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Commit 252d28fe authored by Alexander van Heukelum's avatar Alexander van Heukelum Committed by Ingo Molnar
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i386: convert hardware exception 16 to an interrupt gate 



Handle coprocessor error exception with interrupt initially off.

Signed-off-by: default avatarAlexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent cf81978d

arch/x86/kernel/traps_32.c

+2 −1
Original line number Diff line number Diff line
@@ -1088,6 +1088,7 @@ void math_error(void __user *ip) 


void do_coprocessor_error(struct pt_regs *regs, long error_code)

{

	conditional_sti(regs);

	ignore_fpu_irq = 1;

	math_error((void __user *)regs->ip);

}
@@ -1279,7 +1280,7 @@ void __init trap_init(void) 
	set_intr_gate(13, &general_protection);

	set_intr_gate(14, &page_fault);

	set_intr_gate(15, &spurious_interrupt_bug);

	set_trap_gate(16, &coprocessor_error);

	set_intr_gate(16, &coprocessor_error);

	set_trap_gate(17, &alignment_check);

#ifdef CONFIG_X86_MCE

	set_trap_gate(18, &machine_check);