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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/powerpc/include/asm/livepatch.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/include/asm/livepatch.h')
-rw-r--r--arch/powerpc/include/asm/livepatch.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/livepatch.h b/arch/powerpc/include/asm/livepatch.h
new file mode 100644
index 0000000000..d044a1fd4f
--- /dev/null
+++ b/arch/powerpc/include/asm/livepatch.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * livepatch.h - powerpc-specific Kernel Live Patching Core
+ *
+ * Copyright (C) 2015-2016, SUSE, IBM Corp.
+ */
+#ifndef _ASM_POWERPC_LIVEPATCH_H
+#define _ASM_POWERPC_LIVEPATCH_H
+
+#include <linux/sched.h>
+#include <linux/sched/task_stack.h>
+
+#ifdef CONFIG_LIVEPATCH_64
+static inline void klp_init_thread_info(struct task_struct *p)
+{
+ /* + 1 to account for STACK_END_MAGIC */
+ task_thread_info(p)->livepatch_sp = end_of_stack(p) + 1;
+}
+#else
+static inline void klp_init_thread_info(struct task_struct *p) { }
+#endif
+
+#endif /* _ASM_POWERPC_LIVEPATCH_H */