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Jonas Bonn authored
The mainline signal handling code for OpenRISC has been buggy since day one with respect to syscall restart. This patch significantly reworks the signal handling code: i) Move the "work pending" loop to C code (borrowed from ARM arch) ii) Allow a tracer to muck about with the IP and skip syscall restart in that case (again, borrowed from ARM) iii) Make signal handling WRT syscall restart actually work v) Make the signal handling code look more like that of other architectures so that it's easier for others to follow Reported-by: Anders Nystrom <anders@southpole.se> Signed-off-by: Jonas Bonn <jonas@southpole.se>
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