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x86/idt: Create file for IDT related code

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IDT related code lives scattered around in various places. Create a new
source file in arch/x86/kernel/idt.c to hold it.

Move the idt_tables and descriptors to it for a start. Follow up patches
will gradually move more code over.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20170828064958.367081121@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Thomas Gleixner
2017-08-28 08:47:43 +02:00
committed by Ingo Molnar
parent 87cc037674
commit d8ed9d4826
4 changed files with 27 additions and 16 deletions
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9
arch/x86/kernel/cpu/common.c
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@@ -1289,15 +1289,6 @@ static __init int setup_disablecpuid(char *arg)
__setup("clearcpuid=", setup_disablecpuid);
#ifdef CONFIG_X86_64
struct desc_ptr idt_descr __ro_after_init = {
.size = NR_VECTORS * 16 - 1,
.address = (unsigned long) idt_table,
};
const struct desc_ptr debug_idt_descr = {
.size = NR_VECTORS * 16 - 1,
.address = (unsigned long) debug_idt_table,
};
DEFINE_PER_CPU_FIRST(union irq_stack_union,
irq_stack_union) __aligned(PAGE_SIZE) __visible;