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From: Robert Richter <rric@kernel.org>
To: William Cohen <wcohen@redhat.com>
Cc: Anton Blanchard <anton@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	oprofile-list@lists.sf.net, linuxppc-dev@lists.ozlabs.org
Subject: Re: gcc trunk fails to build kernel on PowerPC64 due to oprofile warnings
Date: Thu, 26 Jan 2017 17:06:25 +0100	[thread overview]
Message-ID: <20170126160512.GE4906@rric.localdomain> (raw)
In-Reply-To: <fe2c2fd9-d255-61ca-5328-ca5d45827f47@redhat.com>

On 26.01.17 10:46:43, William Cohen wrote:
> From 7e46dbd7dc5bc941926a4a63c28ccebf46493e8d Mon Sep 17 00:00:00 2001
> From: William Cohen <wcohen@redhat.com>
> Date: Thu, 26 Jan 2017 10:33:59 -0500
> Subject: [PATCH] Avoid hypthetical string truncation in oprofile stats buffer
> MIME-Version: 1.0
> Content-Type: text/plain; charset=UTF-8
> Content-Transfer-Encoding: 8bit
> 
> Increased the size of an internal oprofile driver buffer ensuring that
> the string was never truncated for any possible int value to avoid the
> following gcc-7 compiler error on ppc when building the kernel:

Please test gcc7 for other archs first. I don't think this is the only
change needed to avoid this warning in oprofile code.

Thanks,

-Robert

  reply	other threads:[~2017-01-26 16:06 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-25 23:00 gcc trunk fails to build kernel on PowerPC64 due to oprofile warnings Anton Blanchard
2017-01-26 11:00 ` David Laight
2017-01-26 12:57   ` Arnd Bergmann
2017-01-26 15:46 ` William Cohen
2017-01-26 16:06   ` Robert Richter [this message]
2017-01-30 15:35     ` William Cohen
2017-02-02 17:21     ` William Cohen

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