[PATCH 3/4] exit_thread: accept a task parameter to be exited
Jiri Slaby
jslaby at suse.cz
Thu Mar 24 05:58:13 PDT 2016
We need to call exit_thread from copy_process in a fail path. So make
it accept task_struct as a parameter.
Signed-off-by: Jiri Slaby <jslaby at suse.cz>
Cc: Richard Henderson <rth at twiddle.net>
Cc: Ivan Kokshaysky <ink at jurassic.park.msu.ru>
Cc: Matt Turner <mattst88 at gmail.com>
Cc: Vineet Gupta <vgupta at synopsys.com>
Cc: Russell King <linux at arm.linux.org.uk>
Cc: Catalin Marinas <catalin.marinas at arm.com>
Cc: Will Deacon <will.deacon at arm.com>
Cc: Haavard Skinnemoen <hskinnemoen at gmail.com>
Cc: Hans-Christian Egtvedt <egtvedt at samfundet.no>
Cc: Steven Miao <realmz6 at gmail.com>
Cc: Mark Salter <msalter at redhat.com>
Cc: Aurelien Jacquiot <a-jacquiot at ti.com>
Cc: Mikael Starvik <starvik at axis.com>
Cc: Jesper Nilsson <jesper.nilsson at axis.com>
Cc: Yoshinori Sato <ysato at users.sourceforge.jp>
Cc: Richard Kuo <rkuo at codeaurora.org>
Cc: Tony Luck <tony.luck at intel.com>
Cc: Fenghua Yu <fenghua.yu at intel.com>
Cc: Geert Uytterhoeven <geert at linux-m68k.org>
Cc: James Hogan <james.hogan at imgtec.com>
Cc: Michal Simek <monstr at monstr.eu>
Cc: Ralf Baechle <ralf at linux-mips.org>
Cc: David Howells <dhowells at redhat.com>
Cc: Koichi Yasutake <yasutake.koichi at jp.panasonic.com>
Cc: Ley Foon Tan <lftan at altera.com>
Cc: Jonas Bonn <jonas at southpole.se>
Cc: "James E.J. Bottomley" <jejb at parisc-linux.org>
Cc: Helge Deller <deller at gmx.de>
Cc: Benjamin Herrenschmidt <benh at kernel.crashing.org>
Cc: Paul Mackerras <paulus at samba.org>
Cc: Michael Ellerman <mpe at ellerman.id.au>
Cc: Martin Schwidefsky <schwidefsky at de.ibm.com>
Cc: Heiko Carstens <heiko.carstens at de.ibm.com>
Cc: Chen Liqin <liqin.linux at gmail.com>
Cc: Lennox Wu <lennox.wu at gmail.com>
Cc: Rich Felker <dalias at libc.org>
Cc: "David S. Miller" <davem at davemloft.net>
Cc: Chris Metcalf <cmetcalf at mellanox.com>
Cc: Jeff Dike <jdike at addtoit.com>
Cc: Richard Weinberger <richard at nod.at>
Cc: Guan Xuetao <gxt at mprc.pku.edu.cn>
Cc: Thomas Gleixner <tglx at linutronix.de>
Cc: Ingo Molnar <mingo at redhat.com>
Cc: "H. Peter Anvin" <hpa at zytor.com>
Cc: x86 at kernel.org
Cc: Chris Zankel <chris at zankel.net>
Cc: Max Filippov <jcmvbkbc at gmail.com>
Cc: Peter Zijlstra <peterz at infradead.org>
Cc: linux-alpha at vger.kernel.org
Cc: linux-kernel at vger.kernel.org
Cc: linux-snps-arc at lists.infradead.org
Cc: linux-arm-kernel at lists.infradead.org
Cc: adi-buildroot-devel at lists.sourceforge.net
Cc: linux-c6x-dev at linux-c6x.org
Cc: linux-cris-kernel at axis.com
Cc: uclinux-h8-devel at lists.sourceforge.jp
Cc: linux-hexagon at vger.kernel.org
Cc: linux-ia64 at vger.kernel.org
Cc: linux-m68k at lists.linux-m68k.org
Cc: linux-metag at vger.kernel.org
Cc: linux-mips at linux-mips.org
Cc: linux-am33-list at redhat.com
Cc: nios2-dev at lists.rocketboards.org
Cc: linux-parisc at vger.kernel.org
Cc: linuxppc-dev at lists.ozlabs.org
Cc: linux-s390 at vger.kernel.org
Cc: linux-sh at vger.kernel.org
Cc: sparclinux at vger.kernel.org
Cc: user-mode-linux-devel at lists.sourceforge.net
Cc: user-mode-linux-user at lists.sourceforge.net
Cc: linux-xtensa at linux-xtensa.org
---
arch/alpha/kernel/process.c | 2 +-
arch/arc/kernel/process.c | 2 +-
arch/arm/kernel/process.c | 4 ++--
arch/arm64/kernel/process.c | 2 +-
arch/avr32/kernel/process.c | 4 ++--
arch/blackfin/include/asm/processor.h | 2 +-
arch/c6x/kernel/process.c | 2 +-
arch/cris/arch-v10/kernel/process.c | 2 +-
arch/cris/arch-v32/kernel/process.c | 4 ++--
arch/frv/include/asm/processor.h | 2 +-
arch/h8300/include/asm/processor.h | 2 +-
arch/hexagon/kernel/process.c | 2 +-
arch/ia64/kernel/perfmon.c | 4 ++--
arch/ia64/kernel/process.c | 14 +++++++-------
arch/m32r/kernel/process.c | 4 ++--
arch/m68k/include/asm/processor.h | 2 +-
arch/metag/include/asm/processor.h | 2 +-
arch/metag/kernel/process.c | 6 +++---
arch/microblaze/include/asm/processor.h | 4 ++--
arch/mips/kernel/process.c | 2 +-
arch/mn10300/kernel/process.c | 4 ++--
arch/nios2/include/asm/processor.h | 2 +-
arch/openrisc/include/asm/processor.h | 2 +-
arch/parisc/kernel/process.c | 2 +-
arch/powerpc/kernel/process.c | 2 +-
arch/s390/kernel/process.c | 4 ++--
arch/score/kernel/process.c | 2 +-
arch/sh/kernel/process_32.c | 2 +-
arch/sh/kernel/process_64.c | 4 ++--
arch/sparc/kernel/process_32.c | 12 ++++++------
arch/sparc/kernel/process_64.c | 4 ++--
arch/tile/kernel/process.c | 4 ++--
arch/um/kernel/process.c | 2 +-
arch/unicore32/kernel/process.c | 2 +-
arch/x86/kernel/process.c | 3 +--
arch/xtensa/kernel/process.c | 4 ++--
include/linux/sched.h | 2 +-
kernel/exit.c | 2 +-
38 files changed, 63 insertions(+), 64 deletions(-)
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 84d13263ce46..1e044d1f7525 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -214,7 +214,7 @@ EXPORT_SYMBOL(start_thread);
* Free current thread data structures etc..
*/
void
-exit_thread(void)
+exit_thread(struct task_struct *me)
{
}
diff --git a/arch/arc/kernel/process.c b/arch/arc/kernel/process.c
index a3f750e76b68..70944dfab6c6 100644
--- a/arch/arc/kernel/process.c
+++ b/arch/arc/kernel/process.c
@@ -186,7 +186,7 @@ void flush_thread(void)
/*
* Free any architecture-specific thread data structures, etc.
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
}
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 4adfb46e3ee9..e8ecd02bf7ea 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -193,9 +193,9 @@ EXPORT_SYMBOL_GPL(thread_notify_head);
/*
* Free current thread data structures etc..
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
- thread_notify(THREAD_NOTIFY_EXIT, current_thread_info());
+ thread_notify(THREAD_NOTIFY_EXIT, task_thread_info(me));
}
void flush_thread(void)
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 80624829db61..84b288c85e4a 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -203,7 +203,7 @@ void show_regs(struct pt_regs * regs)
/*
* Free current thread data structures etc..
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
}
diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c
index 42a53e740a7e..ea21d0e99b6b 100644
--- a/arch/avr32/kernel/process.c
+++ b/arch/avr32/kernel/process.c
@@ -62,9 +62,9 @@ void machine_restart(char *cmd)
/*
* Free current thread data structures etc
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
- ocd_disable(current);
+ ocd_disable(me);
}
void flush_thread(void)
diff --git a/arch/blackfin/include/asm/processor.h b/arch/blackfin/include/asm/processor.h
index 7acd46653df3..7aa6cd0ac8d9 100644
--- a/arch/blackfin/include/asm/processor.h
+++ b/arch/blackfin/include/asm/processor.h
@@ -78,7 +78,7 @@ static inline void release_thread(struct task_struct *dead_task)
/*
* Free current thread data structures etc..
*/
-static inline void exit_thread(void)
+static inline void exit_thread(struct task_struct *me)
{
}
diff --git a/arch/c6x/kernel/process.c b/arch/c6x/kernel/process.c
index 3ae9f5a166a0..4b2dfb1d330d 100644
--- a/arch/c6x/kernel/process.c
+++ b/arch/c6x/kernel/process.c
@@ -82,7 +82,7 @@ void flush_thread(void)
{
}
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
}
diff --git a/arch/cris/arch-v10/kernel/process.c b/arch/cris/arch-v10/kernel/process.c
index 02b783457be0..2aaaccc3883c 100644
--- a/arch/cris/arch-v10/kernel/process.c
+++ b/arch/cris/arch-v10/kernel/process.c
@@ -39,7 +39,7 @@ void default_idle(void)
* Free current thread data structures etc..
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
/* Nothing needs to be done. */
}
diff --git a/arch/cris/arch-v32/kernel/process.c b/arch/cris/arch-v32/kernel/process.c
index c7ce784a393c..5f55d15366ea 100644
--- a/arch/cris/arch-v32/kernel/process.c
+++ b/arch/cris/arch-v32/kernel/process.c
@@ -33,9 +33,9 @@ void default_idle(void)
*/
extern void deconfigure_bp(long pid);
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
- deconfigure_bp(current->pid);
+ deconfigure_bp(me->pid);
}
/*
diff --git a/arch/frv/include/asm/processor.h b/arch/frv/include/asm/processor.h
index ae8d423e79d9..cff4440abcee 100644
--- a/arch/frv/include/asm/processor.h
+++ b/arch/frv/include/asm/processor.h
@@ -99,7 +99,7 @@ extern asmlinkage void *restore_user_regs(const struct user_context *target, ...
/*
* Free current thread data structures etc..
*/
-static inline void exit_thread(void)
+static inline void exit_thread(struct task_struct *me)
{
}
diff --git a/arch/h8300/include/asm/processor.h b/arch/h8300/include/asm/processor.h
index 54e3fd83c336..d79f99c645ad 100644
--- a/arch/h8300/include/asm/processor.h
+++ b/arch/h8300/include/asm/processor.h
@@ -113,7 +113,7 @@ static inline void release_thread(struct task_struct *dead_task)
/*
* Free current thread data structures etc..
*/
-static inline void exit_thread(void)
+static inline void exit_thread(struct task_struct *me)
{
}
diff --git a/arch/hexagon/kernel/process.c b/arch/hexagon/kernel/process.c
index a9ebd471823a..228b77433fe8 100644
--- a/arch/hexagon/kernel/process.c
+++ b/arch/hexagon/kernel/process.c
@@ -139,7 +139,7 @@ void release_thread(struct task_struct *dead_task)
/*
* Free any architecture-specific thread data structures, etc.
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
}
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 9cd607b06964..2436ad5f92c1 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -4542,8 +4542,8 @@ pfm_context_unload(pfm_context_t *ctx, void *arg, int count, struct pt_regs *reg
/*
- * called only from exit_thread(): task == current
- * we come here only if current has a context attached (loaded or masked)
+ * called only from exit_thread()
+ * we come here only if the task has a context attached (loaded or masked)
*/
void
pfm_exit_thread(struct task_struct *task)
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index b51514957620..445f09fb2820 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -570,22 +570,22 @@ flush_thread (void)
}
/*
- * Clean up state associated with current thread. This is called when
+ * Clean up state associated with a thread. This is called when
* the thread calls exit().
*/
void
-exit_thread (void)
+exit_thread (struct task_struct *me)
{
- ia64_drop_fpu(current);
+ ia64_drop_fpu(me);
#ifdef CONFIG_PERFMON
/* if needed, stop monitoring and flush state to perfmon context */
- if (current->thread.pfm_context)
- pfm_exit_thread(current);
+ if (me->thread.pfm_context)
+ pfm_exit_thread(me);
/* free debug register resources */
- if (current->thread.flags & IA64_THREAD_DBG_VALID)
- pfm_release_debug_registers(current);
+ if (me->thread.flags & IA64_THREAD_DBG_VALID)
+ pfm_release_debug_registers(me);
#endif
}
diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c
index e69221d581d5..00a41866b05e 100644
--- a/arch/m32r/kernel/process.c
+++ b/arch/m32r/kernel/process.c
@@ -104,10 +104,10 @@ void show_regs(struct pt_regs * regs)
/*
* Free current thread data structures etc..
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
/* Nothing to do. */
- DPRINTK("pid = %d\n", current->pid);
+ DPRINTK("pid = %d\n", me->pid);
}
void flush_thread(void)
diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h
index 20dda1d4b860..57ef5d420307 100644
--- a/arch/m68k/include/asm/processor.h
+++ b/arch/m68k/include/asm/processor.h
@@ -156,7 +156,7 @@ static inline void release_thread(struct task_struct *dead_task)
/*
* Free current thread data structures etc..
*/
-static inline void exit_thread(void)
+static inline void exit_thread(struct task_struct *me)
{
}
diff --git a/arch/metag/include/asm/processor.h b/arch/metag/include/asm/processor.h
index 0838ca699764..daf7943168f0 100644
--- a/arch/metag/include/asm/processor.h
+++ b/arch/metag/include/asm/processor.h
@@ -134,7 +134,7 @@ static inline void release_thread(struct task_struct *dead_task)
#define copy_segments(tsk, mm) do { } while (0)
#define release_segments(mm) do { } while (0)
-extern void exit_thread(void);
+extern void exit_thread(struct task_struct *me);
/*
* Return saved PC of a blocked thread.
diff --git a/arch/metag/kernel/process.c b/arch/metag/kernel/process.c
index 7f546183a0f0..f5c507c3d804 100644
--- a/arch/metag/kernel/process.c
+++ b/arch/metag/kernel/process.c
@@ -345,10 +345,10 @@ void flush_thread(void)
/*
* Free current thread data structures etc.
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
- clear_fpu(¤t->thread);
- clear_dsp(¤t->thread);
+ clear_fpu(&me->thread);
+ clear_dsp(&me->thread);
}
/* TODO: figure out how to unwind the kernel stack here to figure out
diff --git a/arch/microblaze/include/asm/processor.h b/arch/microblaze/include/asm/processor.h
index 497a988d79c2..41300e76aac0 100644
--- a/arch/microblaze/include/asm/processor.h
+++ b/arch/microblaze/include/asm/processor.h
@@ -71,7 +71,7 @@ static inline void release_thread(struct task_struct *dead_task)
}
/* Free all resources held by a thread. */
-static inline void exit_thread(void)
+static inline void exit_thread(struct task_struct *me)
{
}
@@ -128,7 +128,7 @@ static inline void release_thread(struct task_struct *dead_task)
}
/* Free current thread data structures etc. */
-static inline void exit_thread(void)
+static inline void exit_thread(struct task_struct *me)
{
}
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 92880cee449e..26f90e9ea288 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -73,7 +73,7 @@ void start_thread(struct pt_regs * regs, unsigned long pc, unsigned long sp)
regs->regs[29] = sp;
}
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
}
diff --git a/arch/mn10300/kernel/process.c b/arch/mn10300/kernel/process.c
index 74a96ccf7451..99d73b5c2d33 100644
--- a/arch/mn10300/kernel/process.c
+++ b/arch/mn10300/kernel/process.c
@@ -103,9 +103,9 @@ void show_regs(struct pt_regs *regs)
/*
* free current thread data structures etc..
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
- exit_fpu(current);
+ exit_fpu(me);
}
void flush_thread(void)
diff --git a/arch/nios2/include/asm/processor.h b/arch/nios2/include/asm/processor.h
index c2ba45c159c7..a8443c158d65 100644
--- a/arch/nios2/include/asm/processor.h
+++ b/arch/nios2/include/asm/processor.h
@@ -76,7 +76,7 @@ static inline void release_thread(struct task_struct *dead_task)
}
/* Free current thread data structures etc.. */
-static inline void exit_thread(void)
+static inline void exit_thread(struct task_struct *me)
{
}
diff --git a/arch/openrisc/include/asm/processor.h b/arch/openrisc/include/asm/processor.h
index 4d235e3d2534..26a8f3760a71 100644
--- a/arch/openrisc/include/asm/processor.h
+++ b/arch/openrisc/include/asm/processor.h
@@ -88,7 +88,7 @@ unsigned long get_wchan(struct task_struct *p);
* Free current thread data structures etc..
*/
-extern inline void exit_thread(void)
+extern inline void exit_thread(struct task_struct *me)
{
/* Nothing needs to be done. */
}
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c
index 809905a811ed..5750fe642202 100644
--- a/arch/parisc/kernel/process.c
+++ b/arch/parisc/kernel/process.c
@@ -147,7 +147,7 @@ EXPORT_SYMBOL(pm_power_off);
/*
* Free current thread data structures etc..
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
}
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 612df305886b..bb6da7f3c27b 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1326,7 +1326,7 @@ void show_regs(struct pt_regs * regs)
show_instructions(regs);
}
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
}
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 7fabc985a7dd..b86625490090 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -70,9 +70,9 @@ extern void kernel_thread_starter(void);
/*
* Free current thread data structures etc..
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
- exit_thread_runtime_instr(current);
+ exit_thread_runtime_instr(me);
}
void flush_thread(void)
diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c
index a1519ad3d49d..de22a45558d6 100644
--- a/arch/score/kernel/process.c
+++ b/arch/score/kernel/process.c
@@ -56,7 +56,7 @@ void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long sp)
regs->regs[0] = sp;
}
-void exit_thread(void) {}
+void exit_thread(struct task_struct *me) {}
/*
* When a process does an "exec", machine state like FPU and debug
diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index 2885fc9d9dcd..4e360f2be5fd 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -79,7 +79,7 @@ EXPORT_SYMBOL(start_thread);
/*
* Free current thread data structures etc..
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
}
diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
index e2062e643341..8bb717f5bfc9 100644
--- a/arch/sh/kernel/process_64.c
+++ b/arch/sh/kernel/process_64.c
@@ -288,7 +288,7 @@ void show_regs(struct pt_regs *regs)
/*
* Free current thread data structures etc..
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
/*
* See arch/sparc/kernel/process.c for the precedent for doing
@@ -307,7 +307,7 @@ void exit_thread(void)
* which it would get safely nulled.
*/
#ifdef CONFIG_SH_FPU
- if (last_task_used_math == current) {
+ if (last_task_used_math == me) {
last_task_used_math = NULL;
}
#endif
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index c5113c7ce2fd..00ade5a2f5e8 100644
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -184,21 +184,21 @@ unsigned long thread_saved_pc(struct task_struct *tsk)
/*
* Free current thread data structures etc..
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
#ifndef CONFIG_SMP
- if(last_task_used_math == current) {
+ if (last_task_used_math == me) {
#else
- if (test_thread_flag(TIF_USEDFPU)) {
+ if (test_ti_thread_flag(task_thread_info(me), TIF_USEDFPU)) {
#endif
/* Keep process from leaving FPU in a bogon state. */
put_psr(get_psr() | PSR_EF);
- fpsave(¤t->thread.float_regs[0], ¤t->thread.fsr,
- ¤t->thread.fpqueue[0], ¤t->thread.fpqdepth);
+ fpsave(&me->thread.float_regs[0], &me->thread.fsr,
+ &me->thread.fpqueue[0], &me->thread.fpqdepth);
#ifndef CONFIG_SMP
last_task_used_math = NULL;
#else
- clear_thread_flag(TIF_USEDFPU);
+ clear_ti_thread_flag(task_thread_info(me), TIF_USEDFPU);
#endif
}
}
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index 46a59643bb1c..5cb4077f5cb8 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -417,9 +417,9 @@ unsigned long thread_saved_pc(struct task_struct *tsk)
}
/* Free current thread data structures etc.. */
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
- struct thread_info *t = current_thread_info();
+ struct thread_info *t = task_thread_info(me);
if (t->utraps) {
if (t->utraps[0] < 2)
diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c
index b5f30d376ce1..94080d327efc 100644
--- a/arch/tile/kernel/process.c
+++ b/arch/tile/kernel/process.c
@@ -541,7 +541,7 @@ void flush_thread(void)
/*
* Free current thread data structures etc..
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
#ifdef CONFIG_HARDWALL
/*
@@ -550,7 +550,7 @@ void exit_thread(void)
* the last reference to a hardwall fd, it would already have
* been released and deactivated at this point.)
*/
- hardwall_deactivate_all(current);
+ hardwall_deactivate_all(me);
#endif
}
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index 48af59aae129..06eb532965d1 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -103,7 +103,7 @@ void interrupt_end(void)
tracehook_notify_resume(regs);
}
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
}
diff --git a/arch/unicore32/kernel/process.c b/arch/unicore32/kernel/process.c
index b008e9961465..7c23697bc2ed 100644
--- a/arch/unicore32/kernel/process.c
+++ b/arch/unicore32/kernel/process.c
@@ -204,7 +204,7 @@ void show_regs(struct pt_regs *regs)
/*
* Free current thread data structures etc..
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
}
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 2915d54e9dd5..55c97e4ef71b 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -97,9 +97,8 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
/*
* Free current thread data structures etc..
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
- struct task_struct *me = current;
struct thread_struct *t = &me->thread;
unsigned long *bp = t->io_bitmap_ptr;
struct fpu *fpu = &t->fpu;
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index 5bbfed81c97b..6f3b54eb346c 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -115,10 +115,10 @@ void arch_cpu_idle(void)
/*
* This is called when the thread calls exit().
*/
-void exit_thread(void)
+void exit_thread(struct task_struct *me)
{
#if XTENSA_HAVE_COPROCESSORS
- coprocessor_release_all(current_thread_info());
+ coprocessor_release_all(task_thread_info(me));
#endif
}
diff --git a/include/linux/sched.h b/include/linux/sched.h
index af5cc4768026..db4daa3aa894 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2648,7 +2648,7 @@ static inline int copy_thread_tls(
}
#endif
extern void flush_thread(void);
-extern void exit_thread(void);
+extern void exit_thread(struct task_struct *);
extern void exit_files(struct task_struct *);
extern void __cleanup_sighand(struct sighand_struct *);
diff --git a/kernel/exit.c b/kernel/exit.c
index fd90195667e1..75b34fe835b2 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -746,7 +746,7 @@ void do_exit(long code)
disassociate_ctty(1);
exit_task_namespaces(tsk);
exit_task_work(tsk);
- exit_thread();
+ exit_thread(tsk);
/*
* Flush inherited counters to the parent - before the parent
--
2.7.4
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