On 12/2/25 13:19, Josh Poimboeuf wrote:
Fix livepatch stalls which may be seen when a task is blocked with BPF
JIT on its kernel stack.
Josh Poimboeuf (2):
bpf: Add bpf_has_frame_pointer()
x86/unwind/orc: Support reliable unwinding through BPF stack frames
arch/x86/kernel/unwind_orc.c | 39 +++++++++++++++++++++++++-----------
arch/x86/net/bpf_jit_comp.c | 10 +++++++++
include/linux/bpf.h | 3 +++
kernel/bpf/core.c | 16 +++++++++++++++
4 files changed, 56 insertions(+), 12 deletions(-)
Acked-and-tested-by: Andrey Grodzovsky<[email protected]>
Question - This looks to be x86 specific issue since ORC unwinding is
x86 specific and as such this has no impact on ARM, correct ?
Andrey
