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From: Ben Dooks <ben.dooks@codethink.co.uk>
To: linux-kernel@lists.codethink.co.uk, linux-riscv@lists.infradead.org
Cc: palmer@dabbelt.com, aou@eecs.berkeley.edu,
	linux-kernel@vger.kernel.org, Bin Meng <bmeng.cn@gmail.com>
Subject: Re: [PATCH] riscv: add correct as-options for assembly in modules
Date: Sun, 29 May 2022 16:23:45 +0100	[thread overview]
Message-ID: <1a624c79-c4c5-ab7c-f438-134822abfa14@codethink.co.uk> (raw)
In-Reply-To: <20220529151920.609642-1-ben.dooks@codethink.co.uk>

On 29/05/2022 16:19, Ben Dooks wrote:
> When trying to load modules built for riscv which include assembly
> the kernel loader errors with "unexpected relocation type 'R_RISCV_ALIGN'"
> due to R_RISCV_ALIGN relocations being generated by the assembler.
> 
> In commit 7a8e7da42250138 ("RISC-V: Fixes to module loading") the
> CFLAGS have -mno-relax added. This however does not get applied to
> KBUILD_AFLAGS_MODULE so when a module builds a .S file, the -mno-relax
> is not passed and the above error is seen. Fix it by adding the flags
> '-Wa,-mno-relax' to KBUILD_AFLAGS_MODULE.
> 
> This may have been fixed in gcc, in:
>   https://github.com/gcc-mirror/gcc/commit/3b0a7d624e64eeb81e4d5e8c62c46d86ef521857
> 
> Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Apologies, this was the wrong branch. Will resen

-- 
Ben Dooks				http://www.codethink.co.uk/
Senior Engineer				Codethink - Providing Genius

https://www.codethink.co.uk/privacy.html

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WARNING: multiple messages have this Message-ID (diff)
From: Ben Dooks <ben.dooks@codethink.co.uk>
To: linux-kernel@lists.codethink.co.uk, linux-riscv@lists.infradead.org
Cc: palmer@dabbelt.com, aou@eecs.berkeley.edu,
	linux-kernel@vger.kernel.org, Bin Meng <bmeng.cn@gmail.com>
Subject: Re: [PATCH] riscv: add correct as-options for assembly in modules
Date: Sun, 29 May 2022 16:23:45 +0100	[thread overview]
Message-ID: <1a624c79-c4c5-ab7c-f438-134822abfa14@codethink.co.uk> (raw)
In-Reply-To: <20220529151920.609642-1-ben.dooks@codethink.co.uk>

On 29/05/2022 16:19, Ben Dooks wrote:
> When trying to load modules built for riscv which include assembly
> the kernel loader errors with "unexpected relocation type 'R_RISCV_ALIGN'"
> due to R_RISCV_ALIGN relocations being generated by the assembler.
> 
> In commit 7a8e7da42250138 ("RISC-V: Fixes to module loading") the
> CFLAGS have -mno-relax added. This however does not get applied to
> KBUILD_AFLAGS_MODULE so when a module builds a .S file, the -mno-relax
> is not passed and the above error is seen. Fix it by adding the flags
> '-Wa,-mno-relax' to KBUILD_AFLAGS_MODULE.
> 
> This may have been fixed in gcc, in:
>   https://github.com/gcc-mirror/gcc/commit/3b0a7d624e64eeb81e4d5e8c62c46d86ef521857
> 
> Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Apologies, this was the wrong branch. Will resen

-- 
Ben Dooks				http://www.codethink.co.uk/
Senior Engineer				Codethink - Providing Genius

https://www.codethink.co.uk/privacy.html

  reply	other threads:[~2022-05-29 15:24 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-29 15:19 [PATCH] riscv: add correct as-options for assembly in modules Ben Dooks
2022-05-29 15:19 ` Ben Dooks
2022-05-29 15:23 ` Ben Dooks [this message]
2022-05-29 15:23   ` Ben Dooks
  -- strict thread matches above, loose matches on Subject: below --
2021-12-08 19:26 Ben Dooks
2021-12-08 19:26 ` Ben Dooks
2022-01-10 15:51 ` Ben Dooks
2022-01-10 15:51   ` Ben Dooks
2022-01-11  7:41 ` Bin Meng
2022-01-11  7:41   ` Bin Meng
2021-07-12 17:48 Ben Dooks
2021-07-12 17:48 ` Ben Dooks
2021-07-16 10:23 ` Ben Dooks
2021-07-16 10:23   ` Ben Dooks
2021-07-16 10:44 ` Bin Meng
2021-07-16 10:44   ` Bin Meng
2021-07-16 15:33   ` Ben Dooks
2021-07-16 15:33     ` Ben Dooks
2021-07-16 22:37     ` Bin Meng
2021-07-16 22:37       ` Bin Meng

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