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powerpc/ftrace: Remove nops after the call to ftrace_stub
author
Naveen N Rao
<naveen@kernel.org>
Fri, 8 Dec 2023 16:30:42 +0000
(22:00 +0530)
committer
Michael Ellerman
<mpe@ellerman.id.au>
Wed, 13 Dec 2023 10:49:22 +0000
(21:49 +1100)
ftrace_stub is within the same CU, so there is no need for a subsequent
nop instruction.
Signed-off-by: Naveen N Rao <naveen@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link:
https://msgid.link/8ee5ec520e37d5523654bb2cd65a17512fb774e2.1702045299.git.naveen@kernel.org
arch/powerpc/kernel/trace/ftrace_entry.S
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diff --git
a/arch/powerpc/kernel/trace/ftrace_entry.S
b/arch/powerpc/kernel/trace/ftrace_entry.S
index 90701885762cf1ccbd739f93d8a2179811dce4a1..a517a4085cff7cb2b37708d11f2bc0afd5076b70 100644
(file)
--- a/
arch/powerpc/kernel/trace/ftrace_entry.S
+++ b/
arch/powerpc/kernel/trace/ftrace_entry.S
@@
-162,7
+162,6
@@
_GLOBAL(ftrace_regs_caller)
.globl ftrace_regs_call
ftrace_regs_call:
bl ftrace_stub
- nop
ftrace_regs_exit 1
_GLOBAL(ftrace_caller)
@@
-171,7
+170,6
@@
_GLOBAL(ftrace_caller)
.globl ftrace_call
ftrace_call:
bl ftrace_stub
- nop
ftrace_regs_exit 0
_GLOBAL(ftrace_stub)