Hi Jan, On Thursday, February 6, 2020 at 12:06:05 PM UTC-7, Jan Kiszka wrote: > > On 06.02.20 20:00, Michael Hinton wrote: > > map_range((char *)MGH_HEAP_BASE, MGH_HEAP_SIZE, MAP_UNCACHED); > > Why are you mapping your RAM uncached? That's (roughly) only needed for > MMIO. > I guess I was copying the other map_range() call used to set up the IVSHMEM from the ivshmem demo. So I have no particular reason.
I see that it sets the PG_PCD argument to the page table entry in map_range(). What does that do? Should I set it to MAP_UNCACHED and see if that helps with performance? Thanks, -Michael -- You received this message because you are subscribed to the Google Groups "Jailhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jailhouse-dev/3d7d68d7-b54d-4610-b50d-528c1c2be781%40googlegroups.com.
