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ke: add generic IPI mechanism

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Loïc Grégoire
2026-08-03 20:00:45 -04:00
parent 312902931f
commit 4aaae63349
9 changed files with 193 additions and 54 deletions
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src/kern/sched.zig
+3 -2
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@@ -95,6 +95,7 @@ const config = @import("config");
const r = @import("root");
const ke = r.ke;
const ki = ke.private;
const pl = r.pl;
const runqueues_n = 64;
const interactivity_threshold = 30;
@@ -624,7 +625,7 @@ pub fn update_priority_locked(td: *ke.Thread, new_prio: u8) void {
ki.ipl.set_softint_pending(c, .Dispatch);
if (c != ke.cpu.current()) {
ki.impl.send_resched_ipi(c);
pl.send_ipi(c);
}
}
@@ -1101,7 +1102,7 @@ fn enqueue_on_cpu(c: u32, td: *ke.Thread) void {
if (c != ke.cpu.current()) {
// Send an IPI.
ki.impl.send_resched_ipi(c);
pl.send_ipi(c);
}
// queues_lock dropped