Re: [patch] generic rwsems

[Andi Kleen]

On Friday 13 April 2007 12:04:16 Nick Piggin wrote:
> OK, this patch is against 2.6.21-rc6 + Mathieu's atomic_long patches.
> 
> Last time this came up I was asked to get some numbers, so here are
> some in the changelog, captured with a simple kernel module tester.
> I got motivated again because of the MySQL/glibc/mmap_sem issue.
> 
> This patch converts all architectures to a generic rwsem implementation,
> which will compile down to the same code for i386, or powerpc, for
> example, and will allow some (eg. x86-64) to move away from spinlock
> based rwsems.
> 
> Comments?

Fine for me from the x86-64 side. Some more validation with a test suite
would be good though.

-Andi
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