linux-kernel - Re: [PATCH bpf] selftests/bpf: Use asm constraint "m" for LoongArch

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Message-Id: 
 <173461143376.2240195.15373574452794250396.git-patchwork-notify@kernel.org>
Date: Thu, 19 Dec 2024 12:30:33 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Tiezhu Yang <yangtiezhu@...ngson.cn>
Cc: ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
 nathan@...nel.org, bpf@...r.kernel.org, llvm@...ts.linux.dev,
 loongarch@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH bpf] selftests/bpf: Use asm constraint "m" for LoongArch

Hello:

This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@...earbox.net>:

On Thu, 19 Dec 2024 19:15:06 +0800 you wrote:
> Currently, LoongArch LLVM does not support the constraint "o" and no plan
> to support it, it only supports the similar constraint "m", so change the
> constraints from "nor" in the "else" case to arch-specific "nmr" to avoid
> the build error such as "unexpected asm memory constraint" for LoongArch.
> 
> Cc: stable@...r.kernel.org
> Fixes: 630301b0d59d ("selftests/bpf: Add basic USDT selftests")
> Link: https://llvm.org/docs/LangRef.html#supported-constraint-code-list
> Link: https://github.com/llvm/llvm-project/blob/main/llvm/lib/Target/LoongArch/LoongArchISelDAGToDAG.cpp#L172
> Suggested-by: Weining Lu <luweining@...ngson.cn>
> Suggested-by: Li Chen <chenli@...ngson.cn>
> Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
> 
> [...]

Here is the summary with links:
  - [bpf] selftests/bpf: Use asm constraint "m" for LoongArch
    https://git.kernel.org/bpf/bpf/c/29d44cce324d

You are awesome, thank you!
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