linux-kernel - Re: [PATCH] riscv: enable DEBUG_FORCE_FUNCTION_ALIGN

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Date:   Wed, 30 Aug 2023 06:24:39 -0700
From:   Palmer Dabbelt <palmer@...osinc.com>
To:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Jisheng Zhang <jszhang@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH] riscv: enable DEBUG_FORCE_FUNCTION_ALIGN_64B


On Fri, 28 Jul 2023 00:03:56 +0800, Jisheng Zhang wrote:
> Allow to force all function address 64B aligned as it is possible for
> other architectures. This may be useful when verify if performance
> bump is caused by function alignment changes.
> 
> Before commit 1bf18da62106 ("lib/Kconfig.debug: add ARCH dependency
> for FUNCTION_ALIGN option"), riscv supports enabling the
> DEBUG_FORCE_FUNCTION_ALIGN_64B option, but after that commit, each
> arch needs to claim the support explicitly. I tried the config file in
> [1] for both RV64 and RV32, I can't reproduce the build error as [1],
> there is no reason for not allowing to enforce this function alignment.
> 
> [...]

Applied, thanks!

[1/1] riscv: enable DEBUG_FORCE_FUNCTION_ALIGN_64B
      https://git.kernel.org/palmer/c/74f438e75483

Best regards,
-- 
Palmer Dabbelt <palmer@...osinc.com>