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From: Thomas Monjalon <thomas@monjalon.net>
To: David Hunt <david.hunt@intel.com>
Cc: dev@dpdk.org
Subject: Re: [PATCH] lib/power: power pmd errata with RTM and gcc-9
Date: Wed, 16 Mar 2022 20:44:23 +0100	[thread overview]
Message-ID: <4149792.kQq0lBPeGt@thomas> (raw)
In-Reply-To: <20220309132221.18210-1-david.hunt@intel.com>

09/03/2022 14:22, David Hunt:
> An errata exists where users may see reduced power savings when using
> PMD Power Management. This issue occurs when compiling DPDK applications
> with gcc-9 on platforms with TSX enabled. In rte_power_monitor_multi(),
> the function may return without successfully starting the RTM
> transaction (the _xbegin() fails).
> 
> Signed-off-by: David Hunt <david.hunt@intel.com>

Applied, thanks.

Is there a way to fix it or should we keep this errata forever?



  reply	other threads:[~2022-03-16 19:44 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-09 13:22 David Hunt
2022-03-16 19:44 ` Thomas Monjalon [this message]
2022-03-22 16:11   ` David Hunt

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