linux-kernel - Re: [PATCH v2 2/2] powerpc/powernv: Skip registering log region when CONFIG

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Message-ID: <1421903958.4598.4.camel@ellerman.id.au>
Date:	Thu, 22 Jan 2015 16:19:18 +1100
From:	Michael Ellerman <mpe@...erman.id.au>
To:	Pranith Kumar <bobby.prani@...il.com>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Mahesh Salgaonkar <mahesh@...ux.vnet.ibm.com>,
	Anton Blanchard <anton@...ba.org>,
	Neelesh Gupta <neelegup@...ux.vnet.ibm.com>,
	Joel Stanley <joel@....id.au>,
	Vasant Hegde <hegdevasant@...ux.vnet.ibm.com>,
	Rob Herring <robh@...nel.org>,
	"open list:LINUX FOR POWERPC..." <linuxppc-dev@...ts.ozlabs.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] powerpc/powernv: Skip registering log region
 when CONFIG_PRINTK=n

On Wed, 2015-01-21 at 21:26 -0500, Pranith Kumar wrote:
> When CONFIG_PRINTK=n, log_buf_addr_get() returns NULL and log_buf_len_get()
> return 0. Check for these return values and skip registering the dump buffer.
> 
> Signed-off-by: Pranith Kumar <bobby.prani@...il.com>
> CC: Michael Ellerman <mpe@...erman.id.au>
> ---
>  arch/powerpc/platforms/powernv/opal.c | 6 ++++++
>  1 file changed, 6 insertions(+)

What changed since v1? I don't see anything?

cheers


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