linux-kernel - [PATCH v4 0/2] riscv: Fix issues with module loading

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Message-Id: <20231127-module_linking_freeing-v4-0-a2ca1d7027d0@rivosinc.com>
Date:   Mon, 27 Nov 2023 14:04:58 -0800
From:   Charlie Jenkins <charlie@...osinc.com>
To:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>, Ron Economos <re@...z.net>,
        Samuel Holland <samuel.holland@...ive.com>,
        Andreas Schwab <schwab@...ux-m68k.org>
Cc:     linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Charlie Jenkins <charlie@...osinc.com>
Subject: [PATCH v4 0/2] riscv: Fix issues with module loading

Module loading did not account for multiple threads concurrently loading
modules. This patch fixes that issue. There is also a small patch to fix
the type of a __le16 variable.

Signed-off-by: Charlie Jenkins <charlie@...osinc.com>
---
Changes in v4:
- Make functions only used internally static
- Free data structures on kmalloc failure (Andreas)
- Link to v3: https://lore.kernel.org/r/20231122-module_linking_freeing-v3-0-8e9e412a3305@rivosinc.com

Changes in v3:
- Cleanup pointer passing (Samuel)
- Correct indentation (Samuel)
- Check for kmalloc failures (Samuel)
- Link to v2: https://lore.kernel.org/r/20231121-module_linking_freeing-v2-1-974bfcd3664e@rivosinc.com

Changes in v2:
- Support linking modules concurrently across threads.
- Link to v1: https://lore.kernel.org/r/20231120-module_linking_freeing-v1-1-fff81d7289fc@rivosinc.com

---
Charlie Jenkins (2):
      riscv: Safely remove entries from relocation list
      riscv: Correct type casting in module loading

 arch/riscv/kernel/module.c | 114 +++++++++++++++++++++++++++++++++------------
 1 file changed, 84 insertions(+), 30 deletions(-)
---
base-commit: 98b1cc82c4affc16f5598d4fa14b1858671b2263
change-id: 20231120-module_linking_freeing-2b5a3b255b5e
-- 
- Charlie