> The first block of code detects the need for a demotion and changes the > global mmu_vmalloc_psize, along with changing the value on the local CPU > (and flushing it's SLB). But other CPUs still have the old values. > > The second block of code checks if the global value matches the per-CPU > value and if not, proceeds to a local SLB flush. That's how the "other" > CPUs get the new value. > > If your shadow is per-CPU, it thus needs to be updated in both cases.
Hrm.. I must have been looking at older sources or lacked caffeine, we indeed only do the paca update and the flush&rebolt once. Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
