Re: [PATCH v2] Documentation/arch: Add kernel feature descriptions and arch support status under Documentation/features/

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* 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
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