From: guoren@kernel.org
To: linux-kernel@vger.kernel.org, paul.walmsley@sifive.com,
palmer@dabbelt.com, alexghiti@rivosinc.com, charlie@rivosinc.com,
xiao.w.wang@intel.com, guoren@kernel.org, david@redhat.com,
panqinglin2020@iscas.ac.cn, rick.p.edgecombe@intel.com,
willy@infradead.org, bjorn@rivosinc.com,
conor.dooley@microchip.com, cleger@rivosinc.com,
leobras@redhat.com
Cc: linux-riscv@lists.infradead.org, Guo Ren <guoren@linux.alibaba.com>
Subject: [PATCH V3 0/4] riscv: mm: Fixup & Optimize COMPAT code
Date: Fri, 22 Dec 2023 06:56:59 -0500 [thread overview]
Message-ID: <20231222115703.2404036-1-guoren@kernel.org> (raw)
From: Guo Ren <guoren@linux.alibaba.com>
When the task is in COMPAT mode, the TASK_SIZE should be 2GB, so
STACK_TOP_MAX and arch_get_mmap_end must be limited to 2 GB. This series
fixes the problem made by commit: add2cc6b6515 ("RISC-V: mm: Restrict
address space for sv39,sv48,sv57") and optimizes the related coding
convention of TASK_SIZE.
Changelog:
v3:
- Remove wrong modification of arch_get_mmap_end
- Remove is_compat_task optimization
- Update comment log
v2:
https://lore.kernel.org/linux-riscv/20231221154702.2267684-1-guoren@kernel.org/
- Separate rename from fixup
- Add STACK_TOP_MAX fixup for compat
- Add Cleanup & rename patches
v1:
https://lore.kernel.org/linux-riscv/20231219111701.1886903-1-guoren@kernel.org/
Guo Ren (4):
riscv: mm: Fixup compat mode boot failure
riscv: mm: Fixup compat arch_get_mmap_end
riscv: mm: Remove unused TASK_SIZE_MIN
riscv: mm: Optimize TASK_SIZE definition
arch/riscv/include/asm/pgtable.h | 7 +++----
arch/riscv/include/asm/processor.h | 2 +-
2 files changed, 4 insertions(+), 5 deletions(-)
--
2.40.1
next reply other threads:[~2023-12-22 11:57 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-22 11:56 guoren [this message]
2023-12-22 11:57 ` [PATCH V3 1/4] riscv: mm: Fixup compat mode boot failure guoren
2023-12-23 2:57 ` Leonardo Bras
2023-12-23 3:07 ` Guo Ren
2023-12-23 3:36 ` Charlie Jenkins
2023-12-22 11:57 ` [PATCH V3 2/4] riscv: mm: Fixup compat arch_get_mmap_end guoren
2023-12-23 2:51 ` Leonardo Bras
2023-12-23 3:39 ` Charlie Jenkins
2023-12-22 11:57 ` [PATCH V3 3/4] riscv: mm: Remove unused TASK_SIZE_MIN guoren
2024-01-24 18:35 ` Charlie Jenkins
2023-12-22 11:57 ` [PATCH V3 4/4] riscv: mm: Optimize TASK_SIZE definition guoren
2024-01-24 18:36 ` Charlie Jenkins
2024-01-12 6:30 ` [PATCH V3 0/4] riscv: mm: Fixup & Optimize COMPAT code patchwork-bot+linux-riscv
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