On Tue, Mar 27, 2012 at 8:30 AM, Kumar Gala <ga...@kernel.crashing.org> wrote: > > On Mar 27, 2012, at 7:15 AM, Varun Sethi wrote: > >> FSL MPIC supports 16 bit vectors so our vector number space isn't >> restricted to 256 vectors. We should use the MPIC_LARG_VECTORS flag >> while intializing the MPIC. This also prevents us from eating in to >> hardware vector number space (MSIs) while setting up internal sources. > > What is driving this change?
Whats driving the change is proper handling of error interrupts. Right now error interrupts (muxed on int 16) are treated as a shared interrupt source. We want each to be handled as a individual interrupt source...thus the desire to support more than 256 interrupts. Stuart _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
