Re: [PATCH v11 0/8] rust: Add IO polling

On Thu, Feb 20, 2025 at 04:06:02PM +0900, FUJITA Tomonori wrote:

Add a helper function to poll periodically until a condition is met or
a timeout is reached. By using the function, the 8th patch fixes
QT2025 PHY driver to sleep until the hardware becomes ready.

The first patch is for sched/core, which adds
__might_sleep_precision(), rust friendly version of __might_sleep(),
which takes a pointer to a string with the length instead of a
null-terminated string. Rust's core::panic::Location::file(), which
gives the file name of a caller, doesn't provide a null-terminated
string. __might_sleep_precision() uses a precision specifier in the
printk format, which specifies the length of a string; a string
doesn't need to be a null-terminated.

The remaining patches are for the Rust portion and updates to the
MAINTAINERS file.

This introduces two new types, Instant and Delta, which represent a
specific point in time and a span of time, respectively.

I propose we should make forward-progress by merging patch #2 to #6 in
mainline first. These are relatively trivial and only affect Rust side,
and the whole patchest does show that they have potential users.

Thomas, John, Stephen, Anna-Maria and Frederic, does this sound good to
you? If so, could any of you provide Acked-by/Reviewed-by and suggest
how should we route these patches? Thanks a lot!

Regards,
Boqun

Unlike the old rust branch, This adds a wrapper for fsleep() instead
of msleep(). fsleep() automatically chooses the best sleep method
based on a duration.

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