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From: Steven Rostedt <rostedt@goodmis.org>
To: David Laight <David.Laight@ACULAB.COM>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Masami Hiramatsu <mhiramat@kernel.org>,
	"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: Re: [for-next][PATCH 21/21] tracing: Use a struct alignof to determine trace event field alignment
Date: Mon, 1 Aug 2022 17:08:06 -0400	[thread overview]
Message-ID: <20220801170806.061e1268@gandalf.local.home> (raw)
In-Reply-To: <a7d202457150472588df0bd3b7334b3f@AcuMS.aculab.com>

On Mon, 1 Aug 2022 07:46:22 +0000
David Laight <David.Laight@ACULAB.COM> wrote:

> > Define a macro as:
> > 
> >    ALIGN_STRUCTFIELD(type) ((int)(offsetof(struct {char a; type b;}, b)))
> > 
> > which gives the actual alignment of types in a structure.  
> 
> The simpler:
> 	__alignof__(struct {type b;})
> also works.

I'll have to try that out.

For now, as the previous version made it through all my tests, I may be
pushing it, but change it to this for simplicity if that also works and
passes all my test.

Thanks,

-- Steve

      reply	other threads:[~2022-08-01 21:08 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-31 19:03 [for-next][PATCH 00/21] tracing: Updates for 5.20 Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 01/21] USB: mtu3: tracing: Use the new __vstring() helper Steven Rostedt
2022-07-31 19:03   ` Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 02/21] batman-adv: " Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 04/21] ftrace/x86: Add back ftrace_expected assignment Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 05/21] rv: Add Runtime Verification (RV) interface Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 06/21] rv: Add runtime reactors interface Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 07/21] rv/include: Add helper functions for deterministic automata Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 08/21] rv/include: Add deterministic automata monitor definition via C macros Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 09/21] rv/include: Add instrumentation helper functions Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 10/21] Documentation/rv: Add a basic documentation Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 11/21] tools/rv: Add dot2c Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 12/21] Documentation/rv: Add deterministic automaton documentation Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 13/21] tools/rv: Add dot2k Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 14/21] Documentation/rv: Add deterministic automata monitor synthesis documentation Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 15/21] Documentation/rv: Add deterministic automata instrumentation documentation Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 16/21] rv/monitor: Add the wip monitor skeleton created by dot2k Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 17/21] rv/monitor: Add the wip monitor Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 18/21] rv/monitor: Add the wwnr monitor Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 19/21] rv/reactor: Add the printk reactor Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 20/21] rv/reactor: Add the panic reactor Steven Rostedt
2022-07-31 19:03 ` [for-next][PATCH 21/21] tracing: Use a struct alignof to determine trace event field alignment Steven Rostedt
2022-08-01  7:46   ` David Laight
2022-08-01 21:08     ` Steven Rostedt [this message]

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