linux-kernel - Re: [PATCH 10/25] KVM: TDX: Initialize KVM supported capabilities when module setup

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Message-ID: <ZtGEBiAS7-NzBIoE@tlindgre-MOBL1>
Date: Fri, 30 Aug 2024 11:34:14 +0300
From: Tony Lindgren <tony.lindgren@...ux.intel.com>
To: Chao Gao <chao.gao@...el.com>
Cc: Rick Edgecombe <rick.p.edgecombe@...el.com>, seanjc@...gle.com,
	pbonzini@...hat.com, kvm@...r.kernel.org, kai.huang@...el.com,
	isaku.yamahata@...il.com, xiaoyao.li@...el.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 10/25] KVM: TDX: Initialize KVM supported capabilities
 when module setup

On Tue, Aug 13, 2024 at 11:25:37AM +0800, Chao Gao wrote:
> On Mon, Aug 12, 2024 at 03:48:05PM -0700, Rick Edgecombe wrote:
> >From: Xiaoyao Li <xiaoyao.li@...el.com>
> >+static int __init setup_kvm_tdx_caps(void)
> >+{
> >+	const struct tdx_sysinfo_td_conf *td_conf = &tdx_sysinfo->td_conf;
> >+	u64 kvm_supported;
> >+	int i;
> >+
> >+	kvm_tdx_caps = kzalloc(sizeof(*kvm_tdx_caps) +
> >+			       sizeof(struct kvm_tdx_cpuid_config) * td_conf->num_cpuid_config,
> 
> struct_size()
> 
> >+			       GFP_KERNEL);
> >+	if (!kvm_tdx_caps)
> >+		return -ENOMEM;

This will go away with the dropping of struct kvm_tdx_caps. Should be checked
for other places though.

Regards,

Tony