Merge tag 'microblaze-v5.7-rc1' of git://git.monstr.eu/linux-2.6-microblaze

Pull microblaze updates from Michal Simek:

 - convert license headers to SPDX

 - cleanup header handling and use asm-generic one

 - get rid of earlyprintk residues

 - define barriers and use it in the code

 - get rid of setup_irq() for timer

 - various small addons and fixes

* tag 'microblaze-v5.7-rc1' of git://git.monstr.eu/linux-2.6-microblaze:
  microblaze: Replace setup_irq() by request_irq()
  microblaze: Stop printing the virtual memory layout
  microblaze: Use asm generic cmpxchg.h for !SMP case
  microblaze: Define percpu sestion in linker file
  microblaze: Remove unused boot_cpuid variable
  microblaze: Add missing irqflags.h header
  microblaze: Add sync to tlb operations
  microblaze: Define microblaze barrier
  microblaze: Remove empty headers
  microblaze: Remove early printk setup
  microblaze: Remove architecture tlb.h and use generic one
  microblaze: Convert headers to SPDX license
  microblaze: Fix _reset() function
  microblaze: Kernel parameters should be parsed earlier

arch/microblaze/include/asm/Kbuild

 # SPDX-License-Identifier: GPL-2.0
 generated-y += syscall_table.h
-generic-y += barrier.h
 generic-y += bitops.h
 generic-y += bug.h
 generic-y += bugs.h
@@ -13,6 +12,7 @@ generic-y += exec.h
 generic-y += extable.h
 generic-y += fb.h
 generic-y += hardirq.h
+generic-y += hw_irq.h
 generic-y += irq_regs.h
 generic-y += irq_work.h
 generic-y += kdebug.h
@@ -31,8 +31,10 @@ generic-y += preempt.h
 generic-y += serial.h
 generic-y += shmparam.h
 generic-y += syscalls.h
+generic-y += tlb.h
 generic-y += topology.h
 generic-y += trace_clock.h
+generic-y += user.h
 generic-y += vga.h
 generic-y += word-at-a-time.h
 generic-y += xor.h

arch/microblaze/include/asm/barrier.h

+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2015 - 2020 Xilinx, Inc. All rights reserved.
+ */
+
+#ifndef _ASM_MICROBLAZE_BARRIER_H
+#define _ASM_MICROBLAZE_BARRIER_H
+
+#define mb()	__asm__ __volatile__ ("mbar 1" : : : "memory")
+
+#include <asm-generic/barrier.h>
+
+#endif /* _ASM_MICROBLAZE_BARRIER_H */

arch/microblaze/include/asm/cache.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Cache operations
  *
  * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2007-2009 PetaLogix
  * Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_CACHE_H

arch/microblaze/include/asm/cacheflush.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2007-2009 PetaLogix
@@ -5,11 +6,6 @@
  * based on v850 version which was
  * Copyright (C) 2001,02,03 NEC Electronics Corporation
  * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
  */
 
 #ifndef _ASM_MICROBLAZE_CACHEFLUSH_H

arch/microblaze/include/asm/checksum.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2008 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_CHECKSUM_H

arch/microblaze/include/asm/cmpxchg.h

@@ -2,42 +2,8 @@
 #ifndef _ASM_MICROBLAZE_CMPXCHG_H
 #define _ASM_MICROBLAZE_CMPXCHG_H
 
-#include <linux/irqflags.h>
-
-void __bad_xchg(volatile void *ptr, int size);
-
-static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
-								int size)
-{
-	unsigned long ret;
-	unsigned long flags;
-
-	switch (size) {
-	case 1:
-		local_irq_save(flags);
-		ret = *(volatile unsigned char *)ptr;
-		*(volatile unsigned char *)ptr = x;
-		local_irq_restore(flags);
-		break;
-
-	case 4:
-		local_irq_save(flags);
-		ret = *(volatile unsigned long *)ptr;
-		*(volatile unsigned long *)ptr = x;
-		local_irq_restore(flags);
-		break;
-	default:
-		__bad_xchg(ptr, size), ret = 0;
-		break;
-	}
-
-	return ret;
-}
-
-#define xchg(ptr, x) \
-	((__typeof__(*(ptr))) __xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))
-
-#include <asm-generic/cmpxchg.h>
-#include <asm-generic/cmpxchg-local.h>
+#ifndef CONFIG_SMP
+# include <asm-generic/cmpxchg.h>
+#endif
 
 #endif /* _ASM_MICROBLAZE_CMPXCHG_H */

arch/microblaze/include/asm/cpuinfo.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Generic support for queying CPU info
  *
  * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2007-2009 PetaLogix
  * Copyright (C) 2007 John Williams <jwilliams@itee.uq.edu.au>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_CPUINFO_H

arch/microblaze/include/asm/cputable.h

-

arch/microblaze/include/asm/current.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2008-2009 PetaLogix
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_CURRENT_H

arch/microblaze/include/asm/delay.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
- * include/asm-microblaze/delay.h
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 2008 Michal Simek
  * Copyright (C) 2007 John Williams
  * Copyright (C) 2006 Atmark Techno, Inc.

arch/microblaze/include/asm/dma.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_DMA_H

arch/microblaze/include/asm/elf.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2008-2009 PetaLogix
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #ifndef _ASM_MICROBLAZE_ELF_H
 #define _ASM_MICROBLAZE_ELF_H

arch/microblaze/include/asm/entry.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Definitions used by low-level trap handlers
  *
  * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2007-2009 PetaLogix
  * Copyright (C) 2007 John Williams <john.williams@petalogix.com>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_ENTRY_H

arch/microblaze/include/asm/exceptions.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Preliminary support for HW exception handing for Microblaze
  *
  * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2008-2009 PetaLogix
  * Copyright (C) 2005 John Williams <jwilliams@itee.uq.edu.au>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_EXCEPTIONS_H

arch/microblaze/include/asm/fixmap.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * fixmap.h: compile-time virtual memory allocation
  *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1998 Ingo Molnar
  *
  * Copyright 2008 Freescale Semiconductor Inc.

arch/microblaze/include/asm/flat.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * uClinux flat-format executables
  *
  * Copyright (C) 2005 John Williams <jwilliams@itee.uq.edu.au>
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_FLAT_H

arch/microblaze/include/asm/hw_irq.h

-

arch/microblaze/include/asm/io.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2007-2009 PetaLogix
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_IO_H

arch/microblaze/include/asm/irq.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_IRQ_H

arch/microblaze/include/asm/irqflags.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_IRQFLAGS_H

arch/microblaze/include/asm/mmu.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2008-2009 PetaLogix
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_MMU_H

arch/microblaze/include/asm/mmu_context_mm.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2008-2009 PetaLogix
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_MMU_CONTEXT_H

arch/microblaze/include/asm/module.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_MODULE_H

arch/microblaze/include/asm/page.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * VM ops
  *
@@ -6,10 +7,6 @@
  * Copyright (C) 2006 Atmark Techno, Inc.
  * Changes for MMU support:
  *    Copyright (C) 2007 Xilinx, Inc.  All rights reserved.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_PAGE_H

arch/microblaze/include/asm/pgalloc.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2008-2009 PetaLogix
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_PGALLOC_H

arch/microblaze/include/asm/pgtable.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2008-2009 PetaLogix
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_PGTABLE_H

arch/microblaze/include/asm/processor.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2008-2009 PetaLogix
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_PROCESSOR_H

arch/microblaze/include/asm/ptrace.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #ifndef _ASM_MICROBLAZE_PTRACE_H
 #define _ASM_MICROBLAZE_PTRACE_H

arch/microblaze/include/asm/pvr.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Support for the MicroBlaze PVR (Processor Version Register)
  *
  * Copyright (C) 2009 - 2011 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2007 John Williams <john.williams@petalogix.com>
  * Copyright (C) 2007 - 2011 PetaLogix
- *
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_PVR_H

arch/microblaze/include/asm/registers.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2008-2009 PetaLogix
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_REGISTERS_H

arch/microblaze/include/asm/sections.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2008-2009 PetaLogix
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_SECTIONS_H

arch/microblaze/include/asm/setup.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2007-2009 PetaLogix
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #ifndef _ASM_MICROBLAZE_SETUP_H
 #define _ASM_MICROBLAZE_SETUP_H
@@ -13,8 +10,6 @@
 #include <uapi/asm/setup.h>
 
 # ifndef __ASSEMBLY__
-extern unsigned int boot_cpuid; /* move to smp.h */
-
 extern char cmd_line[COMMAND_LINE_SIZE];
 
 extern char *klimit;

arch/microblaze/include/asm/string.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_STRING_H

arch/microblaze/include/asm/switch_to.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_SWITCH_TO_H

arch/microblaze/include/asm/thread_info.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_THREAD_INFO_H

arch/microblaze/include/asm/timex.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_TIMEX_H

arch/microblaze/include/asm/tlb.h

-/*
- * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
- * Copyright (C) 2008-2009 PetaLogix
- * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#ifndef _ASM_MICROBLAZE_TLB_H
-#define _ASM_MICROBLAZE_TLB_H
-
-#include <linux/pagemap.h>
-#include <asm-generic/tlb.h>
-
-#endif /* _ASM_MICROBLAZE_TLB_H */

arch/microblaze/include/asm/tlbflush.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2008-2009 PetaLogix
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_TLBFLUSH_H

arch/microblaze/include/asm/uaccess.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2008-2009 PetaLogix
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_UACCESS_H

arch/microblaze/include/asm/unaligned.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2008 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef _ASM_MICROBLAZE_UNALIGNED_H

arch/microblaze/include/asm/unistd.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2007-2008 Michal Simek <monstr@monstr.eu>
  * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 #ifndef _ASM_MICROBLAZE_UNISTD_H
 #define _ASM_MICROBLAZE_UNISTD_H

arch/microblaze/include/asm/unwind.h

+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Backtrace support for Microblaze
  *
  * Copyright (C) 2010  Digital Design Corporation
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
  */
 
 #ifndef __MICROBLAZE_UNWIND_H

arch/microblaze/include/asm/user.h

-

arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c

@@ -22,13 +22,8 @@
 
 #define CI(c, p) { ci->c = PVR_##p(pvr); }
 
-#if defined(CONFIG_EARLY_PRINTK) && defined(CONFIG_SERIAL_UARTLITE_CONSOLE)
 #define err_printk(x) \
-	early_printk("ERROR: Microblaze " x "-different for PVR and DTS\n");
-#else
-#define err_printk(x) \
-	pr_info("ERROR: Microblaze " x "-different for PVR and DTS\n");
-#endif
+	pr_err("ERROR: Microblaze " x "-different for PVR and DTS\n");
 
 void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu)
 {

arch/microblaze/kernel/cpu/pvr.c

@@ -14,6 +14,7 @@
 #include <linux/compiler.h>
 #include <asm/exceptions.h>
 #include <asm/pvr.h>
+#include <linux/irqflags.h>
 
 /*
  * Until we get an assembler that knows about the pvr registers,

arch/microblaze/kernel/entry.S

@@ -958,6 +958,7 @@ ENTRY(_switch_to)
 	nop
 
 ENTRY(_reset)
+	VM_OFF
 	brai	0; /* Jump to reset vector */
 
 	/* These are compiled and loaded into high memory, then

arch/microblaze/kernel/misc.S

@@ -39,7 +39,7 @@ _tlbia_1:
 	rsubi	r11, r12, MICROBLAZE_TLB_SIZE - 1
 	bneid	r11, _tlbia_1 /* loop for all entries */
 	addik	r12, r12, 1
-	/* sync */
+	mbar	1 /* sync */
 	rtsd	r15, 8
 	nop
 	.size  _tlbia, . - _tlbia
@@ -58,6 +58,7 @@ _tlbie:
 	blti	r12, _tlbie_1 /* Check if found */
 	mts	rtlbhi, r0 /* flush: ensure V is clear */
 	nop
+	mbar	1 /* sync */
 _tlbie_1:
 	rtsd	r15, 8
 	nop

arch/microblaze/kernel/setup.c

@@ -41,7 +41,6 @@ DEFINE_PER_CPU(unsigned int, ENTRY_SP);	/* Saved SP on kernel entry */
 DEFINE_PER_CPU(unsigned int, R11_SAVE);	/* Temp variable for entry */
 DEFINE_PER_CPU(unsigned int, CURRENT_SAVE);	/* Saved current pointer */
 
-unsigned int boot_cpuid;
 /*
  * Placed cmd_line to .data section because can be initialized from
  * ASM code. Default position is BSS section which is cleared
@@ -54,7 +53,6 @@ void __init setup_arch(char **cmdline_p)
 	*cmdline_p = boot_command_line;
 
 	setup_memory();
-	parse_early_param();
 
 	console_verbose();
 

arch/microblaze/kernel/timer.c

@@ -161,13 +161,6 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static struct irqaction timer_irqaction = {
-	.handler = timer_interrupt,
-	.flags = IRQF_TIMER,
-	.name = "timer",
-	.dev_id = &clockevent_xilinx_timer,
-};
-
 static __init int xilinx_clockevent_init(void)
 {
 	clockevent_xilinx_timer.mult =
@@ -309,7 +302,8 @@ static int __init xilinx_timer_init(struct device_node *timer)
 
 	freq_div_hz = timer_clock_freq / HZ;
 
-	ret = setup_irq(irq, &timer_irqaction);
+	ret = request_irq(irq, timer_interrupt, IRQF_TIMER, "timer",
+			  &clockevent_xilinx_timer);
 	if (ret) {
 		pr_err("Failed to setup IRQ");
 		return ret;

arch/microblaze/kernel/vmlinux.lds.S

@@ -13,6 +13,7 @@ ENTRY(microblaze_start)
 
 #define RO_EXCEPTION_TABLE_ALIGN	16
 
+#include <asm/cache.h>
 #include <asm/page.h>
 #include <asm-generic/vmlinux.lds.h>
 #include <asm/thread_info.h>
@@ -89,6 +90,8 @@ SECTIONS {
 		_KERNEL_SDA_BASE_ = _ssro + (_ssro_size / 2) ;
 	}
 
+	PERCPU_SECTION(L1_CACHE_BYTES)
+
 	. = ALIGN(PAGE_SIZE);
 	__init_begin = .;
 

arch/microblaze/mm/init.c

@@ -201,18 +201,6 @@ void __init mem_init(void)
 #endif
 
 	mem_init_print_info(NULL);
-#ifdef CONFIG_MMU
-	pr_info("Kernel virtual memory layout:\n");
-	pr_info("  * 0x%08lx..0x%08lx  : fixmap\n", FIXADDR_START, FIXADDR_TOP);
-#ifdef CONFIG_HIGHMEM
-	pr_info("  * 0x%08lx..0x%08lx  : highmem PTEs\n",
-		PKMAP_BASE, PKMAP_ADDR(LAST_PKMAP));
-#endif /* CONFIG_HIGHMEM */
-	pr_info("  * 0x%08lx..0x%08lx  : early ioremap\n",
-		ioremap_bot, ioremap_base);
-	pr_info("  * 0x%08lx..0x%08lx  : vmalloc & ioremap\n",
-		(unsigned long)VMALLOC_START, VMALLOC_END);
-#endif
 	mem_init_done = 1;
 }
 
@@ -347,6 +335,8 @@ asmlinkage void __init mmu_init(void)
 	 * inside 768MB limit */
 	memblock_set_current_limit(memory_start + lowmem_size - 1);
 
+	parse_early_param();
+
 	/* CMA initialization */
 	dma_contiguous_reserve(memory_start + lowmem_size - 1);
 }