linux-kernel - Re: [PATCH v2] riscv: misaligned: remove CONFIG_RISCV_M

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Date: Sun, 28 Apr 2024 22:00:35 +0000
From: patchwork-bot+linux-riscv@...nel.org
To: Clément Léger <cleger@...osinc.com>@codeaurora.org
Cc: linux-riscv@...ts.infradead.org, paul.walmsley@...ive.com,
 palmer@...belt.com, aou@...s.berkeley.edu, linux-kernel@...r.kernel.org,
 ben.dooks@...ethink.co.uk, David.Laight@...LAB.COM, charlie@...osinc.com
Subject: Re: [PATCH v2] riscv: misaligned: remove CONFIG_RISCV_M_MODE specific
 code

Hello:

This patch was applied to riscv/linux.git (for-next)
by Palmer Dabbelt <palmer@...osinc.com>:

On Tue,  6 Feb 2024 16:40:59 +0100 you wrote:
> While reworking code to fix sparse errors, it appears that the
> RISCV_M_MODE specific could actually be removed and use the one for
> normal mode. Even though RISCV_M_MODE can do direct user memory access,
> using the user uaccess helpers is also going to work. Since there is no
> need anymore for specific accessors (load_u8()/store_u8()), we can
> directly use memcpy()/copy_{to/from}_user() and get rid of the copy
> loop entirely. __read_insn() is also fixed to use an unsigned long
> instead of a pointer which was cast in __user address space. The
> insn_addr parameter is now cast from unsigned lnog to the correct
> address space directly.
> 
> [...]

Here is the summary with links:
  - [v2] riscv: misaligned: remove CONFIG_RISCV_M_MODE specific code
    https://git.kernel.org/riscv/c/441381506ba7

You are awesome, thank you!
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