Re: uses of cmpxchg/xadd in spinlock.h and rwsem.h vs. CONFIG_M386

[Jan Beulich]

>>> "H. Peter Anvin" <hpa@xxxxxxxxx> 12.05.09 18:04 >>>
>Nick Piggin wrote:
>> 
>> Is it time to get rid of attempts to support SMP kernels that run on 386, then?
>> Considering we don't actually support SMP 386, and if there is any 386 systems
>> then they're going to be running custom kernels anyway.
>> 
>
>Makes sense to me.  We have never supported SMP 386 to the best of my
>knowledge, and a patch to rip that out would be appreciated.

But why shouldn't a distro be allowed to configure a kernel that runs (UP) on
i386 and also MP on modern systems?

Jan

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