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authorDavid S. Miller <davem@davemloft.net>2005-07-24 19:36:26 -0700
committerDavid S. Miller <davem@davemloft.net>2005-07-24 19:36:26 -0700
commitdb7d9a4eb700be766cc9f29241483dbb1e748832 (patch)
tree48848384df15d9404ceab05867d7f4ef6b1a4bbe /include/asm-sparc64/ptrace.h
parentcdd5186f753b23ab51f86679bdc4cc698ab0b893 (diff)
[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 'include/asm-sparc64/ptrace.h')
-rw-r--r--include/asm-sparc64/ptrace.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/asm-sparc64/ptrace.h b/include/asm-sparc64/ptrace.h
index 2d2b5a113d24..6194f771e9fc 100644
--- a/include/asm-sparc64/ptrace.h
+++ b/include/asm-sparc64/ptrace.h
@@ -94,8 +94,9 @@ struct sparc_trapf {
#define STACKFRAME32_SZ sizeof(struct sparc_stackf32)
#ifdef __KERNEL__
-#define force_successful_syscall_return() \
- set_thread_flag(TIF_SYSCALL_SUCCESS)
+#define force_successful_syscall_return() \
+do { current_thread_info()->syscall_noerror = 1; \
+} while (0)
#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
#define instruction_pointer(regs) ((regs)->tpc)
#ifdef CONFIG_SMP