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alpha: math-emu: Fix modular build

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Commit 00fc0e0dda ("alpha: move exports to actual definitions") also
removed the exports of the math emulator hooks, which are defined in C
code.  In case anyone cares about the option of CONFIG_MATHEMU=m, add
exports next to those definitions.  Also add a MODULE_LICENSE.

Fixes: 00fc0e0dda ("alpha: move exports to actual definitions")
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Ben Hutchings 2017-07-19 01:02:04 +01:00 committed by Matt Turner
parent 873f9b5bcb
commit d9e3cb2f9e
2 changed files with 3 additions and 0 deletions
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2
arch/alpha/kernel/traps.c
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@ -193,8 +193,10 @@ die_if_kernel(char * str, struct pt_regs *regs, long err, unsigned long *r9_15)
static long dummy_emul(void) { return 0; } static long dummy_emul(void) { return 0; }
long (*alpha_fp_emul_imprecise)(struct pt_regs *regs, unsigned long writemask) long (*alpha_fp_emul_imprecise)(struct pt_regs *regs, unsigned long writemask)
= (void *)dummy_emul; = (void *)dummy_emul;
EXPORT_SYMBOL_GPL(alpha_fp_emul_imprecise);
long (*alpha_fp_emul) (unsigned long pc) long (*alpha_fp_emul) (unsigned long pc)
= (void *)dummy_emul; = (void *)dummy_emul;
EXPORT_SYMBOL_GPL(alpha_fp_emul);
#else #else
long alpha_fp_emul_imprecise(struct pt_regs *regs, unsigned long writemask); long alpha_fp_emul_imprecise(struct pt_regs *regs, unsigned long writemask);
long alpha_fp_emul (unsigned long pc); long alpha_fp_emul (unsigned long pc);

1
arch/alpha/math-emu/math.c
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@ -53,6 +53,7 @@ extern void alpha_write_fp_reg_s (unsigned long reg, unsigned long val);
#ifdef MODULE #ifdef MODULE
MODULE_DESCRIPTION("FP Software completion module"); MODULE_DESCRIPTION("FP Software completion module");
MODULE_LICENSE("GPL v2");
extern long (*alpha_fp_emul_imprecise)(struct pt_regs *, unsigned long); extern long (*alpha_fp_emul_imprecise)(struct pt_regs *, unsigned long);
extern long (*alpha_fp_emul) (unsigned long pc); extern long (*alpha_fp_emul) (unsigned long pc);