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Message-Id: <20190722105219.434738036@linutronix.de>
Date: Mon, 22 Jul 2019 20:47:12 +0200
From: Thomas Gleixner <tglx@...utronix.de>
To: LKML <linux-kernel@...r.kernel.org>
Cc: x86@...nel.org, Nadav Amit <namit@...are.com>,
Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>,
Stephane Eranian <eranian@...gle.com>,
Feng Tang <feng.tang@...el.com>,
Andrew Cooper <andrew.cooper3@...rix.com>
Subject: [patch V3 07/25] x86/apic: Move ipi header into apic directory
Only used locally.
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
arch/x86/include/asm/ipi.h | 90 -----------------------------------
arch/x86/kernel/apic/apic_flat_64.c | 3 -
arch/x86/kernel/apic/apic_numachip.c | 3 -
arch/x86/kernel/apic/bigsmp_32.c | 9 ---
arch/x86/kernel/apic/ipi.c | 3 -
arch/x86/kernel/apic/ipi.h | 90 +++++++++++++++++++++++++++++++++++
arch/x86/kernel/apic/probe_32.c | 3 -
arch/x86/kernel/apic/probe_64.c | 3 -
arch/x86/kernel/apic/x2apic_phys.c | 3 -
9 files changed, 103 insertions(+), 104 deletions(-)
--- a/arch/x86/include/asm/ipi.h
+++ /dev/null
@@ -1,90 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-#ifndef _ASM_X86_IPI_H
-#define _ASM_X86_IPI_H
-
-#ifdef CONFIG_X86_LOCAL_APIC
-
-/*
- * Copyright 2004 James Cleverdon, IBM.
- *
- * Generic APIC InterProcessor Interrupt code.
- *
- * Moved to include file by James Cleverdon from
- * arch/x86-64/kernel/smp.c
- *
- * Copyrights from kernel/smp.c:
- *
- * (c) 1995 Alan Cox, Building #3 <alan@...hat.com>
- * (c) 1998-99, 2000 Ingo Molnar <mingo@...hat.com>
- * (c) 2002,2003 Andi Kleen, SuSE Labs.
- */
-
-#include <asm/hw_irq.h>
-#include <asm/apic.h>
-#include <asm/smp.h>
-
-/*
- * the following functions deal with sending IPIs between CPUs.
- *
- * We use 'broadcast', CPU->CPU IPIs and self-IPIs too.
- */
-
-static inline unsigned int __prepare_ICR(unsigned int shortcut, int vector,
- unsigned int dest)
-{
- unsigned int icr = shortcut | dest;
-
- switch (vector) {
- default:
- icr |= APIC_DM_FIXED | vector;
- break;
- case NMI_VECTOR:
- icr |= APIC_DM_NMI;
- break;
- }
- return icr;
-}
-
-static inline int __prepare_ICR2(unsigned int mask)
-{
- return SET_APIC_DEST_FIELD(mask);
-}
-
-static inline void __xapic_wait_icr_idle(void)
-{
- while (native_apic_mem_read(APIC_ICR) & APIC_ICR_BUSY)
- cpu_relax();
-}
-
-void __default_send_IPI_shortcut(unsigned int shortcut, int vector, unsigned int dest);
-
-/*
- * This is used to send an IPI with no shorthand notation (the destination is
- * specified in bits 56 to 63 of the ICR).
- */
-void __default_send_IPI_dest_field(unsigned int mask, int vector, unsigned int dest);
-
-extern void default_send_IPI_single(int cpu, int vector);
-extern void default_send_IPI_single_phys(int cpu, int vector);
-extern void default_send_IPI_mask_sequence_phys(const struct cpumask *mask,
- int vector);
-extern void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask,
- int vector);
-
-extern int no_broadcast;
-
-#ifdef CONFIG_X86_32
-extern void default_send_IPI_mask_sequence_logical(const struct cpumask *mask,
- int vector);
-extern void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask,
- int vector);
-extern void default_send_IPI_mask_logical(const struct cpumask *mask,
- int vector);
-extern void default_send_IPI_allbutself(int vector);
-extern void default_send_IPI_all(int vector);
-extern void default_send_IPI_self(int vector);
-#endif
-
-#endif
-
-#endif /* _ASM_X86_IPI_H */
--- a/arch/x86/kernel/apic/apic_flat_64.c
+++ b/arch/x86/kernel/apic/apic_flat_64.c
@@ -15,7 +15,8 @@
#include <asm/jailhouse_para.h>
#include <asm/apic_flat_64.h>
#include <asm/apic.h>
-#include <asm/ipi.h>
+
+#include "ipi.h"
static struct apic apic_physflat;
static struct apic apic_flat;
--- a/arch/x86/kernel/apic/apic_numachip.c
+++ b/arch/x86/kernel/apic/apic_numachip.c
@@ -18,7 +18,8 @@
#include <asm/apic_flat_64.h>
#include <asm/pgtable.h>
-#include <asm/ipi.h>
+
+#include "ipi.h"
u8 numachip_system __read_mostly;
static const struct apic apic_numachip1;
--- a/arch/x86/kernel/apic/bigsmp_32.c
+++ b/arch/x86/kernel/apic/bigsmp_32.c
@@ -4,18 +4,13 @@
*
* Drives the local APIC in "clustered mode".
*/
-#include <linux/threads.h>
#include <linux/cpumask.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/dmi.h>
#include <linux/smp.h>
-#include <asm/apicdef.h>
-#include <asm/fixmap.h>
-#include <asm/mpspec.h>
#include <asm/apic.h>
-#include <asm/ipi.h>
+
+#include "ipi.h"
static unsigned bigsmp_get_apic_id(unsigned long x)
{
--- a/arch/x86/kernel/apic/ipi.c
+++ b/arch/x86/kernel/apic/ipi.c
@@ -3,7 +3,8 @@
#include <linux/cpumask.h>
#include <asm/apic.h>
-#include <asm/ipi.h>
+
+#include "ipi.h"
void __default_send_IPI_shortcut(unsigned int shortcut, int vector, unsigned int dest)
{
--- /dev/null
+++ b/arch/x86/kernel/apic/ipi.h
@@ -0,0 +1,90 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _ASM_X86_IPI_H
+#define _ASM_X86_IPI_H
+
+#ifdef CONFIG_X86_LOCAL_APIC
+
+/*
+ * Copyright 2004 James Cleverdon, IBM.
+ *
+ * Generic APIC InterProcessor Interrupt code.
+ *
+ * Moved to include file by James Cleverdon from
+ * arch/x86-64/kernel/smp.c
+ *
+ * Copyrights from kernel/smp.c:
+ *
+ * (c) 1995 Alan Cox, Building #3 <alan@...hat.com>
+ * (c) 1998-99, 2000 Ingo Molnar <mingo@...hat.com>
+ * (c) 2002,2003 Andi Kleen, SuSE Labs.
+ */
+
+#include <asm/hw_irq.h>
+#include <asm/apic.h>
+#include <asm/smp.h>
+
+/*
+ * the following functions deal with sending IPIs between CPUs.
+ *
+ * We use 'broadcast', CPU->CPU IPIs and self-IPIs too.
+ */
+
+static inline unsigned int __prepare_ICR(unsigned int shortcut, int vector,
+ unsigned int dest)
+{
+ unsigned int icr = shortcut | dest;
+
+ switch (vector) {
+ default:
+ icr |= APIC_DM_FIXED | vector;
+ break;
+ case NMI_VECTOR:
+ icr |= APIC_DM_NMI;
+ break;
+ }
+ return icr;
+}
+
+static inline int __prepare_ICR2(unsigned int mask)
+{
+ return SET_APIC_DEST_FIELD(mask);
+}
+
+static inline void __xapic_wait_icr_idle(void)
+{
+ while (native_apic_mem_read(APIC_ICR) & APIC_ICR_BUSY)
+ cpu_relax();
+}
+
+void __default_send_IPI_shortcut(unsigned int shortcut, int vector, unsigned int dest);
+
+/*
+ * This is used to send an IPI with no shorthand notation (the destination is
+ * specified in bits 56 to 63 of the ICR).
+ */
+void __default_send_IPI_dest_field(unsigned int mask, int vector, unsigned int dest);
+
+extern void default_send_IPI_single(int cpu, int vector);
+extern void default_send_IPI_single_phys(int cpu, int vector);
+extern void default_send_IPI_mask_sequence_phys(const struct cpumask *mask,
+ int vector);
+extern void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask,
+ int vector);
+
+extern int no_broadcast;
+
+#ifdef CONFIG_X86_32
+extern void default_send_IPI_mask_sequence_logical(const struct cpumask *mask,
+ int vector);
+extern void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask,
+ int vector);
+extern void default_send_IPI_mask_logical(const struct cpumask *mask,
+ int vector);
+extern void default_send_IPI_allbutself(int vector);
+extern void default_send_IPI_all(int vector);
+extern void default_send_IPI_self(int vector);
+#endif
+
+#endif
+
+#endif /* _ASM_X86_IPI_H */
--- a/arch/x86/kernel/apic/probe_32.c
+++ b/arch/x86/kernel/apic/probe_32.c
@@ -11,7 +11,8 @@
#include <asm/apic.h>
#include <asm/acpi.h>
-#include <asm/ipi.h>
+
+#include "ipi.h"
#ifdef CONFIG_HOTPLUG_CPU
#define DEFAULT_SEND_IPI (1)
--- a/arch/x86/kernel/apic/probe_64.c
+++ b/arch/x86/kernel/apic/probe_64.c
@@ -9,7 +9,8 @@
* James Cleverdon.
*/
#include <asm/apic.h>
-#include <asm/ipi.h>
+
+#include "ipi.h"
/*
* Check the APIC IDs in bios_cpu_apicid and choose the APIC mode.
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -3,9 +3,8 @@
#include <linux/cpumask.h>
#include <linux/acpi.h>
-#include <asm/ipi.h>
-
#include "x2apic.h"
+#include "ipi.h"
int x2apic_phys;
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