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[91.219.240.2]) by smtp.gmail.com with ESMTPSA id h27sm22065673wmc.43.2021.11.15.08.04.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Nov 2021 08:04:02 -0800 (PST) From: Vitaly Kuznetsov To: Christian Borntraeger , Paolo Bonzini , kvm@vger.kernel.org Cc: Sean Christopherson , Wanpeng Li , Jim Mattson , Eduardo Habkost , Marc Zyngier , Andrew Jones , Huacai Chen , Aleksandar Markovic , Anup Patel , Paul Mackerras , Michael Ellerman , kvm-ppc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/5] KVM: Cap KVM_CAP_NR_VCPUS by KVM_CAP_MAX_VCPUS and re-purpose it on x86 In-Reply-To: References: <20211111162746.100598-1-vkuznets@redhat.com> <4a3c7be7-12fa-6e47-64eb-02e6c5be5dbc@redhat.com> Date: Mon, 15 Nov 2021 17:04:01 +0100 Message-ID: <877dd9pfri.fsf@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=vkuznets@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211115_080412_988090_01DADE76 X-CRM114-Status: GOOD ( 13.37 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Q2hyaXN0aWFuIEJvcm50cmFlZ2VyIDxib3JudHJhZWdlckBkZS5pYm0uY29tPiB3cml0ZXM6Cgo+ IEFtIDExLjExLjIxIHVtIDE3OjMyIHNjaHJpZWIgUGFvbG8gQm9uemluaToKPj4gT24gMTEvMTEv MjEgMTc6MjcsIFZpdGFseSBLdXpuZXRzb3Ygd3JvdGU6Cj4+PiBUaGlzIGlzIGEgY29tdGludWF0 aW9uIG9mICJLVk06IHg4NjogRHJvcCBhcmJpdHJhdHkgS1ZNX1NPRlRfTUFYX1ZDUFVTIgo+Pj4g KGh0dHBzOi8vbG9yZS5rZXJuZWwub3JnL2t2bS8yMDIxMTExMTEzNDczMy44NjYwMS0xLXZrdXpu ZXRzQHJlZGhhdC5jb20vKQo+Pj4gd29yay4KPj4+Cj4+PiAxKSBFbmZvcmNlIEtWTV9DQVBfTlJf VkNQVVMgPD0gS1ZNX0NBUF9NQVhfVkNQVVMgcnVsZSBvbiBhbGwKPj4+IMKgIGFyY2hpdGVjdHVy ZXMuIFtTZWFuIENocmlzdG9waGVyc29uXQo+Pj4gMikgTWFrZSBLVk1fQ0FQX05SX1ZDUFVTIHJl dHVybiBudW1fb25saW5lX2NwdXMoKSBhbmQgbm90IGFuIGFyYml0cmFyeQo+Pj4gwqAgdmFsdWUg b2YgJzcxMCcgb24geDg2Lgo+Pj4KPj4+IEV2ZXJ5dGhpbmcgYnV0IHg4NiB3YXMgb25seSAnZXll YmFsbCB0ZXN0ZWQnLCB0aGUgY2hhbmdlIGlzIHRyaXZpYWwKPj4+IGJ1dCBzb3JyeSBpbiBhZHZh bmNlIGlmIEkgc2NyZXdlZCB1cCkKPj4gCj4+IENocmlzdGlhbiwgY2FuIHlvdSBsb29rIGF0IHRo aXMgZm9yIHMzOTA/wqAgUmV0dXJuaW5nIGEgZml4ZWQgdmFsdWUgc2VlbXMgd3JvbmcgZm9yIEtW TV9DQVBfTlJfVkNQVVMuCj4KPiBJZiB3ZSB0YWxrIGFib3V0IHJlY29tbWVuZGVkIG51bWJlciwg dGhlbiBudW1fb25saW5lX2NwdXMoKSBhbHNvIHNlZW1zIHRvIG1ha2Ugc2Vuc2Ugb24gczM5MCBz bwo+IGlmIHlvdSBjaGFuZ2UgdGhhdCBmb3IgczM5MCBhcyB3ZWxsIEkgY2FuIEFDSyB0aGlzLgoK VGhhbmtzIQoKRm9yIEtWTV9DQVBfTUFYX1ZDUFVTIHMzOTAgY29kZSByZXR1cm5zIG9uZSBvZiB0 aGUgdGhyZWUgdGhpbmdzOgpLVk1fUzM5MF9CU0NBX0NQVV9TTE9UUyg2NCksIEtWTV9NQVhfVkNQ VVMoMjU1KSBvcgpLVk1fUzM5MF9FU0NBX0NQVV9TTE9UUygyNDgpLgoKRm9yIEtWTV9DQVBfTlJf VkNQVVMsIHdvdWxkIGl0IGJlIGJldHRlciB0byByZXR1cm4gcmF3Cm51bV9vbmxpbmVfY3B1cygp OgoKZGlmZiAtLWdpdCBhL2FyY2gvczM5MC9rdm0va3ZtLXMzOTAuYyBiL2FyY2gvczM5MC9rdm0v a3ZtLXMzOTAuYwppbmRleCA2YTZkZDVlMWRhZjYuLmZjZWNiYjc2MmExYSAxMDA2NDQKLS0tIGEv YXJjaC9zMzkwL2t2bS9rdm0tczM5MC5jCisrKyBiL2FyY2gvczM5MC9rdm0va3ZtLXMzOTAuYwpA QCAtNTc4LDYgKzU3OCw4IEBAIGludCBrdm1fdm1faW9jdGxfY2hlY2tfZXh0ZW5zaW9uKHN0cnVj dCBrdm0gKmt2bSwgbG9uZyBleHQpCiAgICAgICAgICAgICAgICByID0gTUVNX09QX01BWF9TSVpF OwogICAgICAgICAgICAgICAgYnJlYWs7CiAgICAgICAgY2FzZSBLVk1fQ0FQX05SX1ZDUFVTOgor ICAgICAgICAgICAgICAgciA9IG51bV9vbmxpbmVfY3B1cygpOworICAgICAgICAgICAgICAgYnJl YWs7CiAgICAgICAgY2FzZSBLVk1fQ0FQX01BWF9WQ1BVUzoKICAgICAgICBjYXNlIEtWTV9DQVBf TUFYX1ZDUFVfSUQ6CiAgICAgICAgICAgICAgICByID0gS1ZNX1MzOTBfQlNDQV9DUFVfU0xPVFM7 CgpvciBjYXAgS1ZNX0NBUF9NQVhfVkNQVVMgdmFsdWUgd2l0aCBudW1fb25saW5lX2NwdXMoKSwg ZS5nLgoKZGlmZiAtLWdpdCBhL2FyY2gvczM5MC9rdm0va3ZtLXMzOTAuYyBiL2FyY2gvczM5MC9r dm0va3ZtLXMzOTAuYwppbmRleCA2YTZkZDVlMWRhZjYuLjFjZmUzNmY2NDMyZSAxMDA2NDQKLS0t IGEvYXJjaC9zMzkwL2t2bS9rdm0tczM5MC5jCisrKyBiL2FyY2gvczM5MC9rdm0va3ZtLXMzOTAu YwpAQCAtNTg1LDYgKzU4NSw4IEBAIGludCBrdm1fdm1faW9jdGxfY2hlY2tfZXh0ZW5zaW9uKHN0 cnVjdCBrdm0gKmt2bSwgbG9uZyBleHQpCiAgICAgICAgICAgICAgICAgICAgICAgIHIgPSBLVk1f TUFYX1ZDUFVTOwogICAgICAgICAgICAgICAgZWxzZSBpZiAoc2NscC5oYXNfZXNjYSAmJiBzY2xw Lmhhc182NGJzY2FvKQogICAgICAgICAgICAgICAgICAgICAgICByID0gS1ZNX1MzOTBfRVNDQV9D UFVfU0xPVFM7CisgICAgICAgICAgICAgICBpZiAoZXh0ID09IEtWTV9DQVBfTlJfVkNQVVMpCisg ICAgICAgICAgICAgICAgICAgICAgIHIgPSBtaW5fdCh1bnNpZ25lZCBpbnQsIG51bV9vbmxpbmVf Y3B1cygpLCByKTsKICAgICAgICAgICAgICAgIGJyZWFrOwogICAgICAgIGNhc2UgS1ZNX0NBUF9T MzkwX0NPVzoKICAgICAgICAgICAgICAgIHIgPSBNQUNISU5FX0hBU19FU09QOwoKRm9yIHJlZmVy ZW5jZSwgc2VlIG91ciBBUk0gZGlzY3Vzc2lvbjoKaHR0cHM6Ly9sb3JlLmtlcm5lbC5vcmcva3Zt LzIwMjExMTExMTYyNzQ2LjEwMDU5OC0yLXZrdXpuZXRzQHJlZGhhdC5jb20vCnRob3VnaCAzOTAn cyBzaXR1YXRpb24gaXMgZGlmZmVyZW50LCB0aGUgcmV0dXJuZWQgdmFsdWUgZm9yCktWTV9DQVBf TUFYX1ZDUFVTIGlzIG5vdCBWTS1kZXBlbmRlbnQuCgotLSAKVml0YWx5CgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWls aW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0 cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=