[PATCH] ARM(64): KVM: add signed type cast for comparation

'len' is 'unsigned long' which is never less than zero. So need a related type cast for comparation. The related warning (when building ARM64 with allmodconfig): arch/arm64/kvm/../../../arch/arm/kvm/mmio.c:82:2: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]

Re: [PATCH] ARM(64): KVM: add signed type cast for comparation

Hello Maintainers: Please help check the patch whether OK or not, when you have time. Thanks. On 07/22/2013 11:20 AM, Chen Gang wrote: > 'len' is 'unsigned long' which is never less than zero. > > So need a related type cast for comparation. > > The related warning (when building ARM64 with al

Re: [PATCH] ARM(64): KVM: add signed type cast for comparation

On Mon, Jul 22, 2013 at 11:20:12AM +0800, Chen Gang wrote: > 'len' is 'unsigned long' which is never less than zero. > > So need a related type cast for comparation. > > The related warning (when building ARM64 with allmodconfig): > > arch/arm64/kvm/../../../arch/arm/kvm/mmio.c:82:2: warning:

Re: [PATCH] ARM(64): KVM: add signed type cast for comparation

On 07/30/2013 11:45 AM, Christoffer Dall wrote: > On Mon, Jul 22, 2013 at 11:20:12AM +0800, Chen Gang wrote: >> 'len' is 'unsigned long' which is never less than zero. >> >> So need a related type cast for comparation. >> >> The related warning (when building ARM64 with allmodconfig): >> >> arch/