linux-stable/include/linux/mmu_context.h
Yosry Ahmed 7dbbc8f57d x86/mm: delete unused cpu argument to leave_mm()
The argument is unused since commit 3d28ebceaf ("x86/mm: Rework lazy
TLB to track the actual loaded mm"), delete it.

Link: https://lkml.kernel.org/r/20240126080644.1714297-1-yosryahmed@google.com
Signed-off-by: Yosry Ahmed <yosryahmed@google.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-02-22 10:24:41 -08:00

46 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_MMU_CONTEXT_H
#define _LINUX_MMU_CONTEXT_H
#include <asm/mmu_context.h>
#include <asm/mmu.h>
/* Architectures that care about IRQ state in switch_mm can override this. */
#ifndef switch_mm_irqs_off
# define switch_mm_irqs_off switch_mm
#endif
#ifndef leave_mm
static inline void leave_mm(void) { }
#endif
/*
* CPUs that are capable of running user task @p. Must contain at least one
* active CPU. It is assumed that the kernel can run on all CPUs, so calling
* this for a kernel thread is pointless.
*
* By default, we assume a sane, homogeneous system.
*/
#ifndef task_cpu_possible_mask
# define task_cpu_possible_mask(p) cpu_possible_mask
# define task_cpu_possible(cpu, p) true
#else
# define task_cpu_possible(cpu, p) cpumask_test_cpu((cpu), task_cpu_possible_mask(p))
#endif
#ifndef mm_untag_mask
static inline unsigned long mm_untag_mask(struct mm_struct *mm)
{
return -1UL;
}
#endif
#ifndef arch_pgtable_dma_compat
static inline bool arch_pgtable_dma_compat(struct mm_struct *mm)
{
return true;
}
#endif
#endif