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

[Guenter Roeck]

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