linux-kernel - Re: [PATCH v9 1/3] /proc/pid/status: Add support for architecture specific output

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Message-ID: <alpine.DEB.2.21.1902120904410.1654@nanos.tec.linutronix.de>
Date:   Tue, 12 Feb 2019 09:05:37 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Aubrey Li <aubrey.li@...el.com>
cc:     mingo@...hat.com, peterz@...radead.org, hpa@...or.com,
        ak@...ux.intel.com, tim.c.chen@...ux.intel.com,
        dave.hansen@...el.com, arjan@...ux.intel.com,
        linux-kernel@...r.kernel.org, Aubrey Li <aubrey.li@...ux.intel.com>
Subject: Re: [PATCH v9 1/3] /proc/pid/status: Add support for architecture
 specific output

On Tue, 12 Feb 2019, Aubrey Li wrote:

> The architecture specific information of the running processes could
> be useful to the userland. Add support to examine process architecture
> specific information externally.
> 
> Signed-off-by: Aubrey Li <aubrey.li@...ux.intel.com>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Andi Kleen <ak@...ux.intel.com>
> Cc: Tim Chen <tim.c.chen@...ux.intel.com>
> Cc: Dave Hansen <dave.hansen@...el.com>
> Cc: Arjan van de Ven <arjan@...ux.intel.com>
> ---
>  fs/proc/array.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/fs/proc/array.c b/fs/proc/array.c
> index 0ceb3b6b37e7..d8cb5b5fd7bb 100644
> --- a/fs/proc/array.c
> +++ b/fs/proc/array.c
> @@ -392,6 +392,10 @@ static inline void task_core_dumping(struct seq_file *m, struct mm_struct *mm)
>  	seq_putc(m, '\n');
>  }
>  
> +void __weak arch_proc_pid_status(struct seq_file *m, struct task_struct *task)
> +{
> +}

This still lacks a prototype.

Thanks,

	tglx