diff options
| author | Michael Neuling <mikey@neuling.org> | 2009-02-12 19:08:58 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-02-20 14:40:18 -0800 |
| commit | 6aa96b2ee56cdb68216aeffa9db54625beb1be9d (patch) | |
| tree | 5154e2b0d0a1dc70b91e83f804ae5cba8a9c9b9d /arch | |
| parent | c88660b4ca7eb47885021f880a6fcef53208df3f (diff) | |
powerpc/vsx: Fix VSX alignment handler for regs 32-63
commit 26456dcfb8d8e43b1b64b2a14710694cf7a72f05 upstream.
Fix the VSX alignment handler for VSX registers > 32. 32-63 are stored
in the VMX part of the thread_struct not the FPR part.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/align.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c index 5af4e9b2dbe..ada06924a42 100644 --- a/arch/powerpc/kernel/align.c +++ b/arch/powerpc/kernel/align.c @@ -646,11 +646,16 @@ static int emulate_vsx(unsigned char __user *addr, unsigned int reg, unsigned int areg, struct pt_regs *regs, unsigned int flags, unsigned int length) { - char *ptr = (char *) ¤t->thread.TS_FPR(reg); + char *ptr; int ret = 0; flush_vsx_to_thread(current); + if (reg < 32) + ptr = (char *) ¤t->thread.TS_FPR(reg); + else + ptr = (char *) ¤t->thread.vr[reg - 32]; + if (flags & ST) ret = __copy_to_user(addr, ptr, length); else { |