Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 51 insertions, 0 deletions

diff --git a/include/linux/pkeys.h b/include/linux/pkeys.h
new file mode 100644
index 000000000..86be8bf27
--- /dev/null
+++ b/include/linux/pkeys.h
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_PKEYS_H
+#define _LINUX_PKEYS_H
+
+#include <linux/mm.h>
+
+#define ARCH_DEFAULT_PKEY	0
+
+#ifdef CONFIG_ARCH_HAS_PKEYS
+#include <asm/pkeys.h>
+#else /* ! CONFIG_ARCH_HAS_PKEYS */
+#define arch_max_pkey() (1)
+#define execute_only_pkey(mm) (0)
+#define arch_override_mprotect_pkey(vma, prot, pkey) (0)
+#define PKEY_DEDICATED_EXECUTE_ONLY 0
+#define ARCH_VM_PKEY_FLAGS 0
+
+static inline int vma_pkey(struct vm_area_struct *vma)
+{
+	return 0;
+}
+
+static inline bool mm_pkey_is_allocated(struct mm_struct *mm, int pkey)
+{
+	return (pkey == 0);
+}
+
+static inline int mm_pkey_alloc(struct mm_struct *mm)
+{
+	return -1;
+}
+
+static inline int mm_pkey_free(struct mm_struct *mm, int pkey)
+{
+	return -EINVAL;
+}
+
+static inline int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
+			unsigned long init_val)
+{
+	return 0;
+}
+
+static inline bool arch_pkeys_enabled(void)
+{
+	return false;
+}
+
+#endif /* ! CONFIG_ARCH_HAS_PKEYS */
+
+#endif /* _LINUX_PKEYS_H */