linux-kernel - [RFC PATCH 3/9] powerpc/ftrace: Remove nops after the call to ftrace

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Message-ID: <8ee5ec520e37d5523654bb2cd65a17512fb774e2.1702045299.git.naveen@kernel.org>
Date:   Fri,  8 Dec 2023 22:00:42 +0530
From:   Naveen N Rao <naveen@...nel.org>
To:     <linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>
Cc:     Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        "Aneesh Kumar K.V" <aneesh.kumar@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Mark Rutland <mark.rutland@....com>,
        Florent Revest <revest@...omium.org>,
        Masami Hiramatsu <mhiramat@...nel.org>
Subject: [RFC PATCH 3/9] powerpc/ftrace: Remove nops after the call to ftrace_stub

ftrace_stub is within the same CU, so there is no need for a subsequent
nop instruction.

Signed-off-by: Naveen N Rao <naveen@...nel.org>
---
 arch/powerpc/kernel/trace/ftrace_entry.S | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/powerpc/kernel/trace/ftrace_entry.S b/arch/powerpc/kernel/trace/ftrace_entry.S
index 17d1ed3d0b40..244a1c7bb1e8 100644
--- 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)
-- 
2.43.0