Messages in this thread | | | Date | Tue, 5 Aug 2008 21:15:36 +0300 | From | Adrian Bunk <> | Subject | Re: [patch 1/4] Configure out AIO support |
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On Fri, Aug 01, 2008 at 12:42:22AM +0200, Bernhard Fischer wrote: > On Thu, Jul 31, 2008 at 01:12:19PM +0300, Adrian Bunk wrote: > >On Thu, Jul 31, 2008 at 12:09:29PM +0200, Bernhard Fischer wrote: > >> On Thu, Jul 31, 2008 at 11:27:04AM +0200, Thomas Petazzoni wrote: > >> >This patchs adds the CONFIG_AIO option which allows to remove support > >> >for asynchronous I/O operations, that are not necessarly used by > >> >applications, particularly on embedded devices. As this is a > >> >size-reduction option, it depends on CONFIG_EMBEDDED. It allows to > >> >save ~7 kilobytes of kernel code/data: > >> > >> Shouldn't this also make sure not to install aio_abi.h or at least an > >> empty aio_abi.h? > > > >The userspace headers are independent of any kernel configuration > >(except for the architecture). > > I beg to disagree: > internals as exposed by e.g. aio_abi.h are impl dependent. Noone except > the impl and it's users are interrested in it. >...
That's utter bullshit.
The contents of aio_abi.h is a kernel<->userspace ABI that mustn't ever change. [1]
cu Adrian
[1] there are some exceptions like adding stuff (but not in existing structs), but basically the contents of aio_abi.h is cast in stone
--
"Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed
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