[PATCH] bpf: BPF_PRELOAD depends on BPF_SYSCALL

[PATCH] bpf: BPF_PRELOAD depends on BPF_SYSCALL

[Randy Dunlap]

Fix build error when BPF_SYSCALL is not set/enabled but BPF_PRELOAD is
by making BPF_PRELOAD depend on BPF_SYSCALL.

ERROR: modpost: "bpf_preload_ops" [kernel/bpf/preload/bpf_preload.ko] undefined!

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: netdev@vger.kernel.org
Cc: bpf@vger.kernel.org
---
 kernel/bpf/preload/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- linux-next-20201105.orig/kernel/bpf/preload/Kconfig
+++ linux-next-20201105/kernel/bpf/preload/Kconfig
@@ -6,6 +6,7 @@ config USERMODE_DRIVER
 menuconfig BPF_PRELOAD
 	bool "Preload BPF file system with kernel specific program and map iterators"
 	depends on BPF
+	depends on BPF_SYSCALL
 	# The dependency on !COMPILE_TEST prevents it from being enabled
 	# in allmodconfig or allyesconfig configurations
 	depends on !COMPILE_TEST

Re: [PATCH] bpf: BPF_PRELOAD depends on BPF_SYSCALL

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to bpf/bpf.git (refs/heads/master):

On Thu,  5 Nov 2020 11:51:09 -0800 you wrote:
> Fix build error when BPF_SYSCALL is not set/enabled but BPF_PRELOAD is
> by making BPF_PRELOAD depend on BPF_SYSCALL.
> 
> ERROR: modpost: "bpf_preload_ops" [kernel/bpf/preload/bpf_preload.ko] undefined!
> 
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> Reported-by: kernel test robot <lkp@intel.com>
> Reported-by: Randy Dunlap <rdunlap@infradead.org>
> Cc: Alexei Starovoitov <ast@kernel.org>
> Cc: Daniel Borkmann <daniel@iogearbox.net>
> Cc: netdev@vger.kernel.org
> Cc: bpf@vger.kernel.org
> 
> [...]

Here is the summary with links:
  - bpf: BPF_PRELOAD depends on BPF_SYSCALL
    https://git.kernel.org/bpf/bpf/c/7c0afcad7507

You are awesome, thank you!
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