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Power ISA 3.0 added a new syscall instruction. Kernel 5.9 added corresponding support. Add CRIU support to recognize the new instruction and kernel ABI changes to properly dump and restore threads executing in syscalls. Without this change threads executing in syscalls using the scv instruction will not be restored to re-execute the syscall, they will be restored to execute the following instruction and will return unexpected error codes (ERESTARTSYS, etc) to user code. Signed-off-by: Younes Manton <ymanton@ca.ibm.com> |
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