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Sat, 14 Nov 2026 13:09:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794661748; bh=id4PRLDY8xxqmv09Cy60S/mO+ESr2mIJ65uM2WRQC7s=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=OPYvZMcKo2pLKQPLfKiB+xqQT7JtU6u/nMFLT+5hYzH3QWTCFPRoRS6r/Oow1VAkL 3HYR/sSwpSruxS71lTMziygx7APu494xsLge+qXN+aS/Fp3Yr+SysKiJDxgm9fV8FL LLLNw7kLSad5h56STuFO2hVPqf8d8oG5y+9btaqGaQCPkoLOjBnZy2HRlufPRIqJR9 JAGDmN3jPQZ4ZGCu2z1obHGmPT84ifLV2wmvOlYzT12//tpCLC91vE73DnFUFErjrE jtHCCp7HwPDe37nSYEBsn4aY5ZIWlVvyOmtxOFVyVhXkm5TyApjftkdHnhTF0e2OJb Th1bcZaPa1Qrw== From: Christian Brauner Date: Sat, 14 Nov 2026 14:02:11 +0100 Subject: [PATCH RFC v2 30/42] powerpc/spufs: use fc_init_pseudo() X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , Precedence: list X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261114-work-loop-pseudo-v2-30-98639a2286fb@kernel.org> References: <20261114-work-loop-pseudo-v2-0-98639a2286fb@kernel.org> In-Reply-To: <20261114-work-loop-pseudo-v2-0-98639a2286fb@kernel.org> To: linux-fsdevel@vger.kernel.org Cc: Jann Horn , Chris Mason , Josef Bacik , Christoph Hellwig , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, Alexander Viro , Jan Kara , linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, driver-core@lists.linux.dev, linux-mm@kvack.org, bpf@vger.kernel.org, linux-security-module@vger.kernel.org, selinux@vger.kernel.org, apparmor@lists.ubuntu.com, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, fuse-devel@lists.linux.dev, linux-efi@vger.kernel.org, xen-devel@lists.xenproject.org, ocfs2-devel@lists.linux.dev, linux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-usb@vger.kernel.org, Amir Goldstein , linux-erofs@lists.ozlabs.org, linux-kselftest@vger.kernel.org, "Christian Brauner (Amutable)" X-Mailer: b4 0.17-dev-ce4c1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1161; i=brauner@kernel.org; h=from:subject:message-id; bh=IfUgpka9O6kutLnlSG4nrBix3fgpTd+0l8aZ7VY9Wl0=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWT9iOmwtup7dlAk4P1lb2Nu/V0Xay46TjCe9C/9OFdZk KnsNdfKjlIWBjEuBlkxRRaHdpNwueU8FZuNMjVg5rAygQxh4OIUgIkw7GT4n/qCU/F0TKjhPQ87 jwlLc8VsP+cYLxcU+LHbRm/KCV2pdEaGPWc5jk092LJ1wpFjdg3lNRW7ODKTlXubs7L6rYTlL85 gAwA= X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Initialize spufs as a pseudo filesystem. This raises SB_I_PSEUDO and also SB_I_NOEXEC and SB_I_NODEV. spufs never holds executables or device nodes. SB_I_NOEXEC also refuses PROT_EXEC mappings. The spufs files that can be mapped expose local store and problem state areas of the SPU, nothing the PPU executes. Signed-off-by: Christian Brauner (Amutable) --- arch/powerpc/platforms/cell/spufs/inode.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index f066d9c7344d3..54b45932aecd2 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include #include @@ -741,6 +742,7 @@ static int spufs_init_fs_context(struct fs_context *fc) fc->fs_private = ctx; fc->s_fs_info = sbi; + fc_init_pseudo(fc); fc->ops = &spufs_context_ops; return 0; -- 2.53.0