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author | Jiri Slaby <jslaby@suse.cz> | 2016-05-21 02:00:11 +0200 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-05-21 02:58:30 +0200 |
commit | 2ec656eb4054ce55e6d453b8614ef9669e84c542 (patch) | |
tree | ddc16af6854567fb2205c677178e71e897ce3613 /arch | |
parent | procfs: fix pthread cross-thread naming if !PR_DUMPABLE (diff) | |
download | linux-2ec656eb4054ce55e6d453b8614ef9669e84c542.tar.xz linux-2ec656eb4054ce55e6d453b8614ef9669e84c542.zip |
mn10300: let exit_fpu accept a task
We need to call exit_thread from copy_process in a fail path. Since
exit_thread on mn10300 calls exit_thread_runtime_instr, make it accept
task_struct as a parameter now.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chen Liqin <liqin.linux@gmail.com>
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: David Howells <dhowells@redhat.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Richard Weinberger <richard@nod.at>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Steven Miao <realmz6@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/mn10300/include/asm/fpu.h | 6 | ||||
-rw-r--r-- | arch/mn10300/kernel/process.c | 2 |
2 files changed, 3 insertions, 5 deletions
diff --git a/arch/mn10300/include/asm/fpu.h b/arch/mn10300/include/asm/fpu.h index 738ff72659d5..a47e995d45f3 100644 --- a/arch/mn10300/include/asm/fpu.h +++ b/arch/mn10300/include/asm/fpu.h @@ -76,11 +76,9 @@ static inline void unlazy_fpu(struct task_struct *tsk) preempt_enable(); } -static inline void exit_fpu(void) +static inline void exit_fpu(struct task_struct *tsk) { #ifdef CONFIG_LAZY_SAVE_FPU - struct task_struct *tsk = current; - preempt_disable(); if (fpu_state_owner == tsk) fpu_state_owner = NULL; @@ -123,7 +121,7 @@ static inline void fpu_init_state(void) {} static inline void fpu_save(struct fpu_state_struct *s) {} static inline void fpu_kill_state(struct task_struct *tsk) {} static inline void unlazy_fpu(struct task_struct *tsk) {} -static inline void exit_fpu(void) {} +static inline void exit_fpu(struct task_struct *tsk) {} static inline void flush_fpu(void) {} static inline int fpu_setup_sigcontext(struct fpucontext *buf) { return 0; } static inline int fpu_restore_sigcontext(struct fpucontext *buf) { return 0; } diff --git a/arch/mn10300/kernel/process.c b/arch/mn10300/kernel/process.c index 3707da583d05..74a96ccf7451 100644 --- a/arch/mn10300/kernel/process.c +++ b/arch/mn10300/kernel/process.c @@ -105,7 +105,7 @@ void show_regs(struct pt_regs *regs) */ void exit_thread(void) { - exit_fpu(); + exit_fpu(current); } void flush_thread(void) |