)]}' { "commit": "c895f6f703ad7dd2f99e751d9884b0aa5d0eea25", "tree": "38c78d2344e471e1e926c893120f16015a405b26", "parents": [ "2391f0b4808e3d5af348324d69f5f45c56a26836" ], "author": { "name": "Hendrik Brueckner", "email": "brueckner@linux.vnet.ibm.com", "time": "Mon Dec 04 10:56:44 2017 +0100" }, "committer": { "name": "Daniel Borkmann", "email": "daniel@iogearbox.net", "time": "Tue Dec 05 15:02:40 2017 +0100" }, "message": "bpf: correct broken uapi for BPF_PROG_TYPE_PERF_EVENT program type\n\nCommit 0515e5999a466dfe (\"bpf: introduce BPF_PROG_TYPE_PERF_EVENT\nprogram type\") introduced the bpf_perf_event_data structure which\nexports the pt_regs structure. This is OK for multiple architectures\nbut fail for s390 and arm64 which do not export pt_regs. Programs\nusing them, for example, the bpf selftest fail to compile on these\narchitectures.\n\nFor s390, exporting the pt_regs is not an option because s390 wants\nto allow changes to it. For arm64, there is a user_pt_regs structure\nthat covers parts of the pt_regs structure for use by user space.\n\nTo solve the broken uapi for s390 and arm64, introduce an abstract\ntype for pt_regs and add an asm/bpf_perf_event.h file that concretes\nthe type. An asm-generic header file covers the architectures that\nexport pt_regs today.\n\nThe arch-specific enablement for s390 and arm64 follows in separate\ncommits.\n\nReported-by: Thomas Richter \u003ctmricht@linux.vnet.ibm.com\u003e\nFixes: 0515e5999a466dfe (\"bpf: introduce BPF_PROG_TYPE_PERF_EVENT program type\")\nSigned-off-by: Hendrik Brueckner \u003cbrueckner@linux.vnet.ibm.com\u003e\nReviewed-and-tested-by: Thomas Richter \u003ctmricht@linux.vnet.ibm.com\u003e\nAcked-by: Alexei Starovoitov \u003cast@kernel.org\u003e\nCc: Arnaldo Carvalho de Melo \u003cacme@kernel.org\u003e\nCc: Peter Zijlstra \u003cpeterz@infradead.org\u003e\nCc: Ingo Molnar \u003cmingo@redhat.com\u003e\nCc: Alexander Shishkin \u003calexander.shishkin@linux.intel.com\u003e\nCc: Jiri Olsa \u003cjolsa@redhat.com\u003e\nCc: Namhyung Kim \u003cnamhyung@kernel.org\u003e\nCc: Arnd Bergmann \u003carnd@arndb.de\u003e\nCc: Daniel Borkmann \u003cdaniel@iogearbox.net\u003e\nSigned-off-by: Daniel Borkmann 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