Re: [PATCH 4.19 00/18] 4.19.234-rc1 review

Sudip Mukherjee
2022-03-09T18:15:49Z

On Wed, Mar 9, 2022 at 6:08 PM Sudip Mukherjee
<sudipm.mukherjee@gmail.com> wrote:
>
> Hi Greg,
>
> On Wed, Mar 9, 2022 at 4:03 PM Greg Kroah-Hartman
> <gregkh@linuxfoundation.org> wrote:
> >
> > This is the start of the stable review cycle for the 4.19.234 release.
> > There are 18 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 Fri, 11 Mar 2022 15:58:48 +0000.
> > Anything received after that time might be too late.
>
> My tests are still running, but just an initial result for you,
>
> x86_64 defconfig fails with:
> arch/x86/kernel/cpu/bugs.c: In function 'spectre_v2_select_mitigation':
> arch/x86/kernel/cpu/bugs.c:973:41: error: implicit declaration of
> function 'unprivileged_ebpf_enabled'
> [-Werror=implicit-function-declaration]
> 973 | if (mode == SPECTRE_V2_EIBRS && unprivileged_ebpf_enabled())

And, lots of failures in arm builds also.
Error:
arch/arm/common/secure_cntvoff.S: Assembler messages:
arch/arm/common/secure_cntvoff.S:24: Error: co-processor register
expected -- `mcr p15,0,r0,c7,r5,4'
arch/arm/common/secure_cntvoff.S:27: Error: co-processor register
expected -- `mcr p15,0,r0,c7,r5,4'
arch/arm/common/secure_cntvoff.S:29: Error: co-processor register
expected -- `mcr p15,0,r0,c7,r5,4'
make[1]: *** [scripts/Makefile.build:403:
arch/arm/common/secure_cntvoff.o] Error 1
make[1]: *** Waiting for unfinished jobs....
arch/arm/kernel/entry-common.S: Assembler messages:
arch/arm/kernel/entry-common.S:178: Error: co-processor register
expected -- `mcr p15,0,r0,c7,r5,4'
arch/arm/kernel/entry-common.S:187: Error: co-processor register
expected -- `mcr p15,0,r0,c7,r5,4'
make[1]: *** [scripts/Makefile.build:403:
arch/arm/kernel/entry-common.o] Error 1
make[1]: *** Waiting for unfinished jobs....
arch/arm/mm/cache-v7.S: Assembler messages:
arch/arm/mm/cache-v7.S:64: Error: co-processor register expected --
`mcr p15,0,r0,c7,r5,4'
arch/arm/mm/cache-v7.S:137: Error: co-processor register expected --
`mcr p15,0,r0,c7,r5,4'
arch/arm/mm/cache-v7.S:171: Error: co-processor register expected --
`mcr p15,0,r0,c7,r5,4'
arch/arm/mm/cache-v7.S:299: Error: co-processor register expected --
`mcr p15,0,r0,c7,r5,4'
make[1]: *** [scripts/Makefile.build:403: arch/arm/mm/cache-v7.o] Error 1

--
Regards
Sudip