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powerpc: Fix compilation of emulate_step()

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Commit be96f63375 ("powerpc: Split out instruction analysis
part of emulate_step()") added some calls to do_fp_load()
and do_fp_store(), which fail to compile on configs with
CONFIG_PPC_FPU=n and CONFIG_PPC_EMULATE_SSTEP=y.  This fixes
the compile by adding #ifdef CONFIG_PPC_FPU around the code
that calls these functions.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Paul Mackerras 2014-11-03 15:46:43 +11:00 committed by Michael Ellerman
parent 8b91a25546
commit 7048c84694
1 changed files with 4 additions and 2 deletions
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6
arch/powerpc/lib/sstep.c
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@ -1865,6 +1865,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr)
}
goto ldst_done;
#ifdef CONFIG_PPC_FPU
case LOAD_FP:
if (regs->msr & MSR_LE)
return 0;
@ -1873,7 +1874,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr)
else
err = do_fp_load(op.reg, do_lfd, op.ea, size, regs);
goto ldst_done;
#endif
#ifdef CONFIG_ALTIVEC
case LOAD_VMX:
if (regs->msr & MSR_LE)
@ -1919,6 +1920,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr)
err = write_mem(op.val, op.ea, size, regs);
goto ldst_done;
#ifdef CONFIG_PPC_FPU
case STORE_FP:
if (regs->msr & MSR_LE)
return 0;
@ -1927,7 +1929,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr)
else
err = do_fp_store(op.reg, do_stfd, op.ea, size, regs);
goto ldst_done;
#endif
#ifdef CONFIG_ALTIVEC
case STORE_VMX:
if (regs->msr & MSR_LE)