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 95D2FCD8CAE for ; Mon, 8 Jun 2026 14:43:32 +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-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=sscXwklOnYV0gFFVUJ8RREKxesyFEnFoEys4ws3GOQY=; b=0aPo86n45DSSR5 OdqGOaXgprhHa9Qqnop+gczM6JuSZLjHUspHbTFZxLZgdbUDHNmg136IOSxB9OZ8aywFSnNLpoMBp XjiIUV+iOyeJA84cdM3+ZCF6QG0niR6vnd8D9T7RwPtGjokOiZ2W1JXflhb0C1+xxAQ8uru3vML2q GjVXkoiN6nOodTnb8bo2GE11ExG73FRQxc2d/zXGBjItodaxb1UbtZZMuGiiWactpNKr0Z4ADXaZF CikcsbDiVupKJd4poEOkPmn8pn14LF50/59RQhNMuDF2wfcC5qlgmmhsdsDkxqUS9ferXZHvFu1tN F4xu4/qP6Zvg4/ujzM1Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wWbCO-00000003q8A-0Oe5; Mon, 08 Jun 2026 14:43:32 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wWbCG-00000003pp1-0Y61 for kvm-riscv@bombadil.infradead.org; Mon, 08 Jun 2026 14:43:24 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:MIME-Version :References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=FWOGUYeWOxsT4UPy/dLhzZ1VIiE+P/0sgaBT4DvO4Pc=; b=PeCUgNwe7+PhK/BE01pCGyA2yA 75Dr/+yjESoLPZEmAnKNaeXgouRinRx+Bm/+T5EHASdo1U0Txqgj7qi4pNNciUmYxQzbUCOHWqaZb Lw0wpyoG3X/V4OBM117oS6G9uryDTnz3jbYrSk4+Tsr3vk7BZCsuEDNI3v9GYthHhSI6aeCuNX2uN M8kjRcBDI5ymAKIIE1j8mqSC5vge4rFpM6AIP2BMrgkNgADXCEeImyl6jCcUzwdO0AWlPy/Nx90ev GkCOZBJKbOsnhX/nVZPP1emk38Q+vXS1t3UXc+ycSt8n9pyyiBnhGTVSn0gdNUiRIpuUv4dPADo3i KhphK8mA==; Received: from mail.8bytes.org ([2a01:238:42d9:3f00:e505:6202:4f0c:f051]) by desiato.infradead.org with esmtp (Exim 4.99.2 #2 (Red Hat Linux)) id 1wWbCB-0000000198y-3AaI for kvm-riscv@lists.infradead.org; Mon, 08 Jun 2026 14:43:22 +0000 Received: from io.home.8bytes.org (p4ffe1d30.dip0.t-ipconnect.de [79.254.29.48]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mail.8bytes.org (Postfix) with ESMTPSA id B9A7C2028D0; Mon, 8 Jun 2026 16:43:14 +0200 (CEST) From: =?UTF-8?q?J=C3=B6rg=20R=C3=B6del?= To: Paolo Bonzini , Sean Christopherson Cc: Tom Lendacky , ashish.kalra@amd.com, michael.roth@amd.com, nsaenz@amazon.com, anelkz@amazon.de, James.Bottomley@HansenPartnership.com, Melody Wang , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, kvmarm@lists.linux.dev, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm-riscv@lists.infradead.org, x86@kernel.org, coconut-svsm@lists.linux.dev, joerg.roedel@amd.com Subject: [PATCH 45/60] kvm: x86: Update state for all plane VCPUs after CPUID update Date: Mon, 8 Jun 2026 16:42:37 +0200 Message-ID: <20260608144252.351443-46-joro@8bytes.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260608144252.351443-1-joro@8bytes.org> References: <20260608144252.351443-1-joro@8bytes.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260608_154320_065911_F1208E31 X-CRM114-Status: GOOD ( 10.84 ) 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-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kvm-riscv" Errors-To: kvm-riscv-bounces+kvm-riscv=archiver.kernel.org@lists.infradead.org From: Joerg Roedel Make sure to update CPUID dependent state for all VCPUs of a given plane when CPUID state is updated. Signed-off-by: Joerg Roedel --- arch/x86/kvm/cpuid.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 27e2f7e25038..fab075bb6fdc 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -513,6 +513,8 @@ static int kvm_set_cpuid(struct kvm_vcpu *vcpu, struct kvm_cpuid_entry2 *e2, { struct kvm_vcpu_common *common = vcpu->common; u32 vcpu_caps[NR_KVM_CPU_CAPS]; + struct kvm_vcpu *v; + unsigned i; int r; /* @@ -562,9 +564,11 @@ static int kvm_set_cpuid(struct kvm_vcpu *vcpu, struct kvm_cpuid_entry2 *e2, #ifdef CONFIG_KVM_HYPERV if (kvm_cpuid_has_hyperv(vcpu)) { - r = kvm_hv_vcpu_init(vcpu); - if (r) - goto err; + vcpu_for_each_plane(common, i, v) { + r = kvm_hv_vcpu_init(vcpu); + if (r) + goto err; + } } #endif @@ -572,10 +576,12 @@ static int kvm_set_cpuid(struct kvm_vcpu *vcpu, struct kvm_cpuid_entry2 *e2, if (r) goto err; + vcpu_for_each_plane(vcpu->common, i, v) { #ifdef CONFIG_KVM_XEN - vcpu->arch.xen.cpuid = kvm_get_hypervisor_cpuid(vcpu, XEN_SIGNATURE); + v->arch.xen.cpuid = kvm_get_hypervisor_cpuid(vcpu, XEN_SIGNATURE); #endif - kvm_vcpu_after_set_cpuid(vcpu); + kvm_vcpu_after_set_cpuid(v); + } success: kvfree(e2); -- 2.53.0 -- kvm-riscv mailing list kvm-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kvm-riscv