Merge remote-tracking branch 'origin/relibc'

src/arch/x86_64/idt.rs

src/arch/x86_64/interrupt/ipi.rs

src/arch/x86_64/interrupt/irq.rs

src/arch/x86_64/ipi.rs

src/arch/x86_64/mod.rs

src/arch/x86_64/paging/mod.rs

src/context/context.rs

src/context/list.rs

src/context/memory.rs

src/context/mod.rs

src/elf.rs

src/event.rs

src/lib.rs

src/scheme/env.rs

src/scheme/event.rs

src/scheme/mod.rs

src/syscall/debug.rs

src/syscall/fs.rs

src/syscall/mod.rs

src/syscall/process.rs