This is a note to let you know that I've just added the patch titled
mips/cpu: Switch to arch_cpu_finalize_init()
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mips-cpu-switch-to-arch_cpu_finalize_init.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 2bedb079d39e87a51a6af0a9606dbd147a9bbfde Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Date: Wed, 14 Jun 2023 01:39:32 +0200
Subject: mips/cpu: Switch to arch_cpu_finalize_init()
From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
commit 7f066a22fe353a827a402ee2835e81f045b1574d upstream
check_bugs() is about to be phased out. Switch over to the new
arch_cpu_finalize_init() implementation.
No functional change.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20230613224545.312438573@xxxxxxxxxxxxx
Signed-off-by: Daniel Sneddon <daniel.sneddon@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/mips/Kconfig | 1 +
arch/mips/include/asm/bugs.h | 17 -----------------
arch/mips/kernel/setup.c | 13 +++++++++++++
3 files changed, 14 insertions(+), 17 deletions(-)
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -5,6 +5,7 @@ config MIPS
select ARCH_32BIT_OFF_T if !64BIT
select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
select ARCH_CLOCKSOURCE_DATA
+ select ARCH_HAS_CPU_FINALIZE_INIT
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAS_UBSAN_SANITIZE_ALL
select ARCH_SUPPORTS_UPROBES
--- a/arch/mips/include/asm/bugs.h
+++ b/arch/mips/include/asm/bugs.h
@@ -1,17 +1,11 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
- * This is included by init/main.c to check for architecture-dependent bugs.
- *
* Copyright (C) 2007 Maciej W. Rozycki
- *
- * Needs:
- * void check_bugs(void);
*/
#ifndef _ASM_BUGS_H
#define _ASM_BUGS_H
#include <linux/bug.h>
-#include <linux/delay.h>
#include <linux/smp.h>
#include <asm/cpu.h>
@@ -31,17 +25,6 @@ static inline void check_bugs_early(void
#endif
}
-static inline void check_bugs(void)
-{
- unsigned int cpu = smp_processor_id();
-
- cpu_data[cpu].udelay_val = loops_per_jiffy;
- check_bugs32();
-#ifdef CONFIG_64BIT
- check_bugs64();
-#endif
-}
-
static inline int r4k_daddiu_bug(void)
{
#ifdef CONFIG_64BIT
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -11,6 +11,8 @@
* Copyright (C) 2000, 2001, 2002, 2007 Maciej W. Rozycki
*/
#include <linux/init.h>
+#include <linux/cpu.h>
+#include <linux/delay.h>
#include <linux/ioport.h>
#include <linux/export.h>
#include <linux/screen_info.h>
@@ -812,3 +814,14 @@ static int __init setnocoherentio(char *
}
early_param("nocoherentio", setnocoherentio);
#endif
+
+void __init arch_cpu_finalize_init(void)
+{
+ unsigned int cpu = smp_processor_id();
+
+ cpu_data[cpu].udelay_val = loops_per_jiffy;
+ check_bugs32();
+
+ if (IS_ENABLED(CONFIG_CPU_R4X00_BUGS64))
+ check_bugs64();
+}
Patches currently in stable-queue which might be from tglx@xxxxxxxxxxxxx are
queue-5.4/x86-cpu-switch-to-arch_cpu_finalize_init.patch
queue-5.4/arm-cpu-switch-to-arch_cpu_finalize_init.patch
queue-5.4/um-cpu-switch-to-arch_cpu_finalize_init.patch
queue-5.4/mips-cpu-switch-to-arch_cpu_finalize_init.patch
queue-5.4/init-x86-move-mem_encrypt_init-into-arch_cpu_finalize_init.patch
queue-5.4/sh-cpu-switch-to-arch_cpu_finalize_init.patch
queue-5.4/init-invoke-arch_cpu_finalize_init-earlier.patch
queue-5.4/x86-xen-fix-secondary-processors-fpu-initialization.patch
queue-5.4/x86-fpu-move-fpu-initialization-into-arch_cpu_finalize_init.patch
queue-5.4/init-remove-check_bugs-leftovers.patch
queue-5.4/init-provide-arch_cpu_finalize_init.patch
queue-5.4/m68k-cpu-switch-to-arch_cpu_finalize_init.patch
queue-5.4/sparc-cpu-switch-to-arch_cpu_finalize_init.patch
queue-5.4/x86-fpu-mark-init-functions-__init.patch
queue-5.4/ia64-cpu-switch-to-arch_cpu_finalize_init.patch
queue-5.4/x86-fpu-remove-cpuinfo-argument-from-init-functions.patch
