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Date: Wed, 28 Jan 2009 23:42:06 +0000
From: Ingo Molnar <mingo@...e.hu>
To: linux-kernel@...r.kernel.org
Cc: "H. Peter Anvin" <hpa@...or.com>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...e.hu>
Subject: [PATCH 060/114] x86, smp: clean up ->trampoline_phys_low/high handling
- spread out the namespace on a per apic driver basis
- remove wrapper macros
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
arch/x86/include/asm/es7000/wakecpu.h | 4 ++--
arch/x86/include/asm/mach-default/mach_wakecpu.h | 4 ++--
arch/x86/include/asm/mach-default/smpboot_hooks.h | 6 +++---
arch/x86/include/asm/mach-generic/mach_wakecpu.h | 2 --
arch/x86/include/asm/numaq/wakecpu.h | 12 ++++++------
arch/x86/mach-generic/bigsmp.c | 4 ++--
arch/x86/mach-generic/default.c | 4 ++--
arch/x86/mach-generic/es7000.c | 4 ++--
arch/x86/mach-generic/numaq.c | 4 ++--
arch/x86/mach-generic/summit.c | 4 ++--
10 files changed, 23 insertions(+), 25 deletions(-)
diff --git a/arch/x86/include/asm/es7000/wakecpu.h b/arch/x86/include/asm/es7000/wakecpu.h
index 78f0daa..4c01be6 100644
--- a/arch/x86/include/asm/es7000/wakecpu.h
+++ b/arch/x86/include/asm/es7000/wakecpu.h
@@ -1,8 +1,8 @@
#ifndef __ASM_ES7000_WAKECPU_H
#define __ASM_ES7000_WAKECPU_H
-#define TRAMPOLINE_PHYS_LOW 0x467
-#define TRAMPOLINE_PHYS_HIGH 0x469
+#define ES7000_TRAMPOLINE_PHYS_LOW 0x467
+#define ES7000_TRAMPOLINE_PHYS_HIGH 0x469
static inline void wait_for_init_deassert(atomic_t *deassert)
{
diff --git a/arch/x86/include/asm/mach-default/mach_wakecpu.h b/arch/x86/include/asm/mach-default/mach_wakecpu.h
index 89897a6..0a8d786 100644
--- a/arch/x86/include/asm/mach-default/mach_wakecpu.h
+++ b/arch/x86/include/asm/mach-default/mach_wakecpu.h
@@ -1,8 +1,8 @@
#ifndef _ASM_X86_MACH_DEFAULT_MACH_WAKECPU_H
#define _ASM_X86_MACH_DEFAULT_MACH_WAKECPU_H
-#define TRAMPOLINE_PHYS_LOW (0x467)
-#define TRAMPOLINE_PHYS_HIGH (0x469)
+#define DEFAULT_TRAMPOLINE_PHYS_LOW (0x467)
+#define DEFAULT_TRAMPOLINE_PHYS_HIGH (0x469)
static inline void wait_for_init_deassert(atomic_t *deassert)
{
diff --git a/arch/x86/include/asm/mach-default/smpboot_hooks.h b/arch/x86/include/asm/mach-default/smpboot_hooks.h
index 23bf521..1def601 100644
--- a/arch/x86/include/asm/mach-default/smpboot_hooks.h
+++ b/arch/x86/include/asm/mach-default/smpboot_hooks.h
@@ -13,10 +13,10 @@ static inline void smpboot_setup_warm_reset_vector(unsigned long start_eip)
CMOS_WRITE(0xa, 0xf);
local_flush_tlb();
pr_debug("1.\n");
- *((volatile unsigned short *)phys_to_virt(TRAMPOLINE_PHYS_HIGH)) =
+ *((volatile unsigned short *)phys_to_virt(apic->trampoline_phys_high)) =
start_eip >> 4;
pr_debug("2.\n");
- *((volatile unsigned short *)phys_to_virt(TRAMPOLINE_PHYS_LOW)) =
+ *((volatile unsigned short *)phys_to_virt(apic->trampoline_phys_low)) =
start_eip & 0xf;
pr_debug("3.\n");
}
@@ -34,7 +34,7 @@ static inline void smpboot_restore_warm_reset_vector(void)
*/
CMOS_WRITE(0, 0xf);
- *((volatile long *)phys_to_virt(TRAMPOLINE_PHYS_LOW)) = 0;
+ *((volatile long *)phys_to_virt(apic->trampoline_phys_low)) = 0;
}
static inline void __init smpboot_setup_io_apic(void)
diff --git a/arch/x86/include/asm/mach-generic/mach_wakecpu.h b/arch/x86/include/asm/mach-generic/mach_wakecpu.h
index 22006bb..2031377 100644
--- a/arch/x86/include/asm/mach-generic/mach_wakecpu.h
+++ b/arch/x86/include/asm/mach-generic/mach_wakecpu.h
@@ -1,8 +1,6 @@
#ifndef _ASM_X86_MACH_GENERIC_MACH_WAKECPU_H
#define _ASM_X86_MACH_GENERIC_MACH_WAKECPU_H
-#define TRAMPOLINE_PHYS_LOW (apic->trampoline_phys_low)
-#define TRAMPOLINE_PHYS_HIGH (apic->trampoline_phys_high)
#define wait_for_init_deassert (apic->wait_for_init_deassert)
#define smp_callin_clear_local_apic (apic->smp_callin_clear_local_apic)
#define store_NMI_vector (apic->store_NMI_vector)
diff --git a/arch/x86/include/asm/numaq/wakecpu.h b/arch/x86/include/asm/numaq/wakecpu.h
index 6f499df..8b6c16d 100644
--- a/arch/x86/include/asm/numaq/wakecpu.h
+++ b/arch/x86/include/asm/numaq/wakecpu.h
@@ -3,8 +3,8 @@
/* This file copes with machines that wakeup secondary CPUs by NMIs */
-#define TRAMPOLINE_PHYS_LOW (0x8)
-#define TRAMPOLINE_PHYS_HIGH (0xa)
+#define NUMAQ_TRAMPOLINE_PHYS_LOW (0x8)
+#define NUMAQ_TRAMPOLINE_PHYS_HIGH (0xa)
/* We don't do anything here because we use NMI's to boot instead */
static inline void wait_for_init_deassert(atomic_t *deassert)
@@ -24,17 +24,17 @@ static inline void store_NMI_vector(unsigned short *high, unsigned short *low)
{
printk("Storing NMI vector\n");
*high =
- *((volatile unsigned short *)phys_to_virt(TRAMPOLINE_PHYS_HIGH));
+ *((volatile unsigned short *)phys_to_virt(NUMAQ_TRAMPOLINE_PHYS_HIGH));
*low =
- *((volatile unsigned short *)phys_to_virt(TRAMPOLINE_PHYS_LOW));
+ *((volatile unsigned short *)phys_to_virt(NUMAQ_TRAMPOLINE_PHYS_LOW));
}
static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
{
printk("Restoring NMI vector\n");
- *((volatile unsigned short *)phys_to_virt(TRAMPOLINE_PHYS_HIGH)) =
+ *((volatile unsigned short *)phys_to_virt(NUMAQ_TRAMPOLINE_PHYS_HIGH)) =
*high;
- *((volatile unsigned short *)phys_to_virt(TRAMPOLINE_PHYS_LOW)) =
+ *((volatile unsigned short *)phys_to_virt(NUMAQ_TRAMPOLINE_PHYS_LOW)) =
*low;
}
diff --git a/arch/x86/mach-generic/bigsmp.c b/arch/x86/mach-generic/bigsmp.c
index 4782b55..a317fbe 100644
--- a/arch/x86/mach-generic/bigsmp.c
+++ b/arch/x86/mach-generic/bigsmp.c
@@ -104,8 +104,8 @@ struct genapic apic_bigsmp = {
.send_IPI_self = NULL,
.wakeup_cpu = NULL,
- .trampoline_phys_low = TRAMPOLINE_PHYS_LOW,
- .trampoline_phys_high = TRAMPOLINE_PHYS_HIGH,
+ .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW,
+ .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH,
.wait_for_init_deassert = wait_for_init_deassert,
.smp_callin_clear_local_apic = smp_callin_clear_local_apic,
.store_NMI_vector = store_NMI_vector,
diff --git a/arch/x86/mach-generic/default.c b/arch/x86/mach-generic/default.c
index bf4670d..17d8f9c 100644
--- a/arch/x86/mach-generic/default.c
+++ b/arch/x86/mach-generic/default.c
@@ -85,8 +85,8 @@ struct genapic apic_default = {
.send_IPI_self = NULL,
.wakeup_cpu = NULL,
- .trampoline_phys_low = TRAMPOLINE_PHYS_LOW,
- .trampoline_phys_high = TRAMPOLINE_PHYS_HIGH,
+ .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW,
+ .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH,
.wait_for_init_deassert = wait_for_init_deassert,
.smp_callin_clear_local_apic = smp_callin_clear_local_apic,
.store_NMI_vector = store_NMI_vector,
diff --git a/arch/x86/mach-generic/es7000.c b/arch/x86/mach-generic/es7000.c
index d36642e..871e854 100644
--- a/arch/x86/mach-generic/es7000.c
+++ b/arch/x86/mach-generic/es7000.c
@@ -140,8 +140,8 @@ struct genapic apic_es7000 = {
.send_IPI_self = NULL,
.wakeup_cpu = NULL,
- .trampoline_phys_low = TRAMPOLINE_PHYS_LOW,
- .trampoline_phys_high = TRAMPOLINE_PHYS_HIGH,
+ .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW,
+ .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH,
.wait_for_init_deassert = wait_for_init_deassert,
.smp_callin_clear_local_apic = smp_callin_clear_local_apic,
.store_NMI_vector = store_NMI_vector,
diff --git a/arch/x86/mach-generic/numaq.c b/arch/x86/mach-generic/numaq.c
index 135b183..0b496ab 100644
--- a/arch/x86/mach-generic/numaq.c
+++ b/arch/x86/mach-generic/numaq.c
@@ -104,8 +104,8 @@ struct genapic apic_numaq = {
.send_IPI_self = NULL,
.wakeup_cpu = NULL,
- .trampoline_phys_low = TRAMPOLINE_PHYS_LOW,
- .trampoline_phys_high = TRAMPOLINE_PHYS_HIGH,
+ .trampoline_phys_low = NUMAQ_TRAMPOLINE_PHYS_LOW,
+ .trampoline_phys_high = NUMAQ_TRAMPOLINE_PHYS_HIGH,
.wait_for_init_deassert = wait_for_init_deassert,
.smp_callin_clear_local_apic = smp_callin_clear_local_apic,
.store_NMI_vector = store_NMI_vector,
diff --git a/arch/x86/mach-generic/summit.c b/arch/x86/mach-generic/summit.c
index 77196a4..c4799cd 100644
--- a/arch/x86/mach-generic/summit.c
+++ b/arch/x86/mach-generic/summit.c
@@ -84,8 +84,8 @@ struct genapic apic_summit = {
.send_IPI_self = NULL,
.wakeup_cpu = NULL,
- .trampoline_phys_low = TRAMPOLINE_PHYS_LOW,
- .trampoline_phys_high = TRAMPOLINE_PHYS_HIGH,
+ .trampoline_phys_low = DEFAULT_TRAMPOLINE_PHYS_LOW,
+ .trampoline_phys_high = DEFAULT_TRAMPOLINE_PHYS_HIGH,
.wait_for_init_deassert = wait_for_init_deassert,
.smp_callin_clear_local_apic = smp_callin_clear_local_apic,
.store_NMI_vector = store_NMI_vector,
--
1.6.0.2
--
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