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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2025-01-20 21:37:39 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2025-01-20 21:37:39 -0800
commit25768de50b1f2dbb6ea44bd5148a87fe2c9c3688 (patch)
tree91f4e0c1ea9acb1e8d477a5f4dfedd00de67ae13 /include/linux/err.h
parent3a6e5ed2372bcb2a3c554fda32419efd91ff9b0c (diff)
parent08bd5b7c9a2401faabdaa1472d45c7de0755fd7e (diff)
Merge branch 'next' into for-linus
Prepare input updates for 6.14 merge window.
Diffstat (limited to 'include/linux/err.h')
-rw-r--r--include/linux/err.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/err.h b/include/linux/err.h
index b5d9bb2a2349..a4dacd745fcf 100644
--- a/include/linux/err.h
+++ b/include/linux/err.h
@@ -41,6 +41,9 @@ static inline void * __must_check ERR_PTR(long error)
return (void *) error;
}
+/* Return the pointer in the percpu address space. */
+#define ERR_PTR_PCPU(error) ((void __percpu *)(unsigned long)ERR_PTR(error))
+
/**
* PTR_ERR - Extract the error code from an error pointer.
* @ptr: An error pointer.
@@ -51,6 +54,9 @@ static inline long __must_check PTR_ERR(__force const void *ptr)
return (long) ptr;
}
+/* Read an error pointer from the percpu address space. */
+#define PTR_ERR_PCPU(ptr) (PTR_ERR((const void *)(__force const unsigned long)(ptr)))
+
/**
* IS_ERR - Detect an error pointer.
* @ptr: The pointer to check.
@@ -61,6 +67,9 @@ static inline bool __must_check IS_ERR(__force const void *ptr)
return IS_ERR_VALUE((unsigned long)ptr);
}
+/* Read an error pointer from the percpu address space. */
+#define IS_ERR_PCPU(ptr) (IS_ERR((const void *)(__force const unsigned long)(ptr)))
+
/**
* IS_ERR_OR_NULL - Detect an error pointer or a null pointer.
* @ptr: The pointer to check.