wmask = SRR1_WAKEMASK_P8;
idle_states = pnv_get_supported_cpuidle_states();
+
/* We don't want to take decrementer interrupts while we are offline,
- * so clear LPCR:PECE1. We keep PECE2 enabled.
+ * so clear LPCR:PECE1. We keep PECE2 (and LPCR_PECE_HVEE on P9)
+ * enabled as to let IPIs in.
*/
mtspr(SPRN_LPCR, mfspr(SPRN_LPCR) & ~(u64)LPCR_PECE1);
* contains 0.
*/
if (((srr1 & wmask) == SRR1_WAKEEE) ||
+ ((srr1 & wmask) == SRR1_WAKEHVI) ||
(local_paca->irq_happened & PACA_IRQ_EE)) {
- icp_native_flush_interrupt();
+ if (cpu_has_feature(CPU_FTR_ARCH_300))
+ icp_opal_flush_interrupt();
+ else
+ icp_native_flush_interrupt();
} else if ((srr1 & wmask) == SRR1_WAKEHDBELL) {
unsigned long msg = PPC_DBELL_TYPE(PPC_DBELL_SERVER);
asm volatile(PPC_MSGCLR(%0) : : "r" (msg));
if (srr1 && !generic_check_cpu_restart(cpu))
DBG("CPU%d Unexpected exit while offline !\n", cpu);
}
+
+ /* Re-enable decrementer interrupts */
mtspr(SPRN_LPCR, mfspr(SPRN_LPCR) | LPCR_PECE1);
DBG("CPU%d coming online...\n", cpu);
}