RISC-V enables CONFIG_COMPAT in the unstable branch

[Emil Renner Berthing]

[Impact]

 * The 5.19 kernel adds RISC-V support for running 32bit binaries on
   64bit systems, but only with hardware support.
   So far no chips have been released that support it and it's not even
   implemented in upstream Qemu. Also neither Ubuntu nor any other
   mainstream Linux distro ships 32bit binaries, so this enables a
   bunch of code that will most likely never be used.

[Test Plan]

 * Setting CONFIG_COMPAT=n just disables a feature that was added in
   5.19, so should have no impact on userspace compared to earlier
   kernels.

[Where problems could occur]

 * This was implemented by T-Head (Alibaba) so will most likely be
   supported by one of their future designs. If it turns out to be
   useful on these cores we can always enable it later.

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1980061

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

[Launchpad Janitor (janitor)]

This bug was fixed in the package linux - 5.19.0-15.15

---------------
linux (5.19.0-15.15) kinetic; urgency=medium

  * kinetic/linux: 5.19.0-15.15 -proposed tracker (LP: #1983335)

  * Miscellaneous Ubuntu changes
    - [Config] update annotations to support both gcc-11 and gcc-12

 -- Andrea Righi <email address hidden> Tue, 02 Aug 2022 09:23:01 +0200