From 8cace3f05003c6cb4d38c36890055f03151c2ad4 Mon Sep 17 00:00:00 2001 From: Richard Qin Date: Fri, 16 Oct 2026 02:39:56 +0800 Subject: Remove old code Signed-off-by: Richard Qin --- kernel/sync/cpu_state.h | 35 ----------------------------------- 1 file changed, 35 deletions(-) delete mode 100644 kernel/sync/cpu_state.h (limited to 'kernel/sync/cpu_state.h') diff --git a/kernel/sync/cpu_state.h b/kernel/sync/cpu_state.h deleted file mode 100644 index 1f7dde0..0000000 --- a/kernel/sync/cpu_state.h +++ /dev/null @@ -1,35 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* Copyright (C) 2026 Richard Qin */ - -#pragma once - -/* - * Per-CPU Interrupt Nesting Tracker - * - * Tracks spinlock nesting depth on each CPU to ensure interrupts - * are only restored when the last spinlock is released. - * - * BSS-segment global array; zero-initialized by entry.S BSS clear. - * Reference: docs/specs/spinlock.md §3.1 - */ - -#include -#include - -namespace sync { - -struct CpuSyncState { - int lock_depth; // Number of spinlocks held by this CPU - bool intr_was_on; // Were interrupts enabled before the first lock? -}; - -inline constexpr uint64 kInvalidCpuId = ~0ULL; - -// BSS-segment global array, zero-initialized by entry.S -extern CpuSyncState g_cpu_sync_states[kMaxCpus]; - -// Internal API — called only by Spinlock::acquire/release -void push_intr(); -void pop_intr(); - -} // namespace sync -- cgit v1.2.3