linuxkpi: Add spin_trylock_irqsave() macro
ClosedPublic
Actions

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

Tags

None

Referenced Files

	Unknown Object (File)
	Mon, Nov 18, 2:27 PM

	Unknown Object (File)
	Fri, Nov 15, 7:11 PM

	Unknown Object (File)
	Thu, Nov 14, 8:05 AM

	Unknown Object (File)
	Tue, Nov 12, 8:27 AM

	Unknown Object (File)
	Sun, Nov 10, 2:29 AM

	Unknown Object (File)
	Sun, Nov 10, 12:08 AM

	Unknown Object (File)
	Sat, Nov 9, 12:47 PM

	Unknown Object (File)
	Sat, Nov 9, 11:38 AM

Subscribers

Details

Reviewers

bz
manu
• hselasky

Group Reviewers

linuxkpi

Commits

rG511bbe502e8a: linuxkpi: Add spin_trylock_irqsave() macro
rG086cfe4df8ab: linuxkpi: Add spin_trylock_irqsave() macro

Summary

This is needed by the drm-kmod 5.6 update

Diff Detail

Repository

rG FreeBSD src repository

Lint

Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

nc created this revision.Jun 9 2021, 6:19 PM

Herald added a subscriber: emaste. · View Herald TranscriptJun 9 2021, 6:19 PM

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.

nc edited the summary of this revision. (Show Details)Jul 15 2021, 12:48 AM

Looks good to me.

This revision is now accepted and ready to land.Jul 15 2021, 7:44 AM

Closed by commit rG086cfe4df8ab: linuxkpi: Add spin_trylock_irqsave() macro (authored by nc). · Explain WhyJul 15 2021, 2:54 PM

This revision was automatically updated to reflect the committed changes.

nc added a commit: rG086cfe4df8ab: linuxkpi: Add spin_trylock_irqsave() macro.

nc added a commit: rG511bbe502e8a: linuxkpi: Add spin_trylock_irqsave() macro.Jul 18 2021, 1:09 AM

Revision Contents
Changeset List

Path

Size

sys/

compat/

linuxkpi/

common/

include/

linux/

spinlock.h

5 lines

Diff 92228

View Options

sys/compat/linuxkpi/common/include/linux/spinlock.h

linuxkpi: Add spin_trylock_irqsave() macroClosedPublicActions