Re: [PATCH 1 of 53] ipath - fix spinlock recursion bug

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On 5/12/06, Bryan O'Sullivan <[email protected]> wrote:
The local loopback path for RC can lock the rkey table lock without
blocking interrupts.  The receive interrupt path can then call
ipath_rkey_ok() and deadlock.  Since the lock only protects a 64 bit read,
the lock isn't needed.
Uhhh, a 64 bit read is not atomic on all architectures. Certainly not i386.

Might want to verify safety of this.
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