rust_binder: remove "rust_" prefix from tracepoints

Remove the "rust_" prefix as the name is part of the uapi, and
userspace expects tracepoints to have the old names.

Link: https://github.com/Rust-for-Linux/linux/issues/1226
Suggested-by: Alice Ryhl <aliceryhl@google.com>
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Signed-off-by: Mohamad Alsadhan <mo@sdhn.cc>
Link: https://patch.msgid.link/20260317-rust-binder-trace-v3-1-6fae4fbcf637@sdhn.cc
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/android/binder/rust_binder_events.h b/drivers/android/binder/rust_binder_events.h
index 8ad785c6bd0f5783df1e764a8827fed41afbcb00..e3adfb93170d20fe85137678d2b820d675d4fbe4 100644 (file)
--- a/drivers/android/binder/rust_binder_events.h
+++ b/drivers/android/binder/rust_binder_events.h
@@ -15,7 +15,7 @@
 
 #include <linux/tracepoint.h>
 
-TRACE_EVENT(rust_binder_ioctl,
+TRACE_EVENT(binder_ioctl,
        TP_PROTO(unsigned int cmd, unsigned long arg),
        TP_ARGS(cmd, arg),
 
@@ -30,7 +30,7 @@ TRACE_EVENT(rust_binder_ioctl,
        TP_printk("cmd=0x%x arg=0x%lx", __entry->cmd, __entry->arg)
 );
 
-TRACE_EVENT(rust_binder_transaction,
+TRACE_EVENT(binder_transaction,
        TP_PROTO(bool reply, rust_binder_transaction t, struct task_struct *thread),
        TP_ARGS(reply, t, thread),
        TP_STRUCT__entry(

diff --git a/drivers/android/binder/trace.rs b/drivers/android/binder/trace.rs
index 9839901c7151590defed297b091f1339603c09df..d54b18ab71a89e49e5c720af651c69fda79299f5 100644 (file)
--- a/drivers/android/binder/trace.rs
+++ b/drivers/android/binder/trace.rs
@@ -10,8 +10,8 @@ use kernel::task::Task;
 use kernel::tracepoint::declare_trace;
 
 declare_trace! {
-    unsafe fn rust_binder_ioctl(cmd: c_uint, arg: c_ulong);
-    unsafe fn rust_binder_transaction(reply: bool, t: rust_binder_transaction, thread: *mut task_struct);
+    unsafe fn binder_ioctl(cmd: c_uint, arg: c_ulong);
+    unsafe fn binder_transaction(reply: bool, t: rust_binder_transaction, thread: *mut task_struct);
 }
 
 #[inline]
@@ -22,7 +22,7 @@ fn raw_transaction(t: &Transaction) -> rust_binder_transaction {
 #[inline]
 pub(crate) fn trace_ioctl(cmd: u32, arg: usize) {
     // SAFETY: Always safe to call.
-    unsafe { rust_binder_ioctl(cmd, arg as c_ulong) }
+    unsafe { binder_ioctl(cmd, arg as c_ulong) }
 }
 
 #[inline]
@@ -33,5 +33,5 @@ pub(crate) fn trace_transaction(reply: bool, t: &Transaction, thread: Option<&Ta
     };
     // SAFETY: The raw transaction is valid for the duration of this call. The thread pointer is
     // valid or null.
-    unsafe { rust_binder_transaction(reply, raw_transaction(t), thread) }
+    unsafe { binder_transaction(reply, raw_transaction(t), thread) }
 }