Commit 17be5b3d authored by Steven Rostedt's avatar Steven Rostedt Committed by Benjamin Herrenschmidt

powerpc, ftrace: fix compile error when modules not configured

Michael Neuling reported a compile bug when dynamic ftrace was
configured in and modules were not. This was due to the ftrace
code referencing module specific structures.
Reported-by: default avatarMichael Neuling <mikey@neuling.org>
Signed-off-by: default avatarSteven Rostedt <srostedt@redhat.com>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 44e1d064
......@@ -113,6 +113,8 @@ static int test_24bit_addr(unsigned long ip, unsigned long addr)
return create_branch((unsigned int *)ip, addr, 0);
}
#ifdef CONFIG_MODULES
static int is_bl_op(unsigned int op)
{
return (op & 0xfc000003) == 0x48000001;
......@@ -324,6 +326,7 @@ __ftrace_make_nop(struct module *mod,
return 0;
}
#endif /* PPC64 */
#endif /* CONFIG_MODULES */
int ftrace_make_nop(struct module *mod,
struct dyn_ftrace *rec, unsigned long addr)
......@@ -343,6 +346,7 @@ int ftrace_make_nop(struct module *mod,
return ftrace_modify_code(ip, old, new);
}
#ifdef CONFIG_MODULES
/*
* Out of range jumps are called from modules.
* We should either already have a pointer to the module
......@@ -367,9 +371,13 @@ int ftrace_make_nop(struct module *mod,
mod = rec->arch.mod;
return __ftrace_make_nop(mod, rec, addr);
#else
/* We should not get here without modules */
return -EINVAL;
#endif /* CONFIG_MODULES */
}
#ifdef CONFIG_MODULES
#ifdef CONFIG_PPC64
static int
__ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
......@@ -458,6 +466,7 @@ __ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
return 0;
}
#endif /* CONFIG_PPC64 */
#endif /* CONFIG_MODULES */
int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
{
......@@ -476,6 +485,7 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
return ftrace_modify_code(ip, old, new);
}
#ifdef CONFIG_MODULES
/*
* Out of range jumps are called from modules.
* Being that we are converting from nop, it had better
......@@ -487,6 +497,10 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
}
return __ftrace_make_call(rec, addr);
#else
/* We should not get here without modules */
return -EINVAL;
#endif /* CONFIG_MODULES */
}
int ftrace_update_ftrace_func(ftrace_func_t func)
......
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