On Thu, Feb 23, 2023 at 02:06:07PM +0100, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 6.1.14 release.
> There are 46 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Sat, 25 Feb 2023 13:04:16 +0000.
> Anything received after that time might be too late.
> 
> The whole patch series can be found in one patch at:
> 	https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.1.14-rc1.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.1.y
> and the diffstat can be found below.

> Dave Hansen <dave.hansen@linux.intel.com>
>     uaccess: Add speculation barrier to copy_from_user()

This breaks the build for me on RISC-V, you need to take f3dd0c53370e
("bpf: add missing header file include") from Linus' tree.
It was broken in mainline too, so it is probably broken everywhere you
backported it :(

Thanks,
Conor.