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linuxkpi: Add spin_trylock_irqsave() macro

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This is needed by the drm-kmod 5.6 update.

Reviewed by:		hselasky
Differential Revision:	https://reviews.freebsd.org/D30706

(cherry picked from commit 086cfe4df8)
This commit is contained in:
Neel Chauhan 2021-07-15 07:52:42 -07:00
parent f72db34d22
commit 511bbe502e
1 changed files with 5 additions and 0 deletions
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5
sys/compat/linuxkpi/common/include/linux/spinlock.h
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@ -104,6 +104,11 @@ typedef struct {
#define spin_trylock_irq(_l) \
spin_trylock(_l)
#define spin_trylock_irqsave(_l, flags) ({ \
(flags) = 0; \
spin_trylock(_l); \
})
#define spin_lock_nested(_l, _n) do { \
if (SPIN_SKIP()) \
break; \