Re: [userns:userns-always-map-user-v45 80/99] fs/namespace.c:2290:1:error: unknown type name 'atomic64_t'

[Fengguang Wu]

On Tue, Aug 14, 2012 at 01:55:16AM +0800, Fengguang Wu wrote:
> > >I'd suggest to fix it in m68k and make atomic64_t generally available.
> > 
> > Fengguang in your testing on any architechtures is atomic64_t missing on anything except some m68k subarchtechtures?
> 
> Eric, it only complaints for m68k, among the architechtures the build
> tests covered (alpha arm avr32 blackfin cris frv h8300 i386 ia64 m32r
> m68k mips mn10300 openrisc parisc powerpc s390 sh sparc sparc64 tile
> um x86_64 xtensa).

Sorry, I must missed something (in my system, build errors are only
recorded on first sight)..

wfg /c/linux% for arch in arch/*/; do grep -ir -q atomic64 $arch || echo $arch; done
arch/c6x/
arch/h8300/
arch/mn10300/
arch/score/
arch/unicore32/

So the above archs are likely still missing atomic64_t support.
However it should be trivial to add support to them, by adding
"select GENERIC_ATOMIC64" lines to them.

Thanks,
Fengguang
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