mirror of
https://github.com/torvalds/linux
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e921050022
This reverts the remaining bits of commit4bd1d80efb("riscv: mm: notify remote harts harts about mmu cache updates"). According to bug reports, suggested approach to fix stale TLB entries is not sufficient. It needs to be replaced by a more robust solution. Fixes:4bd1d80efb("riscv: mm: notify remote harts about mmu cache updates") Reported-by: Zong Li <zong.li@sifive.com> Reported-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: Sergey Matyukevich <sergey.matyukevich@syntacore.com> Cc: stable@vger.kernel.org Reviewed-by: Guo Ren <guoren@kernel.org> Link: https://lore.kernel.org/r/20230226150137.1919750-2-geomatsi@gmail.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
30 lines
610 B
C
30 lines
610 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2012 Regents of the University of California
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*/
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#ifndef _ASM_RISCV_MMU_H
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#define _ASM_RISCV_MMU_H
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#ifndef __ASSEMBLY__
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typedef struct {
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#ifndef CONFIG_MMU
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unsigned long end_brk;
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#else
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atomic_long_t id;
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#endif
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void *vdso;
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#ifdef CONFIG_SMP
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/* A local icache flush is needed before user execution can resume. */
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cpumask_t icache_stale_mask;
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#endif
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} mm_context_t;
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void __init create_pgd_mapping(pgd_t *pgdp, uintptr_t va, phys_addr_t pa,
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phys_addr_t sz, pgprot_t prot);
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#endif /* __ASSEMBLY__ */
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#endif /* _ASM_RISCV_MMU_H */
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