diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-16 22:45:15 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-16 22:45:15 -0400 |
commit | de0024b60c26a899192fcb56307df7f9490fca4f (patch) | |
tree | 1440b5ddf3259f72c21cfbf9f19d7b7606068744 /arch | |
parent | c208278c5c6ec815acfe4ea4701302edf8fe8a21 (diff) | |
parent | d8b92292408831d86ff7b781e66bf79301934b99 (diff) |
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sfr/next-fixes
Pull powerpc fixes from Stephen Rothwell:
"Three regresions in the PowerPC code. One from v3.7 the others from
this merge window."
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sfr/next-fixes:
powerpc: add a missing label in resume_kernel
powerpc: Fix audit crash due to save/restore PPR changes
powerpc: fix compiling CONFIG_PPC_TRANSACTIONAL_MEM when CONFIG_ALTIVEC=n
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/kernel/entry_64.S | 4 | ||||
-rw-r--r-- | arch/powerpc/kernel/process.c | 2 | ||||
-rw-r--r-- | arch/powerpc/kernel/signal_32.c | 2 | ||||
-rw-r--r-- | arch/powerpc/kernel/signal_64.c | 2 | ||||
-rw-r--r-- | arch/powerpc/kernel/tm.S | 2 |
5 files changed, 10 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 256c5bf0adb7..04d69c4a5ac2 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S | |||
@@ -304,7 +304,7 @@ syscall_exit_work: | |||
304 | subi r12,r12,TI_FLAGS | 304 | subi r12,r12,TI_FLAGS |
305 | 305 | ||
306 | 4: /* Anything else left to do? */ | 306 | 4: /* Anything else left to do? */ |
307 | SET_DEFAULT_THREAD_PPR(r3, r9) /* Set thread.ppr = 3 */ | 307 | SET_DEFAULT_THREAD_PPR(r3, r10) /* Set thread.ppr = 3 */ |
308 | andi. r0,r9,(_TIF_SYSCALL_T_OR_A|_TIF_SINGLESTEP) | 308 | andi. r0,r9,(_TIF_SYSCALL_T_OR_A|_TIF_SINGLESTEP) |
309 | beq .ret_from_except_lite | 309 | beq .ret_from_except_lite |
310 | 310 | ||
@@ -657,7 +657,7 @@ resume_kernel: | |||
657 | /* Clear _TIF_EMULATE_STACK_STORE flag */ | 657 | /* Clear _TIF_EMULATE_STACK_STORE flag */ |
658 | lis r11,_TIF_EMULATE_STACK_STORE@h | 658 | lis r11,_TIF_EMULATE_STACK_STORE@h |
659 | addi r5,r9,TI_FLAGS | 659 | addi r5,r9,TI_FLAGS |
660 | ldarx r4,0,r5 | 660 | 0: ldarx r4,0,r5 |
661 | andc r4,r4,r11 | 661 | andc r4,r4,r11 |
662 | stdcx. r4,0,r5 | 662 | stdcx. r4,0,r5 |
663 | bne- 0b | 663 | bne- 0b |
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 59dd545fdde1..16e77a81ab4f 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c | |||
@@ -555,10 +555,12 @@ static inline void tm_recheckpoint_new_task(struct task_struct *new) | |||
555 | new->thread.regs->msr |= | 555 | new->thread.regs->msr |= |
556 | (MSR_FP | new->thread.fpexc_mode); | 556 | (MSR_FP | new->thread.fpexc_mode); |
557 | } | 557 | } |
558 | #ifdef CONFIG_ALTIVEC | ||
558 | if (msr & MSR_VEC) { | 559 | if (msr & MSR_VEC) { |
559 | do_load_up_transact_altivec(&new->thread); | 560 | do_load_up_transact_altivec(&new->thread); |
560 | new->thread.regs->msr |= MSR_VEC; | 561 | new->thread.regs->msr |= MSR_VEC; |
561 | } | 562 | } |
563 | #endif | ||
562 | /* We may as well turn on VSX too since all the state is restored now */ | 564 | /* We may as well turn on VSX too since all the state is restored now */ |
563 | if (msr & MSR_VSX) | 565 | if (msr & MSR_VSX) |
564 | new->thread.regs->msr |= MSR_VSX; | 566 | new->thread.regs->msr |= MSR_VSX; |
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 3acb28e245b4..95068bf569ad 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c | |||
@@ -866,10 +866,12 @@ static long restore_tm_user_regs(struct pt_regs *regs, | |||
866 | do_load_up_transact_fpu(¤t->thread); | 866 | do_load_up_transact_fpu(¤t->thread); |
867 | regs->msr |= (MSR_FP | current->thread.fpexc_mode); | 867 | regs->msr |= (MSR_FP | current->thread.fpexc_mode); |
868 | } | 868 | } |
869 | #ifdef CONFIG_ALTIVEC | ||
869 | if (msr & MSR_VEC) { | 870 | if (msr & MSR_VEC) { |
870 | do_load_up_transact_altivec(¤t->thread); | 871 | do_load_up_transact_altivec(¤t->thread); |
871 | regs->msr |= MSR_VEC; | 872 | regs->msr |= MSR_VEC; |
872 | } | 873 | } |
874 | #endif | ||
873 | 875 | ||
874 | return 0; | 876 | return 0; |
875 | } | 877 | } |
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index 995f8543cb57..c1794286098c 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c | |||
@@ -522,10 +522,12 @@ static long restore_tm_sigcontexts(struct pt_regs *regs, | |||
522 | do_load_up_transact_fpu(¤t->thread); | 522 | do_load_up_transact_fpu(¤t->thread); |
523 | regs->msr |= (MSR_FP | current->thread.fpexc_mode); | 523 | regs->msr |= (MSR_FP | current->thread.fpexc_mode); |
524 | } | 524 | } |
525 | #ifdef CONFIG_ALTIVEC | ||
525 | if (msr & MSR_VEC) { | 526 | if (msr & MSR_VEC) { |
526 | do_load_up_transact_altivec(¤t->thread); | 527 | do_load_up_transact_altivec(¤t->thread); |
527 | regs->msr |= MSR_VEC; | 528 | regs->msr |= MSR_VEC; |
528 | } | 529 | } |
530 | #endif | ||
529 | 531 | ||
530 | return err; | 532 | return err; |
531 | } | 533 | } |
diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S index 84dbace657ce..2da67e7a16d5 100644 --- a/arch/powerpc/kernel/tm.S +++ b/arch/powerpc/kernel/tm.S | |||
@@ -309,6 +309,7 @@ _GLOBAL(tm_recheckpoint) | |||
309 | or r5, r6, r5 /* Set MSR.FP+.VSX/.VEC */ | 309 | or r5, r6, r5 /* Set MSR.FP+.VSX/.VEC */ |
310 | mtmsr r5 | 310 | mtmsr r5 |
311 | 311 | ||
312 | #ifdef CONFIG_ALTIVEC | ||
312 | /* FP and VEC registers: These are recheckpointed from thread.fpr[] | 313 | /* FP and VEC registers: These are recheckpointed from thread.fpr[] |
313 | * and thread.vr[] respectively. The thread.transact_fpr[] version | 314 | * and thread.vr[] respectively. The thread.transact_fpr[] version |
314 | * is more modern, and will be loaded subsequently by any FPUnavailable | 315 | * is more modern, and will be loaded subsequently by any FPUnavailable |
@@ -323,6 +324,7 @@ _GLOBAL(tm_recheckpoint) | |||
323 | REST_32VRS(0, r5, r3) /* r5 scratch, r3 THREAD ptr */ | 324 | REST_32VRS(0, r5, r3) /* r5 scratch, r3 THREAD ptr */ |
324 | ld r5, THREAD_VRSAVE(r3) | 325 | ld r5, THREAD_VRSAVE(r3) |
325 | mtspr SPRN_VRSAVE, r5 | 326 | mtspr SPRN_VRSAVE, r5 |
327 | #endif | ||
326 | 328 | ||
327 | dont_restore_vec: | 329 | dont_restore_vec: |
328 | andi. r0, r4, MSR_FP | 330 | andi. r0, r4, MSR_FP |