Commit 97bfda45 authored by Helge Deller's avatar Helge Deller
Browse files

parisc: Avoid compat syscalls when COMPAT=n 



Drop unnecessary code and syscall tables when we run a 64-bit
kernel with conpat mode disabled.

Signed-off-by: default avatarHelge Deller <deller@gmx.de>
parent da3680f5

arch/parisc/kernel/syscall.S

+7 −4
Original line number Diff line number Diff line
@@ -241,7 +241,7 @@ linux_gateway_entry: 
	/* Note!  We cannot use the syscall table that is mapped

	nearby since the gateway page is mapped execute-only. */



#ifdef CONFIG_64BIT

#ifdef CONFIG_COMPAT

	ldil	L%sys_call_table, %r1

	or,ev	%r2,%r2,%r2

	ldil	L%sys_call_table64, %r1
@@ -374,7 +374,7 @@ tracesys_next: 
	/* Note!  We cannot use the syscall table that is mapped

	nearby since the gateway page is mapped execute-only. */



#ifdef CONFIG_64BIT

#ifdef CONFIG_COMPAT

	LDREG	TASK_PT_GR30(%r1), %r19		/* get users sp back */

	extrd,u	%r19,63,1,%r2			/* W hidden in bottom bit */
@@ -1326,16 +1326,19 @@ ENTRY(lws_table) 
END(lws_table)

	/* End of lws table */



#ifdef CONFIG_64BIT

#ifdef CONFIG_COMPAT

#define __SYSCALL_WITH_COMPAT(nr, native, compat)	__SYSCALL(nr, compat)

#else

#define __SYSCALL_WITH_COMPAT(nr, native, compat)	__SYSCALL(nr, native)

#endif

#define __SYSCALL(nr, entry)	ASM_ULONG_INSN entry



	.align 8

ENTRY(sys_call_table)

	.export sys_call_table,data

#if defined(CONFIG_COMPAT) || !defined(CONFIG_64BIT)

#include <asm/syscall_table_32.h>    /* 32-bit syscalls */

#endif

END(sys_call_table)



#ifdef CONFIG_64BIT