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From: Steven Rostedt <rostedt@goodmis.org>
To: Nadav Amit <namit@vmware.com>
Cc: Ajay Kaher <akaher@vmware.com>,
	"mhiramat@kernel.org" <mhiramat@kernel.org>,
	"shuah@kernel.org" <shuah@kernel.org>,
	linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
	linux-kselftest@vger.kernel.org,
	Ching-lin Yu <chinglinyu@google.com>,
	Nadav Amit <namit@vmware.com>,
	"srivatsa@csail.mit.edu" <srivatsa@csail.mit.edu>,
	Alexey Makhalov <amakhalov@vmware.com>,
	Vasavi Sirnapalli <vsirnapalli@vmware.com>,
	Tapas Kundu <tkundu@vmware.com>,
	"er.ajay.kaher@gmail.com" <linux-trace-kernel@vger.kernel.org>,
	"linux-kselftest@vger.kernel.org"
	<linux-kselftest@vger.kernel.org>,
	Ching-lin Yu <chinglinyu@google.com>,
	Nadav Amit <namit@vmware.com>, "sri\"" <er.ajay.kaher@gmail.com>
Subject: Re: [PATCH v3 03/10] eventfs: adding eventfs dir add functions
Date: Sun, 9 Jul 2023 22:53:27 -0400	[thread overview]
Message-ID: <20230709225327.777ea466@rorschach.local.home> (raw)
In-Reply-To: <1C0CB205-B56F-44AE-B9B4-3668E06C840E@vmware.com>

On Mon, 10 Jul 2023 02:17:01 +0000
Nadav Amit <namit@vmware.com> wrote:

> > On Jul 9, 2023, at 6:54 PM, Steven Rostedt <rostedt@goodmis.org> wrote:
> > 
> > +       union {
> > +               struct rcu_head         rcu;
> > +               struct llist_node       llist;  /* For freeing after RCU */
> > +       };  
> 
> The memory savings from using a union might not be worth the potential impact
> of type confusion and bugs.

It's also documentation. The two are related, as one is the hand off to
the other. It's not a random union, and I'd like to leave it that way.

-- Steve

  reply	other threads:[~2023-07-10  2:53 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-01  9:00 [PATCH v3 00/10] tracing: introducing eventfs Ajay Kaher
2023-06-01  9:00 ` [PATCH v3 01/10] tracing: Require all trace events to have a TRACE_SYSTEM Ajay Kaher
2023-06-01  9:00 ` [PATCH v3 02/10] eventfs: introducing struct tracefs_inode Ajay Kaher
2023-07-01 13:25   ` Steven Rostedt
2023-07-02 14:55   ` Masami Hiramatsu
2023-06-01  9:00 ` [PATCH v3 03/10] eventfs: adding eventfs dir add functions Ajay Kaher
2023-07-01 13:54   ` Steven Rostedt
2023-07-03 10:13     ` Ajay Kaher
2023-07-03 15:08       ` Steven Rostedt
2023-07-03 18:51         ` Ajay Kaher
2023-07-03 19:52           ` Steven Rostedt
     [not found]             ` <20230709215447.536defa6@rorschach.local.home>
2023-07-10  2:17               ` Nadav Amit
2023-07-10  2:53                 ` Steven Rostedt [this message]
2023-07-10 18:53               ` Ajay Kaher
2023-07-10 19:06                 ` Steven Rostedt
     [not found]                   ` <20230710150731.4ec2b9f8@gandalf.local.home>
2023-07-10 19:10                     ` Steven Rostedt
2023-07-10 20:15                   ` Steven Rostedt
2023-07-10 21:09                 ` Steven Rostedt
2023-07-11 14:24                 ` Steven Rostedt
2023-06-01  9:00 ` [PATCH v3 04/10] eventfs: adding eventfs file " Ajay Kaher
2023-06-01  9:00 ` [PATCH v3 05/10] eventfs: adding eventfs file, directory remove function Ajay Kaher
2023-06-01  9:00 ` [PATCH v3 06/10] eventfs: adding functions to create eventfs files and directories Ajay Kaher
2023-06-01  9:00 ` [PATCH v3 07/10] eventfs: adding eventfs lookup, read, open functions Ajay Kaher
2023-06-01  9:00 ` [PATCH v3 08/10] eventfs: creating tracefs_inode_cache Ajay Kaher
2023-06-01  9:00 ` [PATCH v3 09/10] eventfs: moving tracing/events to eventfs Ajay Kaher
2023-06-10 15:25   ` kernel test robot
2023-06-13  7:06     ` Ajay Kaher
2023-06-01  9:00 ` [PATCH v3 10/10] test: ftrace: fix kprobe test for eventfs Ajay Kaher
2023-06-13  8:21   ` Masami Hiramatsu
2023-06-01  9:07 ` [PATCH v3 00/10] tracing: introducing eventfs Ajay Kaher
2023-06-19  5:38 ` Ajay Kaher
2023-06-20 15:02   ` Steven Rostedt
2023-06-21 11:42     ` Ajay Kaher
2023-06-22  3:31       ` Masami Hiramatsu

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