Messages in this thread Patch in this message | | | From | Benjamin Tissoires <> | Subject | [PATCH 1/2] HID: bpf: enforce HID_BPF dependencies | Date | Wed, 30 Nov 2022 11:10:20 +0100 |
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As mentioned in the link below, having JIT and BPF is not enough to have fmod_ret and error injection APIs. This resolves the error that happens on a system without tracing enabled when hid-bpf tries to load itself.
Link: https://lore.kernel.org/r/CABRcYmKyRchQhabi1Vd9RcMQFCcb=EtWyEbFDFRTc-L-U8WhgA@mail.gmail.com Fixes: f5c27da4e3c8 ("HID: initial BPF implementation") Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> --- drivers/hid/bpf/Kconfig | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/hid/bpf/Kconfig b/drivers/hid/bpf/Kconfig index 298634fc3335..498232f9faa9 100644 --- a/drivers/hid/bpf/Kconfig +++ b/drivers/hid/bpf/Kconfig @@ -4,7 +4,9 @@ menu "HID-BPF support" config HID_BPF bool "HID-BPF support" default HID_SUPPORT - depends on BPF && BPF_SYSCALL + depends on BPF && BPF_SYSCALL && \ + DYNAMIC_FTRACE_WITH_DIRECT_CALLS && \ + FUNCTION_ERROR_INJECTION help This option allows to support eBPF programs on the HID subsystem. eBPF programs can fix HID devices in a lighter way than a full -- 2.38.1
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