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microblaze: switch to generic fork/vfork/clone

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Al Viro 2012-10-27 00:03:41 -04:00
parent f01aceac61
commit f3268edbe6
7 changed files with 12 additions and 56 deletions
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8
arch/microblaze/kernel/process.c
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@ -13,6 +13,7 @@
#include <linux/pm.h>
#include <linux/tick.h>
#include <linux/bitops.h>
#include <linux/ptrace.h>
#include <asm/pgalloc.h>
#include <asm/uaccess.h> /* for USER_DS macros */
#include <asm/cacheflush.h>
@ -120,7 +121,7 @@ void flush_thread(void)
int copy_thread(unsigned long clone_flags, unsigned long usp,
unsigned long arg,
struct task_struct *p, struct pt_regs *regs)
struct task_struct *p, struct pt_regs *unused)
{
struct pt_regs *childregs = task_pt_regs(p);
struct thread_info *ti = task_thread_info(p);
@ -141,8 +142,9 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
ti->cpu_context.r15 = (unsigned long)ret_from_kernel_thread - 8;
return 0;
}
*childregs = *regs;
childregs->r1 = usp;
*childregs = *current_pt_regs();
if (usp)
childregs->r1 = usp;
memset(&ti->cpu_context, 0, sizeof(struct cpu_context));
ti->cpu_context.r1 = (unsigned long)childregs;