aboutsummaryrefslogtreecommitdiff
path: root/arch/i386
diff options
context:
space:
mode:
Diffstat (limited to 'arch/i386')
-rw-r--r--arch/i386/kernel/alternative.c21
-rw-r--r--arch/i386/kernel/cpu/cpufreq/longhaul.c2
-rw-r--r--arch/i386/kernel/nmi.c17
-rw-r--r--arch/i386/kernel/vmi.c9
-rw-r--r--arch/i386/kernel/vmlinux.lds.S2
5 files changed, 19 insertions, 32 deletions
diff --git a/arch/i386/kernel/alternative.c b/arch/i386/kernel/alternative.c
index 9eca21b49f6..426f59b0106 100644
--- a/arch/i386/kernel/alternative.c
+++ b/arch/i386/kernel/alternative.c
@@ -5,15 +5,9 @@
#include <asm/alternative.h>
#include <asm/sections.h>
-static int no_replacement = 0;
static int smp_alt_once = 0;
static int debug_alternative = 0;
-static int __init noreplacement_setup(char *s)
-{
- no_replacement = 1;
- return 1;
-}
static int __init bootonly(char *str)
{
smp_alt_once = 1;
@@ -25,7 +19,6 @@ static int __init debug_alt(char *str)
return 1;
}
-__setup("noreplacement", noreplacement_setup);
__setup("smp-alt-boot", bootonly);
__setup("debug-alternative", debug_alt);
@@ -252,9 +245,6 @@ void alternatives_smp_module_add(struct module *mod, char *name,
struct smp_alt_module *smp;
unsigned long flags;
- if (no_replacement)
- return;
-
if (smp_alt_once) {
if (boot_cpu_has(X86_FEATURE_UP))
alternatives_smp_unlock(locks, locks_end,
@@ -289,7 +279,7 @@ void alternatives_smp_module_del(struct module *mod)
struct smp_alt_module *item;
unsigned long flags;
- if (no_replacement || smp_alt_once)
+ if (smp_alt_once)
return;
spin_lock_irqsave(&smp_alt, flags);
@@ -320,7 +310,7 @@ void alternatives_smp_switch(int smp)
return;
#endif
- if (no_replacement || smp_alt_once)
+ if (smp_alt_once)
return;
BUG_ON(!smp && (num_online_cpus() > 1));
@@ -386,13 +376,6 @@ extern struct paravirt_patch __start_parainstructions[],
void __init alternative_instructions(void)
{
unsigned long flags;
- if (no_replacement) {
- printk(KERN_INFO "(SMP-)alternatives turned off\n");
- free_init_pages("SMP alternatives",
- (unsigned long)__smp_alt_begin,
- (unsigned long)__smp_alt_end);
- return;
- }
local_irq_save(flags);
apply_alternatives(__alt_instructions, __alt_instructions_end);
diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c
index a1f1b715bcf..2b030d6ccbf 100644
--- a/arch/i386/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c
@@ -758,7 +758,7 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
NULL, (void *)&pr);
/* Check ACPI support for C3 state */
- if (pr != NULL && longhaul_version != TYPE_LONGHAUL_V1) {
+ if (pr != NULL && longhaul_version == TYPE_POWERSAVER) {
cx = &pr->power.states[ACPI_STATE_C3];
if (cx->address > 0 && cx->latency <= 1000) {
longhaul_flags |= USE_ACPI_C3;
diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c
index a98ba88a8c0..84c3497efb6 100644
--- a/arch/i386/kernel/nmi.c
+++ b/arch/i386/kernel/nmi.c
@@ -41,16 +41,17 @@ int nmi_watchdog_enabled;
* different subsystems this reservation system just tries to coordinate
* things a little
*/
-static DEFINE_PER_CPU(unsigned long, perfctr_nmi_owner);
-static DEFINE_PER_CPU(unsigned long, evntsel_nmi_owner[3]);
-
-static cpumask_t backtrace_mask = CPU_MASK_NONE;
/* this number is calculated from Intel's MSR_P4_CRU_ESCR5 register and it's
* offset from MSR_P4_BSU_ESCR0. It will be the max for all platforms (for now)
*/
#define NMI_MAX_COUNTER_BITS 66
+#define NMI_MAX_COUNTER_LONGS BITS_TO_LONGS(NMI_MAX_COUNTER_BITS)
+static DEFINE_PER_CPU(unsigned long, perfctr_nmi_owner[NMI_MAX_COUNTER_LONGS]);
+static DEFINE_PER_CPU(unsigned long, evntsel_nmi_owner[NMI_MAX_COUNTER_LONGS]);
+
+static cpumask_t backtrace_mask = CPU_MASK_NONE;
/* nmi_active:
* >0: the lapic NMI watchdog is active, but can be disabled
* <0: the lapic NMI watchdog has not been set up, and cannot
@@ -125,7 +126,7 @@ int avail_to_resrv_perfctr_nmi_bit(unsigned int counter)
int cpu;
BUG_ON(counter > NMI_MAX_COUNTER_BITS);
for_each_possible_cpu (cpu) {
- if (test_bit(counter, &per_cpu(perfctr_nmi_owner, cpu)))
+ if (test_bit(counter, &per_cpu(perfctr_nmi_owner, cpu)[0]))
return 0;
}
return 1;
@@ -141,7 +142,7 @@ int avail_to_resrv_perfctr_nmi(unsigned int msr)
BUG_ON(counter > NMI_MAX_COUNTER_BITS);
for_each_possible_cpu (cpu) {
- if (test_bit(counter, &per_cpu(perfctr_nmi_owner, cpu)))
+ if (test_bit(counter, &per_cpu(perfctr_nmi_owner, cpu)[0]))
return 0;
}
return 1;
@@ -156,7 +157,7 @@ static int __reserve_perfctr_nmi(int cpu, unsigned int msr)
counter = nmi_perfctr_msr_to_bit(msr);
BUG_ON(counter > NMI_MAX_COUNTER_BITS);
- if (!test_and_set_bit(counter, &per_cpu(perfctr_nmi_owner, cpu)))
+ if (!test_and_set_bit(counter, &per_cpu(perfctr_nmi_owner, cpu)[0]))
return 1;
return 0;
}
@@ -170,7 +171,7 @@ static void __release_perfctr_nmi(int cpu, unsigned int msr)
counter = nmi_perfctr_msr_to_bit(msr);
BUG_ON(counter > NMI_MAX_COUNTER_BITS);
- clear_bit(counter, &per_cpu(perfctr_nmi_owner, cpu));
+ clear_bit(counter, &per_cpu(perfctr_nmi_owner, cpu)[0]);
}
int reserve_perfctr_nmi(unsigned int msr)
diff --git a/arch/i386/kernel/vmi.c b/arch/i386/kernel/vmi.c
index edc339fa503..697a70e8c0c 100644
--- a/arch/i386/kernel/vmi.c
+++ b/arch/i386/kernel/vmi.c
@@ -712,11 +712,14 @@ static void *vmi_get_function(int vmicall)
do { \
reloc = call_vrom_long_func(vmi_rom, get_reloc, \
VMI_CALL_##vmicall); \
- if (rel->type != VMI_RELOCATION_NONE) { \
- BUG_ON(rel->type != VMI_RELOCATION_CALL_REL); \
+ if (rel->type == VMI_RELOCATION_CALL_REL) \
paravirt_ops.opname = (void *)rel->eip; \
- } else if (rel->type == VMI_RELOCATION_NOP) \
+ else if (rel->type == VMI_RELOCATION_NOP) \
paravirt_ops.opname = (void *)vmi_nop; \
+ else if (rel->type != VMI_RELOCATION_NONE) \
+ printk(KERN_WARNING "VMI: Unknown relocation " \
+ "type %d for " #vmicall"\n",\
+ rel->type); \
} while (0)
/*
diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S
index ca51610955d..6f38f818380 100644
--- a/arch/i386/kernel/vmlinux.lds.S
+++ b/arch/i386/kernel/vmlinux.lds.S
@@ -26,7 +26,7 @@ OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
OUTPUT_ARCH(i386)
ENTRY(phys_startup_32)
jiffies = jiffies_64;
-_proxy_pda = 0;
+_proxy_pda = 1;
PHDRS {
text PT_LOAD FLAGS(5); /* R_E */
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-12 16:19:12 +0000