Fabrice Bellard wrote:
Avi Kivity wrote:
Hollis Blanchard wrote:
Out of curiosity, where are those places?
local apic -- needs to access interrupt disable flag
acpi sleep -- halts the current processor, so tied to cpustate
vmport -- bad ABI requires access to registers
These accesses are the exception and should be done with specific CPU
methods. IMHO, direct access to the CPU state should otherwise never be
done from devices.
Yes, this is what I'm working on now.
There are also non-devices that access CPUState but they are also
special cases (gdbstub, monitor, save/restore).
Regards,
Anthony Liguori
Regards,
Fabrice.
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