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x86/idt: Deinline setup functions

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None of this is performance sensitive in any way - so debloat the kernel.

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/20170828064959.502052875@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Thomas Gleixner
2017-08-28 08:47:57 +02:00
committed by Ingo Molnar
parent 485fa57bd7
commit db18da78f9
2 changed files with 36 additions and 44 deletions
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37
arch/x86/include/asm/desc.h
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@@ -390,44 +390,11 @@ static inline void set_desc_limit(struct desc_struct *desc, unsigned long limit)
desc->limit1 = (limit >> 16) & 0xf;
}
static inline void _set_gate(int gate, unsigned type, const void *addr,
unsigned dpl, unsigned ist, unsigned seg)
{
gate_desc s;
pack_gate(&s, type, (unsigned long)addr, dpl, ist, seg);
/*
* does not need to be atomic because it is only done once at
* setup time
*/
write_idt_entry(idt_table, gate, &s);
}
static inline void set_intr_gate(unsigned int n, const void *addr)
{
BUG_ON(n > 0xFF);
_set_gate(n, GATE_INTERRUPT, addr, 0, 0, __KERNEL_CS);
}
void set_intr_gate(unsigned int n, const void *addr);
void alloc_intr_gate(unsigned int n, const void *addr);
extern unsigned long used_vectors[];
static inline void alloc_system_vector(int vector)
{
BUG_ON(vector < FIRST_SYSTEM_VECTOR);
if (!test_bit(vector, used_vectors)) {
set_bit(vector, used_vectors);
} else {
BUG();
}
}
#define alloc_intr_gate(n, addr) \
do { \
alloc_system_vector(n); \
set_intr_gate(n, addr); \
} while (0)
#ifdef CONFIG_X86_64
DECLARE_PER_CPU(u32, debug_idt_ctr);
static inline bool is_debug_idt_enabled(void)