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Commit c3244964 authored by Anton Blanchard's avatar Anton Blanchard Committed by Benjamin Herrenschmidt
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powerpc: Remove hard coded FP offsets in alignment handler 



The alignment handler assumes big endian ordering when selecting
the low word of a 64bit floating point value. Use the existing
union which works in both little and big endian.

Signed-off-by: default avatarAnton Blanchard <anton@samba.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent f626190d

arch/powerpc/kernel/align.c

+2 −2
Original line number Diff line number Diff line
@@ -895,7 +895,7 @@ int fix_alignment(struct pt_regs *regs) 
#ifdef CONFIG_PPC_FPU

			preempt_disable();

			enable_kernel_fp();

			cvt_df(&data.dd, (float *)&data.v[4]);

			cvt_df(&data.dd, (float *)&data.x32.low32);

			preempt_enable();

#else

			return 0;
@@ -935,7 +935,7 @@ int fix_alignment(struct pt_regs *regs) 
#ifdef CONFIG_PPC_FPU

		preempt_disable();

		enable_kernel_fp();

		cvt_fd((float *)&data.v[4], &data.dd);

		cvt_fd((float *)&data.x32.low32, &data.dd);

		preempt_enable();

#else

		return 0;