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Really disable interrupts for spin mutexes instead of just pretending.

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This commit is contained in:
dfr 2000-09-12 22:40:29 +00:00
parent f94cd225a3
commit 7aec72700e
2 changed files with 12 additions and 16 deletions
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14
sys/alpha/include/mutex.h
View File

@ -223,9 +223,9 @@ char STR_IDIS[] = "!(fl & 0x200)";
extern char STR_IEN[];
extern char STR_IDIS[];
#endif /* MTX_STRS */
#define ASS_IEN MPASS2((alpha_pal_rdps & ALPHA_PSL_IPL_MASK) \
#define ASS_IEN MPASS2((alpha_pal_rdps() & ALPHA_PSL_IPL_MASK) \
== ALPHA_PSL_IPL_HIGH, STR_IEN)
#define ASS_IDIS MPASS2((alpha_pal_rdps & ALPHA_PSL_IPL_MASK) \
#define ASS_IDIS MPASS2((alpha_pal_rdps() & ALPHA_PSL_IPL_MASK) \
!= ALPHA_PSL_IPL_HIGH, STR_IDIS)
#endif /* INVARIANTS */
@ -326,7 +326,7 @@ void witness_restore(mtx_t *, const char *, int);
*/
#define _getlock_spin_block(mp, tid, type) do { \
u_int _ipl = alpha_pal_rdps() & ALPHA_PSL_IPL_MASK; \
u_int _ipl = alpha_pal_swpipl(ALPHA_PSL_IPL_HIGH); \
if (atomic_cmpset_64(&(mp)->mtx_lock, MTX_UNOWNED, (tid)) == 0) \
mtx_enter_hard(mp, (type) & MTX_HARDOPTS, _ipl); \
else { \
@ -542,8 +542,8 @@ _mtx_exit(mtx_t *mtxp, int type, const char *file, int line)
* Simple assembly macros to get and release non-recursive spin locks
*/
#define MTX_ENTER(lck) \
call_pal PAL_OSF1_rdps; \
and v0, ALPHA_PSL_IPL_MASK, v0; \
ldiq a0, ALPHA_PSL_IPL_HIGH; \
call_pal PAL_OSF1_swpipl; \
1: ldq_l a0, lck+MTX_LOCK; \
cmpeq a0, MTX_UNOWNED, a1; \
beq a1, 1b; \
@ -551,9 +551,7 @@ _mtx_exit(mtx_t *mtxp, int type, const char *file, int line)
stq_c a0, lck+MTX_LOCK; \
beq a0, 1b; \
mb; \
stl v0, lck+MTX_SAVEIPL; \
ldq a0, ALPHA_PSL_IPL_HIGH; \
call_pal PSL_OSF1_swpipl
stl v0, lck+MTX_SAVEIPL
#define MTX_EXIT(lck) \
mb; \

14
sys/powerpc/include/mutex.h
View File

@ -223,9 +223,9 @@ char STR_IDIS[] = "!(fl & 0x200)";
extern char STR_IEN[];
extern char STR_IDIS[];
#endif /* MTX_STRS */
#define ASS_IEN MPASS2((alpha_pal_rdps & ALPHA_PSL_IPL_MASK) \
#define ASS_IEN MPASS2((alpha_pal_rdps() & ALPHA_PSL_IPL_MASK) \
== ALPHA_PSL_IPL_HIGH, STR_IEN)
#define ASS_IDIS MPASS2((alpha_pal_rdps & ALPHA_PSL_IPL_MASK) \
#define ASS_IDIS MPASS2((alpha_pal_rdps() & ALPHA_PSL_IPL_MASK) \
!= ALPHA_PSL_IPL_HIGH, STR_IDIS)
#endif /* INVARIANTS */
@ -326,7 +326,7 @@ void witness_restore(mtx_t *, const char *, int);
*/
#define _getlock_spin_block(mp, tid, type) do { \
u_int _ipl = alpha_pal_rdps() & ALPHA_PSL_IPL_MASK; \
u_int _ipl = alpha_pal_swpipl(ALPHA_PSL_IPL_HIGH); \
if (atomic_cmpset_64(&(mp)->mtx_lock, MTX_UNOWNED, (tid)) == 0) \
mtx_enter_hard(mp, (type) & MTX_HARDOPTS, _ipl); \
else { \
@ -542,8 +542,8 @@ _mtx_exit(mtx_t *mtxp, int type, const char *file, int line)
* Simple assembly macros to get and release non-recursive spin locks
*/
#define MTX_ENTER(lck) \
call_pal PAL_OSF1_rdps; \
and v0, ALPHA_PSL_IPL_MASK, v0; \
ldiq a0, ALPHA_PSL_IPL_HIGH; \
call_pal PAL_OSF1_swpipl; \
1: ldq_l a0, lck+MTX_LOCK; \
cmpeq a0, MTX_UNOWNED, a1; \
beq a1, 1b; \
@ -551,9 +551,7 @@ _mtx_exit(mtx_t *mtxp, int type, const char *file, int line)
stq_c a0, lck+MTX_LOCK; \
beq a0, 1b; \
mb; \
stl v0, lck+MTX_SAVEIPL; \
ldq a0, ALPHA_PSL_IPL_HIGH; \
call_pal PSL_OSF1_swpipl
stl v0, lck+MTX_SAVEIPL
#define MTX_EXIT(lck) \
mb; \