Re: [PATCH 09/10] x86-32: use SSE for atomic64_read/set ifavailable

[Peter Zijlstra]

On Thu, 2010-02-18 at 11:50 +0100, Luca Barbieri wrote:
> If we use the stack instead of per-CPU variables, all IRQs and NMIs
> preserve CR0 and the SSE registers, so this would be safe, right?

You'd have to take special care to deal with nested IRQs I think.

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