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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2025-12-13 01:18:20 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2025-12-13 01:18:20 -0800
commita4a508df2aa34f8650afde54ea804321c618f45f (patch)
treef75f10e7c54f991d7d859f8cbdcc8bcaed5bbd6f /include/linux/ftrace.h
parentc4b3133c6a2fc283cb3d34c64d40ed2fa254b608 (diff)
parent7d0a66e4bb9081d75c82ec4957c50034cb0ea449 (diff)
Merge tag 'v6.18' into next
Sync up with the mainline to bring in the latest APIs.
Diffstat (limited to 'include/linux/ftrace.h')
-rw-r--r--include/linux/ftrace.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 7ded7df6e9b5..07f8c309e432 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -193,6 +193,10 @@ static __always_inline struct pt_regs *ftrace_get_regs(struct ftrace_regs *fregs
#if !defined(CONFIG_HAVE_DYNAMIC_FTRACE_WITH_ARGS) || \
defined(CONFIG_HAVE_FTRACE_REGS_HAVING_PT_REGS)
+#ifndef arch_ftrace_partial_regs
+#define arch_ftrace_partial_regs(regs) do {} while (0)
+#endif
+
static __always_inline struct pt_regs *
ftrace_partial_regs(struct ftrace_regs *fregs, struct pt_regs *regs)
{
@@ -202,7 +206,11 @@ ftrace_partial_regs(struct ftrace_regs *fregs, struct pt_regs *regs)
* Since arch_ftrace_get_regs() will check some members and may return
* NULL, we can not use it.
*/
- return &arch_ftrace_regs(fregs)->regs;
+ regs = &arch_ftrace_regs(fregs)->regs;
+
+ /* Allow arch specific updates to regs. */
+ arch_ftrace_partial_regs(regs);
+ return regs;
}
#endif /* !CONFIG_HAVE_DYNAMIC_FTRACE_WITH_ARGS || CONFIG_HAVE_FTRACE_REGS_HAVING_PT_REGS */