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linuxkpi: Add spin_trylock_irqsave() macro

Authored by nc on Jun 9 2021, 6:19 PM.

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R10 FreeBSD src repository
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nc requested review of this revision.Jun 9 2021, 6:19 PM

Please explain what it does and why it's needed.

On Linux, spin_trylock_irqsave() is used when you want to save the IRQ before doing a trylock, however we aren't doing this as we do in spin_trylock_irq(). This is called in the i915 part of the drm-kmod 5.7 update.

This revision is now accepted and ready to land.Jul 15 2021, 7:44 AM
This revision was automatically updated to reflect the committed changes.