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| author | David S. Miller <davem@davemloft.net> | 2005-07-24 19:36:26 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2005-07-24 19:36:26 -0700 |
| commit | db7d9a4eb700be766cc9f29241483dbb1e748832 (patch) | |
| tree | 48848384df15d9404ceab05867d7f4ef6b1a4bbe /arch/sparc64/kernel/traps.c | |
| parent | cdd5186f753b23ab51f86679bdc4cc698ab0b893 (diff) | |
| download | lwn-db7d9a4eb700be766cc9f29241483dbb1e748832.tar.gz lwn-db7d9a4eb700be766cc9f29241483dbb1e748832.zip | |
[SPARC64]: Move syscall success and newchild state out of thread flags.
These two bits were accesses non-atomically from assembler
code. So, in order to eliminate any potential races resulting
from that, move these pieces of state into two bytes elsewhere
in struct thread_info.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/traps.c')
| -rw-r--r-- | arch/sparc64/kernel/traps.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c index a9f4596d7c2b..100b0107c4be 100644 --- a/arch/sparc64/kernel/traps.c +++ b/arch/sparc64/kernel/traps.c @@ -2125,6 +2125,8 @@ void __init trap_init(void) TI_PCR != offsetof(struct thread_info, pcr_reg) || TI_CEE_STUFF != offsetof(struct thread_info, cee_stuff) || TI_PRE_COUNT != offsetof(struct thread_info, preempt_count) || + TI_NEW_CHILD != offsetof(struct thread_info, new_child) || + TI_SYS_NOERROR != offsetof(struct thread_info, syscall_noerror) || TI_FPREGS != offsetof(struct thread_info, fpregs) || (TI_FPREGS & (64 - 1))) thread_info_offsets_are_bolixed_dave(); |