From: Thomas Monjalon <thomas@monjalon.net>
To: David Christensen <drc@linux.vnet.ibm.com>
Cc: dev@dpdk.org, stable@dpdk.org, Thinh Tran <thinhtr@linux.vnet.ibm.com>
Subject: Re: [PATCH] acl: fix autotest failures on ppc64le with gcc 11
Date: Tue, 28 Mar 2023 18:29:31 +0200 [thread overview]
Message-ID: <1985067.kXSN5OTJKJ@thomas> (raw)
In-Reply-To: <20230322172933.461482-1-drc@linux.vnet.ibm.com>
22/03/2023 18:29, David Christensen:
> Original acl implementation of Altivec optimized code included an
> explicit -O2 optimization level for a particular inlined function.
> When DPDK is built with the default -O3 optimization level on gcc
> 11.x or later, the resulting code may generate a segmentation
> fault as observed in acl_autotest.
>
> Since there is no explicit reason given for the local function
> optimization level in the original commit, and testing with gcc
> versions 8.x through 12.x results in working code at all -O
> optimization settings, the local optimization is removed.
>
> Bugzilla ID: 1197
> Cc: stable@dpdk.org
>
> Signed-off-by: David Christensen <drc@linux.vnet.ibm.com>
> Tested-by: Thinh Tran <thinhtr@linux.vnet.ibm.com>
Applied, thanks.
prev parent reply other threads:[~2023-03-28 16:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-22 17:29 David Christensen
2023-03-28 16:29 ` Thomas Monjalon [this message]
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