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[XTENSA] Fix fadvise64_64

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Xtensa passes long long arguments in a even/odd register pair,
so we also need to shuffle the arguments when passed through the
system call to avoid an empty argument register.

Signed-off-by: Chris Zankel <chris@zankel.net>
This commit is contained in:
Chris Zankel 2007-08-05 10:22:58 -07:00
parent 068732d9b4
commit bc671aa983
3 changed files with 8 additions and 1 deletions
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5
arch/xtensa/kernel/syscall.c
View File

@ -93,3 +93,8 @@ asmlinkage long xtensa_shmat(int shmid, char __user *shmaddr, int shmflg)
return (long)ret;
}
asmlinkage long xtensa_fadvise64_64(int fd, int advice, unsigned long long offset, unsigned long long len)
{
return sys_fadvise64_64(fd, offset, len, advice);
}

2
include/asm-xtensa/syscall.h
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@ -28,6 +28,8 @@ asmlinkage long sys_rt_sigaction(int,
struct sigaction __user *,
size_t);
asmlinkage long xtensa_shmat(int, char __user *, int);
asmlinkage long xtensa_fadvise64_64(int, int,
unsigned long long, unsigned long long);
/* Should probably move to linux/syscalls.h */
struct pollfd;

2
include/asm-xtensa/unistd.h
View File

@ -151,7 +151,7 @@ __SYSCALL( 61, sys_fcntl64, 3)
#define __NR_available62 62
__SYSCALL( 62, sys_ni_syscall, 0)
#define __NR_fadvise64_64 63
__SYSCALL( 63, sys_fadvise64_64, 6)
__SYSCALL( 63, xtensa_fadvise64_64, 6)
#define __NR_utime 64 /* glibc 2.3.3 ?? */
__SYSCALL( 64, sys_utime, 2)
#define __NR_utimes 65