This is a note to let you know that I've just added the patch titled
hid: bpf: add BPF_JIT dependency
to the 6.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
hid-bpf-add-bpf_jit-dependency.patch
and it can be found in the queue-6.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit e2ab8bf5691a8c4a1f46743f26be97acec2dab87
Author: Arnd Bergmann <arnd@xxxxxxxx>
Date: Fri Jul 19 11:51:07 2024 +0200
hid: bpf: add BPF_JIT dependency
[ Upstream commit bacc15e010fc5a235fb2020b06a29a9961b5db82 ]
The module does not do anything when the JIT is disabled, but instead
causes a warning:
In file included from include/linux/bpf_verifier.h:7,
from drivers/hid/bpf/hid_bpf_struct_ops.c:10:
drivers/hid/bpf/hid_bpf_struct_ops.c: In function 'hid_bpf_struct_ops_init':
include/linux/bpf.h:1853:50: error: statement with no effect [-Werror=unused-value]
1853 | #define register_bpf_struct_ops(st_ops, type) ({ (void *)(st_ops); 0; })
| ^~~~~~~~~~~~~~~~
drivers/hid/bpf/hid_bpf_struct_ops.c:305:16: note: in expansion of macro 'register_bpf_struct_ops'
305 | return register_bpf_struct_ops(&bpf_hid_bpf_ops, hid_bpf_ops);
| ^~~~~~~~~~~~~~~~~~~~~~~
Add a Kconfig dependency to only allow building the HID-BPF support
when a JIT is enabled.
Fixes: ebc0d8093e8c ("HID: bpf: implement HID-BPF through bpf_struct_ops")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Link: https://patch.msgid.link/96a00b6f-eb81-4c67-8c4b-6b1f3f045034@xxxxxxxxxxxxxxxx
Signed-off-by: Benjamin Tissoires <bentiss@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/hid/bpf/Kconfig b/drivers/hid/bpf/Kconfig
index 83214bae6768..d65482e02a6c 100644
--- a/drivers/hid/bpf/Kconfig
+++ b/drivers/hid/bpf/Kconfig
@@ -3,7 +3,7 @@ menu "HID-BPF support"
config HID_BPF
bool "HID-BPF support"
- depends on BPF
+ depends on BPF_JIT
depends on BPF_SYSCALL
depends on DYNAMIC_FTRACE_WITH_DIRECT_CALLS
help
