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powerpc: Remove fpscr use from [kvm_]cvt_{fd,df}

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Neither lfs nor stfs touch the fpscr, so remove the restore/save of it
around them.

Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Andreas Schwab
2010-08-21 11:43:20 +00:00
committed by Benjamin Herrenschmidt
parent 872e439a45
commit 05d77ac90c
6 changed files with 26 additions and 48 deletions
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4
arch/powerpc/kernel/align.c
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@@ -889,7 +889,7 @@ int fix_alignment(struct pt_regs *regs)
#ifdef CONFIG_PPC_FPU
preempt_disable();
enable_kernel_fp();
cvt_df(&data.dd, (float *)&data.v[4], &current->thread);
cvt_df(&data.dd, (float *)&data.v[4]);
preempt_enable();
#else
return 0;
@@ -933,7 +933,7 @@ int fix_alignment(struct pt_regs *regs)
#ifdef CONFIG_PPC_FPU
preempt_disable();
enable_kernel_fp();
cvt_fd((float *)&data.v[4], &data.dd, &current->thread);
cvt_fd((float *)&data.v[4], &data.dd);
preempt_enable();
#else
return 0;