On Mon, 24 Aug 2015, Qais Yousef wrote: > On 08/24/2015 01:49 PM, Thomas Gleixner wrote: > > On Mon, 24 Aug 2015, Qais Yousef wrote: > > > > > Some drivers might require to send ipi to other cores. So export it. > > Which IPIs do you need to send from a driver which are not exposed by > > the SMP functions already? > > It's not an SMP IPI. We use GIC to exchange interrupts between AXD and the > host system since AXD is another MIPS core in the cluster. So that should have been in the changelog to begin with. > > > This will be used later by AXD driver. > > That smells fishy and it wants a proper explanation WHY and not just a > > sloppy statement that it will be used later. I can figure that out > > myself as exporting a function without using it does not make any sense. > > Sorry for the terse explanation. As pointed above AXD uses GIC to send and > receive interrupts to the host core. Without this change I can't compile the > driver as a driver module because the symbol is not exported. Really? Exporting it solves that problem then. That's interesting news for me. Thanks, tglx
