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-rw-r--r--arch/ia64/kernel/fsys.S46
-rw-r--r--arch/m68k/include/asm/unistd.h5
-rw-r--r--arch/m68k/kernel/entry.S3
-rw-r--r--arch/m68knommu/kernel/syscalltable.S3
4 files changed, 49 insertions, 8 deletions
diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S
index 3567d54f8cee..471a1e783aca 100644
--- a/arch/ia64/kernel/fsys.S
+++ b/arch/ia64/kernel/fsys.S
@@ -424,14 +424,26 @@ EX(.fail_efault, ld8 r14=[r33]) // r14 <- *set
424 andcm r14=r14,r17 // filter out SIGKILL & SIGSTOP 424 andcm r14=r14,r17 // filter out SIGKILL & SIGSTOP
425 425
426#ifdef CONFIG_SMP 426#ifdef CONFIG_SMP
427 mov r17=1 427 // __ticket_spin_trylock(r31)
428 ;; 428 ld4 r17=[r31]
429 cmpxchg4.acq r18=[r31],r17,ar.ccv // try to acquire the lock
430 mov r8=EINVAL // default to EINVAL 429 mov r8=EINVAL // default to EINVAL
431 ;; 430 ;;
431 extr r9=r17,17,15
432 ;;
433 xor r18=r17,r9
434 adds r19=1,r17
435 ;;
436 extr.u r18=r18,0,15
437 ;;
438 cmp.eq p0,p7=0,r18
439(p7) br.cond.spnt.many .lock_contention
440 mov.m ar.ccv=r17
441 ;;
442 cmpxchg4.acq r9=[r31],r19,ar.ccv
443 ;;
444 cmp4.eq p0,p7=r9,r17
445(p7) br.cond.spnt.many .lock_contention
432 ld8 r3=[r2] // re-read current->blocked now that we hold the lock 446 ld8 r3=[r2] // re-read current->blocked now that we hold the lock
433 cmp4.ne p6,p0=r18,r0
434(p6) br.cond.spnt.many .lock_contention
435 ;; 447 ;;
436#else 448#else
437 ld8 r3=[r2] // re-read current->blocked now that we hold the lock 449 ld8 r3=[r2] // re-read current->blocked now that we hold the lock
@@ -490,7 +502,17 @@ EX(.fail_efault, ld8 r14=[r33]) // r14 <- *set
490(p6) br.cond.spnt.few 1b // yes -> retry 502(p6) br.cond.spnt.few 1b // yes -> retry
491 503
492#ifdef CONFIG_SMP 504#ifdef CONFIG_SMP
493 st4.rel [r31]=r0 // release the lock 505 // __ticket_spin_unlock(r31)
506 adds r31=2,r31
507 ;;
508 ld2.bias r2=[r31]
509 mov r3=65534
510 ;;
511 adds r2=2,r2
512 ;;
513 and r3=r3,r2
514 ;;
515 st2.rel [r31]=r3
494#endif 516#endif
495 SSM_PSR_I(p0, p9, r31) 517 SSM_PSR_I(p0, p9, r31)
496 ;; 518 ;;
@@ -512,7 +534,17 @@ EX(.fail_efault, (p15) st8 [r34]=r3)
512 534
513.sig_pending: 535.sig_pending:
514#ifdef CONFIG_SMP 536#ifdef CONFIG_SMP
515 st4.rel [r31]=r0 // release the lock 537 // __ticket_spin_unlock(r31)
538 adds r31=2,r31
539 ;;
540 ld2.bias r2=[r31]
541 mov r3=65534
542 ;;
543 adds r2=2,r2
544 ;;
545 and r3=r3,r2
546 ;;
547 st2.rel [r31]=r3
516#endif 548#endif
517 SSM_PSR_I(p0, p9, r17) 549 SSM_PSR_I(p0, p9, r17)
518 ;; 550 ;;
diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index 60b15d0aa072..b43b36beafe3 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -340,10 +340,13 @@
340#define __NR_set_thread_area 334 340#define __NR_set_thread_area 334
341#define __NR_atomic_cmpxchg_32 335 341#define __NR_atomic_cmpxchg_32 335
342#define __NR_atomic_barrier 336 342#define __NR_atomic_barrier 336
343#define __NR_fanotify_init 337
344#define __NR_fanotify_mark 338
345#define __NR_prlimit64 339
343 346
344#ifdef __KERNEL__ 347#ifdef __KERNEL__
345 348
346#define NR_syscalls 337 349#define NR_syscalls 340
347 350
348#define __ARCH_WANT_IPC_PARSE_VERSION 351#define __ARCH_WANT_IPC_PARSE_VERSION
349#define __ARCH_WANT_OLD_READDIR 352#define __ARCH_WANT_OLD_READDIR
diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S
index 2391bdff0996..6360c437dcf5 100644
--- a/arch/m68k/kernel/entry.S
+++ b/arch/m68k/kernel/entry.S
@@ -765,4 +765,7 @@ sys_call_table:
765 .long sys_set_thread_area 765 .long sys_set_thread_area
766 .long sys_atomic_cmpxchg_32 /* 335 */ 766 .long sys_atomic_cmpxchg_32 /* 335 */
767 .long sys_atomic_barrier 767 .long sys_atomic_barrier
768 .long sys_fanotify_init
769 .long sys_fanotify_mark
770 .long sys_prlimit64
768 771
diff --git a/arch/m68knommu/kernel/syscalltable.S b/arch/m68knommu/kernel/syscalltable.S
index b30b3eb197a5..79b1ed198c07 100644
--- a/arch/m68knommu/kernel/syscalltable.S
+++ b/arch/m68knommu/kernel/syscalltable.S
@@ -355,6 +355,9 @@ ENTRY(sys_call_table)
355 .long sys_set_thread_area 355 .long sys_set_thread_area
356 .long sys_atomic_cmpxchg_32 /* 335 */ 356 .long sys_atomic_cmpxchg_32 /* 335 */
357 .long sys_atomic_barrier 357 .long sys_atomic_barrier
358 .long sys_fanotify_init
359 .long sys_fanotify_mark
360 .long sys_prlimit64
358 361
359 .rept NR_syscalls-(.-sys_call_table)/4 362 .rept NR_syscalls-(.-sys_call_table)/4
360 .long sys_ni_syscall 363 .long sys_ni_syscall