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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/x86/include/asm/current.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/include/asm/current.h')
-rw-r--r--arch/x86/include/asm/current.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/x86/include/asm/current.h b/arch/x86/include/asm/current.h
new file mode 100644
index 000000000..3e204e614
--- /dev/null
+++ b/arch/x86/include/asm/current.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_X86_CURRENT_H
+#define _ASM_X86_CURRENT_H
+
+#include <linux/compiler.h>
+#include <asm/percpu.h>
+
+#ifndef __ASSEMBLY__
+struct task_struct;
+
+DECLARE_PER_CPU(struct task_struct *, current_task);
+
+static __always_inline struct task_struct *get_current(void)
+{
+ return this_cpu_read_stable(current_task);
+}
+
+#define current get_current()
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_X86_CURRENT_H */