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H A Dvector.Sdiff a7d623d4d053ccb0cdfad210bced2ec25ddf69a2 Thu Oct 29 01:44:02 CET 2015 Anton Blanchard <anton@samba.org> powerpc: Move part of giveup_vsx into c

Move the MSR modification into c. Removing it from the assembly
function will allow us to avoid costly MSR writes by batching them
up.

Check the FP and VMX bits before calling the relevant giveup_*()
function. This makes giveup_vsx() and flush_vsx_to_thread() perform
more like their sister functions, and allows us to use
flush_vsx_to_thread() in the signal code.

Move the check_if_tm_restore_required() check in.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
H A Dsignal_32.cdiff a7d623d4d053ccb0cdfad210bced2ec25ddf69a2 Thu Oct 29 01:44:02 CET 2015 Anton Blanchard <anton@samba.org> powerpc: Move part of giveup_vsx into c

Move the MSR modification into c. Removing it from the assembly
function will allow us to avoid costly MSR writes by batching them
up.

Check the FP and VMX bits before calling the relevant giveup_*()
function. This makes giveup_vsx() and flush_vsx_to_thread() perform
more like their sister functions, and allows us to use
flush_vsx_to_thread() in the signal code.

Move the check_if_tm_restore_required() check in.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
H A Dsignal_64.cdiff a7d623d4d053ccb0cdfad210bced2ec25ddf69a2 Thu Oct 29 01:44:02 CET 2015 Anton Blanchard <anton@samba.org> powerpc: Move part of giveup_vsx into c

Move the MSR modification into c. Removing it from the assembly
function will allow us to avoid costly MSR writes by batching them
up.

Check the FP and VMX bits before calling the relevant giveup_*()
function. This makes giveup_vsx() and flush_vsx_to_thread() perform
more like their sister functions, and allows us to use
flush_vsx_to_thread() in the signal code.

Move the check_if_tm_restore_required() check in.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
H A Dprocess.cdiff a7d623d4d053ccb0cdfad210bced2ec25ddf69a2 Thu Oct 29 01:44:02 CET 2015 Anton Blanchard <anton@samba.org> powerpc: Move part of giveup_vsx into c

Move the MSR modification into c. Removing it from the assembly
function will allow us to avoid costly MSR writes by batching them
up.

Check the FP and VMX bits before calling the relevant giveup_*()
function. This makes giveup_vsx() and flush_vsx_to_thread() perform
more like their sister functions, and allows us to use
flush_vsx_to_thread() in the signal code.

Move the check_if_tm_restore_required() check in.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>