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x86: misc clean up after the percpu update

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Do the following cleanups:

* kill x86_64_init_pda() which now is equivalent to pda_init()

* use per_cpu_offset() instead of cpu_pda() when initializing
  initial_gs

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Tejun Heo
2009-01-13 20:41:35 +09:00
committed by Ingo Molnar
parent 49357d19e4
commit 004aa322f8
5 changed files with 4 additions and 10 deletions
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arch/x86/include/asm/setup.h
-1
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@@ -100,7 +100,6 @@ extern unsigned long init_pg_tables_start;
extern unsigned long init_pg_tables_end; extern unsigned long init_pg_tables_end;
#else #else
void __init x86_64_init_pda(void);
void __init x86_64_start_kernel(char *real_mode); void __init x86_64_start_kernel(char *real_mode);
void __init x86_64_start_reservations(char *real_mode_data); void __init x86_64_start_reservations(char *real_mode_data);
arch/x86/kernel/acpi/sleep.c
+1 -1
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@@ -101,7 +101,7 @@ int acpi_save_state_mem(void)
stack_start.sp = temp_stack + sizeof(temp_stack); stack_start.sp = temp_stack + sizeof(temp_stack);
early_gdt_descr.address = early_gdt_descr.address =
(unsigned long)get_cpu_gdt_table(smp_processor_id()); (unsigned long)get_cpu_gdt_table(smp_processor_id());
initial_gs = (unsigned long)cpu_pda(smp_processor_id()); initial_gs = per_cpu_offset(smp_processor_id());
#endif #endif
initial_code = (unsigned long)wakeup_long64; initial_code = (unsigned long)wakeup_long64;
saved_magic = 0x123456789abcdef0; saved_magic = 0x123456789abcdef0;
arch/x86/kernel/head64.c
+1 -6
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@@ -26,11 +26,6 @@
#include <asm/bios_ebda.h> #include <asm/bios_ebda.h>
#include <asm/trampoline.h> #include <asm/trampoline.h>
void __init x86_64_init_pda(void)
{
pda_init(0);
}
static void __init zap_identity_mappings(void) static void __init zap_identity_mappings(void)
{ {
pgd_t *pgd = pgd_offset_k(0UL); pgd_t *pgd = pgd_offset_k(0UL);
@@ -96,7 +91,7 @@ void __init x86_64_start_kernel(char * real_mode_data)
if (console_loglevel == 10) if (console_loglevel == 10)
early_printk("Kernel alive\n"); early_printk("Kernel alive\n");
x86_64_init_pda(); pda_init(0);
x86_64_start_reservations(real_mode_data); x86_64_start_reservations(real_mode_data);
} }
arch/x86/kernel/smpboot.c
+1 -1
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@@ -798,7 +798,7 @@ do_rest:
#else #else
cpu_pda(cpu)->pcurrent = c_idle.idle; cpu_pda(cpu)->pcurrent = c_idle.idle;
clear_tsk_thread_flag(c_idle.idle, TIF_FORK); clear_tsk_thread_flag(c_idle.idle, TIF_FORK);
initial_gs = (unsigned long)cpu_pda(cpu); initial_gs = per_cpu_offset(cpu);
#endif #endif
early_gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu); early_gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu);
initial_code = (unsigned long)start_secondary; initial_code = (unsigned long)start_secondary;
arch/x86/xen/enlighten.c
+1 -1
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@@ -1645,7 +1645,7 @@ asmlinkage void __init xen_start_kernel(void)
#ifdef CONFIG_X86_64 #ifdef CONFIG_X86_64
/* Disable until direct per-cpu data access. */ /* Disable until direct per-cpu data access. */
have_vcpu_info_placement = 0; have_vcpu_info_placement = 0;
x86_64_init_pda(); pda_init(0);
#endif #endif
xen_smp_init(); xen_smp_init();