_syscall0 exists or obsolete in 2.6

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Hello all,

I am trying to add syscall in include/asm/unistd.h:

static inline _syscall0(int,my_sys_call);

But I am getting following errors :

  AS      arch/arm/kernel/entry-common.o
include/asm/unistd.h: Assembler messages:
include/asm/unistd.h:622: Error: bad instruction `static inline int
my_sys_call(void){register long __res_r0 __asm__("r0")'
include/asm/unistd.h:622: Error: bad instruction `long __res'
include/asm/unistd.h:622: Error: bad instruction `__asm__
__volatile__("swi\t""(0x900000+322)""":"=r"(__res_r0)::"memory")'
include/asm/unistd.h:622: Error: bad instruction `do {if((unsigned
long)(__res)>=(unsigned long)(-129)){errno=-(__res)'
include/asm/unistd.h:622: Error: junk at end of line, first
unrecognized character is `}'
include/asm/unistd.h:622: Error: junk at end of line, first
unrecognized character is `}'
include/asm/unistd.h:622: Error: junk at end of line, first
unrecognized character is `}'
make[1]: *** [arch/arm/kernel/entry-common.o] Error 1
make: *** [arch/arm/kernel] Error 2


This was working in older versions.

I am curious _syscall0 still exists or obsolete in 2.6 linux.

And I have noticed even if I commented _syscall0 macro, I do not get
any errors so no body is using it , then why _syscall0 is in kernel
header files and what is the substitute of _syscall0.

Thanks for help,

Jaswinder Singh.
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