This is a note to let you know that I've just added the patch titled
x86/speculation: Add missing prototype for unpriv_ebpf_notify()
to the 5.15-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:
x86-speculation-add-missing-prototype-for-unpriv_ebp.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c96b22ba846d35667a7f30e01bc7d188a6685f3b
Author: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
Date: Mon Apr 25 16:40:02 2022 -0700
x86/speculation: Add missing prototype for unpriv_ebpf_notify()
[ Upstream commit 2147c438fde135d6c145a96e373d9348e7076f7f ]
Fix the following warnings seen with "make W=1":
kernel/sysctl.c:183:13: warning: no previous prototype for ‘unpriv_ebpf_notify’ [-Wmissing-prototypes]
183 | void __weak unpriv_ebpf_notify(int new_state)
| ^~~~~~~~~~~~~~~~~~
arch/x86/kernel/cpu/bugs.c:659:6: warning: no previous prototype for ‘unpriv_ebpf_notify’ [-Wmissing-prototypes]
659 | void unpriv_ebpf_notify(int new_state)
| ^~~~~~~~~~~~~~~~~~
Fixes: 44a3918c8245 ("x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Link: https://lore.kernel.org/r/5689d065f739602ececaee1e05e68b8644009608.1650930000.git.jpoimboe@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index c5c4b6f09e23..bb766a0b9b51 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -1991,6 +1991,8 @@ void bpf_offload_dev_netdev_unregister(struct bpf_offload_dev *offdev,
struct net_device *netdev);
bool bpf_offload_dev_match(struct bpf_prog *prog, struct net_device *netdev);
+void unpriv_ebpf_notify(int new_state);
+
#if defined(CONFIG_NET) && defined(CONFIG_BPF_SYSCALL)
int bpf_prog_offload_init(struct bpf_prog *prog, union bpf_attr *attr);
