On Wed, Feb 14, 2024 at 06:18:32PM +0100, Benjamin Tissoires wrote: > These 2 maps types are required for HID-BPF when a user wants to do > IO with a device from a sleepable tracing point. > > Allowing BPF_MAP_TYPE_QUEUE (and therefore BPF_MAP_TYPE_STACK) allows > for a BPF program to prepare from an IRQ the list of HID commands to send > back to the device and then these commands can be retrieved from the > sleepable trace point. > > Signed-off-by: Benjamin Tissoires <bent...@kernel.org> > > --- > > changes in v2: > - dropped BPF_MAP_TYPE_PROG_ARRAY from the list > --- > kernel/bpf/verifier.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c > index 67da3f7bddb5..cb1266566b69 100644 > --- a/kernel/bpf/verifier.c > +++ b/kernel/bpf/verifier.c > @@ -18094,6 +18094,8 @@ static int check_map_prog_compatibility(struct > bpf_verifier_env *env, > case BPF_MAP_TYPE_SK_STORAGE: > case BPF_MAP_TYPE_TASK_STORAGE: > case BPF_MAP_TYPE_CGRP_STORAGE: > + case BPF_MAP_TYPE_QUEUE: > + case BPF_MAP_TYPE_STACK: > break;
Maybe resend this one and patch 1 without RFC, so we can start landing them?
