linux-kernel - [PATCH V2 0/4] riscv: mm: Fixup & Optimize COMPAT code

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Date: Thu, 21 Dec 2023 10:46:57 -0500
From: guoren@...nel.org
To: linux-kernel@...r.kernel.org,
	paul.walmsley@...ive.com,
	palmer@...belt.com,
	alexghiti@...osinc.com,
	charlie@...osinc.com,
	xiao.w.wang@...el.com,
	guoren@...nel.org,
	david@...hat.com,
	panqinglin2020@...as.ac.cn,
	rick.p.edgecombe@...el.com,
	willy@...radead.org,
	bjorn@...osinc.com,
	conor.dooley@...rochip.com,
	cleger@...osinc.com,
	leobras@...hat.com
Cc: linux-riscv@...ts.infradead.org,
	Guo Ren <guoren@...ux.alibaba.com>
Subject: [PATCH V2 0/4] riscv: mm: Fixup & Optimize COMPAT code 

From: Guo Ren <guoren@...ux.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:
v2:
 - 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   | 9 ++++-----
 arch/riscv/include/asm/processor.h | 6 ++----
 2 files changed, 6 insertions(+), 9 deletions(-)

-- 
2.40.1