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Commit e80d6661 authored by Al Viro's avatar Al Viro
Browse files

flagday: kill pt_regs argument of do_fork() 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 18c26c27

arch/blackfin/kernel/process.c

+1 −1
Original line number Diff line number Diff line
@@ -135,7 +135,7 @@ asmlinkage int bfin_clone(unsigned long clone_flags, unsigned long newsp) 
#endif

	if (newsp)

		newsp -= 12;

	return do_fork(clone_flags, newsp, regs, 0, NULL, NULL);

	return do_fork(clone_flags, newsp, 0, NULL, NULL);

}



int

arch/ia64/kernel/entry.S

+6 −8
Original line number Diff line number Diff line
@@ -116,13 +116,12 @@ GLOBAL_ENTRY(sys_clone2) 
	mov loc1=r16				// save ar.pfs across do_fork

	.body

	mov out1=in1

	mov out3=in2

	mov out2=in2

	tbit.nz p6,p0=in0,CLONE_SETTLS_BIT

	mov out4=in3	// parent_tidptr: valid only w/CLONE_PARENT_SETTID

	mov out3=in3	// parent_tidptr: valid only w/CLONE_PARENT_SETTID

	;;

(p6)	st8 [r2]=in5				// store TLS in r16 for copy_thread()

	mov out5=in4	// child_tidptr:  valid only w/CLONE_CHILD_SETTID or CLONE_CHILD_CLEARTID

	adds out2=IA64_SWITCH_STACK_SIZE+16,sp	// out2 = &regs

	mov out4=in4	// child_tidptr:  valid only w/CLONE_CHILD_SETTID or CLONE_CHILD_CLEARTID

	mov out0=in0				// out0 = clone_flags

	br.call.sptk.many rp=do_fork

.ret1:	.restore sp
@@ -148,13 +147,12 @@ GLOBAL_ENTRY(sys_clone) 
	mov loc1=r16				// save ar.pfs across do_fork

	.body

	mov out1=in1

	mov out3=16				// stacksize (compensates for 16-byte scratch area)

	mov out2=16				// stacksize (compensates for 16-byte scratch area)

	tbit.nz p6,p0=in0,CLONE_SETTLS_BIT

	mov out4=in2	// parent_tidptr: valid only w/CLONE_PARENT_SETTID

	mov out3=in2	// parent_tidptr: valid only w/CLONE_PARENT_SETTID

	;;

(p6)	st8 [r2]=in4				// store TLS in r13 (tp)

	mov out5=in3	// child_tidptr:  valid only w/CLONE_CHILD_SETTID or CLONE_CHILD_CLEARTID

	adds out2=IA64_SWITCH_STACK_SIZE+16,sp	// out2 = &regs

	mov out4=in3	// child_tidptr:  valid only w/CLONE_CHILD_SETTID or CLONE_CHILD_CLEARTID

	mov out0=in0				// out0 = clone_flags

	br.call.sptk.many rp=do_fork

.ret2:	.restore sp

arch/m68k/kernel/process.c

+1 −1
Original line number Diff line number Diff line
@@ -149,7 +149,7 @@ void flush_thread(void) 
asmlinkage int m68k_clone(struct pt_regs *regs)

{

	/* regs will be equal to current_pt_regs() */

	return do_fork(regs->d1, regs->d2, regs, 0,

	return do_fork(regs->d1, regs->d2, 0,

		       (int __user *)regs->d3, (int __user *)regs->d4);

}

arch/mips/kernel/linux32.c

+1 −1
Original line number Diff line number Diff line
@@ -312,7 +312,7 @@ _sys32_clone(nabi_no_regargs struct pt_regs regs) 
	/* Use __dummy4 instead of getting it off the stack, so that

	   syscall() works.  */

	child_tidptr = (int __user *) __dummy4;

	return do_fork(clone_flags, newsp, &regs, 0,

	return do_fork(clone_flags, newsp, 0,

	               parent_tidptr, child_tidptr);

}

arch/mips/kernel/syscall.c

+2 −2
Original line number Diff line number Diff line
@@ -92,7 +92,7 @@ save_static_function(sys_fork); 
static int __used noinline

_sys_fork(nabi_no_regargs struct pt_regs regs)

{

	return do_fork(SIGCHLD, regs.regs[29], &regs, 0, NULL, NULL);

	return do_fork(SIGCHLD, regs.regs[29], 0, NULL, NULL);

}



save_static_function(sys_clone);
@@ -123,7 +123,7 @@ _sys_clone(nabi_no_regargs struct pt_regs regs) 
#else

	child_tidptr = (int __user *) regs.regs[8];

#endif

	return do_fork(clone_flags, newsp, &regs, 0,

	return do_fork(clone_flags, newsp, 0,

	               parent_tidptr, child_tidptr);

}