Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
Michael S. Tsirkin | 3d2d827 | 2009-09-21 17:03:51 -0700 | [diff] [blame] | 2 | #ifndef _LINUX_MMU_CONTEXT_H |
| 3 | #define _LINUX_MMU_CONTEXT_H |
| 4 | |
Andy Lutomirski | f98db60 | 2016-04-26 09:39:06 -0700 | [diff] [blame] | 5 | #include <asm/mmu_context.h> |
Peter Zijlstra | bf9282d | 2020-08-12 12:22:17 +0200 | [diff] [blame] | 6 | #include <asm/mmu.h> |
Andy Lutomirski | f98db60 | 2016-04-26 09:39:06 -0700 | [diff] [blame] | 7 | |
Andy Lutomirski | f98db60 | 2016-04-26 09:39:06 -0700 | [diff] [blame] | 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 | |
Peter Zijlstra | bf9282d | 2020-08-12 12:22:17 +0200 | [diff] [blame] | 13 | #ifndef leave_mm |
| 14 | static inline void leave_mm(int cpu) { } |
| 15 | #endif |
| 16 | |
Will Deacon | 9ae606b | 2021-07-30 12:24:28 +0100 | [diff] [blame] | 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 | |
Michael S. Tsirkin | 3d2d827 | 2009-09-21 17:03:51 -0700 | [diff] [blame] | 31 | #endif |