Searched hist:"1 e12d3ef47d228e4e7d30f9bc5e6744ede90319c" (Results 1 – 2 of 2) sorted by relevance
| /openbmc/linux/tools/testing/selftests/bpf/verifier/ |
| H A D | sleepable.c | diff 1e12d3ef47d228e4e7d30f9bc5e6744ede90319c Wed Jan 25 10:47:32 CST 2023 David Vernet <void@manifault.com> bpf: Allow BPF_PROG_TYPE_STRUCT_OPS programs to be sleepable
BPF struct_ops programs currently cannot be marked as sleepable. This
need not be the case -- struct_ops programs can be sleepable, and e.g.
invoke kfuncs that export the KF_SLEEPABLE flag. So as to allow future
struct_ops programs to invoke such kfuncs, this patch updates the
verifier to allow struct_ops programs to be sleepable. A follow-on patch
will add support to libbpf for specifying struct_ops.s as a sleepable
struct_ops program, and then another patch will add testcases to the
dummy_st_ops selftest suite which test sleepable struct_ops behavior.
Signed-off-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/r/20230125164735.785732-2-void@manifault.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
| /openbmc/linux/kernel/bpf/ |
| H A D | verifier.c | diff 1e12d3ef47d228e4e7d30f9bc5e6744ede90319c Wed Jan 25 10:47:32 CST 2023 David Vernet <void@manifault.com> bpf: Allow BPF_PROG_TYPE_STRUCT_OPS programs to be sleepable
BPF struct_ops programs currently cannot be marked as sleepable. This
need not be the case -- struct_ops programs can be sleepable, and e.g.
invoke kfuncs that export the KF_SLEEPABLE flag. So as to allow future
struct_ops programs to invoke such kfuncs, this patch updates the
verifier to allow struct_ops programs to be sleepable. A follow-on patch
will add support to libbpf for specifying struct_ops.s as a sleepable
struct_ops program, and then another patch will add testcases to the
dummy_st_ops selftest suite which test sleepable struct_ops behavior.
Signed-off-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/r/20230125164735.785732-2-void@manifault.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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