Merge branch 'ti-sysc-fixes' into fixes

58 files changed, 102 insertions, 303 deletions

diff --git a/arch/ia64/hp/common/Makefile b/arch/ia64/hp/common/Makefile
index 9e179dd06b85..6026308f9a62 100644
--- a/arch/ia64/hp/common/Makefile
+++ b/arch/ia64/hp/common/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # ia64/platform/hp/common/Makefile
 #
diff --git a/arch/ia64/hp/common/aml_nfw.c b/arch/ia64/hp/common/aml_nfw.c
index 84715fcbba08..684667ade525 100644
--- a/arch/ia64/hp/common/aml_nfw.c
+++ b/arch/ia64/hp/common/aml_nfw.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * OpRegion handler to allow AML to call native firmware
  *
  * (c) Copyright 2007 Hewlett-Packard Development Company, L.P.
  *	Bjorn Helgaas <bjorn.helgaas@hp.com>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  * This driver implements HP Open Source Review Board proposal 1842,
  * which was approved on 9/20/2006.
  *
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index 5a361e51cb1e..3d24cc43385b 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
 **  IA64 System Bus Adapter (SBA) I/O MMU manager
 **
@@ -8,10 +9,6 @@
 **	Portions (c) 2000 Grant Grundler (from parisc I/O MMU code)
 **	Portions (c) 1999 Dave S. Miller (from sparc64 I/O MMU code)
 **
-**	This program is free software; you can redistribute it and/or modify
-**	it under the terms of the GNU General Public License as published by
-**      the Free Software Foundation; either version 2 of the License, or
-**      (at your option) any later version.
 **
 **
 ** This module initializes the IOC (I/O Controller) found on HP
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index 7aeb48a18576..1a338e541334 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -324,8 +324,6 @@ static int rs_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg)
 	return -ENOIOCTLCMD;
 }
 
-#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
-
 /*
  * This routine will shutdown a serial port; interrupts are disabled, and
  * DTR is dropped if the hangup on close termio flag is on.
diff --git a/arch/ia64/hp/zx1/Makefile b/arch/ia64/hp/zx1/Makefile
index 61e878729d1e..46b37d820b59 100644
--- a/arch/ia64/hp/zx1/Makefile
+++ b/arch/ia64/hp/zx1/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # ia64/hp/zx1/Makefile
 #
diff --git a/arch/ia64/include/asm/Kbuild b/arch/ia64/include/asm/Kbuild
index 11f191689c9e..390393667d3b 100644
--- a/arch/ia64/include/asm/Kbuild
+++ b/arch/ia64/include/asm/Kbuild
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 generated-y += syscall_table.h
 generic-y += compat.h
 generic-y += exec.h
diff --git a/arch/ia64/include/asm/acenv.h b/arch/ia64/include/asm/acenv.h
index 35ff13afbf34..9d673cd4c2ad 100644
--- a/arch/ia64/include/asm/acenv.h
+++ b/arch/ia64/include/asm/acenv.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * IA64 specific ACPICA environments and implementation
  *
  * Copyright (C) 2014, Intel Corporation
  *   Author: Lv Zheng <lv.zheng@intel.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #ifndef _ASM_IA64_ACENV_H
diff --git a/arch/ia64/include/asm/acpi-ext.h b/arch/ia64/include/asm/acpi-ext.h
index 7f8362b379eb..eaa57583d151 100644
--- a/arch/ia64/include/asm/acpi-ext.h
+++ b/arch/ia64/include/asm/acpi-ext.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * (c) Copyright 2003, 2006 Hewlett-Packard Development Company, L.P.
  *	Alex Williamson <alex.williamson@hp.com>
  *	Bjorn Helgaas <bjorn.helgaas@hp.com>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
  * Vendor specific extensions to ACPI.
  */
 
diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h
index a3d0211970e9..0ea569040c5b 100644
--- a/arch/ia64/include/asm/acpi.h
+++ b/arch/ia64/include/asm/acpi.h
@@ -1,26 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *  Copyright (C) 1999 VA Linux Systems
  *  Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
  *  Copyright (C) 2000,2001 J.I. Lee <jung-ik.lee@intel.com>
  *  Copyright (C) 2001,2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  */
 
 #ifndef _ASM_ACPI_H
diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h
index 206530d0751b..50440f3ddc43 100644
--- a/arch/ia64/include/asm/atomic.h
+++ b/arch/ia64/include/asm/atomic.h
@@ -124,10 +124,10 @@ ATOMIC_FETCH_OP(xor, ^)
 #undef ATOMIC_OP
 
 #define ATOMIC64_OP(op, c_op)						\
-static __inline__ long							\
-ia64_atomic64_##op (__s64 i, atomic64_t *v)				\
+static __inline__ s64							\
+ia64_atomic64_##op (s64 i, atomic64_t *v)				\
 {									\
-	__s64 old, new;							\
+	s64 old, new;							\
 	CMPXCHG_BUGCHECK_DECL						\
 									\
 	do {								\
@@ -139,10 +139,10 @@ ia64_atomic64_##op (__s64 i, atomic64_t *v)				\
 }
 
 #define ATOMIC64_FETCH_OP(op, c_op)					\
-static __inline__ long							\
-ia64_atomic64_fetch_##op (__s64 i, atomic64_t *v)			\
+static __inline__ s64							\
+ia64_atomic64_fetch_##op (s64 i, atomic64_t *v)				\
 {									\
-	__s64 old, new;							\
+	s64 old, new;							\
 	CMPXCHG_BUGCHECK_DECL						\
 									\
 	do {								\
@@ -162,7 +162,7 @@ ATOMIC64_OPS(sub, -)
 
 #define atomic64_add_return(i,v)					\
 ({									\
-	long __ia64_aar_i = (i);					\
+	s64 __ia64_aar_i = (i);						\
 	__ia64_atomic_const(i)						\
 		? ia64_fetch_and_add(__ia64_aar_i, &(v)->counter)	\
 		: ia64_atomic64_add(__ia64_aar_i, v);			\
@@ -170,7 +170,7 @@ ATOMIC64_OPS(sub, -)
 
 #define atomic64_sub_return(i,v)					\
 ({									\
-	long __ia64_asr_i = (i);					\
+	s64 __ia64_asr_i = (i);						\
 	__ia64_atomic_const(i)						\
 		? ia64_fetch_and_add(-__ia64_asr_i, &(v)->counter)	\
 		: ia64_atomic64_sub(__ia64_asr_i, v);			\
@@ -178,7 +178,7 @@ ATOMIC64_OPS(sub, -)
 
 #define atomic64_fetch_add(i,v)						\
 ({									\
-	long __ia64_aar_i = (i);					\
+	s64 __ia64_aar_i = (i);						\
 	__ia64_atomic_const(i)						\
 		? ia64_fetchadd(__ia64_aar_i, &(v)->counter, acq)	\
 		: ia64_atomic64_fetch_add(__ia64_aar_i, v);		\
@@ -186,7 +186,7 @@ ATOMIC64_OPS(sub, -)
 
 #define atomic64_fetch_sub(i,v)						\
 ({									\
-	long __ia64_asr_i = (i);					\
+	s64 __ia64_asr_i = (i);						\
 	__ia64_atomic_const(i)						\
 		? ia64_fetchadd(-__ia64_asr_i, &(v)->counter, acq)	\
 		: ia64_atomic64_fetch_sub(__ia64_asr_i, v);		\
diff --git a/arch/ia64/include/asm/cputime.h b/arch/ia64/include/asm/cputime.h
index 3d665c0627a8..7f28c3564d5d 100644
--- a/arch/ia64/include/asm/cputime.h
+++ b/arch/ia64/include/asm/cputime.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Definitions for measuring cputime on ia64 machines.
  *
@@ -6,11 +7,6 @@
  * Copyright (C) 2007 FUJITSU LIMITED
  * Copyright (C) 2007 Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
  * If we have CONFIG_VIRT_CPU_ACCOUNTING_NATIVE, we measure cpu time in nsec.
  * Otherwise we measure cpu time in jiffies using the generic definitions.
  */
diff --git a/arch/ia64/include/asm/device.h b/arch/ia64/include/asm/device.h
index f69c32ffbe6a..410a769ece95 100644
--- a/arch/ia64/include/asm/device.h
+++ b/arch/ia64/include/asm/device.h
@@ -1,7 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Arch specific extensions to struct device
- *
- * This file is released under the GPLv2
  */
 #ifndef _ASM_IA64_DEVICE_H
 #define _ASM_IA64_DEVICE_H
diff --git a/arch/ia64/include/asm/exception.h b/arch/ia64/include/asm/exception.h
index 6bb246dcdaeb..1d5df8116a31 100644
--- a/arch/ia64/include/asm/exception.h
+++ b/arch/ia64/include/asm/exception.h
@@ -1,16 +1,4 @@
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
+/* SPDX-License-Identifier: GPL-2.0-only */
 #ifndef __ASM_EXCEPTION_H
 #define __ASM_EXCEPTION_H
 
diff --git a/arch/ia64/include/asm/kdebug.h b/arch/ia64/include/asm/kdebug.h
index d11a69855036..4f7e6dc974bc 100644
--- a/arch/ia64/include/asm/kdebug.h
+++ b/arch/ia64/include/asm/kdebug.h
@@ -1,19 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 #ifndef _IA64_KDEBUG_H
 #define _IA64_KDEBUG_H 1
 /*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  *
  * Copyright (C) Intel Corporation, 2005
  *
diff --git a/arch/ia64/include/asm/kprobes.h b/arch/ia64/include/asm/kprobes.h
index 580356a2eea6..c5cf5e4fb338 100644
--- a/arch/ia64/include/asm/kprobes.h
+++ b/arch/ia64/include/asm/kprobes.h
@@ -1,22 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 #ifndef _ASM_KPROBES_H
 #define _ASM_KPROBES_H
 /*
  *  Kernel Probes (KProbes)
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
  * Copyright (C) IBM Corporation, 2002, 2004
  * Copyright (C) Intel Corporation, 2005
  *
diff --git a/arch/ia64/include/asm/native/inst.h b/arch/ia64/include/asm/native/inst.h
index 7e08f17accd5..e08662396029 100644
--- a/arch/ia64/include/asm/native/inst.h
+++ b/arch/ia64/include/asm/native/inst.h
@@ -1,23 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /******************************************************************************
  * arch/ia64/include/asm/native/inst.h
  *
  * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
  *                    VA Linux Systems Japan K.K.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
  */
 
 #define DO_SAVE_MIN		IA64_NATIVE_DO_SAVE_MIN
diff --git a/arch/ia64/include/asm/native/irq.h b/arch/ia64/include/asm/native/irq.h
index 887a228e2edb..aa74915f8aa2 100644
--- a/arch/ia64/include/asm/native/irq.h
+++ b/arch/ia64/include/asm/native/irq.h
@@ -1,22 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /******************************************************************************
  * arch/ia64/include/asm/native/irq.h
  *
  * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
  *                    VA Linux Systems Japan K.K.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
 #ifndef _ASM_IA64_NATIVE_IRQ_H
diff --git a/arch/ia64/include/asm/native/patchlist.h b/arch/ia64/include/asm/native/patchlist.h
index be16ca9311bf..f13e7675758c 100644
--- a/arch/ia64/include/asm/native/patchlist.h
+++ b/arch/ia64/include/asm/native/patchlist.h
@@ -1,23 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /******************************************************************************
  * arch/ia64/include/asm/native/inst.h
  *
  * Copyright (c) 2008 Isaku Yamahata <yamahata at valinux co jp>
  *                    VA Linux Systems Japan K.K.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
  */
 
 #define __paravirt_start_gate_fsyscall_patchlist		\
diff --git a/arch/ia64/include/asm/syscall.h b/arch/ia64/include/asm/syscall.h
index da108cd45174..6c6f16e409a8 100644
--- a/arch/ia64/include/asm/syscall.h
+++ b/arch/ia64/include/asm/syscall.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Access to user system call parameters and results
  *
  * Copyright (C) 2008 Intel Corp.  Shaohua Li <shaohua.li@intel.com>
  *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License v.2.
- *
  * See asm-generic/syscall.h for descriptions of what we must do here.
  */
 
diff --git a/arch/ia64/include/asm/topology.h b/arch/ia64/include/asm/topology.h
index 82f9bf702804..43567240b0d6 100644
--- a/arch/ia64/include/asm/topology.h
+++ b/arch/ia64/include/asm/topology.h
@@ -1,12 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (C) 2002, Erich Focht, NEC
  *
  * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
  */
 #ifndef _ASM_IA64_TOPOLOGY_H
 #define _ASM_IA64_TOPOLOGY_H
diff --git a/arch/ia64/include/asm/uncached.h b/arch/ia64/include/asm/uncached.h
index 13d7e65ca3cc..98f447fc77b7 100644
--- a/arch/ia64/include/asm/uncached.h
+++ b/arch/ia64/include/asm/uncached.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (C) 2001-2008 Silicon Graphics, Inc.  All rights reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
- *
  * Prototypes for the uncached page allocator
  */
 
diff --git a/arch/ia64/include/asm/xor.h b/arch/ia64/include/asm/xor.h
index a349e23dea15..673051bf9d7d 100644
--- a/arch/ia64/include/asm/xor.h
+++ b/arch/ia64/include/asm/xor.h
@@ -1,14 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Optimized RAID-5 checksumming functions for IA-64.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * You should have received a copy of the GNU General Public License
- * (for example /usr/src/linux/COPYING); if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
 
diff --git a/arch/ia64/include/uapi/asm/Kbuild b/arch/ia64/include/uapi/asm/Kbuild
index 62a9522af51e..3a1341e3535a 100644
--- a/arch/ia64/include/uapi/asm/Kbuild
+++ b/arch/ia64/include/uapi/asm/Kbuild
@@ -1 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
 generated-y += unistd_64.h
diff --git a/arch/ia64/kernel/acpi-ext.c b/arch/ia64/kernel/acpi-ext.c
index bd09bf74f187..42cd21480833 100644
--- a/arch/ia64/kernel/acpi-ext.c
+++ b/arch/ia64/kernel/acpi-ext.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * (c) Copyright 2003, 2006 Hewlett-Packard Development Company, L.P.
  *	Alex Williamson <alex.williamson@hp.com>
  *	Bjorn Helgaas <bjorn.helgaas@hp.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #include <linux/module.h>
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 1435e7a1a8cd..c597ab5275b8 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  acpi.c - Architecture-Specific Low-Level ACPI Support
  *
@@ -12,24 +13,6 @@
  *  Copyright (C) 2001 Takayoshi Kochi <t-kochi@bq.jp.nec.com>
  *  Copyright (C) 2002 Erich Focht <efocht@ess.nec.de>
  *  Copyright (C) 2004 Ashok Raj <ashok.raj@intel.com>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  */
 
 #include <linux/module.h>
diff --git a/arch/ia64/kernel/brl_emu.c b/arch/ia64/kernel/brl_emu.c
index c0239bf77a09..782c481d7052 100644
--- a/arch/ia64/kernel/brl_emu.c
+++ b/arch/ia64/kernel/brl_emu.c
@@ -197,21 +197,21 @@ ia64_emulate_brl (struct pt_regs *regs, unsigned long ar_ec)
 		 */
 		printk(KERN_DEBUG "Woah! Unimplemented Instruction Address Trap!\n");
 		force_sig_fault(SIGILL, ILL_BADIADDR, (void __user *)NULL,
-				0, 0, 0, current);
+				0, 0, 0);
 	} else if (ia64_psr(regs)->tb) {
 		/*
 		 *  Branch Tracing is enabled.
 		 *  Force a taken branch signal.
 		 */
 		force_sig_fault(SIGTRAP, TRAP_BRANCH, (void __user *)NULL,
-				0, 0, 0, current);
+				0, 0, 0);
 	} else if (ia64_psr(regs)->ss) {
 		/*
 		 *  Single Step is enabled.
 		 *  Force a trace signal.
 		 */
 		force_sig_fault(SIGTRAP, TRAP_TRACE, (void __user *)NULL,
-				0, 0, 0, current);
+				0, 0, 0);
 	}
 	return rv;
 }
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index 8f106638913c..3795d18276c4 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -852,7 +852,7 @@ valid_phys_addr_range (phys_addr_t phys_addr, unsigned long size)
 	 * /dev/mem reads and writes use copy_to_user(), which implicitly
 	 * uses a granule-sized kernel identity mapping.  It's really
 	 * only safe to do this for regions in kern_memmap.  For more
-	 * details, see Documentation/ia64/aliasing.txt.
+	 * details, see Documentation/ia64/aliasing.rst.
 	 */
 	attr = kern_mem_attribute(phys_addr, size);
 	if (attr & EFI_MEMORY_WB || attr & EFI_MEMORY_UC)
diff --git a/arch/ia64/kernel/esi.c b/arch/ia64/kernel/esi.c
index b091111270cb..cb514126ef7f 100644
--- a/arch/ia64/kernel/esi.c
+++ b/arch/ia64/kernel/esi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Extensible SAL Interface (ESI) support routines.
  *
diff --git a/arch/ia64/kernel/esi_stub.S b/arch/ia64/kernel/esi_stub.S
index 2c369bf77c4b..821e68d10598 100644
--- a/arch/ia64/kernel/esi_stub.S
+++ b/arch/ia64/kernel/esi_stub.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * ESI call stub.
  *
diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S
index d80c99a5f55d..0750a716adc7 100644
--- a/arch/ia64/kernel/fsys.S
+++ b/arch/ia64/kernel/fsys.S
@@ -28,7 +28,7 @@
 #include <asm/native/inst.h>
 
 /*
- * See Documentation/ia64/fsys.txt for details on fsyscalls.
+ * See Documentation/ia64/fsys.rst for details on fsyscalls.
  *
  * On entry to an fsyscall handler:
  *   r10	= 0 (i.e., defaults to "successful syscall return")
diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c
index aa41bd5cf9b7..5de801a2c0f0 100644
--- a/arch/ia64/kernel/kprobes.c
+++ b/arch/ia64/kernel/kprobes.c
@@ -1,21 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *  Kernel Probes (KProbes)
  *  arch/ia64/kernel/kprobes.c
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
  * Copyright (C) IBM Corporation, 2002, 2004
  * Copyright (C) Intel Corporation, 2005
  *
diff --git a/arch/ia64/kernel/machine_kexec.c b/arch/ia64/kernel/machine_kexec.c
index c14815dca747..3b1dd5496d08 100644
--- a/arch/ia64/kernel/machine_kexec.c
+++ b/arch/ia64/kernel/machine_kexec.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * arch/ia64/kernel/machine_kexec.c
  *
@@ -5,9 +6,6 @@
  * Copyright (C) 2005 Hewlett-Packard Development Comapny, L.P.
  * Copyright (C) 2005 Khalid Aziz <khalid.aziz@hp.com>
  * Copyright (C) 2006 Intel Corp, Zou Nan hai <nanhai.zou@intel.com>
- *
- * This source code is licensed under the GNU General Public License,
- * Version 2.  See the file COPYING for more details.
  */
 
 #include <linux/mm.h>
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 5cabb3fd159f..79190d877fa7 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * File:	mca.c
  * Purpose:	Generic MCA handling layer
@@ -1830,7 +1831,7 @@ format_mca_init_stack(void *mca_data, unsigned long offset,
 	ti->cpu = cpu;
 	p->stack = ti;
 	p->state = TASK_UNINTERRUPTIBLE;
-	cpumask_set_cpu(cpu, &p->cpus_allowed);
+	cpumask_set_cpu(cpu, &p->cpus_mask);
 	INIT_LIST_HEAD(&p->tasks);
 	p->parent = p->real_parent = p->group_leader = p;
 	INIT_LIST_HEAD(&p->children);
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index 45f956ad715a..cd7972ede1d6 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * File:	mca_drv.c
  * Purpose:	Generic MCA handling layer
diff --git a/arch/ia64/kernel/numa.c b/arch/ia64/kernel/numa.c
index 1315da6c7aeb..8a959f20662d 100644
--- a/arch/ia64/kernel/numa.c
+++ b/arch/ia64/kernel/numa.c
@@ -1,17 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  *
  * ia64 kernel NUMA specific stuff
  *
diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index f4a94241265c..78fa6579c9ea 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * palinfo.c
  *
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 7a969f4c3534..a23c3938a1c4 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * This file implements the perfmon-2 subsystem which is used
  * to program the IA-64 Performance Monitoring Unit (PMU).
@@ -38,6 +39,7 @@
 #include <linux/smp.h>
 #include <linux/pagemap.h>
 #include <linux/mount.h>
+#include <linux/pseudo_fs.h>
 #include <linux/bitops.h>
 #include <linux/capability.h>
 #include <linux/rcupdate.h>
@@ -599,17 +601,19 @@ pfm_unprotect_ctx_ctxsw(pfm_context_t *x, unsigned long f)
 /* forward declaration */
 static const struct dentry_operations pfmfs_dentry_operations;
 
-static struct dentry *
-pfmfs_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data)
+static int pfmfs_init_fs_context(struct fs_context *fc)
 {
-	return mount_pseudo(fs_type, "pfm:", NULL, &pfmfs_dentry_operations,
-			PFMFS_MAGIC);
+	struct pseudo_fs_context *ctx = init_pseudo(fc, PFMFS_MAGIC);
+	if (!ctx)
+		return -ENOMEM;
+	ctx->dops = &pfmfs_dentry_operations;
+	return 0;
 }
 
 static struct file_system_type pfm_fs_type = {
-	.name     = "pfmfs",
-	.mount    = pfmfs_mount,
-	.kill_sb  = kill_anon_super,
+	.name			= "pfmfs",
+	.init_fs_context	= pfmfs_init_fs_context,
+	.kill_sb		= kill_anon_super,
 };
 MODULE_ALIAS_FS("pfmfs");
 
@@ -6389,11 +6393,7 @@ pfm_install_alt_pmu_interrupt(pfm_intr_handler_desc_t *hdl)
 	}
 
 	/* save the current system wide pmu states */
-	ret = on_each_cpu(pfm_alt_save_pmu_state, NULL, 1);
-	if (ret) {
-		DPRINT(("on_each_cpu() failed: %d\n", ret));
-		goto cleanup_reserve;
-	}
+	on_each_cpu(pfm_alt_save_pmu_state, NULL, 1);
 
 	/* officially change to the alternate interrupt handler */
 	pfm_alt_intr_handler = hdl;
@@ -6420,7 +6420,6 @@ int
 pfm_remove_alt_pmu_interrupt(pfm_intr_handler_desc_t *hdl)
 {
 	int i;
-	int ret;
 
 	if (hdl == NULL) return -EINVAL;
 
@@ -6434,10 +6433,7 @@ pfm_remove_alt_pmu_interrupt(pfm_intr_handler_desc_t *hdl)
 
 	pfm_alt_intr_handler = NULL;
 
-	ret = on_each_cpu(pfm_alt_restore_pmu_state, NULL, 1);
-	if (ret) {
-		DPRINT(("on_each_cpu() failed: %d\n", ret));
-	}
+	on_each_cpu(pfm_alt_restore_pmu_state, NULL, 1);
 
 	for_each_online_cpu(i) {
 		pfm_unreserve_session(NULL, 1, i);
diff --git a/arch/ia64/kernel/perfmon_default_smpl.c b/arch/ia64/kernel/perfmon_default_smpl.c
index 30c644ea44c9..a40c56020fc5 100644
--- a/arch/ia64/kernel/perfmon_default_smpl.c
+++ b/arch/ia64/kernel/perfmon_default_smpl.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (C) 2002-2003 Hewlett-Packard Co
  *               Stephane Eranian <eranian@hpl.hp.com>
diff --git a/arch/ia64/kernel/relocate_kernel.S b/arch/ia64/kernel/relocate_kernel.S
index c370e02f0061..7124fe7bec7c 100644
--- a/arch/ia64/kernel/relocate_kernel.S
+++ b/arch/ia64/kernel/relocate_kernel.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * arch/ia64/kernel/relocate_kernel.S
  *
@@ -6,9 +7,6 @@
  * Copyright (C) 2005 Hewlett-Packard Development Company, L.P.
  * Copyright (C) 2005 Khalid Aziz  <khalid.aziz@hp.com>
  * Copyright (C) 2005 Intel Corp,  Zou Nan hai <nanhai.zou@intel.com>
- *
- * This source code is licensed under the GNU General Public License,
- * Version 2.  See the file COPYING for more details.
  */
 #include <asm/asmmacro.h>
 #include <asm/kregs.h>
diff --git a/arch/ia64/kernel/sal.c b/arch/ia64/kernel/sal.c
index 0464173ea568..9b2331ac10ce 100644
--- a/arch/ia64/kernel/sal.c
+++ b/arch/ia64/kernel/sal.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * System Abstraction Layer (SAL) interface routines.
  *
diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c
index aba1f463a8dd..b392c0a50346 100644
--- a/arch/ia64/kernel/salinfo.c
+++ b/arch/ia64/kernel/salinfo.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * salinfo.c
  *
diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
index 6062fd14e34e..e5044aed9452 100644
--- a/arch/ia64/kernel/signal.c
+++ b/arch/ia64/kernel/signal.c
@@ -152,7 +152,7 @@ ia64_rt_sigreturn (struct sigscratch *scr)
 	return retval;
 
   give_sigsegv:
-	force_sig(SIGSEGV, current);
+	force_sig(SIGSEGV);
 	return retval;
 }
 
@@ -257,7 +257,7 @@ setup_frame(struct ksignal *ksig, sigset_t *set, struct sigscratch *scr)
 			 */
 			check_sp = (new_sp - sizeof(*frame)) & -STACK_ALIGN;
 			if (!likely(on_sig_stack(check_sp))) {
-				force_sigsegv(ksig->sig, current);
+				force_sigsegv(ksig->sig);
 				return 1;
 			}
 		}
@@ -265,7 +265,7 @@ setup_frame(struct ksignal *ksig, sigset_t *set, struct sigscratch *scr)
 	frame = (void __user *) ((new_sp - sizeof(*frame)) & -STACK_ALIGN);
 
 	if (!access_ok(frame, sizeof(*frame))) {
-		force_sigsegv(ksig->sig, current);
+		force_sigsegv(ksig->sig);
 		return 1;
 	}
 
@@ -282,7 +282,7 @@ setup_frame(struct ksignal *ksig, sigset_t *set, struct sigscratch *scr)
 	err |= setup_sigcontext(&frame->sc, set, scr);
 
 	if (unlikely(err)) {
-		force_sigsegv(ksig->sig, current);
+		force_sigsegv(ksig->sig);
 		return 1;
 	}
 
diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c
index 7f706d4f84f7..133b63355814 100644
--- a/arch/ia64/kernel/smp.c
+++ b/arch/ia64/kernel/smp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * SMP Support
  *
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index 51ec944b036c..d0474a0c67db 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * SMP boot-related support
  *
diff --git a/arch/ia64/kernel/syscalls/syscall.tbl b/arch/ia64/kernel/syscalls/syscall.tbl
index e01df3f2f80d..36d5faf4c86c 100644
--- a/arch/ia64/kernel/syscalls/syscall.tbl
+++ b/arch/ia64/kernel/syscalls/syscall.tbl
@@ -354,3 +354,5 @@
 431	common	fsconfig			sys_fsconfig
 432	common	fsmount				sys_fsmount
 433	common	fspick				sys_fspick
+434	common	pidfd_open			sys_pidfd_open
+# 435 reserved for clone3
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 9025699049ca..4ecd81b0e8ec 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * linux/arch/ia64/kernel/time.c
  *
diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c
index 85d8616ac4f6..e13cb905930f 100644
--- a/arch/ia64/kernel/traps.c
+++ b/arch/ia64/kernel/traps.c
@@ -176,7 +176,7 @@ __kprobes ia64_bad_break (unsigned long break_num, struct pt_regs *regs)
 	}
 	force_sig_fault(sig, code,
 			(void __user *) (regs->cr_iip + ia64_psr(regs)->ri),
-			break_num, 0 /* clear __ISR_VALID */, 0, current);
+			break_num, 0 /* clear __ISR_VALID */, 0);
 }
 
 /*
@@ -353,7 +353,7 @@ handle_fpu_swa (int fp_fault, struct pt_regs *regs, unsigned long isr)
 			}
 			force_sig_fault(SIGFPE, si_code,
 					(void __user *) (regs->cr_iip + ia64_psr(regs)->ri),
-					0, __ISR_VALID, isr, current);
+					0, __ISR_VALID, isr);
 		}
 	} else {
 		if (exception == -1) {
@@ -373,7 +373,7 @@ handle_fpu_swa (int fp_fault, struct pt_regs *regs, unsigned long isr)
 			}
 			force_sig_fault(SIGFPE, si_code,
 					(void __user *) (regs->cr_iip + ia64_psr(regs)->ri),
-					0, __ISR_VALID, isr, current);
+					0, __ISR_VALID, isr);
 		}
 	}
 	return 0;
@@ -408,7 +408,7 @@ ia64_illegal_op_fault (unsigned long ec, long arg1, long arg2, long arg3,
 
 	force_sig_fault(SIGILL, ILL_ILLOPC,
 			(void __user *) (regs.cr_iip + ia64_psr(&regs)->ri),
-			0, 0, 0, current);
+			0, 0, 0);
 	return rv;
 }
 
@@ -483,7 +483,7 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
 							+ ia64_psr(&regs)->ri);
 			}
 			force_sig_fault(sig, code, addr,
-					vector, __ISR_VALID, isr, current);
+					vector, __ISR_VALID, isr);
 			return;
 		} else if (ia64_done_with_exception(&regs))
 			return;
@@ -493,7 +493,7 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
 	      case 31: /* Unsupported Data Reference */
 		if (user_mode(&regs)) {
 			force_sig_fault(SIGILL, ILL_ILLOPN, (void __user *) iip,
-					vector, __ISR_VALID, isr, current);
+					vector, __ISR_VALID, isr);
 			return;
 		}
 		sprintf(buf, "Unsupported data reference");
@@ -542,7 +542,7 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
 			       	== NOTIFY_STOP)
 			return;
 		force_sig_fault(SIGTRAP, si_code, (void __user *) ifa,
-				0, __ISR_VALID, isr, current);
+				0, __ISR_VALID, isr);
 		return;
 
 	      case 32: /* fp fault */
@@ -550,7 +550,7 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
 		result = handle_fpu_swa((vector == 32) ? 1 : 0, &regs, isr);
 		if ((result < 0) || (current->thread.flags & IA64_THREAD_FPEMU_SIGFPE)) {
 			force_sig_fault(SIGFPE, FPE_FLTINV, (void __user *) iip,
-					0, __ISR_VALID, isr, current);
+					0, __ISR_VALID, isr);
 		}
 		return;
 
@@ -578,7 +578,7 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
 			if (user_mode(&regs)) {
 				force_sig_fault(SIGILL, ILL_BADIADDR,
 						(void __user *) iip,
-						0, 0, 0, current);
+						0, 0, 0);
 				return;
 			}
 			sprintf(buf, "Unimplemented Instruction Address fault");
@@ -589,14 +589,14 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
 		printk(KERN_ERR "Unexpected IA-32 exception (Trap 45)\n");
 		printk(KERN_ERR "  iip - 0x%lx, ifa - 0x%lx, isr - 0x%lx\n",
 		       iip, ifa, isr);
-		force_sig(SIGSEGV, current);
+		force_sig(SIGSEGV);
 		return;
 
 	      case 46:
 		printk(KERN_ERR "Unexpected IA-32 intercept trap (Trap 46)\n");
 		printk(KERN_ERR "  iip - 0x%lx, ifa - 0x%lx, isr - 0x%lx, iim - 0x%lx\n",
 		       iip, ifa, isr, iim);
-		force_sig(SIGSEGV, current);
+		force_sig(SIGSEGV);
 		return;
 
 	      case 47:
@@ -608,5 +608,5 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
 		break;
 	}
 	if (!die_if_kernel(buf, &regs, error))
-		force_sig(SIGILL, current);
+		force_sig(SIGILL);
 }
diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index a167a3824b35..eb7d5df59fa3 100644
--- a/arch/ia64/kernel/unaligned.c
+++ b/arch/ia64/kernel/unaligned.c
@@ -1537,6 +1537,6 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
 	}
   force_sigbus:
 	force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *) ifa,
-			0, 0, 0, current);
+			0, 0, 0);
 	goto done;
 }
diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c
index 583f7ff6b589..16c6d377c502 100644
--- a/arch/ia64/kernel/uncached.c
+++ b/arch/ia64/kernel/uncached.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (C) 2001-2008 Silicon Graphics, Inc.  All rights reserved.
  *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
- *
  * A simple uncached page allocator using the generic allocator. This
  * allocator first utilizes the spare (spill) pages found in the EFI
  * memmap and will then start converting cached pages to uncached ones
@@ -124,8 +121,8 @@ static int uncached_add_chunk(struct uncached_pool *uc_pool, int nid)
 	status = ia64_pal_prefetch_visibility(PAL_VISIBILITY_PHYSICAL);
 	if (status == PAL_VISIBILITY_OK_REMOTE_NEEDED) {
 		atomic_set(&uc_pool->status, 0);
-		status = smp_call_function(uncached_ipi_visibility, uc_pool, 1);
-		if (status || atomic_read(&uc_pool->status))
+		smp_call_function(uncached_ipi_visibility, uc_pool, 1);
+		if (atomic_read(&uc_pool->status))
 			goto failed;
 	} else if (status != PAL_VISIBILITY_OK)
 		goto failed;
@@ -146,8 +143,8 @@ static int uncached_add_chunk(struct uncached_pool *uc_pool, int nid)
 	if (status != PAL_STATUS_SUCCESS)
 		goto failed;
 	atomic_set(&uc_pool->status, 0);
-	status = smp_call_function(uncached_ipi_mc_drain, uc_pool, 1);
-	if (status || atomic_read(&uc_pool->status))
+	smp_call_function(uncached_ipi_mc_drain, uc_pool, 1);
+	if (atomic_read(&uc_pool->status))
 		goto failed;
 
 	/*
diff --git a/arch/ia64/lib/flush.S b/arch/ia64/lib/flush.S
index 9a5a2f9fad13..8573d59c9ed1 100644
--- a/arch/ia64/lib/flush.S
+++ b/arch/ia64/lib/flush.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Cache flushing routines.
  *
diff --git a/arch/ia64/lib/xor.S b/arch/ia64/lib/xor.S
index c83f1c410691..5413dafe6b2e 100644
--- a/arch/ia64/lib/xor.S
+++ b/arch/ia64/lib/xor.S
@@ -1,16 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * arch/ia64/lib/xor.S
  *
  * Optimized RAID-5 checksumming functions for IA-64.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * You should have received a copy of the GNU General Public License
- * (for example /usr/src/linux/COPYING); if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
 #include <asm/asmmacro.h>
diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
index 5baeb022f474..c2f299fe9e04 100644
--- a/arch/ia64/mm/fault.c
+++ b/arch/ia64/mm/fault.c
@@ -21,28 +21,6 @@
 
 extern int die(char *, struct pt_regs *, long);
 
-#ifdef CONFIG_KPROBES
-static inline int notify_page_fault(struct pt_regs *regs, int trap)
-{
-	int ret = 0;
-
-	if (!user_mode(regs)) {
-		/* kprobe_running() needs smp_processor_id() */
-		preempt_disable();
-		if (kprobe_running() && kprobe_fault_handler(regs, trap))
-			ret = 1;
-		preempt_enable();
-	}
-
-	return ret;
-}
-#else
-static inline int notify_page_fault(struct pt_regs *regs, int trap)
-{
-	return 0;
-}
-#endif
-
 /*
  * Return TRUE if ADDRESS points at a page in the kernel's mapped segment
  * (inside region 5, on ia64) and that page is present.
@@ -116,7 +94,7 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
 	/*
 	 * This is to handle the kprobes on user space access instructions
 	 */
-	if (notify_page_fault(regs, TRAP_BRKPT))
+	if (kprobe_page_fault(regs, TRAP_BRKPT))
 		return;
 
 	if (user_mode(regs))
@@ -249,7 +227,7 @@ retry:
 	}
 	if (user_mode(regs)) {
 		force_sig_fault(signal, code, (void __user *) address,
-				0, __ISR_VALID, isr, current);
+				0, __ISR_VALID, isr);
 		return;
 	}
 
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index d28e29103bdb..aae75fd7b810 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -681,7 +681,6 @@ int arch_add_memory(int nid, u64 start, u64 size,
 	return ret;
 }
 
-#ifdef CONFIG_MEMORY_HOTREMOVE
 void arch_remove_memory(int nid, u64 start, u64 size,
 			struct vmem_altmap *altmap)
 {
@@ -693,4 +692,3 @@ void arch_remove_memory(int nid, u64 start, u64 size,
 	__remove_pages(zone, start_pfn, nr_pages, altmap);
 }
 #endif
-#endif
diff --git a/arch/ia64/mm/ioremap.c b/arch/ia64/mm/ioremap.c
index 43964cde6214..0c0de2c4ec69 100644
--- a/arch/ia64/mm/ioremap.c
+++ b/arch/ia64/mm/ioremap.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * (c) Copyright 2006, 2007 Hewlett-Packard Development Company, L.P.
  *	Bjorn Helgaas <bjorn.helgaas@hp.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 #include <linux/compiler.h>
@@ -45,7 +42,7 @@ ioremap (unsigned long phys_addr, unsigned long size)
 	/*
 	 * For things in kern_memmap, we must use the same attribute
 	 * as the rest of the kernel.  For more details, see
-	 * Documentation/ia64/aliasing.txt.
+	 * Documentation/ia64/aliasing.rst.
 	 */
 	attr = kern_mem_attribute(phys_addr, size);
 	if (attr & EFI_MEMORY_WB)
diff --git a/arch/ia64/mm/numa.c b/arch/ia64/mm/numa.c
index a03803506b0c..5e1015eb6d0d 100644
--- a/arch/ia64/mm/numa.c
+++ b/arch/ia64/mm/numa.c
@@ -55,6 +55,7 @@ paddr_to_nid(unsigned long paddr)
 
 	return (i < num_node_memblks) ? node_memblk[i].nid : (num_node_memblks ? -1 : 0);
 }
+EXPORT_SYMBOL(paddr_to_nid);
 
 #if defined(CONFIG_SPARSEMEM) && defined(CONFIG_NUMA)
 /*
diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c
index 5158bd28de05..0714df1b7854 100644
--- a/arch/ia64/mm/tlb.c
+++ b/arch/ia64/mm/tlb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * TLB support routines.
  *
diff --git a/arch/ia64/pci/Makefile b/arch/ia64/pci/Makefile
index fb14dc520d2d..81ea50eeb527 100644
--- a/arch/ia64/pci/Makefile
+++ b/arch/ia64/pci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Makefile for the ia64-specific parts of the pci bus
 #
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 196a0dd7ff97..165e561dc81a 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * pci.c - Low-Level PCI Access in IA-64
  *
@@ -449,7 +450,7 @@ pci_mmap_legacy_page_range(struct pci_bus *bus, struct vm_area_struct *vma,
 		return -ENOSYS;
 
 	/*
-	 * Avoid attribute aliasing.  See Documentation/ia64/aliasing.txt
+	 * Avoid attribute aliasing.  See Documentation/ia64/aliasing.rst
 	 * for more details.
 	 */
 	if (!valid_mmap_phys_addr_range(vma->vm_pgoff, size))