On 30/07/13 04:49, Christoffer Dall wrote:
> On Mon, Jul 22, 2013 at 11:40:38AM +0800, Chen Gang wrote:
>> 'target' will be set to '-1' in kvm_arch_vcpu_init(), and it need check
>> 'target' whether less than zero or not in kvm_vcpu_initialized().
>>
>> So need define target as 'int' instead of 'u32', just like ARM has done.
>>
>>
>> The related warning:
>>
>> arch/arm64/kvm/../../../arch/arm/kvm/arm.c:497:2: warning: comparison of
>> unsigned expression >= 0 is always true [-Wtype-limits]
>>
>> Signed-off-by: Chen Gang <[email protected]>
>> ---
>> arch/arm64/include/asm/kvm_host.h | 2 +-
>> 1 files changed, 1 insertions(+), 1 deletions(-)
>>
>> diff --git a/arch/arm64/include/asm/kvm_host.h
>> b/arch/arm64/include/asm/kvm_host.h
>> index 644d739..0859a4d 100644
>> --- a/arch/arm64/include/asm/kvm_host.h
>> +++ b/arch/arm64/include/asm/kvm_host.h
>> @@ -129,7 +129,7 @@ struct kvm_vcpu_arch {
>> struct kvm_mmu_memory_cache mmu_page_cache;
>>
>> /* Target CPU and feature flags */
>> - u32 target;
>> + int target;
>> DECLARE_BITMAP(features, KVM_VCPU_MAX_FEATURES);
>>
>> /* Detect first run of a vcpu */
>> --
>> 1.7.7.6
>
> This looks ok to me, Marc, was there any reason to declare target a u32
> on arm64?
No, that's simply a bug. I really wonder why my compiler doesn't scream
at something that obvious...
Chen: what compiler version are you using?
I'll queue this fix.
Thanks,
M.
--
Jazz is not dead. It just smells funny...
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