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authorAnton Blanchard <anton@samba.org>2009-10-26 18:51:09 +0000
committerPaul Mackerras <paulus@samba.org>2009-10-28 16:13:04 +1100
commit6f26353ca29e96475208bce673efb6a2c58b73f2 (patch)
treea564c9c71407a83f81d42e15bbe48f647ec72285 /arch/powerpc/platforms/pseries/lpar.c
parentc8cd093a6e9f96ea6b871576fd4e46d7c818bb89 (diff)
powerpc: tracing: Give hypervisor call tracepoints access to arguments
While most users of the hcall tracepoints will only want the opcode and return code, some will want all the arguments. To avoid the complexity of using varargs we pass a pointer to the register save area, which contains all the arguments. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms/pseries/lpar.c')
-rw-r--r--arch/powerpc/platforms/pseries/lpar.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 4b7b6e8e32d..0707653612b 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -683,13 +683,14 @@ void hcall_tracepoint_unregfunc(void)
hcall_tracepoint_refcount--;
}
-void __trace_hcall_entry(unsigned long opcode)
+void __trace_hcall_entry(unsigned long opcode, unsigned long *args)
{
- trace_hcall_entry(opcode);
+ trace_hcall_entry(opcode, args);
}
-void __trace_hcall_exit(long opcode, unsigned long retval)
+void __trace_hcall_exit(long opcode, unsigned long retval,
+ unsigned long *retbuf)
{
- trace_hcall_exit(opcode, retval);
+ trace_hcall_exit(opcode, retval, retbuf);
}
#endif