Re: [PATCH v2] ARM: KVM: prevent NULL pointer dereferences with KVM VCPU ioctl

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On Tue, May 14, 2013 at 12:07 AM, Andre Przywara
<andre.przywara@xxxxxxxxxx> wrote:
> On 05/14/2013 12:42 AM, Christoffer Dall wrote:
>>
>> On Mon, May 13, 2013 at 3:23 PM, Andre Przywara
>> <andre.przywara@xxxxxxxxxx> wrote:
>>>
>>> ooks like a natural candidate, but unfortunately struct kvm_vcpu is
>>> opaque
>>> here, so dereferencing it does not work without further changes which I
>>> do
>>> not deem to be justified. I used kvm_coproc.h instead, which is loosely
>>> related (KVM_[SG]ET_ONE_REG) and just simply works. If you don't think
>>> that's appropriate, just drop me a note. Patch follows in a separate
>>> mail.
>>
>>
>> eh, not crazy about the idea. x86 has
>> arch/x86/include/asm/kvm_guest.h, which may be the most appropriate,
>> or this could be generalized to other architectures as well and
>> included in include/linux/kvm_host.h.
>>
>> we can just stick it in arch/arm/kvm/arm.c for now and move later if
>> need be, no need to create a fuzz.
>
>
> Ok, would you mind to commit v2 and add the "inline" on the way?
>
If it stays in arm.c it shouldn't have an inline on there, I'll commit
the patch, thanks.

-Christoffer
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