575d6b77fa
To follow the existing per-arch conventions, add asm "sp" as "current_stack_pointer". This will let it be used in non-arch places (like HARDENED_USERCOPY). Cc: linux-m68k@lists.linux-m68k.org Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Link: https://lore.kernel.org/lkml/CAMuHMdU6msvi0j=mS28GFYbm+uMRk7PkYe+zOM4sDmOVxeibLQ@mail.gmail.com
31 lines
640 B
C
31 lines
640 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _M68K_CURRENT_H
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#define _M68K_CURRENT_H
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#ifdef CONFIG_MMU
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register struct task_struct *current __asm__("%a2");
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#else
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/*
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* Rather than dedicate a register (as the m68k source does), we
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* just keep a global, we should probably just change it all to be
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* current and lose _current_task.
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*/
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#include <linux/thread_info.h>
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struct task_struct;
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static inline struct task_struct *get_current(void)
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{
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return(current_thread_info()->task);
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}
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#define current get_current()
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#endif /* CONFIG_MMU */
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register unsigned long current_stack_pointer __asm__("sp");
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#endif /* !(_M68K_CURRENT_H) */
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