linux-kernel - [PATCH 0/2] riscv: misaligned: Add ZCB handling and fix sleeping function

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Message-Id: <20250411073850.3699180-1-nylon.chen@sifive.com>
Date: Fri, 11 Apr 2025 15:38:48 +0800
From: Nylon Chen <nylon.chen@...ive.com>
To: linux-kernel@...r.kernel.org
Cc: linux-riscv@...ts.infradead.org,
	paul.walmsley@...ive.com,
	palmer@...belt.com,
	aou@...s.berkeley.edu,
	alex@...ti.fr,
	charlie@...osinc.com,
	jesse@...osinc.com,
	evan@...osinc.com,
	nylon.chen@...ive.com,
	cleger@...osinc.com,
	zhangchunyan@...as.ac.cn,
	samuel.holland@...ive.com,
	zong.li@...ive.com
Subject: [PATCH 0/2] riscv: misaligned: Add ZCB handling and fix sleeping function

1. Adds support for ZCB compressed instructions (C.LHU, C.LH, C.SH).

2. Fixes a bug where copy_from/to_user() calls in non-sleepable contexts
triggered attempts to sleep.

Signed-off-by: Zong Li <zong.li@...ive.com>
Signed-off-by: Nylon Chen nylon.chen@...ive.com

Nylon Chen (2):
  riscv: misaligned: Add handling for ZCB instructions
  riscv: misaligned: fix sleeping function called during misaligned
    access handling

 arch/riscv/kernel/traps_misaligned.c | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

-- 
2.34.1