linux-kernel - Re: [PATCH] tools: add forwarding header for arch/riscv/include/asm/fence.h

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Message-ID: <d380fd10-ebc4-4d66-becb-13995372d41a@ghiti.fr>
Date: Mon, 4 Nov 2024 11:02:14 +0100
From: Alexandre Ghiti <alex@...ti.fr>
To: Andreas Schwab <schwab@...e.de>, linux-riscv@...ts.infradead.org,
 Björn Töpel <bjorn@...osinc.com>
Cc: Charlie Jenkins <charlie@...osinc.com>,
 Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
 <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
 Andrea Parri <parri.andrea@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tools: add forwarding header for
 arch/riscv/include/asm/fence.h

Hi Andreas,

On 07/10/2024 09:24, Andreas Schwab wrote:
> This is needed so that <asm/barrier.h> can find <asm/fence.h> on riscv.
>
> Fixes: 6d74d178fe6e ("tools: Add riscv barrier implementation")
> Signed-off-by: Andreas Schwab <schwab@...e.de>
> ---
>   tools/include/asm/fence.h | 3 +++
>   1 file changed, 3 insertions(+)
>   create mode 100644 tools/include/asm/fence.h
>
> diff --git a/tools/include/asm/fence.h b/tools/include/asm/fence.h
> new file mode 100644
> index 000000000000..917a173059a4
> --- /dev/null
> +++ b/tools/include/asm/fence.h
> @@ -0,0 +1,3 @@
> +#if defined(__riscv)
> +#include "../../arch/riscv/include/asm/fence.h"
> +#endif


After a discussion with Bjorn, it appears that he had already solved 
this issue with the following patch: 
https://lore.kernel.org/linux-riscv/20240927131355.350918-1-bjorn@kernel.org/ 
which we find cleaner. I have just tested his, and it indeed fixes the 
build error.

Unless you have any objection, we'll try to make Bjorn's patch into 
6.12-rc7 instead of yours.

Thanks,

Alex