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[ Upstream commit1e3b66e326] From commit634f1a7110("vsock: support sockmap"), `struct proto vsock_proto`, defined in af_vsock.c, is not static anymore, since it's used by vsock_bpf.c. If CONFIG_BPF_SYSCALL is not defined, `make C=2` will print a warning: $ make O=build C=2 W=1 net/vmw_vsock/ ... CC [M] net/vmw_vsock/af_vsock.o CHECK ../net/vmw_vsock/af_vsock.c ../net/vmw_vsock/af_vsock.c:123:14: warning: symbol 'vsock_proto' was not declared. Should it be static? Declare `vsock_proto` regardless of CONFIG_BPF_SYSCALL, since it's defined in af_vsock.c, which is built regardless of CONFIG_BPF_SYSCALL. Fixes:634f1a7110("vsock: support sockmap") Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Link: https://patch.msgid.link/20250703112329.28365-1-sgarzare@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.