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authorSteve French <sfrench@us.ibm.com>2006-03-31 03:35:56 +0000
committerSteve French <sfrench@us.ibm.com>2006-03-31 03:35:56 +0000
commitd62e54abca1146981fc9f98f85ff398a113a22c2 (patch)
tree870420dbc4c65e716dcef8a802aafdc0ef97a8b4 /arch/i386/kernel/entry.S
parentfd4a0b92db6a57cba8d03efbe1cebf91f9124ce0 (diff)
parentce362c009250340358a7221f3cdb7954cbf19c01 (diff)
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'arch/i386/kernel/entry.S')
-rw-r--r--arch/i386/kernel/entry.S4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/i386/kernel/entry.S b/arch/i386/kernel/entry.S
index 4d704724b2f5..cfc683f153b9 100644
--- a/arch/i386/kernel/entry.S
+++ b/arch/i386/kernel/entry.S
@@ -226,6 +226,10 @@ ENTRY(system_call)
pushl %eax # save orig_eax
SAVE_ALL
GET_THREAD_INFO(%ebp)
+ testl $TF_MASK,EFLAGS(%esp)
+ jz no_singlestep
+ orl $_TIF_SINGLESTEP,TI_flags(%ebp)
+no_singlestep:
# system call tracing in operation / emulation
/* Note, _TIF_SECCOMP is bit number 8, and so it needs testw and not testb */
testw $(_TIF_SYSCALL_EMU|_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT),TI_flags(%ebp)