Re: [PATCH 5.10 000/541] 5.10.137-rc2 review

From: Guenter Roeck
Date: Sun Aug 21 2022 - 08:04:02 EST


On Sat, Aug 20, 2022 at 08:39:26PM +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.10.137 release.
> There are 541 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 Mon, 22 Aug 2022 18:28:24 +0000.
> Anything received after that time might be too late.
>
Build results:
total: 163 pass: 162 fail: 1
Failed builds:
um:defconfig
Qemu test results:
total: 474 pass: 474 fail: 0

The build error is:

Building um:defconfig ... failed
--------------
Error log:
In file included from arch/um/include/shared/irq_user.h:10,
from arch/um/include/shared/os.h:12,
from arch/um/kernel/umid.c:9:
include/linux/stddef.h:11:9: error: expected identifier before numeric constant
11 | false = 0,
| ^~~~~
include/linux/types.h:30:33: error: two or more data types in declaration specifiers
30 | typedef _Bool bool;
| ^~~~
In file included from arch/um/include/shared/os.h:17,
from arch/um/kernel/umid.c:9:
include/linux/types.h:30:1: warning: useless type name in empty declaration
30 | typedef _Bool bool;
| ^~~~~~~

Bisect points to commit 6660dd43bbf ("um: seed rng using host OS rng"),
and reverting it fixes the problem.

Guenter