On 16/3/2022 7:44 PM, Thomas Monjalon wrote:
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 <[email protected]>
Applied, thanks.
Is there a way to fix it or should we keep this errata forever?
If it's a gcc-9 issue, then we'll have to get the assistance to fix.
I've send the relevant information on to the gcc folks for analysis, and
I'll follow up at regular intervals.
I would hope to be able to remove the errata within the next one or two
releases.
