[XTENSA] Fix fadvise64_64
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>
diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c
index fe3834b..f3e16ef 100644
--- a/arch/xtensa/kernel/syscall.c
+++ b/arch/xtensa/kernel/syscall.c
@@ -93,3 +93,8 @@
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);
+}
+
diff --git a/include/asm-xtensa/syscall.h b/include/asm-xtensa/syscall.h
index ea9b513..05cebf8 100644
--- a/include/asm-xtensa/syscall.h
+++ b/include/asm-xtensa/syscall.h
@@ -28,6 +28,8 @@
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;
diff --git a/include/asm-xtensa/unistd.h b/include/asm-xtensa/unistd.h
index bed0410..92968aa 100644
--- a/include/asm-xtensa/unistd.h
+++ b/include/asm-xtensa/unistd.h
@@ -151,7 +151,7 @@
#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
