local_t Documentation update 2

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Grant Grundler was asking for more detail about correct usage of local
atomic operations and suggested adding the resulting summary to
local_ops.txt.

"Please add a bit more detail.  If DaveM is correct (he normally is), then
there must be limits on how the local_t can be used in the kernel process
and interrupt contexts.  I'd like those rules spelled out very clearly
since it's easy to get wrong and tracking down such a bug is quite
painful."

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Grant Grundler <grundler@parisc-linux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

...

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Mathieu Desnoyers 2007-10-16 23:29:28 -07:00 • committed by Linus Torvalds

parent 8e3f715a7f

commit 74beb9db77

1 changed files with 23 additions and 0 deletions

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Documentation/local_ops.txt

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