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| author | Keir Fraser <keir@xen.org> | 2010-11-16 15:41:28 +0000 |
|---|---|---|
| committer | Keir Fraser <keir@xen.org> | 2010-11-16 15:41:28 +0000 |
| commit | 89b31d1255573286bab1853f47bfa50ff9d89801 (patch) | |
| tree | a1debc5ea0b01fa56da3738705c3048c5dd83d64 /xen/include/xen/lib.h | |
| parent | 106f2288c2a71e4f6438d5e2571a78720e659d34 (diff) | |
| download | xen-89b31d1255573286bab1853f47bfa50ff9d89801.tar.gz xen-89b31d1255573286bab1853f47bfa50ff9d89801.tar.bz2 xen-89b31d1255573286bab1853f47bfa50ff9d89801.zip | |
Add locking-depth debugging, introduce in_atomic() boolean.
This will be useful for debugging use of sleep-in-hypervisor
primitives.
Signed-off-by: Keir Fraser <keir@xen.org>
Diffstat (limited to 'xen/include/xen/lib.h')
| -rw-r--r-- | xen/include/xen/lib.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/xen/include/xen/lib.h b/xen/include/xen/lib.h index e09929a604..a5a27d58ab 100644 --- a/xen/include/xen/lib.h +++ b/xen/include/xen/lib.h @@ -119,4 +119,6 @@ extern void add_taint(unsigned); struct cpu_user_regs; void dump_execstate(struct cpu_user_regs *); +#define in_atomic() (locking_depth() || in_irq() || !local_irq_is_enabled()) + #endif /* __LIB_H__ */ |