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| author | Neel Chauhan <nc@FreeBSD.org> | 2021-07-15 14:52:42 +0000 |
|---|---|---|
| committer | Neel Chauhan <nc@FreeBSD.org> | 2021-07-18 01:08:06 +0000 |
| commit | 511bbe502e8ad50d7b22feefec7bb7c2534a7571 (patch) | |
| tree | 790fe21a0aab9aaab0ec0df163dde21b4fb467e5 | |
| parent | f72db34d2295080f57a283858125aa906c0d409e (diff) | |
| download | src-511bbe502e8ad50d7b22feefec7bb7c2534a7571.tar.gz src-511bbe502e8ad50d7b22feefec7bb7c2534a7571.zip | |
linuxkpi: Add spin_trylock_irqsave() macro
This is needed by the drm-kmod 5.6 update.
Reviewed by: hselasky
Differential Revision: https://reviews.freebsd.org/D30706
(cherry picked from commit 086cfe4df8ab237f0cf156e95d36657250931981)
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/spinlock.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/spinlock.h b/sys/compat/linuxkpi/common/include/linux/spinlock.h index ca51fd23434c..458d8d9f8da9 100644 --- a/sys/compat/linuxkpi/common/include/linux/spinlock.h +++ b/sys/compat/linuxkpi/common/include/linux/spinlock.h @@ -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; \ |