+ CC henry

> On 21 Nov 2023, at 20:15, Andrew Cooper <[email protected]> wrote:
> 
> -Wwrite-strings is unhappy with assigning "xen" to a mutable pointer, but this
> logic looks incorrect.  It was inherited from the x86 side, where the logic
> was redundant and has now been removed.
> 
> In the ARM case it inserts the image name into "xen,xen-bootargs" and there is
> no logic at all to strip this before parsing it as the command line.
> 
> The absence of any logic to strip an image name suggests that it shouldn't
> exist there, or having a Xen image named e.g. "hmp-unsafe" in the filesystem
> is going to lead to some unexpected behaviour on boot.
> 
> No functional change.
> 
> Signed-off-by: Andrew Cooper <[email protected]>
> ---
> CC: Jan Beulich <[email protected]>
> CC: Roger Pau MonnĂ© <[email protected]>
> CC: Wei Liu <[email protected]>
> CC: Stefano Stabellini <[email protected]>
> CC: Julien Grall <[email protected]>
> CC: Volodymyr Babchuk <[email protected]>
> CC: Bertrand Marquis <[email protected]>
> CC: Roberto Bagnara <[email protected]>
> CC: Nicola Vetrini <[email protected]>
> 
> v2:
> * New.
> 
> I'm afraid that all of this reasoning is based on reading the source code.  I
> don't have any way to try this out in a real ARM UEFI environment.

I will test this one tomorrow on an arm board



Reply via email to