On 01/10/2011 11:21 PM, Jan Kiszka wrote:
Am 10.01.2011 22:06, Jan Kiszka wrote:
kvmclock should be created with
kvm_state as a parameter and kvm_vm_ioctl() is passed the stored
reference. Taking a global reference to kvm_state in machine_init is
not a bad thing, obviously the machine initialization function needs
access to the kvm_state.
This would also require changing sysbus interfaces for the sake of KVM's
"abstraction". If this is the only way forward, I could look into this.
Actually, there is already a channel to pass pointers to qdev devices:
the pointer property hack. I'm not sure we should contribute to its user
base or take the chance for a cleanup, but we are not alone with this
requirement. Point below remains valid, though.
The pointer property uses, at least last time I checked, were all:
1) for a CPU (apic, etrax interrupt controller)
2) for a device (sparc IIRC)
3) useless (smbus_eeprom.c)
So adding a fourth kind is not really a good idea, I think.
Paolo
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