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2013 Feb 18
2
[PATCH v2 2/4] xen/arm: do not use is_running to decide whether we can write directly to the LR registers
During context switch is_running is set for the next vcpu before the
gic state is actually saved.
This leads to possible nasty races when interrupts need to be injected
after is_running is set to the next vcpu but before the currently
running gic state has been saved from the previous vcpu.
Use current instead of is_running to check which one is the currently
running vcpu: set_current is called