[alsa-devel] [PATCH] ALSA: intel8x0: Drop superfluous VM checks

Andy Lutomirski luto at amacapital.net
Wed Apr 6 00:16:40 CEST 2016


On Tue, Apr 5, 2016 at 7:53 AM, Takashi Iwai <tiwai at suse.de> wrote:
> intel8x0 driver has the inside_vm check for skipping a buggy hardware
> workaround in the PCM pointer callback in the commit [228cf79376f1:
> ALSA: intel8x0: Improve performance in virtual environment].  This was
> originally applied to all devices on known VMs, but the code was
> switched to use the PCI  ID matching for applying to only known
> devices (KVM and Parallels), in order to avoid applying wrongly to
> VT-d and other such cases, in the commit [7fb4f392bd27: ALSA:
> intel8x0: improve virtual environment detection].
>

[...]

Thanks!


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