diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2017-08-28 08:47:18 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-08-29 11:42:21 +0200 |
| commit | 05161b9cbe553c41cf775ac41bb5120d94347e5c (patch) | |
| tree | 577b974abdd922779721a2b98d0c80ae82cb8722 /arch/x86/kernel/irqinit.c | |
| parent | fa4ab5774dfe58fd5e99462f625253659d41df09 (diff) | |
x86/irq: Get rid of the 'first_system_vector' indirection bogosity
This variable is beyond pointless. Nothing allocates a vector via
alloc_gate() below FIRST_SYSTEM_VECTOR. So nothing can change
first_system_vector.
If there is a need for a gate below FIRST_SYSTEM_VECTOR then it can be
added to the vector defines and FIRST_SYSTEM_VECTOR can be adjusted
accordingly.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
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/20170828064956.357109735@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/irqinit.c')
| -rw-r--r-- | arch/x86/kernel/irqinit.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c index 6537cfe2cb1d..4e5f8c022fdd 100644 --- a/arch/x86/kernel/irqinit.c +++ b/arch/x86/kernel/irqinit.c @@ -169,10 +169,7 @@ void __init native_init_IRQ(void) * 'special' SMP interrupts) */ i = FIRST_EXTERNAL_VECTOR; -#ifndef CONFIG_X86_LOCAL_APIC -#define first_system_vector NR_VECTORS -#endif - for_each_clear_bit_from(i, used_vectors, first_system_vector) { + for_each_clear_bit_from(i, used_vectors, FIRST_SYSTEM_VECTOR) { /* IA32_SYSCALL_VECTOR could be used in trap_init already. */ set_intr_gate(i, irq_entries_start + 8 * (i - FIRST_EXTERNAL_VECTOR)); |