linux-kernel - [PATCH 2/2] powerpc/ptrace: Refactor regs_set_return

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Date:   Fri, 25 Jun 2021 11:13:17 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH 2/2] powerpc/ptrace: Refactor regs_set_return_{msr/ip}

regs_set_return_msr() and regs_set_return_ip() have a copy
of the code of set_return_regs_changed().

Call the later instead.

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/include/asm/ptrace.h | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index 14b8105a1e27..3e5d470a6155 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -146,19 +146,13 @@ static inline void set_return_regs_changed(void)
 static inline void regs_set_return_ip(struct pt_regs *regs, unsigned long ip)
 {
 	regs->nip = ip;
-#ifdef CONFIG_PPC_BOOK3S_64
-	local_paca->hsrr_valid = 0;
-	local_paca->srr_valid = 0;
-#endif
+	set_return_regs_changed();
 }
 
 static inline void regs_set_return_msr(struct pt_regs *regs, unsigned long msr)
 {
 	regs->msr = msr;
-#ifdef CONFIG_PPC_BOOK3S_64
-	local_paca->hsrr_valid = 0;
-	local_paca->srr_valid = 0;
-#endif
+	set_return_regs_changed();
 }
 
 static inline void regs_add_return_ip(struct pt_regs *regs, long offset)
-- 
2.25.0