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| author | Neel Chauhan <nc@FreeBSD.org> | 2021-07-15 14:52:42 +0000 |
|---|---|---|
| committer | Neel Chauhan <nc@FreeBSD.org> | 2021-07-15 14:52:42 +0000 |
| commit | 086cfe4df8ab237f0cf156e95d36657250931981 (patch) | |
| tree | f8a28935b94ce4dc476a644f9937d2019ca1941a /sys | |
| parent | 65788dae3117ed307d8d507a06a43f2b32d342fa (diff) | |
| download | src-086cfe4df8ab237f0cf156e95d36657250931981.tar.gz src-086cfe4df8ab237f0cf156e95d36657250931981.zip | |
linuxkpi: Add spin_trylock_irqsave() macro
This is needed by the drm-kmod 5.6 update.
Reviewed by: hselasky
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D30706
Diffstat (limited to 'sys')
| -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 46b1f8b9a180..56eaecfb4cd6 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; \ |