Begin removing/disabling wildcard imports.

cbiffle · cbiffle · commit cf46d21feb39 · 2024-04-17T14:51:56.000-07:00
This starts with the "core" code in sys, test, and jefe, and works out
from there.

Any package can opt into this at any time by adding this to its
Cargo.toml:

    [lints]
    workspace = true

This will also cause it to pick up any future lints we decide on.
diff --git a/Cargo.toml b/Cargo.toml
@@ -135,3 +135,6 @@ tlvc = { git = "https://github.com/oxidecomputer/tlvc", default-features = false
 tlvc-text = { git = "https://github.com/oxidecomputer/tlvc", default-features = false, version = "0.3.0" }
 transceiver-messages = { git = "https://github.com/oxidecomputer/transceiver-control/", default-features = false}
 vsc7448-pac = { git = "https://github.com/oxidecomputer/vsc7448", default-features = false }
+
+[workspace.lints.clippy]
+wildcard_imports = "deny"
diff --git a/lib/multitimer/Cargo.toml b/lib/multitimer/Cargo.toml
@@ -8,3 +8,6 @@ enum-map = { workspace = true }
 
 [target.'cfg(target_os = "none")'.dependencies]
 userlib = {path = "../../sys/userlib"}
+
+[lints]
+workspace = true
diff --git a/lib/multitimer/src/lib.rs b/lib/multitimer/src/lib.rs
@@ -213,8 +213,8 @@ mod fakes {
     use core::cell::Cell;
 
     thread_local! {
-        pub static CURRENT_TIME: Cell<u64> = Cell::new(0);
-        pub static TIMER_SETTING: Cell<(Option<u64>, u32)> = Cell::default();
+        pub static CURRENT_TIME: Cell<u64> = const { Cell::new(0) };
+        pub static TIMER_SETTING: Cell<(Option<u64>, u32)> = const { Cell::new((None, 0)) };
     }
 
     pub fn sys_set_timer(deadline: Option<u64>, not: u32) {
@@ -239,11 +239,14 @@ mod fakes {
     }
 }
 #[cfg(not(target_os = "none"))]
-use self::fakes::*;
+use self::fakes::{sys_get_timer, sys_set_timer};
 
 #[cfg(test)]
 mod tests {
-    use super::*;
+    use super::{
+        fakes, sys_get_timer, sys_set_timer, EnumArray, EnumMap, Multitimer,
+        Repeat, Timer,
+    };
 
     fn change_time(time: u64) {
         CURRENT_TIME.with(|t| t.set(time));
diff --git a/sys/abi/Cargo.toml b/sys/abi/Cargo.toml
@@ -9,3 +9,6 @@ bitflags = { workspace = true }
 byteorder = { workspace = true }
 serde = { workspace = true }
 phash = { path = "../../lib/phash" }
+
+[lints]
+workspace = true
diff --git a/sys/kern/Cargo.toml b/sys/kern/Cargo.toml
@@ -41,3 +41,6 @@ nano = []
 test = false
 doctest = false
 bench = false
+
+[lints]
+workspace = true
diff --git a/sys/kern/src/startup.rs b/sys/kern/src/startup.rs
@@ -5,7 +5,7 @@
 //! Kernel startup.
 
 use crate::atomic::AtomicExt;
-use crate::descs::*;
+use crate::descs::{RegionAttributes, RegionDesc, TaskDesc, TaskFlags};
 use crate::task::Task;
 use core::mem::MaybeUninit;
 use core::sync::atomic::{AtomicBool, Ordering};
diff --git a/sys/kerncore/Cargo.toml b/sys/kerncore/Cargo.toml
@@ -6,3 +6,6 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+
+[lints]
+workspace = true
diff --git a/sys/num-tasks/Cargo.toml b/sys/num-tasks/Cargo.toml
@@ -13,3 +13,6 @@ task-enum = []
 test = false
 doctest = false
 bench = false
+
+[lints]
+workspace = true
diff --git a/sys/userlib/Cargo.toml b/sys/userlib/Cargo.toml
@@ -51,3 +51,6 @@ build-util = { path = "../../build/util" }
 test = false
 doctest = false
 bench = false
+
+[lints]
+workspace = true
diff --git a/task/jefe/Cargo.toml b/task/jefe/Cargo.toml
@@ -39,3 +39,6 @@ name = "task-jefe"
 test = false
 doctest = false
 bench = false
+
+[lints]
+workspace = true
diff --git a/task/jefe/src/dump.rs b/task/jefe/src/dump.rs
@@ -6,9 +6,9 @@
 
 use crate::generated::{DUMP_ADDRESS_MAX, DUMP_ADDRESS_MIN, DUMP_AREAS};
 use humpty::{DumpArea, DumpContents};
-use ringbuf::*;
+use ringbuf::{ringbuf, ringbuf_entry};
 use task_jefe_api::DumpAgentError;
-use userlib::*;
+use userlib::{kipc, TaskDumpRegion, UnwrapLite};
 
 #[cfg(all(
     armv8m,
@@ -182,14 +182,17 @@ fn dump_task_setup(
 /// Once a task dump is set up, this function executes it
 fn dump_task_run(base: u32, task: usize) -> Result<(), DumpAgentError> {
     ringbuf_entry!(Trace::DumpStart { base });
-    let start = sys_get_timer().now;
+    let start = userlib::sys_get_timer().now;
 
     //
     // The humpty dance is your chance... to do the dump!
     //
     let r = humpty::dump::<(), 512, { humpty::DUMPER_JEFE }>(
         base,
-        Some(humpty::DumpTask::new(task as u16, sys_get_timer().now)),
+        Some(humpty::DumpTask::new(
+            task as u16,
+            userlib::sys_get_timer().now,
+        )),
         || Ok(None),
         |addr, buf, meta| {
             ringbuf_entry!(Trace::DumpReading {
@@ -232,7 +235,7 @@ fn dump_task_run(base: u32, task: usize) -> Result<(), DumpAgentError> {
     ringbuf_entry!(Trace::DumpDone(r));
     ringbuf_entry!(Trace::DumpTime {
         start,
-        end: sys_get_timer().now
+        end: userlib::sys_get_timer().now
     });
 
     r.map_err(|_| DumpAgentError::DumpFailed)?;
diff --git a/task/jefe/src/external.rs b/task/jefe/src/external.rs
@@ -50,8 +50,8 @@ use core::sync::atomic::{AtomicU32, Ordering};
 #[allow(unused_imports)]
 use armv6m_atomic_hack::AtomicU32Ext;
 
-use ringbuf::*;
-use userlib::*;
+use ringbuf::{ringbuf, ringbuf_entry};
+use userlib::{kipc, FromPrimitive};
 
 /// The actual requests that we honor from an external source entity
 #[derive(FromPrimitive, Copy, Clone, Debug, Eq, PartialEq)]
diff --git a/task/jefe/src/main.rs b/task/jefe/src/main.rs
@@ -37,7 +37,7 @@ use hubris_num_tasks::NUM_TASKS;
 use humpty::DumpArea;
 use idol_runtime::RequestError;
 use task_jefe_api::{DumpAgentError, ResetReason};
-use userlib::*;
+use userlib::{kipc, Generation, TaskId};
 
 #[derive(Copy, Clone, Debug, Eq, PartialEq, Default)]
 pub enum Disposition {
@@ -61,7 +61,7 @@ fn main() -> ! {
     }
 
     let deadline =
-        set_timer_relative(TIMER_INTERVAL, notifications::TIMER_MASK);
+        userlib::set_timer_relative(TIMER_INTERVAL, notifications::TIMER_MASK);
 
     external::set_ready();
 
@@ -133,8 +133,8 @@ impl idl::InOrderJefeImpl for ServerImpl<'_> {
             for (task, mask) in generated::MAILING_LIST {
                 let taskid =
                     TaskId::for_index_and_gen(task as usize, Generation::ZERO);
-                let taskid = sys_refresh_task_id(taskid);
-                sys_post(taskid, mask);
+                let taskid = userlib::sys_refresh_task_id(taskid);
+                userlib::sys_post(taskid, mask);
             }
         }
         Ok(())
@@ -293,8 +293,8 @@ impl idol_runtime::NotificationHandler for ServerImpl<'_> {
 
         if bits & notifications::TIMER_MASK != 0 {
             // If our timer went off, we need to reestablish it
-            if sys_get_timer().now >= self.deadline {
-                self.deadline = set_timer_relative(
+            if userlib::sys_get_timer().now >= self.deadline {
+                self.deadline = userlib::set_timer_relative(
                     TIMER_INTERVAL,
                     notifications::TIMER_MASK,
                 );
diff --git a/test/test-api/Cargo.toml b/test/test-api/Cargo.toml
@@ -17,3 +17,6 @@ build-util = { path = "../../build/util" }
 test = false
 doctest = false
 bench = false
+
+[lints]
+workspace = true
diff --git a/test/test-api/src/lib.rs b/test/test-api/src/lib.rs
@@ -4,7 +4,7 @@
 
 #![no_std]
 
-use userlib::*;
+use userlib::FromPrimitive;
 
 /// Operations that are performed by the test-assist
 #[derive(FromPrimitive, Debug, Eq, PartialEq)]
diff --git a/test/test-assist/Cargo.toml b/test/test-assist/Cargo.toml
@@ -22,3 +22,6 @@ name = "test-assist"
 test = false
 doctest = false
 bench = false
+
+[lints]
+workspace = true
diff --git a/test/test-assist/src/main.rs b/test/test-assist/src/main.rs
@@ -9,8 +9,10 @@
 
 use core::arch::asm;
 use hubris_num_tasks::NUM_TASKS;
-use test_api::*;
-use userlib::*;
+use test_api::AssistOp;
+use userlib::{
+    hl, kipc, sys_refresh_task_id, sys_send, Generation, Lease, TaskId,
+};
 use zerocopy::AsBytes;
 
 #[inline(never)]
diff --git a/test/test-idol-api/Cargo.toml b/test/test-idol-api/Cargo.toml
@@ -22,3 +22,6 @@ bench = false
 
 [build-dependencies]
 idol = { workspace = true }
+
+[lints]
+workspace = true
diff --git a/test/test-idol-api/src/lib.rs b/test/test-idol-api/src/lib.rs
@@ -8,7 +8,7 @@
 
 use derive_idol_err::IdolError;
 use serde::{Deserialize, Serialize};
-use userlib::*;
+use userlib::{sys_send, FromPrimitive};
 
 #[derive(
     Copy, Clone, Debug, Eq, PartialEq, FromPrimitive, IdolError, counters::Count,
diff --git a/test/test-idol-server/Cargo.toml b/test/test-idol-server/Cargo.toml
@@ -24,3 +24,6 @@ name = "test-idol-server"
 test = false
 doctest = false
 bench = false
+
+[lints]
+workspace = true
diff --git a/test/test-idol-server/src/main.rs b/test/test-idol-server/src/main.rs
@@ -7,7 +7,7 @@
 
 use idol_runtime::{NotificationHandler, RequestError};
 use test_idol_api::{FancyTestType, IdolTestError, SocketName, UdpMetadata};
-use userlib::*;
+use userlib::RecvMessage;
 
 struct ServerImpl;
 
@@ -103,7 +103,8 @@ fn main() -> ! {
 }
 
 mod idl {
-    use super::*;
+    use super::FancyTestType;
+    use test_idol_api::{IdolTestError, SocketName, UdpMetadata};
 
     include!(concat!(env!("OUT_DIR"), "/server_stub.rs"));
 }
diff --git a/test/test-runner/Cargo.toml b/test/test-runner/Cargo.toml
@@ -25,3 +25,6 @@ name = "test-runner"
 test = false
 doctest = false
 bench = false
+
+[lints]
+workspace = true
diff --git a/test/test-runner/src/main.rs b/test/test-runner/src/main.rs
@@ -48,9 +48,9 @@
 #![no_std]
 #![no_main]
 
-use ringbuf::*;
-use test_api::*;
-use userlib::*;
+use ringbuf::{ringbuf, ringbuf_entry};
+use test_api::{RunnerOp, TestResult};
+use userlib::{hl, kipc, TaskId, TaskState};
 
 /// We are sensitive to all notifications, to catch unexpected ones in test.
 const ALL_NOTIFICATIONS: u32 = !0;
diff --git a/test/test-suite/Cargo.toml b/test/test-suite/Cargo.toml
@@ -32,3 +32,6 @@ name = "test-suite"
 test = false
 doctest = false
 bench = false
+
+[lints]
+workspace = true
diff --git a/test/test-suite/src/main.rs b/test/test-suite/src/main.rs
