[openfabrics-ewg] [PATCH] ehca backport linux_spinlock_to_2_6_9.patch

[Hoang-Nam Nguyen]

> IPoIB certainly already builds on RHEL U2 which is what 2.6.9 directory
> supports. So why is this needed?
If I compile against eg 2.6.9-42.3-RHEL, you're right, this patch
is not necessary.
I also compiled against 2.6.9 from kernel.org and saw that
spin_trylock_irqsave() is not there.  I was surprised too. I might be
wrong, but find+grep did not show it to me.
Nam Nguyen