Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
s390/traps: simplify data exception handler
Simplify conditions and remove unnecessary variable in data exception
handler.
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
authored by
Vasily Gorbik
and committed by
Heiko Carstens
b4e3133b
39c7dcb1
+2
-8
+2
-8
arch/s390/kernel/traps.c
+2
-8
arch/s390/kernel/traps.c
···
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void data_exception(struct pt_regs *regs)
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{
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-
int signal = 0;
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-
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save_fpu_regs();
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if (current->thread.fpu.fpc & FPC_DXC_MASK)
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signal = SIGFPE;
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else
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signal = SIGILL;
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if (signal == SIGFPE)
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do_fp_trap(regs, current->thread.fpu.fpc);
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else if (signal)
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do_trap(regs, signal, ILL_ILLOPN, "data exception");
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+
else
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do_trap(regs, SIGILL, ILL_ILLOPN, "data exception");
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}
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void space_switch_exception(struct pt_regs *regs)