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Re: [Qemu-devel] [PATCH 1/2] tcg: Use QEMU_BUILD_BUG_ON for CPU_TLB_ENTR
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From: |
li guang |
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Subject: |
Re: [Qemu-devel] [PATCH 1/2] tcg: Use QEMU_BUILD_BUG_ON for CPU_TLB_ENTRY_BITS |
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Date: |
Wed, 05 Jun 2013 09:37:54 +0800 |
Reviewed-by: liguang <address@hidden>
在 2013-06-04二的 09:58 -0700，Richard Henderson写道：
> Rather than a hand-coded version of the same thing.
>
> Signed-off-by: Richard Henderson <address@hidden>
> ---
> include/exec/cpu-defs.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/exec/cpu-defs.h b/include/exec/cpu-defs.h
> index d8c64e9..2e5a9ba 100644
> --- a/include/exec/cpu-defs.h
> +++ b/include/exec/cpu-defs.h
> @@ -99,7 +99,7 @@ typedef struct CPUTLBEntry {
> sizeof(uintptr_t))];
> } CPUTLBEntry;
>
> -extern int CPUTLBEntry_wrong_size[sizeof(CPUTLBEntry) == (1 <<
> CPU_TLB_ENTRY_BITS) ? 1 : -1];
> +QEMU_BUILD_BUG_ON(sizeof(CPUTLBEntry) != (1 << CPU_TLB_ENTRY_BITS));
>
> #define CPU_COMMON_TLB \
> /* The meaning of the MMU modes is defined in the target code. */ \