From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 72E5D3AE45 for ; Wed, 7 Jun 2023 20:28:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E6579C433EF; Wed, 7 Jun 2023 20:28:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1686169690; bh=DxuCZLxNKZOGFkbLW1z7lpppJgobYKFNPo00ELiykPw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DYN0hXh1tMEekGSh0MpPVrmo8b5f1DfDCx91ThS0B7ZaWVElo4esEEm/Nnf733BAa OZq2LcOmZqWHSXRy6Y/1wY+d+y/1ICRQf/TDVBHTR1e+WBx6ZhgDyGgQewwNNdmJhl Su1FOQPgjaDoL/+XH7lMqJzs46wIfBk19cYLL+ek= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jean-Philippe Brucker , Oliver Upton , Marc Zyngier , Sasha Levin Subject: [PATCH 6.3 177/286] KVM: arm64: vgic: Fix locking comment Date: Wed, 7 Jun 2023 22:14:36 +0200 Message-ID: <20230607200929.039849965@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230607200922.978677727@linuxfoundation.org> References: <20230607200922.978677727@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Jean-Philippe Brucker [ Upstream commit c38b8400aef99d63be2b1ff131bb993465dcafe1 ] It is now config_lock that must be held, not kvm lock. Replace the comment with a lockdep annotation. Fixes: f00327731131 ("KVM: arm64: Use config_lock to protect vgic state") Signed-off-by: Jean-Philippe Brucker Reviewed-by: Oliver Upton Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/r/20230518100914.2837292-4-jean-philippe@linaro.org Signed-off-by: Sasha Levin --- arch/arm64/kvm/vgic/vgic-v4.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kvm/vgic/vgic-v4.c b/arch/arm64/kvm/vgic/vgic-v4.c index 3bb0034780605..c1c28fe680ba3 100644 --- a/arch/arm64/kvm/vgic/vgic-v4.c +++ b/arch/arm64/kvm/vgic/vgic-v4.c @@ -184,13 +184,14 @@ static void vgic_v4_disable_vsgis(struct kvm_vcpu *vcpu) } } -/* Must be called with the kvm lock held */ void vgic_v4_configure_vsgis(struct kvm *kvm) { struct vgic_dist *dist = &kvm->arch.vgic; struct kvm_vcpu *vcpu; unsigned long i; + lockdep_assert_held(&kvm->arch.config_lock); + kvm_arm_halt_guest(kvm); kvm_for_each_vcpu(i, vcpu, kvm) { -- 2.39.2