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| author | Tom Musta <tommusta@gmail.com> | 2013-10-18 12:08:22 -0500 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-10-30 16:01:23 +1100 |
| commit | 630c8a5fc9fb2f3541652b65f23630757d304cc9 (patch) | |
| tree | 0e8acd66c8b5fee2983a12707b444b6b9a1c2526 | |
| parent | 075f6311af30b011eaa8e50341c06a9082a796a9 (diff) | |
| download | op-kernel-dev-630c8a5fc9fb2f3541652b65f23630757d304cc9.zip op-kernel-dev-630c8a5fc9fb2f3541652b65f23630757d304cc9.tar.gz | |
powerpc: Enable Little Endian Alignment Handler for Float Pair Instructions
This patch enables alignment handling for the load/store floating point
pair instructions (lfdp, lfdpx, stfdp, stfdpx). The handler routine
is properly coded and only needs to be enabled.
Signed-off-by: Tom Musta <tmusta@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/kernel/align.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c index a3169a9..de91f3a 100644 --- a/arch/powerpc/kernel/align.c +++ b/arch/powerpc/kernel/align.c @@ -378,7 +378,6 @@ static int emulate_multiple(struct pt_regs *regs, unsigned char __user *addr, * Only POWER6 has these instructions, and it does true little-endian, * so we don't need the address swizzling. */ -#ifdef __BIG_ENDIAN__ static int emulate_fp_pair(unsigned char __user *addr, unsigned int reg, unsigned int flags) { @@ -406,7 +405,6 @@ static int emulate_fp_pair(unsigned char __user *addr, unsigned int reg, return -EFAULT; return 1; /* exception handled and fixed up */ } -#endif #ifdef CONFIG_SPE @@ -918,12 +916,8 @@ int fix_alignment(struct pt_regs *regs) /* Special case for 16-byte FP loads and stores */ if (nb == 16) { -#ifdef __BIG_ENDIAN__ PPC_WARN_ALIGNMENT(fp_pair, regs); return emulate_fp_pair(addr, reg, flags); -#else - return -EFAULT; -#endif } PPC_WARN_ALIGNMENT(unaligned, regs); |
