From mboxrd@z Thu Jan 1 00:00:00 1970 From: Masami Hiramatsu Date: Thu, 29 Jul 2021 14:07:29 +0000 Subject: [PATCH -tip v10 10/16] ia64: Add instruction_pointer_set() API Message-Id: <162756764934.301564.7514914520658490663.stgit@devnote2> List-Id: References: <162756755600.301564.4957591913842010341.stgit@devnote2> In-Reply-To: <162756755600.301564.4957591913842010341.stgit@devnote2> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Steven Rostedt , Josh Poimboeuf , Ingo Molnar Cc: X86 ML , Masami Hiramatsu , Daniel Xu , linux-kernel@vger.kernel.org, bpf@vger.kernel.org, kuba@kernel.org, mingo@redhat.com, ast@kernel.org, Thomas Gleixner , Borislav Petkov , Peter Zijlstra , kernel-team@fb.com, yhs@fb.com, linux-ia64@vger.kernel.org, Abhishek Sagar , Andrii Nakryiko Add instruction_pointer_set() API for ia64. Signed-off-by: Masami Hiramatsu --- Changes in v9: - Fix "space at the start of a line" checkpatch warnings. 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 08179135905c..8a2d0f72b324 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) {