On 7/30/15 3:42 AM, Daniel Borkmann wrote:
During recent discussions we had with Michael, we found that it would be useful to have an indicator that tells the JIT that an eBPF program had been migrated from classic instructions into eBPF instructions, as only in that case A and X need to be cleared in the prologue. Such eBPF programs do not set a particular type, but all have BPF_PROG_TYPE_UNSPEC. Thus, introduce a small helper for cde66c2d88da ("s390/bpf: Only clear A and X for converted BPF programs") and possibly others in future.Signed-off-by: Daniel Borkmann<dan...@iogearbox.net> Cc: Michael Holzheu<holz...@linux.vnet.ibm.com>
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