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mm/compat: convert to COMPAT_SYSCALL_DEFINE with changing parameter types

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In order to allow the COMPAT_SYSCALL_DEFINE macro generate code that
performs proper zero and sign extension convert all 64 bit parameters
to their corresponding 32 bit compat counterparts.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
This commit is contained in:
Heiko Carstens
2014-03-04 17:18:23 +01:00
parent ca2c405ab9
commit 2f2728f6de
3 changed files with 22 additions and 24 deletions
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10
include/linux/compat.h
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@@ -469,7 +469,7 @@ asmlinkage long compat_sys_timerfd_settime(int ufd, int flags,
asmlinkage long compat_sys_timerfd_gettime(int ufd,
struct compat_itimerspec __user *otmr);
asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page,
asmlinkage long compat_sys_move_pages(pid_t pid, compat_ulong_t nr_pages,
__u32 __user *pages,
const int __user *nodes,
int __user *status,
@@ -674,12 +674,12 @@ extern void __user *compat_alloc_user_space(unsigned long len);
asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid,
const struct compat_iovec __user *lvec,
unsigned long liovcnt, const struct compat_iovec __user *rvec,
unsigned long riovcnt, unsigned long flags);
compat_ulong_t liovcnt, const struct compat_iovec __user *rvec,
compat_ulong_t riovcnt, compat_ulong_t flags);
asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid,
const struct compat_iovec __user *lvec,
unsigned long liovcnt, const struct compat_iovec __user *rvec,
unsigned long riovcnt, unsigned long flags);
compat_ulong_t liovcnt, const struct compat_iovec __user *rvec,
compat_ulong_t riovcnt, compat_ulong_t flags);
asmlinkage long compat_sys_sendfile(int out_fd, int in_fd,
compat_off_t __user *offset, compat_size_t count);