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Date:      Tue, 15 Nov 2022 07:49:55 +0000
From:      "Chen, Alvin W" <Weike.Chen@Dell.com>
To:        Konstantin Belousov <kib@FreeBSD.org>
Cc:        Amar Takhar <verm@darkbeer.org>, "freebsd-current@freebsd.org" <freebsd-current@freebsd.org>
Subject:   RE: Status of Intel Hybrid CPU support (Alder Lake/Raptor Lake) support
Message-ID:   <PH0PR19MB49388444FDBEB729A0F286019E049@PH0PR19MB4938.namprd19.prod.outlook.com>
In-Reply-To: <20221114174812.GA20495@darkbeer.org>
References:   <PH0PR19MB49386F16177AC787CFFAD05C9E339@PH0PR19MB4938.namprd19.prod.outlook.com> <CB6714BB-F070-436A-9324-1053648A7DE6@karels.net> <PH0PR19MB4938527239BDA1AA6FFE5C129E059@PH0PR19MB4938.namprd19.prod.outlook.com> <Y3HppLvsWTqqGNoO@kib.kiev.ua> <20221114174812.GA20495@darkbeer.org>

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Kongstantin,

I am not familiar with TLB part implementation for BSD. Based on your patch=
, it looks like disable PCID or force flush TLB for E core. Is that right?
Would you mind explain a little more to help understand the code?


Internal Use - Confidential

> -----Original Message-----
> From: owner-freebsd-current@freebsd.org <owner-freebsd-
> current@freebsd.org> On Behalf Of Amar Takhar
> Sent: Tuesday, November 15, 2022 1:48 AM
> To: freebsd-current@freebsd.org
> Subject: Re: Status of Intel Hybrid CPU support (Alder Lake/Raptor Lake)
> support
>=20
>=20
> [EXTERNAL EMAIL]
>=20
> On 2022-11-14 09:09 +0200, Konstantin Belousov wrote:
> >
> > You might use this patch meantime
> > https://urldefense.com/v3/__https://kib.kiev.ua/git/gitweb.cgi?p=3Ddevi=
a
> >
> nt3.git;a=3Dcommit;h=3D5d72240a8777b26d5e0a7d2d26bb919d05f60002__;!!LpKI
> !g
> > -6xRexMgrS7blkbBAEW-CU6xx2soVgqJcn34v5a-
> vYybodWNslFhcgFr631abOyXATJf_r
> > ACTtzog$ [kib[.]kiev[.]ua]
>=20
> I know this is -CURRENT but will this work on 13.1 as well?  I use that a=
s my
> main workstation.
>=20
> Also does vm.pmap.pcid_enabled need to be set to 0 still?
>=20
> Hopefully this fixes the sound issues as well right now I have all my E-c=
ores
> disabled but sound issues persist.
>=20
> Thanks!
>=20
>=20
> Amar.



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