diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/Kconfig | 1 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/linkage.h | 13 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/systbl.h | 10 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/unistd.h | 6 | ||||
| -rw-r--r-- | arch/powerpc/include/uapi/asm/linkage.h | 6 | ||||
| -rw-r--r-- | arch/powerpc/kernel/sys_ppc32.c | 109 |
6 files changed, 18 insertions, 127 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index ea5bb04..a0259ed 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -114,7 +114,6 @@ config PPC select USE_GENERIC_SMP_HELPERS if SMP select HAVE_OPROFILE select HAVE_DEBUG_KMEMLEAK - select HAVE_SYSCALL_WRAPPERS if PPC64 select GENERIC_ATOMIC64 if PPC32 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select HAVE_PERF_EVENTS diff --git a/arch/powerpc/include/asm/linkage.h b/arch/powerpc/include/asm/linkage.h new file mode 100644 index 0000000..b36f650 --- /dev/null +++ b/arch/powerpc/include/asm/linkage.h @@ -0,0 +1,13 @@ +#ifndef _ASM_POWERPC_LINKAGE_H +#define _ASM_POWERPC_LINKAGE_H + +#ifdef CONFIG_PPC64 +#define cond_syscall(x) \ + asm ("\t.weak " #x "\n\t.set " #x ", sys_ni_syscall\n" \ + "\t.weak ." #x "\n\t.set ." #x ", .sys_ni_syscall\n") +#define SYSCALL_ALIAS(alias, name) \ + asm ("\t.globl " #alias "\n\t.set " #alias ", " #name "\n" \ + "\t.globl ." #alias "\n\t.set ." #alias ", ." #name) +#endif + +#endif /* _ASM_POWERPC_LINKAGE_H */ diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index ebbec52..43523fe 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -190,7 +190,7 @@ SYSCALL_SPU(getcwd) SYSCALL_SPU(capget) SYSCALL_SPU(capset) COMPAT_SYS(sigaltstack) -SYSX_SPU(sys_sendfile,compat_sys_sendfile_wrapper,sys_sendfile) +COMPAT_SYS_SPU(sendfile) SYSCALL(ni_syscall) SYSCALL(ni_syscall) PPC_SYS(vfork) @@ -230,7 +230,7 @@ COMPAT_SYS_SPU(sched_setaffinity) COMPAT_SYS_SPU(sched_getaffinity) SYSCALL(ni_syscall) SYSCALL(ni_syscall) -SYSX(sys_ni_syscall,compat_sys_sendfile64_wrapper,sys_sendfile64) +SYS32ONLY(sendfile64) COMPAT_SYS_SPU(io_setup) SYSCALL_SPU(io_destroy) COMPAT_SYS_SPU(io_getevents) @@ -239,7 +239,7 @@ SYSCALL_SPU(io_cancel) SYSCALL(set_tid_address) SYSX_SPU(sys_fadvise64,ppc32_fadvise64,sys_fadvise64) SYSCALL(exit_group) -SYSX(sys_lookup_dcookie,ppc32_lookup_dcookie,sys_lookup_dcookie) +COMPAT_SYS(lookup_dcookie) SYSCALL_SPU(epoll_create) SYSCALL_SPU(epoll_ctl) SYSCALL_SPU(epoll_wait) @@ -273,8 +273,8 @@ COMPAT_SYS(mq_timedreceive) COMPAT_SYS(mq_notify) COMPAT_SYS(mq_getsetattr) COMPAT_SYS(kexec_load) -COMPAT_SYS(add_key) -COMPAT_SYS(request_key) +SYSCALL(add_key) +SYSCALL(request_key) COMPAT_SYS(keyctl) COMPAT_SYS(waitid) SYSCALL(ioprio_set) diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index 1487f0f..3ca819f 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -56,11 +56,5 @@ #define __ARCH_WANT_SYS_VFORK #define __ARCH_WANT_SYS_CLONE -/* - * "Conditional" syscalls - */ -#define cond_syscall(x) \ - asmlinkage long x (void) __attribute__((weak,alias("sys_ni_syscall"))) - #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_UNISTD_H_ */ diff --git a/arch/powerpc/include/uapi/asm/linkage.h b/arch/powerpc/include/uapi/asm/linkage.h deleted file mode 100644 index e1c4ac1..0000000 --- a/arch/powerpc/include/uapi/asm/linkage.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_POWERPC_LINKAGE_H -#define _ASM_POWERPC_LINKAGE_H - -/* Nothing to see here... */ - -#endif /* _ASM_POWERPC_LINKAGE_H */ diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c index d0bafc0..cd6e19d 100644 --- a/arch/powerpc/kernel/sys_ppc32.c +++ b/arch/powerpc/kernel/sys_ppc32.c @@ -61,91 +61,6 @@ asmlinkage long ppc32_select(u32 n, compat_ulong_t __user *inp, return compat_sys_select((int)n, inp, outp, exp, compat_ptr(tvp_x)); } -#ifdef CONFIG_SYSVIPC -long compat_sys_ipc(u32 call, u32 first, u32 second, u32 third, compat_uptr_t ptr, - u32 fifth) -{ - int version; - - version = call >> 16; /* hack for backward compatibility */ - call &= 0xffff; - - switch (call) { - - case SEMTIMEDOP: - if (fifth) - /* sign extend semid */ - return compat_sys_semtimedop((int)first, - compat_ptr(ptr), second, - compat_ptr(fifth)); - /* else fall through for normal semop() */ - case SEMOP: - /* struct sembuf is the same on 32 and 64bit :)) */ - /* sign extend semid */ - return sys_semtimedop((int)first, compat_ptr(ptr), second, - NULL); - case SEMGET: - /* sign extend key, nsems */ - return sys_semget((int)first, (int)second, third); - case SEMCTL: - /* sign extend semid, semnum */ - return compat_sys_semctl((int)first, (int)second, third, - compat_ptr(ptr)); - - case MSGSND: - /* sign extend msqid */ - return compat_sys_msgsnd((int)first, (int)second, third, - compat_ptr(ptr)); - case MSGRCV: - /* sign extend msqid, msgtyp */ - return compat_sys_msgrcv((int)first, second, (int)fifth, - third, version, compat_ptr(ptr)); - case MSGGET: - /* sign extend key */ - return sys_msgget((int)first, second); - case MSGCTL: - /* sign extend msqid */ - return compat_sys_msgctl((int)first, second, compat_ptr(ptr)); - - case SHMAT: - /* sign extend shmid */ - return compat_sys_shmat((int)first, second, third, version, - compat_ptr(ptr)); - case SHMDT: - return sys_shmdt(compat_ptr(ptr)); - case SHMGET: - /* sign extend key_t */ - return sys_shmget((int)first, second, third); - case SHMCTL: - /* sign extend shmid */ - return compat_sys_shmctl((int)first, second, compat_ptr(ptr)); - - default: - return -ENOSYS; - } - - return -ENOSYS; -} -#endif - -/* Note: it is necessary to treat out_fd and in_fd as unsigned ints, - * with the corresponding cast to a signed int to insure that the - * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode) - * and the register representation of a signed int (msr in 64-bit mode) is performed. - */ -asmlinkage long compat_sys_sendfile_wrapper(u32 out_fd, u32 in_fd, - compat_off_t __user *offset, u32 count) -{ - return compat_sys_sendfile((int)out_fd, (int)in_fd, offset, count); -} - -asmlinkage long compat_sys_sendfile64_wrapper(u32 out_fd, u32 in_fd, - compat_loff_t __user *offset, u32 count) -{ - return sys_sendfile((int)out_fd, (int)in_fd, - (off_t __user *)offset, count); -} - unsigned long compat_sys_mmap2(unsigned long addr, size_t len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff) @@ -195,13 +110,6 @@ asmlinkage int compat_sys_ftruncate64(unsigned int fd, u32 reg4, unsigned long h return sys_ftruncate(fd, (high << 32) | low); } -long ppc32_lookup_dcookie(u32 cookie_high, u32 cookie_low, char __user *buf, - size_t len) -{ - return sys_lookup_dcookie((u64)cookie_high << 32 | cookie_low, - buf, len); -} - long ppc32_fadvise64(int fd, u32 unused, u32 offset_high, u32 offset_low, size_t len, int advice) { @@ -209,23 +117,6 @@ long ppc32_fadvise64(int fd, u32 unused, u32 offset_high, u32 offset_low, advice); } -asmlinkage long compat_sys_add_key(const char __user *_type, - const char __user *_description, - const void __user *_payload, - u32 plen, - u32 ringid) -{ - return sys_add_key(_type, _description, _payload, plen, ringid); -} - -asmlinkage long compat_sys_request_key(const char __user *_type, - const char __user *_description, - const char __user *_callout_info, - u32 destringid) -{ - return sys_request_key(_type, _description, _callout_info, destringid); -} - asmlinkage long compat_sys_sync_file_range2(int fd, unsigned int flags, unsigned offset_hi, unsigned offset_lo, unsigned nbytes_hi, unsigned nbytes_lo) |
