* Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > Hi Ingo, > > Thanks for this. The concept is certainly good. > > On Thu, 14 May 2015 21:59:25 +0200 Ingo Molnar <mingo@xxxxxxxxxx> wrote: > > > > The patch that adds a new architecture to all these files would give > > us a good overview about how complete an initial port is. > > If you want to test how hard that is (and what sort of patch it > produces), the h8300 architecture was added to linux-next recently. I tried this out, this is the resulting feature support matrix for the new h8300 architecture: # # Kernel feature support matrix of architecture 'h8300': # arch-tick-broadcast: | h8300: | TODO | BPF-JIT: | h8300: | TODO | clockevents: | h8300: | ok | cmpxchg-local: | h8300: | TODO | context-tracking: | h8300: | TODO | dma-api-debug: | h8300: | TODO | dma-contiguous: | h8300: | TODO | dma_map_attrs: | h8300: | ok | ELF-ASLR: | h8300: | TODO | gcov-profile-all: | h8300: | TODO | generic-idle-thread: | h8300: | TODO | huge-vmap: | h8300: | TODO | ioremap_prot: | h8300: | TODO | irq-time-acct: | h8300: | TODO | jump-labels: | h8300: | TODO | KASAN: | h8300: | TODO | kgdb: | h8300: | TODO | kprobes: | h8300: | TODO | kprobes-event: | h8300: | TODO | kprobes-on-ftrace: | h8300: | TODO | kretprobes: | h8300: | TODO | lockdep: | h8300: | TODO | modern-timekeeping: | h8300: | ok | numa-balancing: | h8300: | .. | numa-memblock: | h8300: | .. | optprobes: | h8300: | TODO | perf-regs: | h8300: | TODO | perf-stackdump: | h8300: | TODO | PG_uncached: | h8300: | TODO | pmdp_splitting_flush: | h8300: | TODO | pte_special: | h8300: | TODO | queued-rwlocks: | h8300: | TODO | queued-spinlocks: | h8300: | TODO | rwsem-optimized: | h8300: | ok | seccomp-filter: | h8300: | TODO | sg-chain: | h8300: | TODO | stackprotector: | h8300: | TODO | strncasecmp: | h8300: | TODO | THP: | h8300: | .. | tracehook: | h8300: | TODO | uprobes: | h8300: | TODO | user-ret-profiler: | h8300: | TODO | virt-cpuacct: | h8300: | TODO | Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html