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| author | mjacob <mjacob@FreeBSD.org> | 2002-09-03 02:18:21 +0000 |
|---|---|---|
| committer | mjacob <mjacob@FreeBSD.org> | 2002-09-03 02:18:21 +0000 |
| commit | 5dc5eb83434a29d15458748b690a21a4c2beec80 (patch) | |
| tree | d136ccd80cec436342a04afc4651830e7e13c611 /sys/dev/mpt | |
| parent | 573a3e8e5e20b467f547cc712016b11f63fc126e (diff) | |
| download | FreeBSD-src-5dc5eb83434a29d15458748b690a21a4c2beec80.zip FreeBSD-src-5dc5eb83434a29d15458748b690a21a4c2beec80.tar.gz | |
Don't do transition locking (i.e., CAM->MPT->CAM)- Peter claimed that ia64
chokes the chicken with this.
Submitted by: wemm@freebsd.org
Diffstat (limited to 'sys/dev/mpt')
| -rw-r--r-- | sys/dev/mpt/mpt_freebsd.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/dev/mpt/mpt_freebsd.h b/sys/dev/mpt/mpt_freebsd.h index aa38147..84527bf 100644 --- a/sys/dev/mpt/mpt_freebsd.h +++ b/sys/dev/mpt/mpt_freebsd.h @@ -91,6 +91,7 @@ #define MPT_LOCK_SETUP(mpt) #define MPT_LOCK_DESTROY(mpt) #else +#if LOCKING_WORKED_AS_IT_SHOULD #define MPT_IFLAGS INTR_TYPE_CAM | INTR_ENTROPY | INTR_MPSAFE #define MPT_LOCK_SETUP(mpt) \ mtx_init(&mpt->mpt_lock, "mpt", NULL, MTX_DEF); \ @@ -107,6 +108,15 @@ mtx_unlock(&(mpt)->mpt_lock); mtx_lock(&Giant) #define CAMLOCK_2_MPTLOCK(mpt) \ mtx_unlock(&Giant); mtx_lock(&(mpt)->mpt_lock) +#else +#define MPT_IFLAGS INTR_TYPE_CAM | INTR_ENTROPY +#define MPT_LOCK_SETUP(mpt) do { } while (0) +#define MPT_LOCK_DESTROY(mpt) do { } while (0) +#define MPT_LOCK(mpt) do { } while (0) +#define MPT_UNLOCK(mpt) do { } while (0) +#define MPTLOCK_2_CAMLOCK(mpt) do { } while (0) +#define CAMLOCK_2_MPTLOCK(mpt) do { } while (0) +#endif #endif |
