Re: [PATCH v4 30/39] unwind_user/deferred: Make unwind deferral requests NMI-safe

Peter Zijlstra <[email protected]>
Newsgroups org.kernel.vger.linux-toolchains,org.kernel.vger.linux-kernel,org.kernel.vger.linux-perf-users,org.kernel.vger.linux-trace-kernel
Message-ID <[email protected]> 
On Thu, Jan 23, 2025 at 03:34:45PM -0800, Josh Poimboeuf wrote:

> Here's what I have at the moment.  unwind_deferred_request() is vastly
> simplified thanks to your suggestions, no more NMI-specific muck.
> work->pending is replaced with work->cookie so the task work can use it
> in case it crossed the cookie-clearing boundary (return-to-user with
> IRQs disabled).

That looks a lot saner, thanks! I'll be waiting for the next cycle, not
sure I can track all the changes in me head.
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