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authorDavid 'Digit' Turner <digit@google.com>2023-04-05 19:21:09 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2023-04-28 15:55:55 +0200
commitc5c0fdbe39aa2f65fecd93ab3082b1b8a7e2a318 (patch)
treec4fc6b24771c342d800cc506db61d4ca13a51091 /linux-headers/linux/const.h
parent9fc7dd234f527f411b08e6a266a5ab8e7b79f64f (diff)
downloadfocaccia-qemu-c5c0fdbe39aa2f65fecd93ab3082b1b8a7e2a318.tar.gz
focaccia-qemu-c5c0fdbe39aa2f65fecd93ab3082b1b8a7e2a318.zip
Update linux headers to v6.3rc5
commit 7e364e56293bb98cae1b55fd835f5991c4e96e7d

Signed-off-by: David 'Digit' Turner <digit@google.com>
Message-Id: <20230405172109.3081788-4-digit@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'linux-headers/linux/const.h')
-rw-r--r--linux-headers/linux/const.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/linux-headers/linux/const.h b/linux-headers/linux/const.h
new file mode 100644
index 0000000000..5e48987251
--- /dev/null
+++ b/linux-headers/linux/const.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/* const.h: Macros for dealing with constants.  */
+
+#ifndef _LINUX_CONST_H
+#define _LINUX_CONST_H
+
+/* Some constant macros are used in both assembler and
+ * C code.  Therefore we cannot annotate them always with
+ * 'UL' and other type specifiers unilaterally.  We
+ * use the following macros to deal with this.
+ *
+ * Similarly, _AT() will cast an expression with a type in C, but
+ * leave it unchanged in asm.
+ */
+
+#ifdef __ASSEMBLY__
+#define _AC(X,Y)	X
+#define _AT(T,X)	X
+#else
+#define __AC(X,Y)	(X##Y)
+#define _AC(X,Y)	__AC(X,Y)
+#define _AT(T,X)	((T)(X))
+#endif
+
+#define _UL(x)		(_AC(x, UL))
+#define _ULL(x)		(_AC(x, ULL))
+
+#define _BITUL(x)	(_UL(1) << (x))
+#define _BITULL(x)	(_ULL(1) << (x))
+
+#define __ALIGN_KERNEL(x, a)		__ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
+#define __ALIGN_KERNEL_MASK(x, mask)	(((x) + (mask)) & ~(mask))
+
+#define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
+
+#endif /* _LINUX_CONST_H */