diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-12 21:13:02 -0400 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-12 21:13:02 -0400 |
commit | 44a5085162f3d3231b359784319a207032e09523 (patch) | |
tree | 8edc17bb33586f4e05b06af8155ea8896bed6346 /arch | |
parent | 27d30b0f4e0c8e63f48ef400a64fc073b71bfe59 (diff) | |
parent | 54f565ea895b383b67a2d6e31d2e2fcac5e6c345 (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC]: Fix TIF_USEDFPU flag atomicity
[SPARC64]: Fix atomicity of TIF update in flush_thread()
[BW2]: Fix section mismatch warnings.
[CG14]: Fix section mismatch warnings.
[SPARC]: We do not need OLD_GETRLIMIT.
Diffstat (limited to 'arch')
-rw-r--r-- | arch/sparc/kernel/process.c | 16 | ||||
-rw-r--r-- | arch/sparc/kernel/traps.c | 6 | ||||
-rw-r--r-- | arch/sparc64/kernel/process.c | 9 |
3 files changed, 18 insertions, 13 deletions
diff --git a/arch/sparc/kernel/process.c b/arch/sparc/kernel/process.c index 113bd48a89bd..fc874e63a499 100644 --- a/arch/sparc/kernel/process.c +++ b/arch/sparc/kernel/process.c | |||
@@ -348,7 +348,7 @@ void exit_thread(void) | |||
348 | #ifndef CONFIG_SMP | 348 | #ifndef CONFIG_SMP |
349 | if(last_task_used_math == current) { | 349 | if(last_task_used_math == current) { |
350 | #else | 350 | #else |
351 | if(current_thread_info()->flags & _TIF_USEDFPU) { | 351 | if (test_thread_flag(TIF_USEDFPU)) { |
352 | #endif | 352 | #endif |
353 | /* Keep process from leaving FPU in a bogon state. */ | 353 | /* Keep process from leaving FPU in a bogon state. */ |
354 | put_psr(get_psr() | PSR_EF); | 354 | put_psr(get_psr() | PSR_EF); |
@@ -357,7 +357,7 @@ void exit_thread(void) | |||
357 | #ifndef CONFIG_SMP | 357 | #ifndef CONFIG_SMP |
358 | last_task_used_math = NULL; | 358 | last_task_used_math = NULL; |
359 | #else | 359 | #else |
360 | current_thread_info()->flags &= ~_TIF_USEDFPU; | 360 | clear_thread_flag(TIF_USEDFPU); |
361 | #endif | 361 | #endif |
362 | } | 362 | } |
363 | } | 363 | } |
@@ -371,7 +371,7 @@ void flush_thread(void) | |||
371 | #ifndef CONFIG_SMP | 371 | #ifndef CONFIG_SMP |
372 | if(last_task_used_math == current) { | 372 | if(last_task_used_math == current) { |
373 | #else | 373 | #else |
374 | if(current_thread_info()->flags & _TIF_USEDFPU) { | 374 | if (test_thread_flag(TIF_USEDFPU)) { |
375 | #endif | 375 | #endif |
376 | /* Clean the fpu. */ | 376 | /* Clean the fpu. */ |
377 | put_psr(get_psr() | PSR_EF); | 377 | put_psr(get_psr() | PSR_EF); |
@@ -380,7 +380,7 @@ void flush_thread(void) | |||
380 | #ifndef CONFIG_SMP | 380 | #ifndef CONFIG_SMP |
381 | last_task_used_math = NULL; | 381 | last_task_used_math = NULL; |
382 | #else | 382 | #else |
383 | current_thread_info()->flags &= ~_TIF_USEDFPU; | 383 | clear_thread_flag(TIF_USEDFPU); |
384 | #endif | 384 | #endif |
385 | } | 385 | } |
386 | 386 | ||
@@ -466,13 +466,13 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp, | |||
466 | #ifndef CONFIG_SMP | 466 | #ifndef CONFIG_SMP |
467 | if(last_task_used_math == current) { | 467 | if(last_task_used_math == current) { |
468 | #else | 468 | #else |
469 | if(current_thread_info()->flags & _TIF_USEDFPU) { | 469 | if (test_thread_flag(TIF_USEDFPU)) { |
470 | #endif | 470 | #endif |
471 | put_psr(get_psr() | PSR_EF); | 471 | put_psr(get_psr() | PSR_EF); |
472 | fpsave(&p->thread.float_regs[0], &p->thread.fsr, | 472 | fpsave(&p->thread.float_regs[0], &p->thread.fsr, |
473 | &p->thread.fpqueue[0], &p->thread.fpqdepth); | 473 | &p->thread.fpqueue[0], &p->thread.fpqdepth); |
474 | #ifdef CONFIG_SMP | 474 | #ifdef CONFIG_SMP |
475 | current_thread_info()->flags &= ~_TIF_USEDFPU; | 475 | clear_thread_flag(TIF_USEDFPU); |
476 | #endif | 476 | #endif |
477 | } | 477 | } |
478 | 478 | ||
@@ -609,13 +609,13 @@ int dump_fpu (struct pt_regs * regs, elf_fpregset_t * fpregs) | |||
609 | return 1; | 609 | return 1; |
610 | } | 610 | } |
611 | #ifdef CONFIG_SMP | 611 | #ifdef CONFIG_SMP |
612 | if (current_thread_info()->flags & _TIF_USEDFPU) { | 612 | if (test_thread_flag(TIF_USEDFPU)) { |
613 | put_psr(get_psr() | PSR_EF); | 613 | put_psr(get_psr() | PSR_EF); |
614 | fpsave(¤t->thread.float_regs[0], ¤t->thread.fsr, | 614 | fpsave(¤t->thread.float_regs[0], ¤t->thread.fsr, |
615 | ¤t->thread.fpqueue[0], ¤t->thread.fpqdepth); | 615 | ¤t->thread.fpqueue[0], ¤t->thread.fpqdepth); |
616 | if (regs != NULL) { | 616 | if (regs != NULL) { |
617 | regs->psr &= ~(PSR_EF); | 617 | regs->psr &= ~(PSR_EF); |
618 | current_thread_info()->flags &= ~(_TIF_USEDFPU); | 618 | clear_thread_flag(TIF_USEDFPU); |
619 | } | 619 | } |
620 | } | 620 | } |
621 | #else | 621 | #else |
diff --git a/arch/sparc/kernel/traps.c b/arch/sparc/kernel/traps.c index 6a70d215fd04..527687afc1c4 100644 --- a/arch/sparc/kernel/traps.c +++ b/arch/sparc/kernel/traps.c | |||
@@ -259,7 +259,7 @@ void do_fpd_trap(struct pt_regs *regs, unsigned long pc, unsigned long npc, | |||
259 | } else { | 259 | } else { |
260 | fpload(¤t->thread.float_regs[0], ¤t->thread.fsr); | 260 | fpload(¤t->thread.float_regs[0], ¤t->thread.fsr); |
261 | } | 261 | } |
262 | current_thread_info()->flags |= _TIF_USEDFPU; | 262 | set_thread_flag(TIF_USEDFPU); |
263 | #endif | 263 | #endif |
264 | } | 264 | } |
265 | 265 | ||
@@ -290,7 +290,7 @@ void do_fpe_trap(struct pt_regs *regs, unsigned long pc, unsigned long npc, | |||
290 | #ifndef CONFIG_SMP | 290 | #ifndef CONFIG_SMP |
291 | if(!fpt) { | 291 | if(!fpt) { |
292 | #else | 292 | #else |
293 | if(!(task_thread_info(fpt)->flags & _TIF_USEDFPU)) { | 293 | if (!test_tsk_thread_flag(fpt, TIF_USEDFPU)) { |
294 | #endif | 294 | #endif |
295 | fpsave(&fake_regs[0], &fake_fsr, &fake_queue[0], &fake_depth); | 295 | fpsave(&fake_regs[0], &fake_fsr, &fake_queue[0], &fake_depth); |
296 | regs->psr &= ~PSR_EF; | 296 | regs->psr &= ~PSR_EF; |
@@ -333,7 +333,7 @@ void do_fpe_trap(struct pt_regs *regs, unsigned long pc, unsigned long npc, | |||
333 | /* nope, better SIGFPE the offending process... */ | 333 | /* nope, better SIGFPE the offending process... */ |
334 | 334 | ||
335 | #ifdef CONFIG_SMP | 335 | #ifdef CONFIG_SMP |
336 | task_thread_info(fpt)->flags &= ~_TIF_USEDFPU; | 336 | clear_tsk_thread_flag(fpt, TIF_USEDFPU); |
337 | #endif | 337 | #endif |
338 | if(psr & PSR_PS) { | 338 | if(psr & PSR_PS) { |
339 | /* The first fsr store/load we tried trapped, | 339 | /* The first fsr store/load we tried trapped, |
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c index 7d75cd4eb297..b291060c25a6 100644 --- a/arch/sparc64/kernel/process.c +++ b/arch/sparc64/kernel/process.c | |||
@@ -413,8 +413,13 @@ void flush_thread(void) | |||
413 | struct thread_info *t = current_thread_info(); | 413 | struct thread_info *t = current_thread_info(); |
414 | struct mm_struct *mm; | 414 | struct mm_struct *mm; |
415 | 415 | ||
416 | if (t->flags & _TIF_ABI_PENDING) | 416 | if (test_ti_thread_flag(t, TIF_ABI_PENDING)) { |
417 | t->flags ^= (_TIF_ABI_PENDING | _TIF_32BIT); | 417 | clear_ti_thread_flag(t, TIF_ABI_PENDING); |
418 | if (test_ti_thread_flag(t, TIF_32BIT)) | ||
419 | clear_ti_thread_flag(t, TIF_32BIT); | ||
420 | else | ||
421 | set_ti_thread_flag(t, TIF_32BIT); | ||
422 | } | ||
418 | 423 | ||
419 | mm = t->task->mm; | 424 | mm = t->task->mm; |
420 | if (mm) | 425 | if (mm) |