From: Steven Rostedt <rostedt@goodmis.org>
To: Petr Mladek <pmladek@suse.com>
Cc: Bhupesh <bhupesh@igalia.com>,
akpm@linux-foundation.org, kernel-dev@igalia.com,
linux-kernel@vger.kernel.org, bpf@vger.kernel.org,
linux-perf-users@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, oliver.sang@intel.com, lkp@intel.com,
laoar.shao@gmail.com, mathieu.desnoyers@efficios.com,
arnaldo.melo@gmail.com, alexei.starovoitov@gmail.com,
andrii.nakryiko@gmail.com, mirq-linux@rere.qmqm.pl,
peterz@infradead.org, willy@infradead.org, david@redhat.com,
viro@zeniv.linux.org.uk, keescook@chromium.org,
ebiederm@xmission.com, brauner@kernel.org, jack@suse.cz,
mingo@redhat.com, juri.lelli@redhat.com, bsegall@google.com,
mgorman@suse.de, vschneid@redhat.com
Subject: Re: [PATCH v3 3/3] exec: Add support for 64 byte 'tsk->real_comm'
Date: Wed, 7 May 2025 13:23:02 -0400 [thread overview]
Message-ID: <20250507132302.4aed1cf0@gandalf.local.home> (raw)
In-Reply-To: <aBtYDGOAVbLHeTHF@pathway.suse.cz>
On Wed, 7 May 2025 14:54:36 +0200
Petr Mladek <pmladek@suse.com> wrote:
> > To fix the same, Linus suggested in [1] that we can add the
> > following union inside 'task_struct':
> > union {
> > char comm[TASK_COMM_LEN];
> > char real_comm[REAL_TASK_COMM_LEN];
> > };
>
> Nit: IMHO, the prefix "real_" is misleading. The buffer size is still
> limited and the name might be shrinked. I would suggest
Agreed.
> something like:
>
> char comm_ext[TASK_COMM_EXT_LEN];
> or
> char comm_64[TASK_COMM_64_LEN]
I prefer "comm_ext" as I don't think we want to hard code the actual size.
Who knows, in the future we may extend it again!
-- Steve
next prev parent reply other threads:[~2025-05-07 17:23 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-07 11:04 [PATCH v3 0/3] Add support for long task name Bhupesh
2025-05-07 11:04 ` [PATCH v3 1/3] exec: Remove obsolete comments Bhupesh
2025-05-07 11:04 ` [PATCH v3 2/3] treewide: Switch memcpy() users of 'task->comm' to a more safer implementation Bhupesh
2025-05-07 12:29 ` Petr Mladek
2025-05-08 8:17 ` Bhupesh Sharma
2025-05-08 8:22 ` Bhupesh Sharma
2025-05-08 14:02 ` Steven Rostedt
2025-05-08 12:21 ` kernel test robot
2025-05-07 11:04 ` [PATCH v3 3/3] exec: Add support for 64 byte 'tsk->real_comm' Bhupesh
2025-05-07 12:54 ` Petr Mladek
2025-05-07 17:23 ` Steven Rostedt [this message]
2025-05-08 8:08 ` Bhupesh Sharma
2025-05-08 13:58 ` Steven Rostedt
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