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

Ingo Molnar
2015-05-15T07:38:16Z

* Stephen Rothwell <sfr@canb.auug.org.au> wrote:

> Hi Ingo,
>
> Thanks for this. The concept is certainly good.
>
> On Thu, 14 May 2015 21:59:25 +0200 Ingo Molnar <mingo@kernel.org> 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