linux-kernel - [PATCH V5 0/3] riscv: Fixup asid

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Date:   Sun, 30 May 2021 16:49:23 +0000
From:   guoren@...nel.org
To:     guoren@...nel.org, anup.patel@....com, palmerdabbelt@...gle.com,
        arnd@...db.de, hch@....de
Cc:     linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arch@...r.kernel.org, Guo Ren <guoren@...ux.alibaba.com>
Subject: [PATCH V5 0/3] riscv: Fixup asid_allocator remaining issues

From: Guo Ren <guoren@...ux.alibaba.com>

The patchset fixes the remaining problems of asid_allocator.
 - Fixup _PAGE_GLOBAL for kernel virtual address mapping
 - Optimize tlb_flush with asid & range

Changes since v4:
 - Fixup double PAGE_SIZE add in local_flush_tlb_range_asid
 - Add tlbflush: Optimize coding convention
 - Optimize comment

Changes since v3:
 - Optimize coding convention for
   "riscv: Use use_asid_allocator flush TLB"

Changes since v2:
 - Remove PAGE_UP/DOWN usage in tlbflush.h
 - Optimize variable name

Changes since v1:
 - Drop PAGE_UP wrong fixup
 - Rebase on clean linux-5.13-rc2
 - Add Reviewed-by

Guo Ren (3):
  riscv: Use global mappings for kernel pages
  riscv: Add ASID-based tlbflushing methods
  riscv: tlbflush: Optimize coding convention

 arch/riscv/include/asm/mmu_context.h |  2 ++
 arch/riscv/include/asm/pgtable.h     |  3 +-
 arch/riscv/include/asm/tlbflush.h    | 22 ++++++++++++++
 arch/riscv/mm/context.c              |  2 +-
 arch/riscv/mm/tlbflush.c             | 57 ++++++++++++++++++++++++++++--------
 5 files changed, 71 insertions(+), 15 deletions(-)

-- 
2.7.4