linux-kernel - Re: [PATCH 3/3] KVM: VMX: Print out "bad" offsets+value on VMCS config mismatch

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Message-ID: <aXeA1pTiDDtikdWD@google.com>
Date: Mon, 26 Jan 2026 06:57:26 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Mathias Krause <minipli@...ecurity.net>, John Allen <john.allen@....com>, 
	Rick Edgecombe <rick.p.edgecombe@...el.com>, Chao Gao <chao.gao@...el.com>, 
	Binbin Wu <binbin.wu@...ux.intel.com>, Xiaoyao Li <xiaoyao.li@...el.com>, 
	Jim Mattson <jmattson@...gle.com>
Subject: Re: [PATCH 3/3] KVM: VMX: Print out "bad" offsets+value on VMCS
 config mismatch

On Fri, Jan 23, 2026, Sean Christopherson wrote:
> +			pr_cont("  Offset %lu REF = 0x%08x, CPU%u = 0x%08x, mismatch = 0x%08x\n",
> +				i * sizeof(u32), gold[i], cpu, mine[i], gold[i] ^ mine[i]);

As pointed out by the kernel bot, sizeof() isn't an unsigned long on 32-bit.
Simplest fix is to force it to an int.

			pr_cont("  Offset %u REF = 0x%08x, CPU%u = 0x%08x, mismatch = 0x%08x\n",
				i * (int)sizeof(u32), gold[i], cpu, mine[i], gold[i] ^ mine[i]);