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authorIngo Molnar <mingo@elte.hu>2011-01-07 08:14:15 -0500
committerIngo Molnar <mingo@elte.hu>2011-01-07 08:14:15 -0500
commit1c2a48cf65580a276552151eb8f78d78c55b828e (patch)
tree68ed0628a276b33cb5aa0ad4899c1afe0a33a69d /arch/tile/kernel/process.c
parent0aa002fe602939370e9476e5ec32b562000a0425 (diff)
parentcb600d2f83c854ec3d6660063e4466431999489b (diff)
Merge branch 'linus' into x86/apic-cleanups
Conflicts: arch/x86/include/asm/io_apic.h Merge reason: Resolve the conflict, update to a more recent -rc base Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/tile/kernel/process.c')
-rw-r--r--arch/tile/kernel/process.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c
index 8430f45daea6..e90eb53173b0 100644
--- a/arch/tile/kernel/process.c
+++ b/arch/tile/kernel/process.c
@@ -212,6 +212,13 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
212 childregs->sp = sp; /* override with new user stack pointer */ 212 childregs->sp = sp; /* override with new user stack pointer */
213 213
214 /* 214 /*
215 * If CLONE_SETTLS is set, set "tp" in the new task to "r4",
216 * which is passed in as arg #5 to sys_clone().
217 */
218 if (clone_flags & CLONE_SETTLS)
219 childregs->tp = regs->regs[4];
220
221 /*
215 * Copy the callee-saved registers from the passed pt_regs struct 222 * Copy the callee-saved registers from the passed pt_regs struct
216 * into the context-switch callee-saved registers area. 223 * into the context-switch callee-saved registers area.
217 * This way when we start the interrupt-return sequence, the 224 * This way when we start the interrupt-return sequence, the
@@ -539,6 +546,7 @@ struct task_struct *__sched _switch_to(struct task_struct *prev,
539 return __switch_to(prev, next, next_current_ksp0(next)); 546 return __switch_to(prev, next, next_current_ksp0(next));
540} 547}
541 548
549/* Note there is an implicit fifth argument if (clone_flags & CLONE_SETTLS). */
542SYSCALL_DEFINE5(clone, unsigned long, clone_flags, unsigned long, newsp, 550SYSCALL_DEFINE5(clone, unsigned long, clone_flags, unsigned long, newsp,
543 void __user *, parent_tidptr, void __user *, child_tidptr, 551 void __user *, parent_tidptr, void __user *, child_tidptr,
544 struct pt_regs *, regs) 552 struct pt_regs *, regs)