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-rw-r--r--arch/x86_64/kernel/io_apic.c12
-rw-r--r--arch/x86_64/kernel/mpparse.c1
-rw-r--r--arch/x86_64/kernel/ptrace.c4
-rw-r--r--arch/x86_64/kernel/setup.c25
-rw-r--r--arch/x86_64/kernel/signal.c5
-rw-r--r--arch/x86_64/kernel/smpboot.c1
-rw-r--r--arch/x86_64/kernel/time.c2
-rw-r--r--arch/x86_64/kernel/traps.c2
-rw-r--r--arch/x86_64/kernel/x8664_ksyms.c3
9 files changed, 37 insertions, 18 deletions
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index ac768432495..afd87e64d0a 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -37,11 +37,14 @@
#include <asm/desc.h>
#include <asm/proto.h>
#include <asm/mach_apic.h>
+#include <asm/acpi.h>
#define __apicdebuginit __init
int sis_apic_bug; /* not actually supported, dummy for compile */
+static int no_timer_check;
+
static DEFINE_SPINLOCK(ioapic_lock);
/*
@@ -1601,7 +1604,7 @@ static inline void check_timer(void)
* Ok, does IRQ0 through the IOAPIC work?
*/
unmask_IO_APIC_irq(0);
- if (timer_irq_works()) {
+ if (!no_timer_check && timer_irq_works()) {
nmi_watchdog_default();
if (nmi_watchdog == NMI_IO_APIC) {
disable_8259A_irq(0);
@@ -1671,6 +1674,13 @@ static inline void check_timer(void)
panic("IO-APIC + timer doesn't work! Try using the 'noapic' kernel parameter\n");
}
+static int __init notimercheck(char *s)
+{
+ no_timer_check = 1;
+ return 1;
+}
+__setup("no_timer_check", notimercheck);
+
/*
*
* IRQ's that are handled by the PIC in the MPS IOAPIC case.
diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c
index f86d9db94bf..61a63be6b29 100644
--- a/arch/x86_64/kernel/mpparse.c
+++ b/arch/x86_64/kernel/mpparse.c
@@ -30,6 +30,7 @@
#include <asm/pgalloc.h>
#include <asm/io_apic.h>
#include <asm/proto.h>
+#include <asm/acpi.h>
/* Have we found an MP table */
int smp_found_config;
diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c
index 60dc9b98951..525f6a128a2 100644
--- a/arch/x86_64/kernel/ptrace.c
+++ b/arch/x86_64/kernel/ptrace.c
@@ -380,7 +380,7 @@ asmlinkage long sys_ptrace(long request, long pid, unsigned long addr, long data
break;
switch (addr) {
- case 0 ... sizeof(struct user_regs_struct):
+ case 0 ... sizeof(struct user_regs_struct) - sizeof(long):
tmp = getreg(child, addr);
break;
case offsetof(struct user, u_debugreg[0]):
@@ -425,7 +425,7 @@ asmlinkage long sys_ptrace(long request, long pid, unsigned long addr, long data
break;
switch (addr) {
- case 0 ... sizeof(struct user_regs_struct):
+ case 0 ... sizeof(struct user_regs_struct) - sizeof(long):
ret = putreg(child, addr, data);
break;
/* Disallows to set a breakpoint into the vsyscall */
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index b9fd0252c27..99f038ede23 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -719,7 +719,6 @@ static void __init display_cacheinfo(struct cpuinfo_x86 *c)
}
}
-#ifdef CONFIG_SMP
/*
* On a AMD dual core setup the lower bits of the APIC id distingush the cores.
* Assumes number of cores is a power of two.
@@ -729,16 +728,24 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
#ifdef CONFIG_SMP
int cpu = smp_processor_id();
int node = 0;
+ unsigned bits;
if (c->x86_num_cores == 1)
return;
- /* Fix up the APIC ID following the AMD specification. */
- cpu_core_id[cpu] >>= hweight32(c->x86_num_cores - 1);
+
+ bits = 0;
+ while ((1 << bits) < c->x86_num_cores)
+ bits++;
+
+ /* Low order bits define the core id (index of core in socket) */
+ cpu_core_id[cpu] = phys_proc_id[cpu] & ((1 << bits)-1);
+ /* Convert the APIC ID into the socket ID */
+ phys_proc_id[cpu] >>= bits;
#ifdef CONFIG_NUMA
/* When an ACPI SRAT table is available use the mappings from SRAT
instead. */
if (acpi_numa <= 0) {
- node = cpu_core_id[cpu];
+ node = phys_proc_id[cpu];
if (!node_online(node))
node = first_node(node_online_map);
cpu_to_node[cpu] = node;
@@ -746,18 +753,11 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
node = cpu_to_node[cpu];
}
#endif
- /* For now: - better than BAD_APIC_ID at least*/
- phys_proc_id[cpu] = cpu_core_id[cpu];
printk(KERN_INFO "CPU %d(%d) -> Node %d -> Core %d\n",
cpu, c->x86_num_cores, node, cpu_core_id[cpu]);
#endif
}
-#else
-static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
-{
-}
-#endif
static int __init init_amd(struct cpuinfo_x86 *c)
{
@@ -963,8 +963,7 @@ void __init early_identify_cpu(struct cpuinfo_x86 *c)
}
#ifdef CONFIG_SMP
- phys_proc_id[smp_processor_id()] =
- cpu_core_id[smp_processor_id()] = (cpuid_ebx(1) >> 24) & 0xff;
+ phys_proc_id[smp_processor_id()] = (cpuid_ebx(1) >> 24) & 0xff;
#endif
}
diff --git a/arch/x86_64/kernel/signal.c b/arch/x86_64/kernel/signal.c
index d439ced150c..429c0269dc4 100644
--- a/arch/x86_64/kernel/signal.c
+++ b/arch/x86_64/kernel/signal.c
@@ -28,6 +28,7 @@
#include <asm/uaccess.h>
#include <asm/i387.h>
#include <asm/proto.h>
+#include <asm/ia32_unistd.h>
/* #define DEBUG_SIG 1 */
@@ -452,7 +453,9 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
regs->rip -= 2;
}
if (regs->rax == (unsigned long)-ERESTART_RESTARTBLOCK) {
- regs->rax = __NR_restart_syscall;
+ regs->rax = test_thread_flag(TIF_IA32) ?
+ __NR_ia32_restart_syscall :
+ __NR_restart_syscall;
regs->rip -= 2;
}
}
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index 5abdee1e16a..f1ec0f34594 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -94,6 +94,7 @@ int smp_threads_ready;
cpumask_t cpu_sibling_map[NR_CPUS] __cacheline_aligned;
cpumask_t cpu_core_map[NR_CPUS] __cacheline_aligned;
+EXPORT_SYMBOL(cpu_core_map);
/*
* Trampoline 80x86 program as an array.
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index 735b6767c8e..fb8c809b4cd 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -27,7 +27,9 @@
#include <linux/bcd.h>
#include <linux/kallsyms.h>
#include <linux/acpi.h>
+#ifdef CONFIG_ACPI
#include <acpi/achware.h> /* for PM timer frequency */
+#endif
#include <asm/8253pit.h>
#include <asm/pgtable.h>
#include <asm/vsyscall.h>
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index 65a37f52c56..3dfec8fdabc 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -332,10 +332,12 @@ void handle_BUG(struct pt_regs *regs)
printk(KERN_ALERT "Kernel BUG at %.50s:%d\n", f.filename, f.line);
}
+#ifdef CONFIG_BUG
void out_of_line_bug(void)
{
BUG();
}
+#endif
static DEFINE_SPINLOCK(die_lock);
static int die_owner = -1;
diff --git a/arch/x86_64/kernel/x8664_ksyms.c b/arch/x86_64/kernel/x8664_ksyms.c
index a43dedb58fa..68ec03070e5 100644
--- a/arch/x86_64/kernel/x8664_ksyms.c
+++ b/arch/x86_64/kernel/x8664_ksyms.c
@@ -193,8 +193,9 @@ EXPORT_SYMBOL(smp_num_siblings);
extern void do_softirq_thunk(void);
EXPORT_SYMBOL(do_softirq_thunk);
-void out_of_line_bug(void);
+#ifdef CONFIG_BUG
EXPORT_SYMBOL(out_of_line_bug);
+#endif
EXPORT_SYMBOL(init_level4_pgt);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-04 02:12:52 +0000