Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
39 lines
680 B
C
39 lines
680 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
#ifndef _ASM_POWERPC_CURRENT_H
|
|
#define _ASM_POWERPC_CURRENT_H
|
|
#ifdef __KERNEL__
|
|
|
|
/*
|
|
*/
|
|
|
|
struct task_struct;
|
|
|
|
#ifdef __powerpc64__
|
|
#include <linux/stddef.h>
|
|
#include <asm/paca.h>
|
|
|
|
static inline struct task_struct *get_current(void)
|
|
{
|
|
struct task_struct *task;
|
|
|
|
/* get_current can be cached by the compiler, so no volatile */
|
|
asm ("ld %0,%1(13)"
|
|
: "=r" (task)
|
|
: "i" (offsetof(struct paca_struct, __current)));
|
|
|
|
return task;
|
|
}
|
|
#define current get_current()
|
|
|
|
#else
|
|
|
|
/*
|
|
* We keep `current' in r2 for speed.
|
|
*/
|
|
register struct task_struct *current asm ("r2");
|
|
|
|
#endif
|
|
|
|
#endif /* __KERNEL__ */
|
|
#endif /* _ASM_POWERPC_CURRENT_H */
|