From: Tyler Retzlaff <roretzla@linux.microsoft.com>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: dev@dpdk.org, anatoly.burakov@intel.com,
David Hunt <david.hunt@intel.com>
Subject: Re: [PATCH] eal/x86: fix segfaults in waitpkg power intrinsics
Date: Tue, 7 Nov 2023 19:19:20 -0800 [thread overview]
Message-ID: <20231108031920.GA19492@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net> (raw)
In-Reply-To: <20231107161900.46058-1-bruce.richardson@intel.com>
On Tue, Nov 07, 2023 at 04:19:01PM +0000, Bruce Richardson wrote:
> From: David Hunt <david.hunt@intel.com>
>
> The code was recently enhanced to allow the use of the waitpkg
> intrinsics rather than the raw assembly in the rte_power functions.
> However, the parameters to the intrinsics, while compiling fine, were
> incorrect, and would segfault when run on the appropriate hardware.
> This patch fixes the intrinsic parameters. Tested on a system with
> tpause and umonitor/umwait instructions.
>
> Fixes: 60943c04f3bc ("eal/x86: use intrinsics for power management")
>
> Signed-off-by: David Hunt <david.hunt@intel.com>
> Reviewed-by: Bruce Richardson <bruce.richardson@intel.com>
> ---
Reviewed-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
next prev parent reply other threads:[~2023-11-08 3:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-07 16:19 Bruce Richardson
2023-11-08 3:19 ` Tyler Retzlaff [this message]
2023-11-08 15:15 ` Thomas Monjalon
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