[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [PATCH 1/2] x86/CET: Remove XEN_SHSTK's dependency on EXPERT


  • To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Wed, 9 Mar 2022 14:01:23 +0100
  • Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=suse.com; dmarc=pass action=none header.from=suse.com; dkim=pass header.d=suse.com; arc=none
  • Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=4zv6pipt6bohpm2pccPj4I9JydfDlQq9W59tUKYPRG4=; b=Nr0x0eblPpZ714p1sbi9C+BDDVxIbir89nLrLc205ISZXgxvD1rZz7V2WFxjBx5TFy4lWz3rFPro1QgDg3RjzmVO1QK2r7UcDklVv+1KNGkY7D2SEwTOogN+SoD8WPKcpZnWKgMbnMoWR5w/xX6Il8tF2FKh5oMW7JZg/F2SdDsI36VRRLhB/xtHPPcZHMbgAfjse9pn5FqfDjUMWZd6zVqcmMCcaSowest19ZWliVRXXA46TtbZqnrYLi1H4Cj9JwIykdDze1gfrlVN6H1OGxUQylHoy36pqRxiHKY1yMiXTo5qxZfRSI/t9wH5RLtEira14sRlgtEePsDve1W71g==
  • Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Skjn/SlC5qvvkrb2kysyMMoPKr1rtH52oifecTQ38mGk9gtzcssDY2c9uz240Dd3SCzYpzZzSSUNhUp+4JM99CWFCU9inHz7wSpxTF1db79ZNzpFfPpOpZBrjiNefglUc5cJeKm9f3tjSU1uHEj07EKOqwwDrsQmF6Ss+ByARq3S5Q+qaVNL5AnvTZcA+1TvYzpoEd1KSnSrSthk/D/we11V+6RiU4FvfrriT3ODWdeqG9CAo7iC6nhDUb0ryWdsxHqeDIHui1CeztpJlxHZ9cXmMffMLEw04yr6x3XYjLxetuN7VXWFGtVLM6ewmrJOcPCtdQY0eHHc0C5Swl4s8A==
  • Authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=suse.com;
  • Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Wed, 09 Mar 2022 13:01:32 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 09.03.2022 13:39, Andrew Cooper wrote:
> --- a/xen/arch/x86/Kconfig
> +++ b/xen/arch/x86/Kconfig
> @@ -117,8 +117,8 @@ config HVM
>         If unsure, say Y.
>  
>  config XEN_SHSTK
> -     bool "Supervisor Shadow Stacks (EXPERT)"
> -     depends on HAS_AS_CET_SS && EXPERT
> +     bool "Supervisor Shadow Stacks"
> +     depends on HAS_AS_CET_SS

We'll need to settle on whether to use your or Jürgen's variant.
As said there I'm in favor of his, but wouldn't mind this
alternative one.

Jan




 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.