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Subject: Re: [PATCH v2 bpf-next] arm64: mm: Complete the PTE store in
 ptep_try_set()
From: patchwork-bot+netdevbpf@kernel.org
Message-Id: 
 <178092001114.1007295.14338085080112012433.git-patchwork-notify@kernel.org>
Date: Mon, 08 Jun 2026 12:00:11 +0000
References: <7f5f7c94601312c1a401fb18998291cc@kernel.org>
In-Reply-To: <7f5f7c94601312c1a401fb18998291cc@kernel.org>
To: Tejun Heo <tj@kernel.org>
Cc: catalin.marinas@arm.com, will@kernel.org, ast@kernel.org,
 david@kernel.org, arighi@nvidia.com, memxor@gmail.com,
 akpm@linux-foundation.org, rppt@kernel.org, andrii@kernel.org,
 daniel@iogearbox.net, martin.lau@linux.dev, eddyz87@gmail.com,
 yonghong.song@linux.dev, emil@etsalapatis.com, void@manifault.com,
 changwoo@igalia.com, linux-arm-kernel@lists.infradead.org,
 linux-mm@kvack.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Kumar Kartikeya Dwivedi <memxor@gmail.com>:

On Sun, 07 Jun 2026 21:25:47 -1000 you wrote:
> ptep_try_set() installs a kernel PTE with try_cmpxchg() but, unlike
> __set_pte(), skips the barriers that arm64 requires after writing a valid
> kernel PTE. Without them a subsequent access can fault instead of seeing
> the new mapping.
> 
> Issue them with emit_pte_barriers() rather than __set_pte_complete().
> ptep_try_set() must finish the store before it returns, but
> __set_pte_complete() would defer the barriers when the calling context is in
> lazy MMU mode.
> 
> [...]

Here is the summary with links:
  - [v2,bpf-next] arm64: mm: Complete the PTE store in ptep_try_set()
    https://git.kernel.org/bpf/bpf-next/c/71385b78dbc2

You are awesome, thank you!
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