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x86: Merge simd_math_error() into math_error()

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The only difference between FPU and SIMD exceptions is where the
status bits are read from (cwd/swd vs. mxcsr).  This also fixes
the discrepency introduced by commit adf77bac, which fixed FPU
but not SIMD.

Signed-off-by: Brian Gerst <brgerst@gmail.com>
LKML-Reference: <1269176446-2489-3-git-send-email-brgerst@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Brian Gerst
2010-03-21 09:00:44 -04:00
committed by H. Peter Anvin
parent 40d2e76315
commit 9b6dba9e07
3 changed files with 34 additions and 70 deletions
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arch/x86/kernel/irqinit.c
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@@ -60,7 +60,7 @@ static irqreturn_t math_error_irq(int cpl, void *dev_id)
outb(0, 0xF0);
if (ignore_fpu_irq || !boot_cpu_data.hard_math)
return IRQ_NONE;
math_error((void __user *)get_irq_regs()->ip);
math_error(get_irq_regs(), 0, 16);
return IRQ_HANDLED;
}