYWRpbSBLcsOEbcODwqHDhSB3cm90ZToKPiAyMDI1LTA1LTIz VDE3OjI5OjQ5KzAyOjAwLCBDbMOpbWVudCBMw6lnZXIgPGNsZWdlckByaXZvc2luYy5jb20+Ogo+ PiBPbiAyMy8wNS8yMDI1IDE1OjA1LCBSYWRpbSBLcsSNbcOhxZkgd3JvdGU6Cj4+PiAyMDI1LTA1 LTIzVDEyOjE5OjMwKzAyOjAwLCBDbMOpbWVudCBMw6lnZXIgPGNsZWdlckByaXZvc2luYy5jb20+ Ogo+Pj4+ICsrKyBiL2FyY2gvcmlzY3Yva3ZtL3ZjcHVfc2JpX2Z3ZnQuYwo+Pj4+ICtzdGF0aWMg Y29uc3QgZW51bSBzYmlfZndmdF9mZWF0dXJlX3Qga3ZtX2Z3ZnRfZGVmaW5lZF9mZWF0dXJlc1td ID0gewo+Pj4+ICsJU0JJX0ZXRlRfTUlTQUxJR05FRF9FWENfREVMRUcsCj4+Pj4gKwlTQklfRldG VF9MQU5ESU5HX1BBRCwKPj4+PiArCVNCSV9GV0ZUX1NIQURPV19TVEFDSywKPj4+PiArCVNCSV9G V0ZUX0RPVUJMRV9UUkFQLAo+Pj4+ICsJU0JJX0ZXRlRfUFRFX0FEX0hXX1VQREFUSU5HLAo+Pj4+ ICsJU0JJX0ZXRlRfUE9JTlRFUl9NQVNLSU5HX1BNTEVOLAo+Pj4+ICt9Owo+Pj4KPj4+IEhvdyB3 aWxsIHVzZXJzcGFjZSBjb250cm9sIHdoaWNoIHN1YnNldCBvZiB0aGVzZSBmZWF0dXJlcyBpcyBh bGxvd2VkIGluCj4+PiB0aGUgZ3Vlc3Q/Cj4+Pgo+Pj4gKFdlIGNhbiByZXVzZSB0aGUgS1ZNIFNC SSBleHRlbnNpb24gaW50ZXJmYWNlIGlmIHdlIGRvbid0IHdhbnQgdG8gYWRkIGEKPj4+ICAgRldG VCBzcGVjaWZpYyBPTkVfUkVHLikKPj4KPj4gSGkgUmFkaW0sCj4+Cj4+IEkgZGlkbid0IGxvb2tl ZCBhdCB0aGF0IHBhcnQuIEJ1dCBtb3N0IGxpa2VseSB1c2luZyB0aGUga3ZtIG9uZSByZWcKPj4g aW50ZXJmYWNlIHNlZW1zIG9rIGxpa2Ugd2hhdCBpcyBkb25lIGZvciBTVEEgPyBXZSBjb3VsZCBo YXZlIHBlciBmZWF0dXJlCj4+IG92ZXJyaWRlIHdpdGggb25lIHJlZyBwZXIgZmVhdHVyZS4KPiAK PiBTb3VuZHMgZmluZS4KPiAKClllYWguIFdlIGNhbiBoYXZlIGEgZm9sbG93IHVwIHNlcmllcyBm b3IgU0JJIEZXRlQgc3RhdGUgdGhhdCBhbGxvd3MgdXNlciAKc3BhY2UgdG8gdG9nZ2xlIGVhY2gg c3RhdGUgaW5kaXZpZHVhbGx5LgoKPj4gSXMgdGhpcyBzb21ldGhpbmcgYmxvY2tpbmcgdGhvdWdo ID8gV2UnZCBsaWtlIHRvIG1lcmdlIEZXRlQgb25jZSBTQkkgMy4wCj4+IGlzIHJhdGlmaWVkIHNv IHRoYXQgd291bGQgYmUgbmljZSBub3QgZGVsYXlpbmcgaXQgdG9vIG11Y2guIEknbGwgdGFrZSBh Cj4+IGxvb2sgYXQgaXQgdG8gc2VlIGlmIGl0IGlzbid0IHRvbyBsb25nIHRvIGltcGxlbWVudC4K PiAKPiBOb3QgYmxvY2tpbmcsIGJ1dCBJIHdvdWxkIGF0IGxlYXN0IGRlZmF1bHQgRldGVCB0byBk aXNhYmxlZCwgYmVjYXVzZQo+IGN1cnJlbnQgdXNlcnNwYWNlIGNhbm5vdCBoYW5kbGUgWzE0LzE0 XS4gIChXZWxsLi4uIHNhdmUvcmVzdG9yZSB3YXMKPiBwcm9iYWJseSBicm9rZW4gZXZlbiBiZWZv cmUsIGJ1dCBsZXQncyB0cnkgdG8gbm90IG1ha2UgaXQgd29yc2UuIDpdKQo+IAoKVXNlciBzcGFj ZSBjYW4gbm90IGVuYWJsZSBvciBkaXNhYmxlIG1pc2FsaWduZWQgYWNjZXNzIGRlbGVnYXRpb24g YXMgCnRoZXJlIGlzIG5vIGludGVyZmFjZSBmb3Igbm93IHJpZ2h0bHkgcG9pbnRlZCBieSB5b3Uu IEkgZ3Vlc3Mgc3VwcG9ydGluZyAKdGhhdCB3b3VsZCBiZSBxdWlja2VyIHRoYW4gZml4aW5nIHRo ZSBicm9hZGVyIGd1ZXN0IHNhdmUvcmVzdG9yZSAKYW55d2F5cy4gSXNuJ3QgaXQgPwoKV2UgY2Fu IGhhdmUgdGhlIHBhdGNoZXMgcmVhZHkgZm9yIHRoZSBuZXh0IE1XIGZvciBGV0ZUIG9uZSByZWcg aW50ZXJmYWNlLgoKPiBUaGFua3MuCj4gCj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KPiBsaW51eC1yaXNjdiBtYWlsaW5nIGxpc3QKPiBsaW51eC1yaXNj dkBsaXN0cy5pbmZyYWRlYWQub3JnCj4gaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1h bi9saXN0aW5mby9saW51eC1yaXNjdgoKCi0tIAprdm0tcmlzY3YgbWFpbGluZyBsaXN0Cmt2bS1y aXNjdkBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxt YW4vbGlzdGluZm8va3ZtLXJpc2N2Cg== 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 E7233299920; 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From: Atish Patra In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT On 5/23/25 9:27 AM, Radim KrÄmáŠwrote: > 2025-05-23T17:29:49+02:00, Clément Léger : >> On 23/05/2025 15:05, Radim Krčmář wrote: >>> 2025-05-23T12:19:30+02:00, Clément Léger : >>>> +++ b/arch/riscv/kvm/vcpu_sbi_fwft.c >>>> +static const enum sbi_fwft_feature_t kvm_fwft_defined_features[] = { >>>> + SBI_FWFT_MISALIGNED_EXC_DELEG, >>>> + SBI_FWFT_LANDING_PAD, >>>> + SBI_FWFT_SHADOW_STACK, >>>> + SBI_FWFT_DOUBLE_TRAP, >>>> + SBI_FWFT_PTE_AD_HW_UPDATING, >>>> + SBI_FWFT_POINTER_MASKING_PMLEN, >>>> +}; >>> >>> How will userspace control which subset of these features is allowed in >>> the guest? >>> >>> (We can reuse the KVM SBI extension interface if we don't want to add a >>> FWFT specific ONE_REG.) >> >> Hi Radim, >> >> I didn't looked at that part. But most likely using the kvm one reg >> interface seems ok like what is done for STA ? We could have per feature >> override with one reg per feature. > > Sounds fine. > Yeah. We can have a follow up series for SBI FWFT state that allows user space to toggle each state individually. >> Is this something blocking though ? We'd like to merge FWFT once SBI 3.0 >> is ratified so that would be nice not delaying it too much. I'll take a >> look at it to see if it isn't too long to implement. > > Not blocking, but I would at least default FWFT to disabled, because > current userspace cannot handle [14/14]. (Well... save/restore was > probably broken even before, but let's try to not make it worse. :]) > User space can not enable or disable misaligned access delegation as there is no interface for now rightly pointed by you. I guess supporting that would be quicker than fixing the broader guest save/restore anyways. Isn't it ? We can have the patches ready for the next MW for FWFT one reg interface. > Thanks. > > _______________________________________________ > 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 9A8EAC54ED0 for ; Fri, 23 May 2025 18:02:40 +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=pUdeqkxAmuo4RTQQk0ZBpSx0ryTUXnojgXCLPVZBHdk=; b=gBJun701Ak2f39 m/bOlwJRtzcMd/4rJWm849s8jtG1AsX2OcJ4xHV4TnZZlicZgPsGwvnGJoGUmoKBXEAIUxugKsBot j5iZCMCV3vuluOHuRnAdj4RllkzMhWX0kJKgctIQpGS32AVoas4SP1xrm0Zt/RWAmaPd3BQA7jGjg Jnf9RnyxH1QS4BwK0E0LgJUSWlifKUEC39SB++xipL+RO62JyAGH2hnMm9UUKZkc1jCPXthcGebLr Bvc2X4SeBPHzWj8mXOHff8pGSmROmmxtmqnntkt61ZZAbbe4sQgid/bCsqhdmm57D2NamKqBBpq1u JlNcbvqNJ1AFeqlLAtXQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uIWj2-00000004cop-1pQp; Fri, 23 May 2025 18:02:32 +0000 Received: from out-180.mta0.migadu.com ([2001:41d0:1004:224b::b4]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uIWj0-00000004cnC-0D30 for linux-riscv@lists.infradead.org; Fri, 23 May 2025 18:02:31 +0000 Message-ID: <5dd587b3-8c04-41d1-b677-5b07266cfec5@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1748023337; 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=dVgfGwkpVOgVzuNCU5zCPpN93of0x7k+aYCz5DP0VOA=; b=cb6ir8xE4q8LN9CRbizpHOwYHG/1HnOlKRh3ajaE1tDkmTd8L19cu4lPf8tqbFVowAvU7o 37f+G4WGNnNmva62kOAHzlLog/TeUa+vG94ciSfJV4Agz/wUc+d1DCUpdSbMrQe4M9rbRz +MQCdF0ERsqq1cCkeU0V+ucqdayBGaM= Date: Fri, 23 May 2025 11:02:11 -0700 MIME-Version: 1.0 Subject: Re: [PATCH v8 13/14] RISC-V: KVM: add support for FWFT SBI extension To: =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= , =?UTF-8?B?Q2zDqW1lbnQgTMOpZ2Vy?= , Paul Walmsley , Palmer Dabbelt , Anup Patel , Atish Patra , Shuah Khan , Jonathan Corbet , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-kselftest@vger.kernel.org Cc: Samuel Holland , Andrew Jones , Deepak Gupta , Charlie Jenkins , linux-riscv References: <20250523101932.1594077-1-cleger@rivosinc.com> <20250523101932.1594077-14-cleger@rivosinc.com> <9f9e2869-725d-4590-887a-9b0ef091472e@rivosinc.com> 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: X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250523_110230_226893_9E9AB2CC X-CRM114-Status: GOOD ( 15.22 ) 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 T24gNS8yMy8yNSA5OjI3IEFNLCBSYWRpbSBLcsOEbcODwqHDhSB3cm90ZToKPiAyMDI1LTA1LTIz VDE3OjI5OjQ5KzAyOjAwLCBDbMOpbWVudCBMw6lnZXIgPGNsZWdlckByaXZvc2luYy5jb20+Ogo+ PiBPbiAyMy8wNS8yMDI1IDE1OjA1LCBSYWRpbSBLcsSNbcOhxZkgd3JvdGU6Cj4+PiAyMDI1LTA1 LTIzVDEyOjE5OjMwKzAyOjAwLCBDbMOpbWVudCBMw6lnZXIgPGNsZWdlckByaXZvc2luYy5jb20+ Ogo+Pj4+ICsrKyBiL2FyY2gvcmlzY3Yva3ZtL3ZjcHVfc2JpX2Z3ZnQuYwo+Pj4+ICtzdGF0aWMg Y29uc3QgZW51bSBzYmlfZndmdF9mZWF0dXJlX3Qga3ZtX2Z3ZnRfZGVmaW5lZF9mZWF0dXJlc1td ID0gewo+Pj4+ICsJU0JJX0ZXRlRfTUlTQUxJR05FRF9FWENfREVMRUcsCj4+Pj4gKwlTQklfRldG VF9MQU5ESU5HX1BBRCwKPj4+PiArCVNCSV9GV0ZUX1NIQURPV19TVEFDSywKPj4+PiArCVNCSV9G V0ZUX0RPVUJMRV9UUkFQLAo+Pj4+ICsJU0JJX0ZXRlRfUFRFX0FEX0hXX1VQREFUSU5HLAo+Pj4+ ICsJU0JJX0ZXRlRfUE9JTlRFUl9NQVNLSU5HX1BNTEVOLAo+Pj4+ICt9Owo+Pj4KPj4+IEhvdyB3 aWxsIHVzZXJzcGFjZSBjb250cm9sIHdoaWNoIHN1YnNldCBvZiB0aGVzZSBmZWF0dXJlcyBpcyBh bGxvd2VkIGluCj4+PiB0aGUgZ3Vlc3Q/Cj4+Pgo+Pj4gKFdlIGNhbiByZXVzZSB0aGUgS1ZNIFNC SSBleHRlbnNpb24gaW50ZXJmYWNlIGlmIHdlIGRvbid0IHdhbnQgdG8gYWRkIGEKPj4+ICAgRldG VCBzcGVjaWZpYyBPTkVfUkVHLikKPj4KPj4gSGkgUmFkaW0sCj4+Cj4+IEkgZGlkbid0IGxvb2tl ZCBhdCB0aGF0IHBhcnQuIEJ1dCBtb3N0IGxpa2VseSB1c2luZyB0aGUga3ZtIG9uZSByZWcKPj4g aW50ZXJmYWNlIHNlZW1zIG9rIGxpa2Ugd2hhdCBpcyBkb25lIGZvciBTVEEgPyBXZSBjb3VsZCBo YXZlIHBlciBmZWF0dXJlCj4+IG92ZXJyaWRlIHdpdGggb25lIHJlZyBwZXIgZmVhdHVyZS4KPiAK PiBTb3VuZHMgZmluZS4KPiAKClllYWguIFdlIGNhbiBoYXZlIGEgZm9sbG93IHVwIHNlcmllcyBm b3IgU0JJIEZXRlQgc3RhdGUgdGhhdCBhbGxvd3MgdXNlciAKc3BhY2UgdG8gdG9nZ2xlIGVhY2gg c3RhdGUgaW5kaXZpZHVhbGx5LgoKPj4gSXMgdGhpcyBzb21ldGhpbmcgYmxvY2tpbmcgdGhvdWdo ID8gV2UnZCBsaWtlIHRvIG1lcmdlIEZXRlQgb25jZSBTQkkgMy4wCj4+IGlzIHJhdGlmaWVkIHNv IHRoYXQgd291bGQgYmUgbmljZSBub3QgZGVsYXlpbmcgaXQgdG9vIG11Y2guIEknbGwgdGFrZSBh Cj4+IGxvb2sgYXQgaXQgdG8gc2VlIGlmIGl0IGlzbid0IHRvbyBsb25nIHRvIGltcGxlbWVudC4K PiAKPiBOb3QgYmxvY2tpbmcsIGJ1dCBJIHdvdWxkIGF0IGxlYXN0IGRlZmF1bHQgRldGVCB0byBk aXNhYmxlZCwgYmVjYXVzZQo+IGN1cnJlbnQgdXNlcnNwYWNlIGNhbm5vdCBoYW5kbGUgWzE0LzE0 XS4gIChXZWxsLi4uIHNhdmUvcmVzdG9yZSB3YXMKPiBwcm9iYWJseSBicm9rZW4gZXZlbiBiZWZv cmUsIGJ1dCBsZXQncyB0cnkgdG8gbm90IG1ha2UgaXQgd29yc2UuIDpdKQo+IAoKVXNlciBzcGFj ZSBjYW4gbm90IGVuYWJsZSBvciBkaXNhYmxlIG1pc2FsaWduZWQgYWNjZXNzIGRlbGVnYXRpb24g YXMgCnRoZXJlIGlzIG5vIGludGVyZmFjZSBmb3Igbm93IHJpZ2h0bHkgcG9pbnRlZCBieSB5b3Uu IEkgZ3Vlc3Mgc3VwcG9ydGluZyAKdGhhdCB3b3VsZCBiZSBxdWlja2VyIHRoYW4gZml4aW5nIHRo ZSBicm9hZGVyIGd1ZXN0IHNhdmUvcmVzdG9yZSAKYW55d2F5cy4gSXNuJ3QgaXQgPwoKV2UgY2Fu IGhhdmUgdGhlIHBhdGNoZXMgcmVhZHkgZm9yIHRoZSBuZXh0IE1XIGZvciBGV0ZUIG9uZSByZWcg aW50ZXJmYWNlLgoKPiBUaGFua3MuCj4gCj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KPiBsaW51eC1yaXNjdiBtYWlsaW5nIGxpc3QKPiBsaW51eC1yaXNj dkBsaXN0cy5pbmZyYWRlYWQub3JnCj4gaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1h bi9saXN0aW5mby9saW51eC1yaXNjdgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCmxpbnV4LXJpc2N2IG1haWxpbmcgbGlzdApsaW51eC1yaXNjdkBsaXN0 cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGlu Zm8vbGludXgtcmlzY3YK