On 08.01.2012, at 14:13, Avi Kivity wrote:
> On 01/04/2012 03:10 AM, Alexander Graf wrote:
>> From: Scott Wood <[email protected]>
>>
>> This implements a shared-memory API for giving host userspace access to
>> the guest's TLB.
>>
>>
>> +4.59 KVM_DIRTY_TLB
>> +
>> +Capability: KVM_CAP_SW_TLB
>> +Architectures: ppc
>> +Type: vcpu ioctl
>> +Parameters: struct kvm_dirty_tlb (in)
>> +Returns: 0 on success, -1 on error
>> +
>> +struct kvm_dirty_tlb {
>> + __u64 bitmap;
>> + __u32 num_dirty;
>> +};
>
> Changes size with 32/64 bit userspace - is this an issue on this subarch?
#include <stdio.h>
int main(int argc, char **argv)
{
struct x {
long long a;
int b;
} x;
printf("%d\n", sizeof(x));
return 0;
}
---
agraf@lychee:/dev/shm> gcc align.c -o align -m64
agraf@lychee:/dev/shm> ./align
16
agraf@lychee:/dev/shm> gcc align.c -o align -m32
agraf@lychee:/dev/shm> ./align
16
Alex
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