Merge branch 'master' into for-linus

Conflicts:
	block/Kconfig

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

5 files changed, 8 insertions, 169 deletions

diff --git a/arch/mn10300/include/asm/dma-mapping.h b/arch/mn10300/include/asm/dma-mapping.h
index ccae8f6c6326..4ed1522b38d2 100644
--- a/arch/mn10300/include/asm/dma-mapping.h
+++ b/arch/mn10300/include/asm/dma-mapping.h
@@ -17,6 +17,11 @@
 #include <asm/cache.h>
 #include <asm/io.h>
 
+/*
+ * See Documentation/DMA-API.txt for the description of how the
+ * following DMA API should work.
+ */
+
 extern void *dma_alloc_coherent(struct device *dev, size_t size,
 				dma_addr_t *dma_handle, int flag);
 
@@ -26,13 +31,6 @@ extern void dma_free_coherent(struct device *dev, size_t size,
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent((d), (s), (h), (f))
 #define dma_free_noncoherent(d, s, v, h)  dma_free_coherent((d), (s), (v), (h))
 
-/*
- * Map a single buffer of the indicated size for DMA in streaming mode.  The
- * 32-bit bus address to use is returned.
- *
- * Once the device is given the dma address, the device owns this memory until
- * either pci_unmap_single or pci_dma_sync_single is performed.
- */
 static inline
 dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
 			  enum dma_data_direction direction)
@@ -42,14 +40,6 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
 	return virt_to_bus(ptr);
 }
 
-/*
- * Unmap a single streaming mode DMA translation.  The dma_addr and size must
- * match what was provided for in a previous pci_map_single call.  All other
- * usages are undefined.
- *
- * After this call, reads by the cpu to the buffer are guarenteed to see
- * whatever the device wrote there.
- */
 static inline
 void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
 		      enum dma_data_direction direction)
@@ -57,20 +47,6 @@ void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
 	BUG_ON(direction == DMA_NONE);
 }
 
-/*
- * Map a set of buffers described by scatterlist in streaming mode for DMA.
- * This is the scather-gather version of the above pci_map_single interface.
- * Here the scatter gather list elements are each tagged with the appropriate
- * dma address and length.  They are obtained via sg_dma_{address,length}(SG).
- *
- * NOTE: An implementation may be able to use a smaller number of DMA
- *       address/length pairs than there are SG table elements.  (for example
- *       via virtual mapping capabilities) The routine returns the number of
- *       addr/length pairs actually used, at most nents.
- *
- * Device ownership issues as mentioned above for pci_map_single are the same
- * here.
- */
 static inline
 int dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
 	       enum dma_data_direction direction)
@@ -91,11 +67,6 @@ int dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
 	return nents;
 }
 
-/*
- * Unmap a set of streaming mode DMA translations.
- * Again, cpu read rules concerning calls here are the same as for
- * pci_unmap_single() above.
- */
 static inline
 void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
 		  enum dma_data_direction direction)
@@ -103,10 +74,6 @@ void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
 	BUG_ON(!valid_dma_direction(direction));
 }
 
-/*
- * pci_{map,unmap}_single_page maps a kernel page to a dma_addr_t. identical
- * to pci_map_single, but takes a struct page instead of a virtual address
- */
 static inline
 dma_addr_t dma_map_page(struct device *dev, struct page *page,
 			unsigned long offset, size_t size,
@@ -123,15 +90,6 @@ void dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
 	BUG_ON(direction == DMA_NONE);
 }
 
-/*
- * Make physical memory consistent for a single streaming mode DMA translation
- * after a transfer.
- *
- * If you perform a pci_map_single() but wish to interrogate the buffer using
- * the cpu, yet do not wish to teardown the PCI dma mapping, you must call this
- * function before doing so.  At the next point you give the PCI dma address
- * back to the card, the device again owns the buffer.
- */
 static inline
 void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
 			     size_t size, enum dma_data_direction direction)
@@ -161,13 +119,6 @@ dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
 }
 
 
-/*
- * Make physical memory consistent for a set of streaming mode DMA translations
- * after a transfer.
- *
- * The same as pci_dma_sync_single but for a scatter-gather list, same rules
- * and usage.
- */
 static inline
 void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
 			 int nelems, enum dma_data_direction direction)
@@ -187,12 +138,6 @@ int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 	return 0;
 }
 
-/*
- * Return whether the given PCI device DMA address mask can be supported
- * properly.  For example, if your device can only drive the low 24-bits during
- * PCI bus mastering, then you would pass 0x00ffffff as the mask to this
- * function.
- */
 static inline
 int dma_supported(struct device *dev, u64 mask)
 {
diff --git a/arch/mn10300/include/asm/ptrace.h b/arch/mn10300/include/asm/ptrace.h
index 1b0ba5e182b0..7c2e911052b6 100644
--- a/arch/mn10300/include/asm/ptrace.h
+++ b/arch/mn10300/include/asm/ptrace.h
@@ -99,8 +99,6 @@ struct task_struct;
 extern void show_regs(struct pt_regs *);
 
 #define arch_has_single_step()	(1)
-extern void user_enable_single_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
 
 #endif  /*  !__ASSEMBLY  */
 
diff --git a/arch/mn10300/include/asm/unistd.h b/arch/mn10300/include/asm/unistd.h
index c05acb95c2a9..9d056f515929 100644
--- a/arch/mn10300/include/asm/unistd.h
+++ b/arch/mn10300/include/asm/unistd.h
@@ -363,6 +363,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_SIGNAL
@@ -375,6 +376,7 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_SELECT
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S
index 88e3e1c3cc21..d9ed5a15c547 100644
--- a/arch/mn10300/kernel/entry.S
+++ b/arch/mn10300/kernel/entry.S
@@ -468,7 +468,7 @@ ENTRY(sys_call_table)
 	.long sys_settimeofday
 	.long sys_getgroups16	/* 80 */
 	.long sys_setgroups16
-	.long old_select
+	.long sys_old_select
 	.long sys_symlink
 	.long sys_lstat
 	.long sys_readlink	/* 85 */
diff --git a/arch/mn10300/kernel/sys_mn10300.c b/arch/mn10300/kernel/sys_mn10300.c
index 17cc6ce04e84..815f1355fad4 100644
--- a/arch/mn10300/kernel/sys_mn10300.c
+++ b/arch/mn10300/kernel/sys_mn10300.c
@@ -31,109 +31,3 @@ asmlinkage long old_mmap(unsigned long addr, unsigned long len,
 		return -EINVAL;
 	return sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
 }
-
-struct sel_arg_struct {
-	unsigned long n;
-	fd_set *inp;
-	fd_set *outp;
-	fd_set *exp;
-	struct timeval *tvp;
-};
-
-asmlinkage int old_select(struct sel_arg_struct __user *arg)
-{
-	struct sel_arg_struct a;
-
-	if (copy_from_user(&a, arg, sizeof(a)))
-		return -EFAULT;
-	/* sys_select() does the appropriate kernel locking */
-	return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
-}
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage long sys_ipc(uint call, int first, int second,
-			int third, void __user *ptr, long fifth)
-{
-	int version, ret;
-
-	version = call >> 16; /* hack for backward compatibility */
-	call &= 0xffff;
-
-	switch (call) {
-	case SEMOP:
-		return sys_semtimedop(first, (struct sembuf __user *)ptr,
-				      second, NULL);
-	case SEMTIMEDOP:
-		return sys_semtimedop(first, (struct sembuf __user *)ptr,
-				      second,
-				      (const struct timespec __user *)fifth);
-	case SEMGET:
-		return sys_semget(first, second, third);
-	case SEMCTL: {
-		union semun fourth;
-		if (!ptr)
-			return -EINVAL;
-		if (get_user(fourth.__pad, (void __user * __user *) ptr))
-			return -EFAULT;
-		return sys_semctl(first, second, third, fourth);
-	}
-
-	case MSGSND:
-		return sys_msgsnd(first, (struct msgbuf __user *) ptr,
-				  second, third);
-	case MSGRCV:
-		switch (version) {
-		case 0: {
-			struct ipc_kludge tmp;
-			if (!ptr)
-				return -EINVAL;
-
-			if (copy_from_user(&tmp,
-					   (struct ipc_kludge __user *) ptr,
-					   sizeof(tmp)))
-				return -EFAULT;
-			return sys_msgrcv(first, tmp.msgp, second,
-					  tmp.msgtyp, third);
-		}
-		default:
-			return sys_msgrcv(first,
-					  (struct msgbuf __user *) ptr,
-					   second, fifth, third);
-		}
-	case MSGGET:
-		return sys_msgget((key_t) first, second);
-	case MSGCTL:
-		return sys_msgctl(first, second,
-				   (struct msqid_ds __user *) ptr);
-
-	case SHMAT:
-		switch (version) {
-		default: {
-			ulong raddr;
-			ret = do_shmat(first, (char __user *) ptr, second,
-				       &raddr);
-			if (ret)
-				return ret;
-			return put_user(raddr, (ulong *) third);
-		}
-		case 1:	/* iBCS2 emulator entry point */
-			if (!segment_eq(get_fs(), get_ds()))
-				return -EINVAL;
-			return do_shmat(first, (char __user *) ptr, second,
-					(ulong *) third);
-		}
-	case SHMDT:
-		return sys_shmdt((char __user *)ptr);
-	case SHMGET:
-		return sys_shmget(first, second, third);
-	case SHMCTL:
-		return sys_shmctl(first, second,
-				  (struct shmid_ds __user *) ptr);
-	default:
-		return -EINVAL;
-	}
-}