Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_MMU_CONTEXT_H
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#define _LINUX_MMU_CONTEXT_H
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#include <asm/mmu_context.h>
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#include <asm/mmu.h>
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/* Architectures that care about IRQ state in switch_mm can override this. */
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#ifndef switch_mm_irqs_off
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# define switch_mm_irqs_off switch_mm
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#endif
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#ifndef leave_mm
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static inline void leave_mm(void) { }
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#endif
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/*
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* CPUs that are capable of running user task @p. Must contain at least one
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* active CPU. It is assumed that the kernel can run on all CPUs, so calling
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* this for a kernel thread is pointless.
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*
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* By default, we assume a sane, homogeneous system.
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*/
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#ifndef task_cpu_possible_mask
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# define task_cpu_possible_mask(p) cpu_possible_mask
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# define task_cpu_possible(cpu, p) true
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# define task_cpu_fallback_mask(p) housekeeping_cpumask(HK_TYPE_TICK)
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#else
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# define task_cpu_possible(cpu, p) cpumask_test_cpu((cpu), task_cpu_possible_mask(p))
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#endif
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#ifndef mm_untag_mask
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static inline unsigned long mm_untag_mask(struct mm_struct *mm)
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{
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return -1UL;
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}
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#endif
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#ifndef arch_pgtable_dma_compat
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static inline bool arch_pgtable_dma_compat(struct mm_struct *mm)
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{
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return true;
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}
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#endif
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#endif
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