Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 976382dc authored by Alexander van Heukelum's avatar Alexander van Heukelum Committed by Ingo Molnar
Browse files

i386: convert hardware exception 0 to an interrupt gate 



Handle divide 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 61aef7d2

arch/x86/kernel/traps_32.c

+2 −2
Original line number Diff line number Diff line
@@ -632,7 +632,7 @@ void do_##name(struct pt_regs *regs, long error_code) \ 
	do_trap(trapnr, signr, str, 1, regs, error_code, &info);	\

}



DO_VM86_TRAP_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip)

DO_VM86_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip)

#ifndef CONFIG_KPROBES

DO_VM86_TRAP(3, SIGTRAP, "int3", int3)

#endif
@@ -1247,7 +1247,7 @@ void __init trap_init(void) 
	early_iounmap(p, 4);

#endif



	set_trap_gate(0, &divide_error);

	set_intr_gate(0, &divide_error);

	set_intr_gate(1, &debug);

	set_intr_gate(2, &nmi);

	set_system_intr_gate(3, &int3); /* int3 can be called from all */