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Re: [PATCH v2 10/16] x86/svm: Rename variable in svm_msr_write_intercept()
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 19 Aug 2025 13:48:01 +0200
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- Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Tue, 19 Aug 2025 11:48:14 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 15.08.2025 22:41, Andrew Cooper wrote:
> We're about to turn the rdmsr() macro into a real function, at which point
> Eclair complains that we're now shadowing an identifer.
>
> Rename rdmsr to is_rdmsr.
>
> No functional change.
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
> --- a/xen/arch/x86/hvm/svm/svm.c
> +++ b/xen/arch/x86/hvm/svm/svm.c
> @@ -2087,14 +2087,14 @@ static int cf_check svm_msr_write_intercept(
> static void svm_do_msr_access(struct cpu_user_regs *regs)
> {
> struct vcpu *curr = current;
> - bool rdmsr = curr->arch.hvm.svm.vmcb->exitinfo1 == 0;
> - int rc, inst_len = svm_get_insn_len(curr, rdmsr ? INSTR_RDMSR
> - : INSTR_WRMSR);
> + bool is_rdmsr = curr->arch.hvm.svm.vmcb->exitinfo1 == 0;
Could also have used the shorter "read" or "rd" instead.
Jan
> + int rc, inst_len = svm_get_insn_len(curr, is_rdmsr ? INSTR_RDMSR
> + : INSTR_WRMSR);
>
> if ( inst_len == 0 )
> return;
>
> - if ( rdmsr )
> + if ( is_rdmsr )
> {
> uint64_t msr_content = 0;
>
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