linux-kernel - [tip: x86/cpu] x86/speculation: Add missing prototype for unpriv_ebpf

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Message-ID: <165113944536.4207.8430547828762066325.tip-bot2@tip-bot2>
Date:   Thu, 28 Apr 2022 09:50:45 -0000
From:   "tip-bot2 for Josh Poimboeuf" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     kernel test robot <lkp@...el.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Borislav Petkov <bp@...e.de>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: x86/cpu] x86/speculation: Add missing prototype for
 unpriv_ebpf_notify()

The following commit has been merged into the x86/cpu branch of tip:

Commit-ID:     2147c438fde135d6c145a96e373d9348e7076f7f
Gitweb:        https://git.kernel.org/tip/2147c438fde135d6c145a96e373d9348e7076f7f
Author:        Josh Poimboeuf <jpoimboe@...hat.com>
AuthorDate:    Mon, 25 Apr 2022 16:40:02 -07:00
Committer:     Borislav Petkov <bp@...e.de>
CommitterDate: Thu, 28 Apr 2022 11:12:17 +02:00

x86/speculation: Add missing prototype for unpriv_ebpf_notify()

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@...el.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@...hat.com>
Signed-off-by: Borislav Petkov <bp@...e.de>
Link: https://lore.kernel.org/r/5689d065f739602ececaee1e05e68b8644009608.1650930000.git.jpoimboe@redhat.com
---
 include/linux/bpf.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index bdb5298..ecc3d3e 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -2085,6 +2085,8 @@ 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);