[PATCH v16 01/18] tracing: Use arch_ftrace_regs() for ftrace_regs_*() macros

Masami Hiramatsu (Google)
2024-10-15T01:28:48Z

Since the arch_ftrace_get_regs(fregs) is only valid when the
FL_SAVE_REGS is set, we need to use `&arch_ftrace_regs()->regs` for
ftrace_regs_*() APIs because those APIs are for ftrace_regs, not
complete pt_regs.

Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
---
include/linux/ftrace_regs.h | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/linux/ftrace_regs.h b/include/linux/ftrace_regs.h
index dea6a0851b74..b78a0a60515b 100644
--- a/include/linux/ftrace_regs.h
+++ b/include/linux/ftrace_regs.h
@@ -17,17 +17,17 @@ struct __arch_ftrace_regs {
struct ftrace_regs;

#define ftrace_regs_get_instruction_pointer(fregs) \
- instruction_pointer(arch_ftrace_get_regs(fregs))
+ instruction_pointer(&arch_ftrace_regs(fregs)->regs)
#define ftrace_regs_get_argument(fregs, n) \
- regs_get_kernel_argument(arch_ftrace_get_regs(fregs), n)
+ regs_get_kernel_argument(&arch_ftrace_regs(fregs)->regs, n)
#define ftrace_regs_get_stack_pointer(fregs) \
- kernel_stack_pointer(arch_ftrace_get_regs(fregs))
+ kernel_stack_pointer(&arch_ftrace_regs(fregs)->regs)
#define ftrace_regs_return_value(fregs) \
- regs_return_value(arch_ftrace_get_regs(fregs))
+ regs_return_value(&arch_ftrace_regs(fregs)->regs)
#define ftrace_regs_set_return_value(fregs, ret) \
- regs_set_return_value(arch_ftrace_get_regs(fregs), ret)
+ regs_set_return_value(&arch_ftrace_regs(fregs)->regs, ret)
#define ftrace_override_function_with_return(fregs) \
- override_function_with_return(arch_ftrace_get_regs(fregs))
+ override_function_with_return(&arch_ftrace_regs(fregs)->regs)
#define ftrace_regs_query_register_offset(name) \
regs_query_register_offset(name)