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SubjectRe: [RFC][PATCH 0/5] arch: atomic rework
On 02/06/14 18:25, David Howells wrote:
> Is it worth considering a move towards using C11 atomics and barriers and
> compiler intrinsics inside the kernel? The compiler _ought_ to be able to do
> these.

It sounds interesting to me, if we can make it work properly and
reliably. + for others in the GCC community to chip in.

> One thing I'm not sure of, though, is how well gcc's atomics will cope with
> interrupt handlers touching atomics on CPUs without suitable atomic
> instructions - that said, userspace does have to deal with signals getting
> underfoot. but then userspace can't normally disable interrupts.
> David


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