Re: [PATCH v2 0/2] riscv: access_ok() optimization - patchwork-bot+linux-riscv

From: patchwork-bot+linux-riscv@kernel.org
To: Samuel Holland <samuel.holland@sifive.com>
Cc: linux-riscv@lists.infradead.org, palmer@dabbelt.com,
	mark.rutland@arm.com, David.Laight@ACULAB.COM, arnd@arndb.de,
	alexghiti@rivosinc.com
Subject: Re: [PATCH v2 0/2] riscv: access_ok() optimization
Date: Wed, 22 May 2024 14:10:31 +0000	[thread overview]
Message-ID: <171638703175.12705.17804024426868195175.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20240327143858.711792-1-samuel.holland@sifive.com>

Hello:

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

On Wed, 27 Mar 2024 07:38:11 -0700 you wrote:
> This series optimizes access_ok() by defining TASK_SIZE_MAX. At Alex's
> suggestion, I also tried making TASK_SIZE constant (specifically by
> making PGDIR_SHIFT a variable instead of a ternary expression, then
> replacing the load with an immediate using ALTERNATIVE). This appeared
> to slightly improve performance on some implementations (C906) but
> regressed it on others (FU740). So I am leaving further optimizations to
> a later series.
> 
> [...]

Here is the summary with links:
  - [v2,1/2] riscv: Remove PGDIR_SIZE_L3 and TASK_SIZE_MIN
    https://git.kernel.org/riscv/c/9ad6bb3298d1
  - [v2,2/2] riscv: Define TASK_SIZE_MAX for __access_ok()
    https://git.kernel.org/riscv/c/ad5643cf2f69

You are awesome, thank you!
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