Messages in this thread Patch in this message | | | From | heukelum@fastmail ... | Subject | [PATCH 15/24] i386: convert hardware exception 16 to an interrupt gate | Date | Tue, 9 Sep 2008 21:56:09 +0200 |
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From: Alexander van Heukelum <heukelum@fastmail.fm>
Handle coprocessor error exception with interrupt initially off.
Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> --- arch/x86/kernel/traps_32.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index ef934a2..733c0e3 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -1086,6 +1086,7 @@ 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); } @@ -1277,7 +1278,7 @@ 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); -- 1.5.4.3
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