linux-kernel - Re: [PATCH v7 12/18] pstore/zone,blk: Add ftrace frontend support

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Message-ID: <c48617f0-0697-e7e9-ee14-718e6cea0e28@infradead.org>
Date:   Mon, 11 May 2020 08:37:05 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Kees Cook <keescook@...omium.org>,
        WeiXiong Liao <liaoweixiong@...winnertech.com>
Cc:     Anton Vorontsov <anton@...msg.org>,
        Colin Cross <ccross@...roid.com>,
        Tony Luck <tony.luck@...el.com>,
        Jonathan Corbet <corbet@....net>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Petr Mladek <pmladek@...e.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Rob Herring <robh@...nel.org>,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mtd@...ts.infradead.org
Subject: Re: [PATCH v7 12/18] pstore/zone,blk: Add ftrace frontend support

On 5/10/20 1:24 PM, Kees Cook wrote:
> diff --git a/fs/pstore/Kconfig b/fs/pstore/Kconfig
> index f1484f751c5e..16a0440d8d5a 100644
> --- a/fs/pstore/Kconfig
> +++ b/fs/pstore/Kconfig
> @@ -248,3 +248,15 @@ config PSTORE_BLK_CONSOLE_SIZE
>  
>  	  NOTE that, both Kconfig and module parameters can configure
>  	  pstore/blk, but module parameters have priority over Kconfig.
> +
> +config PSTORE_BLK_FTRACE_SIZE
> +	int "Size in Kbytes of ftarce to store"

	                       ftrace

but I don't know what this prompt string means.
Could it possibly be "Size in Kbytes of ftrace log to store"?

> +	depends on PSTORE_BLK
> +	depends on PSTORE_FTRACE
> +	default 64
> +	help
> +	  This just sets size of ftrace (ftrace_size) for pstore/blk. The
> +	  size is in KB and must be a multiple of 4.
> +
> +	  NOTE that, both Kconfig and module parameters can configure
> +	  pstore/blk, but module parameters have priority over Kconfig.


-- 
~Randy