From 4ba66a9760722ccbb691b8f7116cad2f791cca7b Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 7 Mar 2018 22:23:24 +0100 Subject: arch: remove blackfin port The Analog Devices Blackfin port was added in 2007 and was rather active for a while, but all work on it has come to a standstill over time, as Analog have changed their product line-up. Aaron Wu confirmed that the architecture port is no longer relevant, and multiple people suggested removing blackfin independently because of some of its oddities like a non-working SMP port, and the amount of duplication between the chip variants, which cause extra work when doing cross-architecture changes. Link: https://docs.blackfin.uclinux.org/ Acked-by: Aaron Wu Acked-by: Bryan Wu Cc: Steven Miao Cc: Mike Frysinger Signed-off-by: Arnd Bergmann --- arch/blackfin/include/asm/ptrace.h | 42 -------------------------------------- 1 file changed, 42 deletions(-) delete mode 100644 arch/blackfin/include/asm/ptrace.h (limited to 'arch/blackfin/include/asm/ptrace.h') diff --git a/arch/blackfin/include/asm/ptrace.h b/arch/blackfin/include/asm/ptrace.h deleted file mode 100644 index c00491594b46..000000000000 --- a/arch/blackfin/include/asm/ptrace.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Copyright 2004-2008 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ -#ifndef _BFIN_PTRACE_H -#define _BFIN_PTRACE_H - -#include - -#ifndef __ASSEMBLY__ - -/* user_mode returns true if only one bit is set in IPEND, other than the - master interrupt enable. */ -#define user_mode(regs) (!(((regs)->ipend & ~0x10) & (((regs)->ipend & ~0x10) - 1))) - -#define arch_has_single_step() (1) -/* common code demands this function */ -#define ptrace_disable(child) user_disable_single_step(child) -#define current_user_stack_pointer() rdusp() - -extern int is_user_addr_valid(struct task_struct *child, - unsigned long start, unsigned long len); - -/* - * Get the address of the live pt_regs for the specified task. - * These are saved onto the top kernel stack when the process - * is not running. - * - * Note: if a user thread is execve'd from kernel space, the - * kernel stack will not be empty on entry to the kernel, so - * ptracing these tasks will fail. - */ -#define task_pt_regs(task) \ - (struct pt_regs *) \ - ((unsigned long)task_stack_page(task) + \ - (THREAD_SIZE - sizeof(struct pt_regs))) - -#include - -#endif /* __ASSEMBLY__ */ -#endif /* _BFIN_PTRACE_H */ -- cgit