4 files changed, 58 insertions, 72 deletions

diff --git a/arch/sparc/kernel/hvapi.c b/arch/sparc/kernel/hvapi.c
index a2bc1b2955b4..717ec7ef07f9 100644
--- a/arch/sparc/kernel/hvapi.c
+++ b/arch/sparc/kernel/hvapi.c
@@ -41,6 +41,7 @@ static struct api_info api_table[] = {
 	{ .group = HV_GRP_SDIO_ERR,				},
 	{ .group = HV_GRP_REBOOT_DATA,				},
 	{ .group = HV_GRP_ATU,		.flags = FLAG_PRE_API	},
+	{ .group = HV_GRP_DAX,					},
 	{ .group = HV_GRP_NIAG_PERF,	.flags = FLAG_PRE_API	},
 	{ .group = HV_GRP_FIRE_PERF,				},
 	{ .group = HV_GRP_N2_CPU,				},
diff --git a/arch/sparc/kernel/hvcalls.S b/arch/sparc/kernel/hvcalls.S
index bdfd3d8c6707..2f865a464576 100644
--- a/arch/sparc/kernel/hvcalls.S
+++ b/arch/sparc/kernel/hvcalls.S
@@ -871,3 +871,60 @@ ENTRY(sun4v_m7_set_perfreg)
 	retl
 	nop
 ENDPROC(sun4v_m7_set_perfreg)
+
+	/* %o0: address of CCB array
+	 * %o1: size (in bytes) of CCB array
+	 * %o2: flags
+	 * %o3: reserved
+	 *
+	 * returns:
+	 * %o0: status
+	 * %o1: size (in bytes) of the CCB array that was accepted
+	 * %o2: status data
+	 * %o3: reserved
+	 */
+ENTRY(sun4v_ccb_submit)
+	mov	%o5, %g1
+	mov	HV_CCB_SUBMIT, %o5
+	ta	HV_FAST_TRAP
+	stx	%o1, [%o4]
+	retl
+	 stx	%o2, [%g1]
+ENDPROC(sun4v_ccb_submit)
+EXPORT_SYMBOL(sun4v_ccb_submit)
+
+	/* %o0: completion area ra for the ccb to get info
+	 *
+	 * returns:
+	 * %o0: status
+	 * %o1: CCB state
+	 * %o2: position
+	 * %o3: dax unit
+	 * %o4: queue
+	 */
+ENTRY(sun4v_ccb_info)
+	mov	%o1, %g1
+	mov	HV_CCB_INFO, %o5
+	ta	HV_FAST_TRAP
+	sth	%o1, [%g1 + CCB_INFO_OFFSET_CCB_STATE]
+	sth	%o2, [%g1 + CCB_INFO_OFFSET_QUEUE_POS]
+	sth	%o3, [%g1 + CCB_INFO_OFFSET_DAX_UNIT]
+	retl
+	 sth	%o4, [%g1 + CCB_INFO_OFFSET_QUEUE_NUM]
+ENDPROC(sun4v_ccb_info)
+EXPORT_SYMBOL(sun4v_ccb_info)
+
+	/* %o0: completion area ra for the ccb to kill
+	 *
+	 * returns:
+	 * %o0: status
+	 * %o1: result of the kill
+	 */
+ENTRY(sun4v_ccb_kill)
+	mov	%o1, %g1
+	mov	HV_CCB_KILL, %o5
+	ta	HV_FAST_TRAP
+	retl
+	 sth	%o1, [%g1]
+ENDPROC(sun4v_ccb_kill)
+EXPORT_SYMBOL(sun4v_ccb_kill)
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index 54a6159b9cd8..44d379db3f64 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -70,75 +70,6 @@ struct rt_signal_frame32 {
 	/* __siginfo_rwin_t * */u32 rwin_save;
 } __attribute__((aligned(8)));
 
-int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
-{
-	int err;
-
-	if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
-		return -EFAULT;
-
-	/* If you change siginfo_t structure, please be sure
-	   this code is fixed accordingly.
-	   It should never copy any pad contained in the structure
-	   to avoid security leaks, but must copy the generic
-	   3 ints plus the relevant union member.
-	   This routine must convert siginfo from 64bit to 32bit as well
-	   at the same time.  */
-	err = __put_user(from->si_signo, &to->si_signo);
-	err |= __put_user(from->si_errno, &to->si_errno);
-	err |= __put_user(from->si_code, &to->si_code);
-	if (from->si_code < 0)
-		err |= __copy_to_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE);
-	else {
-		switch (siginfo_layout(from->si_signo, from->si_code)) {
-		case SIL_TIMER:
-			err |= __put_user(from->si_tid, &to->si_tid);
-			err |= __put_user(from->si_overrun, &to->si_overrun);
-			err |= __put_user(from->si_int, &to->si_int);
-			break;
-		case SIL_CHLD:
-			err |= __put_user(from->si_utime, &to->si_utime);
-			err |= __put_user(from->si_stime, &to->si_stime);
-			err |= __put_user(from->si_status, &to->si_status);
-		default:
-		case SIL_KILL:
-			err |= __put_user(from->si_pid, &to->si_pid);
-			err |= __put_user(from->si_uid, &to->si_uid);
-			break;
-		case SIL_FAULT:
-			err |= __put_user(from->si_trapno, &to->si_trapno);
-			err |= __put_user((unsigned long)from->si_addr, &to->si_addr);
-			break;
-		case SIL_POLL:
-			err |= __put_user(from->si_band, &to->si_band);
-			err |= __put_user(from->si_fd, &to->si_fd);
-			break;
-		case SIL_RT:
-			err |= __put_user(from->si_pid, &to->si_pid);
-			err |= __put_user(from->si_uid, &to->si_uid);
-			err |= __put_user(from->si_int, &to->si_int);
-			break;
-		}
-	}
-	return err;
-}
-
-/* CAUTION: This is just a very minimalist implementation for the
- *          sake of compat_sys_rt_sigqueueinfo()
- */
-int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
-{
-	if (!access_ok(VERIFY_WRITE, from, sizeof(compat_siginfo_t)))
-		return -EFAULT;
-
-	if (copy_from_user(to, from, 3*sizeof(int)) ||
-	    copy_from_user(to->_sifields._pad, from->_sifields._pad,
-			   SI_PAD_SIZE))
-		return -EFAULT;
-
-	return 0;
-}
-
 /* Checks if the fp is valid.  We always build signal frames which are
  * 16-byte aligned, therefore we can always enforce that the restore
  * frame has that property as well.
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index 20426a1c28f2..48366e5eb5b2 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -9,9 +9,6 @@
  *  Copyright (C) 1997,1998 Jakub Jelinek   (jj@sunsite.mff.cuni.cz)
  */
 
-#ifdef CONFIG_COMPAT
-#include <linux/compat.h>	/* for compat_old_sigset_t */
-#endif
 #include <linux/sched.h>
 #include <linux/kernel.h>
 #include <linux/signal.h>