Vineet Gupta wrote:
I'm trying to implement atomic ops for a CPU which has no inherent
support for Read-Modify-Write Ops. Instead of using a global spin lock
which protects all the atomic APIs, I want to use a spin lock per
instance of atomic_t.
What operations are you using to implement spinlocks?
A few architectures use arrays of spinlocks to implement atomic_t. I believe
sparc and parisc are among them. Assuming your spinlock implementation is sound
and efficient, the same technique should work for you.
-- Chris
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