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b=R4SsfPN+BOCGJIw/tZn3wJe12obiZIpQBmdLhQNBcmKZIyyLSPdvsEcTxQpQBzb/N gD5sIxbPDK5gSOwncscqDKnj0sfN07vd5/tswOkbmjlnWgV+IgCFXuO7XWANCfwQQt pcaIbBxb2UQ+EfF8wohK5HjLftIlIiXSUy1o1SrQ= Date: Fri, 25 Sep 2026 23:14:15 -0700 From: Andrew Morton To: Meijing Zhao Cc: Lorenzo Stoakes , Meijing Zhao , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Wandun Chen , linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 0/3] mm: trace: decode architecture-specific VMA flags Message-Id: <20260925231415.3d97401fe7746d82c6182060@linux-foundation.org> In-Reply-To: References: X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: C3E76100002 X-Rspam-User: X-Stat-Signature: ubighzywomztdh1dqq8pkww4axdzzkcu X-HE-Tag: 1790403256-74416 X-HE-Meta: U2FsdGVkX19pbrcd2UIKu0cPC6HRypScc4tlUqVkuLVywSxwqyHh6S08qTcz6190xMLnYepy8Bu9IG2WVzM+ByyuYPFs1R9koek7ddZOi+Q3H8AUTulYrb7FmIFRXIH8KiEqbGIMSwPOgpBrPKH+7s0qnj8PAYZi7D9wzKZegvxO094IHJlOCwtLCDjyXaKOKg2JwACQTQNtmBvnSCz4Ou6bk40vWloQJTe7xcSnDwQ6DRi78/wc0MVh0sWFwgmjSGJ0T4DlqNGco8ZxiCdxuw4lk4wdS3agwGcFJoMOId8UXE3YQB8/hp7ZYax8QqZAODJHeCuGercR2FgHaEVYoN5UBDTq9Y+k1v9+FrYH9p+lXEIt9iYMKvlaG3yS1LeJkQdhvsxL5tEynfqlFgNBFSA1h6eAT6vR5/uWqLFVq7G258Pq1eJZIhV/Uf2eS4CElmw92QyWEtaVanoVJv4cO/NQJ6wk5jzIVfEbRRPJM/Xft5W9BYE/BfBz9HpmtJnzFjl5bEGtQLdwpuMRIl7UXCkfrdHMuGvniXkL8GrGJlNUreRuEFbU7BA4qG0mMXxaehm5vpLjZZPKZ9IvIW+cc6OjJgaFAchjpBHZp4nphLZiRRZFM5hLHuu3au5bdot2xb1tsctlMQ5YDwcy+b3hz0g2KjG1/RhtPieIyO+TStZHM7qG11HmMqxKhR1Nv8jzNRF5IBrBO/IbISB1QpdrmXVQJfr8ydB02djftTCrRYQJBd/ebroyc5394qpkjyE+uIq7aU2sFfpN8VCH9xVnm/OGVv3AmGkDCtmXrkLUmpcOaY3EQFrsjp/43US7UnqRe06++AJPO+M+0OCsGM4WfW32k3b+e9IFiB6z1qBW5nRHaKqk03YasUchd4cAdH9vSJEyJ7t+5+rlg9081BbiqcGkDn5QqV0yf4x6AoeJ5H7b20yL+MEQcbCNeKaE4+iSclJrbK5catoefxnLk64 UKPn6ofC 5U21I+sE7+dF7WIGHcyIJfOrenazoxg+nnPosEqA6zcgZM0VM2vtnmJf4m8PAtl2G0T1n7u4H/ZSxXmLHrmyZZHkLR7QULSjHC1jz28L1vp6FSPCYXPp+T0WEhwFRER4BlduTubr7pVTOl7Yp+50ufBEEtupv6+siYfw6rECxTzdm8b8CtjrhNHxJmQz7wAe8G/o9wJ9YPvINqFQ36f8Vzz47vO9WSbwhCkXOjuMpgN/UUQHzQVCVJTsA+NyW/Sn2T2E27Zhdp2yFV0+Jt6HvbfdAZQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, 2 Sep 2026 14:45:07 +0800 Meijing Zhao wrote: > show_vma_flags(), which is used by VMA tracepoints and %pGv, names > generic VM_* bits but does not fully decode architecture-specific flag > positions. As a result, trace output and VMA dumps can show a generic > "arch_1" name or a raw hexadecimal value instead of the meaning assigned > by the target architecture. > > This series adds symbolic names for the arm64 and sparc64 meanings of > VM_ARCH_1, arm64 MTE flags, user shadow stack flags, and protection-key > encoding bits under their corresponding configuration guards. We're presently not showing any review of this series, if someone is up for it. Thanks.