cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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mmu_context.h (855B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef _LINUX_MMU_CONTEXT_H
      3#define _LINUX_MMU_CONTEXT_H
      4
      5#include <asm/mmu_context.h>
      6#include <asm/mmu.h>
      7
      8/* Architectures that care about IRQ state in switch_mm can override this. */
      9#ifndef switch_mm_irqs_off
     10# define switch_mm_irqs_off switch_mm
     11#endif
     12
     13#ifndef leave_mm
     14static inline void leave_mm(int cpu) { }
     15#endif
     16
     17/*
     18 * CPUs that are capable of running user task @p. Must contain at least one
     19 * active CPU. It is assumed that the kernel can run on all CPUs, so calling
     20 * this for a kernel thread is pointless.
     21 *
     22 * By default, we assume a sane, homogeneous system.
     23 */
     24#ifndef task_cpu_possible_mask
     25# define task_cpu_possible_mask(p)	cpu_possible_mask
     26# define task_cpu_possible(cpu, p)	true
     27#else
     28# define task_cpu_possible(cpu, p)	cpumask_test_cpu((cpu), task_cpu_possible_mask(p))
     29#endif
     30
     31#endif