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Message-Id: <161676178902.330141.11229722762957487993.stgit@devnote2>
Date:   Fri, 26 Mar 2021 21:29:49 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...nel.org>
Cc:     X86 ML <x86@...nel.org>, Masami Hiramatsu <mhiramat@...nel.org>,
        Daniel Xu <dxu@...uu.xyz>, linux-kernel@...r.kernel.org,
        bpf@...r.kernel.org, kuba@...nel.org, mingo@...hat.com,
        ast@...nel.org, tglx@...utronix.de, kernel-team@...com, yhs@...com,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        linux-ia64@...r.kernel.org,
        Abhishek Sagar <sagar.abhishek@...il.com>
Subject: [PATCH -tip v5 07/12] ia64: Add instruction_pointer_set() API

Add instruction_pointer_set() API for ia64.

Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>
---
  Changes in v4:
   - Make the API macro for avoiding a build error.
---
 arch/ia64/include/asm/ptrace.h |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/ia64/include/asm/ptrace.h b/arch/ia64/include/asm/ptrace.h
index b3aa46090101..4c2f838b2e77 100644
--- a/arch/ia64/include/asm/ptrace.h
+++ b/arch/ia64/include/asm/ptrace.h
@@ -51,6 +51,11 @@
  * the canonical representation by adding to instruction pointer.
  */
 # define instruction_pointer(regs) ((regs)->cr_iip + ia64_psr(regs)->ri)
+# define instruction_pointer_set(regs, val)	\
+  ({						\
+	ia64_psr(regs)->ri = (val & 0xf);	\
+	regs->cr_iip = (val & ~0xfULL);		\
+  })
 
 static inline unsigned long user_stack_pointer(struct pt_regs *regs)
 {

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