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author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-05-19 03:00:06 -0400 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-05-19 03:00:06 -0400 |
commit | 4c8440666b995f20604852b35dcfdbcc1d5931f1 (patch) | |
tree | b3b6cd65ee275ba1adf9d2c050063f30ebbadb91 /arch/powerpc/kernel | |
parent | 751e1f5099f1568444fe2485f2485ca541d4952e (diff) | |
parent | c560bbceaf6b06e52f1ef20131b76a3fdc0a2c19 (diff) |
Merge branch 'merge' into next
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r-- | arch/powerpc/kernel/head_32.S | 9 | ||||
-rw-r--r-- | arch/powerpc/kernel/misc_32.S | 11 | ||||
-rw-r--r-- | arch/powerpc/kernel/ptrace.c | 12 | ||||
-rw-r--r-- | arch/powerpc/kernel/smp.c | 4 |
4 files changed, 24 insertions, 12 deletions
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index c5c24beb8387..98c4b29a56f4 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S | |||
@@ -890,15 +890,6 @@ __secondary_start: | |||
890 | mtspr SPRN_SRR1,r4 | 890 | mtspr SPRN_SRR1,r4 |
891 | SYNC | 891 | SYNC |
892 | RFI | 892 | RFI |
893 | |||
894 | _GLOBAL(start_secondary_resume) | ||
895 | /* Reset stack */ | ||
896 | rlwinm r1,r1,0,0,(31-THREAD_SHIFT) /* current_thread_info() */ | ||
897 | addi r1,r1,THREAD_SIZE-STACK_FRAME_OVERHEAD | ||
898 | li r3,0 | ||
899 | std r3,0(r1) /* Zero the stack frame pointer */ | ||
900 | bl start_secondary | ||
901 | b . | ||
902 | #endif /* CONFIG_SMP */ | 893 | #endif /* CONFIG_SMP */ |
903 | 894 | ||
904 | #ifdef CONFIG_KVM_BOOK3S_HANDLER | 895 | #ifdef CONFIG_KVM_BOOK3S_HANDLER |
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S index 094bd9821ad4..402560e957bd 100644 --- a/arch/powerpc/kernel/misc_32.S +++ b/arch/powerpc/kernel/misc_32.S | |||
@@ -694,6 +694,17 @@ _GLOBAL(kernel_thread) | |||
694 | addi r1,r1,16 | 694 | addi r1,r1,16 |
695 | blr | 695 | blr |
696 | 696 | ||
697 | #ifdef CONFIG_SMP | ||
698 | _GLOBAL(start_secondary_resume) | ||
699 | /* Reset stack */ | ||
700 | rlwinm r1,r1,0,0,(31-THREAD_SHIFT) /* current_thread_info() */ | ||
701 | addi r1,r1,THREAD_SIZE-STACK_FRAME_OVERHEAD | ||
702 | li r3,0 | ||
703 | std r3,0(r1) /* Zero the stack frame pointer */ | ||
704 | bl start_secondary | ||
705 | b . | ||
706 | #endif /* CONFIG_SMP */ | ||
707 | |||
697 | /* | 708 | /* |
698 | * This routine is just here to keep GCC happy - sigh... | 709 | * This routine is just here to keep GCC happy - sigh... |
699 | */ | 710 | */ |
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 55613e33e263..a6ae1cfad86c 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c | |||
@@ -933,12 +933,16 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, | |||
933 | if (data && !(data & DABR_TRANSLATION)) | 933 | if (data && !(data & DABR_TRANSLATION)) |
934 | return -EIO; | 934 | return -EIO; |
935 | #ifdef CONFIG_HAVE_HW_BREAKPOINT | 935 | #ifdef CONFIG_HAVE_HW_BREAKPOINT |
936 | if (ptrace_get_breakpoints(task) < 0) | ||
937 | return -ESRCH; | ||
938 | |||
936 | bp = thread->ptrace_bps[0]; | 939 | bp = thread->ptrace_bps[0]; |
937 | if ((!data) || !(data & (DABR_DATA_WRITE | DABR_DATA_READ))) { | 940 | if ((!data) || !(data & (DABR_DATA_WRITE | DABR_DATA_READ))) { |
938 | if (bp) { | 941 | if (bp) { |
939 | unregister_hw_breakpoint(bp); | 942 | unregister_hw_breakpoint(bp); |
940 | thread->ptrace_bps[0] = NULL; | 943 | thread->ptrace_bps[0] = NULL; |
941 | } | 944 | } |
945 | ptrace_put_breakpoints(task); | ||
942 | return 0; | 946 | return 0; |
943 | } | 947 | } |
944 | if (bp) { | 948 | if (bp) { |
@@ -948,9 +952,12 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, | |||
948 | (DABR_DATA_WRITE | DABR_DATA_READ), | 952 | (DABR_DATA_WRITE | DABR_DATA_READ), |
949 | &attr.bp_type); | 953 | &attr.bp_type); |
950 | ret = modify_user_hw_breakpoint(bp, &attr); | 954 | ret = modify_user_hw_breakpoint(bp, &attr); |
951 | if (ret) | 955 | if (ret) { |
956 | ptrace_put_breakpoints(task); | ||
952 | return ret; | 957 | return ret; |
958 | } | ||
953 | thread->ptrace_bps[0] = bp; | 959 | thread->ptrace_bps[0] = bp; |
960 | ptrace_put_breakpoints(task); | ||
954 | thread->dabr = data; | 961 | thread->dabr = data; |
955 | return 0; | 962 | return 0; |
956 | } | 963 | } |
@@ -965,9 +972,12 @@ int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, | |||
965 | ptrace_triggered, task); | 972 | ptrace_triggered, task); |
966 | if (IS_ERR(bp)) { | 973 | if (IS_ERR(bp)) { |
967 | thread->ptrace_bps[0] = NULL; | 974 | thread->ptrace_bps[0] = NULL; |
975 | ptrace_put_breakpoints(task); | ||
968 | return PTR_ERR(bp); | 976 | return PTR_ERR(bp); |
969 | } | 977 | } |
970 | 978 | ||
979 | ptrace_put_breakpoints(task); | ||
980 | |||
971 | #endif /* CONFIG_HAVE_HW_BREAKPOINT */ | 981 | #endif /* CONFIG_HAVE_HW_BREAKPOINT */ |
972 | 982 | ||
973 | /* Move contents to the DABR register */ | 983 | /* Move contents to the DABR register */ |
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index a8909aa50642..dd1973fed304 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c | |||
@@ -458,8 +458,6 @@ int __cpuinit __cpu_up(unsigned int cpu) | |||
458 | { | 458 | { |
459 | int rc, c; | 459 | int rc, c; |
460 | 460 | ||
461 | secondary_ti = current_set[cpu]; | ||
462 | |||
463 | if (smp_ops == NULL || | 461 | if (smp_ops == NULL || |
464 | (smp_ops->cpu_bootable && !smp_ops->cpu_bootable(cpu))) | 462 | (smp_ops->cpu_bootable && !smp_ops->cpu_bootable(cpu))) |
465 | return -EINVAL; | 463 | return -EINVAL; |
@@ -469,6 +467,8 @@ int __cpuinit __cpu_up(unsigned int cpu) | |||
469 | if (rc) | 467 | if (rc) |
470 | return rc; | 468 | return rc; |
471 | 469 | ||
470 | secondary_ti = current_set[cpu]; | ||
471 | |||
472 | /* Make sure callin-map entry is 0 (can be leftover a CPU | 472 | /* Make sure callin-map entry is 0 (can be leftover a CPU |
473 | * hotplug | 473 | * hotplug |
474 | */ | 474 | */ |