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b=mYHHEVUHk7mqBzZMRRcGK3fZI9JsYBE1ZTG0cjDKv2LFlPJXQyDrPAKc8bfKf0tGr 20cWdlmj2e6r9qTNntdUZ9fi9cszimzNeELmIamI9OuH+mBqpijs9/s789F34csANJ fgWDE11qgNW8E9wTIgD1km9GI/swk+tLAKgjcvqUYxAEaRLAlzh/ZKAHlBj0Ky1PjG 0v/WkxNUgqmlKJXpJY525QsBtQhynnTkAMo0QExBKteka4qwdTE2za1SUpdJj+FcNu WkR6hVqwaMbvytyvpFnjFRkLcYmdydpW0DidQOFfml4GF2k8PUvSil9bGhPenPlkb0 TdQ33wkV+qEig== From: Christian Brauner Date: Tue, 10 Nov 2026 10:14:46 +0100 Subject: [PATCH RFC 30/41] powerpc/spufs: use fc_init_pseudo() X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261110-work-loop-pseudo-v1-30-4c998976c6c7@kernel.org> References: <20261110-work-loop-pseudo-v1-0-4c998976c6c7@kernel.org> In-Reply-To: <20261110-work-loop-pseudo-v1-0-4c998976c6c7@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; 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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 f066d9c7344d..54b45932aecd 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