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>
72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _SPARC64_TLBFLUSH_H
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#define _SPARC64_TLBFLUSH_H
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#include <asm/mmu_context.h>
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/* TSB flush operations. */
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#define TLB_BATCH_NR 192
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struct tlb_batch {
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unsigned int hugepage_shift;
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struct mm_struct *mm;
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unsigned long tlb_nr;
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unsigned long active;
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unsigned long vaddrs[TLB_BATCH_NR];
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};
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void flush_tsb_kernel_range(unsigned long start, unsigned long end);
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void flush_tsb_user(struct tlb_batch *tb);
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void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr,
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unsigned int hugepage_shift);
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/* TLB flush operations. */
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static inline void flush_tlb_mm(struct mm_struct *mm)
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{
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}
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static inline void flush_tlb_page(struct vm_area_struct *vma,
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unsigned long vmaddr)
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{
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}
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static inline void flush_tlb_range(struct vm_area_struct *vma,
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unsigned long start, unsigned long end)
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{
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}
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void flush_tlb_kernel_range(unsigned long start, unsigned long end);
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#define __HAVE_ARCH_ENTER_LAZY_MMU_MODE
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void flush_tlb_pending(void);
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void arch_enter_lazy_mmu_mode(void);
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void arch_leave_lazy_mmu_mode(void);
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#define arch_flush_lazy_mmu_mode() do {} while (0)
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/* Local cpu only. */
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void __flush_tlb_all(void);
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void __flush_tlb_page(unsigned long context, unsigned long vaddr);
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void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
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#ifndef CONFIG_SMP
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static inline void global_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr)
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{
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__flush_tlb_page(CTX_HWBITS(mm->context), vaddr);
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}
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#else /* CONFIG_SMP */
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void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end);
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void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr);
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#define global_flush_tlb_page(mm, vaddr) \
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smp_flush_tlb_page(mm, vaddr)
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#endif /* ! CONFIG_SMP */
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#endif /* _SPARC64_TLBFLUSH_H */
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