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Commit 91f433ca authored by Linus Torvalds's avatar Linus Torvalds
Browse files
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] Cleanup memory barriers for weakly ordered systems.
  [MIPS] Alchemy: Automatically enable CONFIG_RESOURCES_64BIT for PCI configs.
  [MIPS] Unify csum_partial.S
  [MIPS] SWARM: Fix a typo in #error directives
  [MIPS] Fix atomic.h build errors.
  [MIPS] Use SYSVIPC_COMPAT to fix various problems on N32
  [MIPS] klconfig add missing bracket
parents 15a4cb9c 0004a9df
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+18 −0
Original line number Original line Diff line number Diff line
@@ -16,6 +16,7 @@ config MIPS_MTX1
	bool "4G Systems MTX-1 board"
	bool "4G Systems MTX-1 board"
	select DMA_NONCOHERENT
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select HW_HAS_PCI
	select RESOURCES_64BIT if PCI
	select SOC_AU1500
	select SOC_AU1500
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
@@ -32,6 +33,7 @@ config MIPS_PB1000
	select SOC_AU1000
	select SOC_AU1000
	select DMA_NONCOHERENT
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select HW_HAS_PCI
	select RESOURCES_64BIT if PCI
	select SWAP_IO_SPACE
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
@@ -41,6 +43,7 @@ config MIPS_PB1100
	select SOC_AU1100
	select SOC_AU1100
	select DMA_NONCOHERENT
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select HW_HAS_PCI
	select RESOURCES_64BIT if PCI
	select SWAP_IO_SPACE
	select SWAP_IO_SPACE
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
@@ -50,6 +53,7 @@ config MIPS_PB1500
	select SOC_AU1500
	select SOC_AU1500
	select DMA_NONCOHERENT
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select HW_HAS_PCI
	select RESOURCES_64BIT if PCI
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN


@@ -59,6 +63,7 @@ config MIPS_PB1550
	select DMA_NONCOHERENT
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select HW_HAS_PCI
	select MIPS_DISABLE_OBSOLETE_IDE
	select MIPS_DISABLE_OBSOLETE_IDE
	select RESOURCES_64BIT if PCI
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN


@@ -67,6 +72,7 @@ config MIPS_PB1200
	select SOC_AU1200
	select SOC_AU1200
	select DMA_NONCOHERENT
	select DMA_NONCOHERENT
	select MIPS_DISABLE_OBSOLETE_IDE
	select MIPS_DISABLE_OBSOLETE_IDE
	select RESOURCES_64BIT if PCI
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN


@@ -75,6 +81,7 @@ config MIPS_DB1000
	select SOC_AU1000
	select SOC_AU1000
	select DMA_NONCOHERENT
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select HW_HAS_PCI
	select RESOURCES_64BIT if PCI
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN


@@ -91,6 +98,7 @@ config MIPS_DB1500
	select DMA_NONCOHERENT
	select DMA_NONCOHERENT
	select HW_HAS_PCI
	select HW_HAS_PCI
	select MIPS_DISABLE_OBSOLETE_IDE
	select MIPS_DISABLE_OBSOLETE_IDE
	select RESOURCES_64BIT if PCI
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_BIG_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN
@@ -101,6 +109,7 @@ config MIPS_DB1550
	select HW_HAS_PCI
	select HW_HAS_PCI
	select DMA_NONCOHERENT
	select DMA_NONCOHERENT
	select MIPS_DISABLE_OBSOLETE_IDE
	select MIPS_DISABLE_OBSOLETE_IDE
	select RESOURCES_64BIT if PCI
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_HAS_CPU_MIPS32_R1
	select SYS_SUPPORTS_LITTLE_ENDIAN
	select SYS_SUPPORTS_LITTLE_ENDIAN


@@ -1268,6 +1277,7 @@ config CPU_RM9000
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_HIGHMEM
	select WEAK_ORDERING


config CPU_SB1
config CPU_SB1
	bool "SB1"
	bool "SB1"
@@ -1276,6 +1286,7 @@ config CPU_SB1
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_32BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_64BIT_KERNEL
	select CPU_SUPPORTS_HIGHMEM
	select CPU_SUPPORTS_HIGHMEM
	select WEAK_ORDERING


endchoice
endchoice


@@ -1336,6 +1347,8 @@ config SYS_HAS_CPU_RM9000
config SYS_HAS_CPU_SB1
config SYS_HAS_CPU_SB1
	bool
	bool


config WEAK_ORDERING
	bool
endmenu
endmenu


#
#
@@ -1940,6 +1953,11 @@ config COMPAT
	depends on MIPS32_COMPAT
	depends on MIPS32_COMPAT
	default y
	default y


config SYSVIPC_COMPAT
	bool
	depends on COMPAT && SYSVIPC
	default y

config MIPS32_O32
config MIPS32_O32
	bool "Kernel support for o32 binaries"
	bool "Kernel support for o32 binaries"
	depends on MIPS32_COMPAT
	depends on MIPS32_COMPAT
+23 −555
Original line number Original line Diff line number Diff line
@@ -382,531 +382,6 @@ asmlinkage int sys32_sched_rr_get_interval(compat_pid_t pid,
	return ret;
	return ret;
}
}


struct msgbuf32 { s32 mtype; char mtext[1]; };

struct ipc_perm32
{
	key_t    	  key;
        __compat_uid_t  uid;
        __compat_gid_t  gid;
        __compat_uid_t  cuid;
        __compat_gid_t  cgid;
        compat_mode_t	mode;
        unsigned short  seq;
};

struct ipc64_perm32 {
	key_t key;
	__compat_uid_t uid;
	__compat_gid_t gid;
	__compat_uid_t cuid;
	__compat_gid_t cgid;
	compat_mode_t	mode;
	unsigned short	seq;
	unsigned short __pad1;
	unsigned int __unused1;
	unsigned int __unused2;
};

struct semid_ds32 {
        struct ipc_perm32 sem_perm;               /* permissions .. see ipc.h */
        compat_time_t   sem_otime;              /* last semop time */
        compat_time_t   sem_ctime;              /* last change time */
        u32 sem_base;              /* ptr to first semaphore in array */
        u32 sem_pending;          /* pending operations to be processed */
        u32 sem_pending_last;    /* last pending operation */
        u32 undo;                  /* undo requests on this array */
        unsigned short  sem_nsems;              /* no. of semaphores in array */
};

struct semid64_ds32 {
	struct ipc64_perm32	sem_perm;
	compat_time_t	sem_otime;
	compat_time_t	sem_ctime;
	unsigned int		sem_nsems;
	unsigned int		__unused1;
	unsigned int		__unused2;
};

struct msqid_ds32
{
        struct ipc_perm32 msg_perm;
        u32 msg_first;
        u32 msg_last;
        compat_time_t   msg_stime;
        compat_time_t   msg_rtime;
        compat_time_t   msg_ctime;
        u32 wwait;
        u32 rwait;
        unsigned short msg_cbytes;
        unsigned short msg_qnum;
        unsigned short msg_qbytes;
        compat_ipc_pid_t msg_lspid;
        compat_ipc_pid_t msg_lrpid;
};

struct msqid64_ds32 {
	struct ipc64_perm32 msg_perm;
	compat_time_t msg_stime;
	unsigned int __unused1;
	compat_time_t msg_rtime;
	unsigned int __unused2;
	compat_time_t msg_ctime;
	unsigned int __unused3;
	unsigned int msg_cbytes;
	unsigned int msg_qnum;
	unsigned int msg_qbytes;
	compat_pid_t msg_lspid;
	compat_pid_t msg_lrpid;
	unsigned int __unused4;
	unsigned int __unused5;
};

struct shmid_ds32 {
        struct ipc_perm32       shm_perm;
        int                     shm_segsz;
        compat_time_t		shm_atime;
        compat_time_t		shm_dtime;
        compat_time_t		shm_ctime;
        compat_ipc_pid_t    shm_cpid;
        compat_ipc_pid_t    shm_lpid;
        unsigned short          shm_nattch;
};

struct shmid64_ds32 {
	struct ipc64_perm32	shm_perm;
	compat_size_t		shm_segsz;
	compat_time_t		shm_atime;
	compat_time_t		shm_dtime;
	compat_time_t shm_ctime;
	compat_pid_t shm_cpid;
	compat_pid_t shm_lpid;
	unsigned int shm_nattch;
	unsigned int __unused1;
	unsigned int __unused2;
};

struct ipc_kludge32 {
	u32 msgp;
	s32 msgtyp;
};

static int
do_sys32_semctl(int first, int second, int third, void __user *uptr)
{
	union semun fourth;
	u32 pad;
	int err, err2;
	struct semid64_ds s;
	mm_segment_t old_fs;

	if (!uptr)
		return -EINVAL;
	err = -EFAULT;
	if (get_user (pad, (u32 __user *)uptr))
		return err;
	if ((third & ~IPC_64) == SETVAL)
		fourth.val = (int)pad;
	else
		fourth.__pad = (void __user *)A(pad);
	switch (third & ~IPC_64) {
	case IPC_INFO:
	case IPC_RMID:
	case IPC_SET:
	case SEM_INFO:
	case GETVAL:
	case GETPID:
	case GETNCNT:
	case GETZCNT:
	case GETALL:
	case SETVAL:
	case SETALL:
		err = sys_semctl (first, second, third, fourth);
		break;

	case IPC_STAT:
	case SEM_STAT:
		fourth.__pad = (struct semid64_ds __user *)&s;
		old_fs = get_fs();
		set_fs(KERNEL_DS);
		err = sys_semctl(first, second, third | IPC_64, fourth);
		set_fs(old_fs);

		if (third & IPC_64) {
			struct semid64_ds32 __user *usp64 = (struct semid64_ds32 __user *) A(pad);

			if (!access_ok(VERIFY_WRITE, usp64, sizeof(*usp64))) {
				err = -EFAULT;
				break;
			}
			err2 = __put_user(s.sem_perm.key, &usp64->sem_perm.key);
			err2 |= __put_user(s.sem_perm.uid, &usp64->sem_perm.uid);
			err2 |= __put_user(s.sem_perm.gid, &usp64->sem_perm.gid);
			err2 |= __put_user(s.sem_perm.cuid, &usp64->sem_perm.cuid);
			err2 |= __put_user(s.sem_perm.cgid, &usp64->sem_perm.cgid);
			err2 |= __put_user(s.sem_perm.mode, &usp64->sem_perm.mode);
			err2 |= __put_user(s.sem_perm.seq, &usp64->sem_perm.seq);
			err2 |= __put_user(s.sem_otime, &usp64->sem_otime);
			err2 |= __put_user(s.sem_ctime, &usp64->sem_ctime);
			err2 |= __put_user(s.sem_nsems, &usp64->sem_nsems);
		} else {
			struct semid_ds32 __user *usp32 = (struct semid_ds32 __user *) A(pad);

			if (!access_ok(VERIFY_WRITE, usp32, sizeof(*usp32))) {
				err = -EFAULT;
				break;
			}
			err2 = __put_user(s.sem_perm.key, &usp32->sem_perm.key);
			err2 |= __put_user(s.sem_perm.uid, &usp32->sem_perm.uid);
			err2 |= __put_user(s.sem_perm.gid, &usp32->sem_perm.gid);
			err2 |= __put_user(s.sem_perm.cuid, &usp32->sem_perm.cuid);
			err2 |= __put_user(s.sem_perm.cgid, &usp32->sem_perm.cgid);
			err2 |= __put_user(s.sem_perm.mode, &usp32->sem_perm.mode);
			err2 |= __put_user(s.sem_perm.seq, &usp32->sem_perm.seq);
			err2 |= __put_user(s.sem_otime, &usp32->sem_otime);
			err2 |= __put_user(s.sem_ctime, &usp32->sem_ctime);
			err2 |= __put_user(s.sem_nsems, &usp32->sem_nsems);
		}
		if (err2)
			err = -EFAULT;
		break;

	default:
		err = - EINVAL;
		break;
	}

	return err;
}

static int
do_sys32_msgsnd (int first, int second, int third, void __user *uptr)
{
	struct msgbuf32 __user *up = (struct msgbuf32 __user *)uptr;
	struct msgbuf *p;
	mm_segment_t old_fs;
	int err;

	if (second < 0)
		return -EINVAL;
	p = kmalloc (second + sizeof (struct msgbuf)
				    + 4, GFP_USER);
	if (!p)
		return -ENOMEM;
	err = get_user (p->mtype, &up->mtype);
	if (err)
		goto out;
	err |= __copy_from_user (p->mtext, &up->mtext, second);
	if (err)
		goto out;
	old_fs = get_fs ();
	set_fs (KERNEL_DS);
	err = sys_msgsnd (first, (struct msgbuf __user *)p, second, third);
	set_fs (old_fs);
out:
	kfree (p);

	return err;
}

static int
do_sys32_msgrcv (int first, int second, int msgtyp, int third,
		 int version, void __user *uptr)
{
	struct msgbuf32 __user *up;
	struct msgbuf *p;
	mm_segment_t old_fs;
	int err;

	if (!version) {
		struct ipc_kludge32 __user *uipck = (struct ipc_kludge32 __user *)uptr;
		struct ipc_kludge32 ipck;

		err = -EINVAL;
		if (!uptr)
			goto out;
		err = -EFAULT;
		if (copy_from_user (&ipck, uipck, sizeof (struct ipc_kludge32)))
			goto out;
		uptr = (void __user *)AA(ipck.msgp);
		msgtyp = ipck.msgtyp;
	}

	if (second < 0)
		return -EINVAL;
	err = -ENOMEM;
	p = kmalloc (second + sizeof (struct msgbuf) + 4, GFP_USER);
	if (!p)
		goto out;
	old_fs = get_fs ();
	set_fs (KERNEL_DS);
	err = sys_msgrcv (first, (struct msgbuf __user *)p, second + 4, msgtyp, third);
	set_fs (old_fs);
	if (err < 0)
		goto free_then_out;
	up = (struct msgbuf32 __user *)uptr;
	if (put_user (p->mtype, &up->mtype) ||
	    __copy_to_user (&up->mtext, p->mtext, err))
		err = -EFAULT;
free_then_out:
	kfree (p);
out:
	return err;
}

static int
do_sys32_msgctl (int first, int second, void __user *uptr)
{
	int err = -EINVAL, err2;
	struct msqid64_ds m;
	struct msqid_ds32 __user *up32 = (struct msqid_ds32 __user *)uptr;
	struct msqid64_ds32 __user *up64 = (struct msqid64_ds32 __user *)uptr;
	mm_segment_t old_fs;

	switch (second & ~IPC_64) {
	case IPC_INFO:
	case IPC_RMID:
	case MSG_INFO:
		err = sys_msgctl (first, second, (struct msqid_ds __user *)uptr);
		break;

	case IPC_SET:
		if (second & IPC_64) {
			if (!access_ok(VERIFY_READ, up64, sizeof(*up64))) {
				err = -EFAULT;
				break;
			}
			err = __get_user(m.msg_perm.uid, &up64->msg_perm.uid);
			err |= __get_user(m.msg_perm.gid, &up64->msg_perm.gid);
			err |= __get_user(m.msg_perm.mode, &up64->msg_perm.mode);
			err |= __get_user(m.msg_qbytes, &up64->msg_qbytes);
		} else {
			if (!access_ok(VERIFY_READ, up32, sizeof(*up32))) {
				err = -EFAULT;
				break;
			}
			err = __get_user(m.msg_perm.uid, &up32->msg_perm.uid);
			err |= __get_user(m.msg_perm.gid, &up32->msg_perm.gid);
			err |= __get_user(m.msg_perm.mode, &up32->msg_perm.mode);
			err |= __get_user(m.msg_qbytes, &up32->msg_qbytes);
		}
		if (err)
			break;
		old_fs = get_fs();
		set_fs(KERNEL_DS);
		err = sys_msgctl(first, second | IPC_64, (struct msqid_ds __user *)&m);
		set_fs(old_fs);
		break;

	case IPC_STAT:
	case MSG_STAT:
		old_fs = get_fs();
		set_fs(KERNEL_DS);
		err = sys_msgctl(first, second | IPC_64, (struct msqid_ds __user *)&m);
		set_fs(old_fs);
		if (second & IPC_64) {
			if (!access_ok(VERIFY_WRITE, up64, sizeof(*up64))) {
				err = -EFAULT;
				break;
			}
			err2 = __put_user(m.msg_perm.key, &up64->msg_perm.key);
			err2 |= __put_user(m.msg_perm.uid, &up64->msg_perm.uid);
			err2 |= __put_user(m.msg_perm.gid, &up64->msg_perm.gid);
			err2 |= __put_user(m.msg_perm.cuid, &up64->msg_perm.cuid);
			err2 |= __put_user(m.msg_perm.cgid, &up64->msg_perm.cgid);
			err2 |= __put_user(m.msg_perm.mode, &up64->msg_perm.mode);
			err2 |= __put_user(m.msg_perm.seq, &up64->msg_perm.seq);
			err2 |= __put_user(m.msg_stime, &up64->msg_stime);
			err2 |= __put_user(m.msg_rtime, &up64->msg_rtime);
			err2 |= __put_user(m.msg_ctime, &up64->msg_ctime);
			err2 |= __put_user(m.msg_cbytes, &up64->msg_cbytes);
			err2 |= __put_user(m.msg_qnum, &up64->msg_qnum);
			err2 |= __put_user(m.msg_qbytes, &up64->msg_qbytes);
			err2 |= __put_user(m.msg_lspid, &up64->msg_lspid);
			err2 |= __put_user(m.msg_lrpid, &up64->msg_lrpid);
			if (err2)
				err = -EFAULT;
		} else {
			if (!access_ok(VERIFY_WRITE, up32, sizeof(*up32))) {
				err = -EFAULT;
				break;
			}
			err2 = __put_user(m.msg_perm.key, &up32->msg_perm.key);
			err2 |= __put_user(m.msg_perm.uid, &up32->msg_perm.uid);
			err2 |= __put_user(m.msg_perm.gid, &up32->msg_perm.gid);
			err2 |= __put_user(m.msg_perm.cuid, &up32->msg_perm.cuid);
			err2 |= __put_user(m.msg_perm.cgid, &up32->msg_perm.cgid);
			err2 |= __put_user(m.msg_perm.mode, &up32->msg_perm.mode);
			err2 |= __put_user(m.msg_perm.seq, &up32->msg_perm.seq);
			err2 |= __put_user(m.msg_stime, &up32->msg_stime);
			err2 |= __put_user(m.msg_rtime, &up32->msg_rtime);
			err2 |= __put_user(m.msg_ctime, &up32->msg_ctime);
			err2 |= __put_user(m.msg_cbytes, &up32->msg_cbytes);
			err2 |= __put_user(m.msg_qnum, &up32->msg_qnum);
			err2 |= __put_user(m.msg_qbytes, &up32->msg_qbytes);
			err2 |= __put_user(m.msg_lspid, &up32->msg_lspid);
			err2 |= __put_user(m.msg_lrpid, &up32->msg_lrpid);
			if (err2)
				err = -EFAULT;
		}
		break;
	}

	return err;
}

static int
do_sys32_shmat (int first, int second, int third, int version, void __user *uptr)
{
	unsigned long raddr;
	u32 __user *uaddr = (u32 __user *)A((u32)third);
	int err = -EINVAL;

	if (version == 1)
		return err;
	err = do_shmat (first, uptr, second, &raddr);
	if (err)
		return err;
	err = put_user (raddr, uaddr);
	return err;
}

struct shm_info32 {
	int used_ids;
	u32 shm_tot, shm_rss, shm_swp;
	u32 swap_attempts, swap_successes;
};

static int
do_sys32_shmctl (int first, int second, void __user *uptr)
{
	struct shmid64_ds32 __user *up64 = (struct shmid64_ds32 __user *)uptr;
	struct shmid_ds32 __user *up32 = (struct shmid_ds32 __user *)uptr;
	struct shm_info32 __user *uip = (struct shm_info32 __user *)uptr;
	int err = -EFAULT, err2;
	struct shmid64_ds s64;
	mm_segment_t old_fs;
	struct shm_info si;
	struct shmid_ds s;

	switch (second & ~IPC_64) {
	case IPC_INFO:
		second = IPC_INFO; /* So that we don't have to translate it */
	case IPC_RMID:
	case SHM_LOCK:
	case SHM_UNLOCK:
		err = sys_shmctl(first, second, (struct shmid_ds __user *)uptr);
		break;
	case IPC_SET:
		if (second & IPC_64) {
			err = get_user(s.shm_perm.uid, &up64->shm_perm.uid);
			err |= get_user(s.shm_perm.gid, &up64->shm_perm.gid);
			err |= get_user(s.shm_perm.mode, &up64->shm_perm.mode);
		} else {
			err = get_user(s.shm_perm.uid, &up32->shm_perm.uid);
			err |= get_user(s.shm_perm.gid, &up32->shm_perm.gid);
			err |= get_user(s.shm_perm.mode, &up32->shm_perm.mode);
		}
		if (err)
			break;
		old_fs = get_fs();
		set_fs(KERNEL_DS);
		err = sys_shmctl(first, second & ~IPC_64, (struct shmid_ds __user *)&s);
		set_fs(old_fs);
		break;

	case IPC_STAT:
	case SHM_STAT:
		old_fs = get_fs();
		set_fs(KERNEL_DS);
		err = sys_shmctl(first, second | IPC_64, (void __user *) &s64);
		set_fs(old_fs);
		if (err < 0)
			break;
		if (second & IPC_64) {
			if (!access_ok(VERIFY_WRITE, up64, sizeof(*up64))) {
				err = -EFAULT;
				break;
			}
			err2 = __put_user(s64.shm_perm.key, &up64->shm_perm.key);
			err2 |= __put_user(s64.shm_perm.uid, &up64->shm_perm.uid);
			err2 |= __put_user(s64.shm_perm.gid, &up64->shm_perm.gid);
			err2 |= __put_user(s64.shm_perm.cuid, &up64->shm_perm.cuid);
			err2 |= __put_user(s64.shm_perm.cgid, &up64->shm_perm.cgid);
			err2 |= __put_user(s64.shm_perm.mode, &up64->shm_perm.mode);
			err2 |= __put_user(s64.shm_perm.seq, &up64->shm_perm.seq);
			err2 |= __put_user(s64.shm_atime, &up64->shm_atime);
			err2 |= __put_user(s64.shm_dtime, &up64->shm_dtime);
			err2 |= __put_user(s64.shm_ctime, &up64->shm_ctime);
			err2 |= __put_user(s64.shm_segsz, &up64->shm_segsz);
			err2 |= __put_user(s64.shm_nattch, &up64->shm_nattch);
			err2 |= __put_user(s64.shm_cpid, &up64->shm_cpid);
			err2 |= __put_user(s64.shm_lpid, &up64->shm_lpid);
		} else {
			if (!access_ok(VERIFY_WRITE, up32, sizeof(*up32))) {
				err = -EFAULT;
				break;
			}
			err2 = __put_user(s64.shm_perm.key, &up32->shm_perm.key);
			err2 |= __put_user(s64.shm_perm.uid, &up32->shm_perm.uid);
			err2 |= __put_user(s64.shm_perm.gid, &up32->shm_perm.gid);
			err2 |= __put_user(s64.shm_perm.cuid, &up32->shm_perm.cuid);
			err2 |= __put_user(s64.shm_perm.cgid, &up32->shm_perm.cgid);
			err2 |= __put_user(s64.shm_perm.mode, &up32->shm_perm.mode);
			err2 |= __put_user(s64.shm_perm.seq, &up32->shm_perm.seq);
			err2 |= __put_user(s64.shm_atime, &up32->shm_atime);
			err2 |= __put_user(s64.shm_dtime, &up32->shm_dtime);
			err2 |= __put_user(s64.shm_ctime, &up32->shm_ctime);
			err2 |= __put_user(s64.shm_segsz, &up32->shm_segsz);
			err2 |= __put_user(s64.shm_nattch, &up32->shm_nattch);
			err2 |= __put_user(s64.shm_cpid, &up32->shm_cpid);
			err2 |= __put_user(s64.shm_lpid, &up32->shm_lpid);
		}
		if (err2)
			err = -EFAULT;
		break;

	case SHM_INFO:
		old_fs = get_fs();
		set_fs(KERNEL_DS);
		err = sys_shmctl(first, second, (void __user *)&si);
		set_fs(old_fs);
		if (err < 0)
			break;
		err2 = put_user(si.used_ids, &uip->used_ids);
		err2 |= __put_user(si.shm_tot, &uip->shm_tot);
		err2 |= __put_user(si.shm_rss, &uip->shm_rss);
		err2 |= __put_user(si.shm_swp, &uip->shm_swp);
		err2 |= __put_user(si.swap_attempts, &uip->swap_attempts);
		err2 |= __put_user (si.swap_successes, &uip->swap_successes);
		if (err2)
			err = -EFAULT;
		break;

	default:
		err = -EINVAL;
		break;
	}

	return err;
}

static int sys32_semtimedop(int semid, struct sembuf __user *tsems, int nsems,
                            const struct compat_timespec __user *timeout32)
{
	struct compat_timespec t32;
	struct timespec __user *t64 = compat_alloc_user_space(sizeof(*t64));

	if (copy_from_user(&t32, timeout32, sizeof(t32)))
		return -EFAULT;

	if (put_user(t32.tv_sec, &t64->tv_sec) ||
	    put_user(t32.tv_nsec, &t64->tv_nsec))
		return -EFAULT;

	return sys_semtimedop(semid, tsems, nsems, t64);
}

asmlinkage long
asmlinkage long
sys32_ipc (u32 call, int first, int second, int third, u32 ptr, u32 fifth)
sys32_ipc (u32 call, int first, int second, int third, u32 ptr, u32 fifth)
{
{
@@ -918,48 +393,43 @@ sys32_ipc (u32 call, int first, int second, int third, u32 ptr, u32 fifth)
	switch (call) {
	switch (call) {
	case SEMOP:
	case SEMOP:
		/* struct sembuf is the same on 32 and 64bit :)) */
		/* struct sembuf is the same on 32 and 64bit :)) */
		err = sys_semtimedop (first, (struct sembuf __user *)AA(ptr), second,
		err = sys_semtimedop(first, compat_ptr(ptr), second, NULL);
		                      NULL);
		break;
		break;
	case SEMTIMEDOP:
	case SEMTIMEDOP:
		err = sys32_semtimedop (first, (struct sembuf __user *)AA(ptr), second,
		err = compat_sys_semtimedop(first, compat_ptr(ptr), second,
		                      (const struct compat_timespec __user *)AA(fifth));
					    compat_ptr(fifth));
		break;
		break;
	case SEMGET:
	case SEMGET:
		err = sys_semget(first, second, third);
		err = sys_semget(first, second, third);
		break;
		break;
	case SEMCTL:
	case SEMCTL:
		err = do_sys32_semctl (first, second, third,
		err = compat_sys_semctl(first, second, third, compat_ptr(ptr));
				       (void __user *)AA(ptr));
		break;
		break;

	case MSGSND:
	case MSGSND:
		err = do_sys32_msgsnd (first, second, third,
		err = compat_sys_msgsnd(first, second, third, compat_ptr(ptr));
				       (void __user *)AA(ptr));
		break;
		break;
	case MSGRCV:
	case MSGRCV:
		err = do_sys32_msgrcv (first, second, fifth, third,
		err = compat_sys_msgrcv(first, second, fifth, third,
				       version, (void __user *)AA(ptr));
					version, compat_ptr(ptr));
		break;
		break;
	case MSGGET:
	case MSGGET:
		err = sys_msgget((key_t) first, second);
		err = sys_msgget((key_t) first, second);
		break;
		break;
	case MSGCTL:
	case MSGCTL:
		err = do_sys32_msgctl (first, second, (void __user *)AA(ptr));
		err = compat_sys_msgctl(first, second, compat_ptr(ptr));
		break;
		break;

	case SHMAT:
	case SHMAT:
		err = do_sys32_shmat (first, second, third,
		err = compat_sys_shmat(first, second, third, version,
				      version, (void __user *)AA(ptr));
				       compat_ptr(ptr));
		break;
		break;
	case SHMDT:
	case SHMDT:
		err = sys_shmdt ((char __user *)A(ptr));
		err = sys_shmdt(compat_ptr(ptr));
		break;
		break;
	case SHMGET:
	case SHMGET:
		err = sys_shmget(first, (unsigned)second, third);
		err = sys_shmget(first, (unsigned)second, third);
		break;
		break;
	case SHMCTL:
	case SHMCTL:
		err = do_sys32_shmctl (first, second, (void __user *)AA(ptr));
		err = compat_sys_shmctl(first, second, compat_ptr(ptr));
		break;
		break;
	default:
	default:
		err = -EINVAL;
		err = -EINVAL;
@@ -969,18 +439,16 @@ sys32_ipc (u32 call, int first, int second, int third, u32 ptr, u32 fifth)
	return err;
	return err;
}
}


asmlinkage long sys32_shmat(int shmid, char __user *shmaddr,
#ifdef CONFIG_MIPS32_N32
			  int shmflg, int32_t __user *addr)
asmlinkage long sysn32_semctl(int semid, int semnum, int cmd, union semun arg)
{
{
	unsigned long raddr;
	/* compat_sys_semctl expects a pointer to union semun */
	int err;
	u32 __user *uptr = compat_alloc_user_space(sizeof(u32));

	if (put_user(ptr_to_compat(arg.__pad), uptr))
	err = do_shmat(shmid, shmaddr, shmflg, &raddr);
		return -EFAULT;
	if (err)
	return compat_sys_semctl(semid, semnum, cmd, uptr);
		return err;

	return put_user(raddr, addr);
}
}
#endif


struct sysctl_args32
struct sysctl_args32
{
{
+7 −7
Original line number Original line Diff line number Diff line
@@ -149,8 +149,8 @@ EXPORT(sysn32_call_table)
	PTR	sys_mincore
	PTR	sys_mincore
	PTR	sys_madvise
	PTR	sys_madvise
	PTR	sys_shmget
	PTR	sys_shmget
	PTR	sys32_shmat
	PTR	sys_shmat
	PTR	sys_shmctl			/* 6030 */
	PTR	compat_sys_shmctl			/* 6030 */
	PTR	sys_dup
	PTR	sys_dup
	PTR	sys_dup2
	PTR	sys_dup2
	PTR	sys_pause
	PTR	sys_pause
@@ -184,12 +184,12 @@ EXPORT(sysn32_call_table)
	PTR	sys32_newuname
	PTR	sys32_newuname
	PTR	sys_semget
	PTR	sys_semget
	PTR	sys_semop
	PTR	sys_semop
	PTR	sys_semctl
	PTR	sysn32_semctl
	PTR	sys_shmdt			/* 6065 */
	PTR	sys_shmdt			/* 6065 */
	PTR	sys_msgget
	PTR	sys_msgget
	PTR	sys_msgsnd
	PTR	compat_sys_msgsnd
	PTR	sys_msgrcv
	PTR	compat_sys_msgrcv
	PTR	sys_msgctl
	PTR	compat_sys_msgctl
	PTR	compat_sys_fcntl		/* 6070 */
	PTR	compat_sys_fcntl		/* 6070 */
	PTR	sys_flock
	PTR	sys_flock
	PTR	sys_fsync
	PTR	sys_fsync
@@ -335,7 +335,7 @@ EXPORT(sysn32_call_table)
	PTR	compat_sys_fcntl64
	PTR	compat_sys_fcntl64
	PTR	sys_set_tid_address
	PTR	sys_set_tid_address
	PTR	sys_restart_syscall
	PTR	sys_restart_syscall
	PTR	sys_semtimedop			/* 6215 */
	PTR	compat_sys_semtimedop			/* 6215 */
	PTR	sys_fadvise64_64
	PTR	sys_fadvise64_64
	PTR	compat_sys_statfs64
	PTR	compat_sys_statfs64
	PTR	compat_sys_fstatfs64
	PTR	compat_sys_fstatfs64
+3 −3
Original line number Original line Diff line number Diff line
@@ -172,7 +172,7 @@ int smp_call_function (void (*func) (void *info), void *info, int retry,


	spin_lock(&smp_call_lock);
	spin_lock(&smp_call_lock);
	call_data = &data;
	call_data = &data;
	mb();
	smp_mb();


	/* Send a message to all other CPUs and wait for them to respond */
	/* Send a message to all other CPUs and wait for them to respond */
	for_each_online_cpu(i)
	for_each_online_cpu(i)
@@ -204,7 +204,7 @@ void smp_call_function_interrupt(void)
	 * Notify initiating CPU that I've grabbed the data and am
	 * Notify initiating CPU that I've grabbed the data and am
	 * about to execute the function.
	 * about to execute the function.
	 */
	 */
	mb();
	smp_mb();
	atomic_inc(&call_data->started);
	atomic_inc(&call_data->started);


	/*
	/*
@@ -215,7 +215,7 @@ void smp_call_function_interrupt(void)
	irq_exit();
	irq_exit();


	if (wait) {
	if (wait) {
		mb();
		smp_mb();
		atomic_inc(&call_data->finished);
		atomic_inc(&call_data->finished);
	}
	}
}
}
+1 −1
Original line number Original line Diff line number Diff line
@@ -2,7 +2,7 @@
# Makefile for MIPS-specific library files..
# Makefile for MIPS-specific library files..
#
#


lib-y	+= csum_partial.o memset.o watch.o
lib-y	+= memset.o watch.o


obj-$(CONFIG_CPU_MIPS32)	+= dump_tlb.o
obj-$(CONFIG_CPU_MIPS32)	+= dump_tlb.o
obj-$(CONFIG_CPU_MIPS64)	+= dump_tlb.o
obj-$(CONFIG_CPU_MIPS64)	+= dump_tlb.o
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