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由 Gautham R. Shenoy 提交于
On wakeup from a deep stop state which is supposed to lose the hypervisor state, we don't restore the LPCR to the old value but set it to a "sane" value via cur_cpu_spec->cpu_restore(). The problem is that the "sane" value doesn't include UPRT and the HR bits which are required to run correctly in Radix mode. Fix this on POWER9 onwards by restoring the LPCR value whatever it was before executing the stop instruction. Signed-off-by: NGautham R. Shenoy <ego@linux.vnet.ibm.com> Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
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