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Re: [v2 3/3] xsm: properly handle error from XSM init
- To: "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>
- From: Bertrand Marquis <Bertrand.Marquis@xxxxxxx>
- Date: Tue, 31 May 2022 09:10:16 +0000
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- Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Wei Liu <wl@xxxxxxx>, "scott.davis@xxxxxxxxxx" <scott.davis@xxxxxxxxxx>, "christopher.clark@xxxxxxxxxx" <christopher.clark@xxxxxxxxxx>, "jandryuk@xxxxxxxxx" <jandryuk@xxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
- Delivery-date: Tue, 31 May 2022 09:10:34 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-topic: [v2 3/3] xsm: properly handle error from XSM init
Hi Daniel,
> On 31 May 2022, at 03:39, Daniel P. Smith <dpsmith@xxxxxxxxxxxxxxxxxxxx>
> wrote:
>
> This commit is to move towards providing a uniform interface across
> architectures to initialize the XSM framework. Specifically, it provides a
> common handling of initialization failure by providing the printing of a
> warning message.
>
> For Arm, xsm_dt_init() was tailored to have an Arm specific expansion of the
> return values. This expansion added a value to reflect whether the security
> supported XSM policy module was the enforcing policy module. This was then
> used
> to determine if a warning message would be printed. Despite this expansion,
> like x86, Arm does not address any XSM initialization errors that may have
> occurred.
>
> Signed-off-by: Daniel P. Smith <dpsmith@xxxxxxxxxxxxxxxxxxxx>
For the arm part:
Reviewed-by: Bertrand Marquis <bertrand.marquis@xxxxxxx>
Cheers
Bertrand
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