Ensure that kernel is throwing away the suspended transaction when
sigreturn() is called otherwise it if fails to restore the signal
frame's TM SPRS.
Signed-off-by: NLaurent Dufour <ldufour@linux.vnet.ibm.com>
Reviewed-by: NCyril Bur <cyrilbur@gmail.com>
[mpe: Add have_htm() check, minor formatting, add SPDX tag]
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>