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SubjectRe: [PATCH] KVM: x86: fix empty-body warnings
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On 08/11/18 09:48, Yi Wang wrote:
> We get the following warnings about empty statements when building
> with 'W=1':
>
> arch/x86/kvm/lapic.c:632:53: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
> arch/x86/kvm/lapic.c:1907:42: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
> arch/x86/kvm/lapic.c:1936:65: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
> arch/x86/kvm/lapic.c:1975:44: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
>
> Rework the debug helper macro to get rid of these warnings.
>
> Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
> ---
> arch/x86/kvm/lapic.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
> index 89db20f..53b8c8e 100644
> --- a/arch/x86/kvm/lapic.c
> +++ b/arch/x86/kvm/lapic.c
> @@ -55,7 +55,7 @@
> #define PRIo64 "o"
>
> /* #define apic_debug(fmt,arg...) printk(KERN_WARNING fmt,##arg) */
> -#define apic_debug(fmt, arg...)
> +#define apic_debug(fmt, arg...) do {} while (0)
>
> /* 14 is the version for Xeon and Pentium 8.4.8*/
> #define APIC_VERSION (0x14UL | ((KVM_APIC_LVT_NUM - 1) << 16))
>

Queued, thanks.

Paolo

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