linux-kernel - Re: [PATCH 5.7 0/6] 5.7.14-rc1 review

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Message-ID: <CA+G9fYv_aX36Kq_RD5dAL_By4AFq=-ZY_qh7VhLG=HJQv5mDzg@mail.gmail.com>
Date:   Wed, 5 Aug 2020 23:09:37 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Marc Zyngier <maz@...nel.org>
Cc:     open list <linux-kernel@...r.kernel.org>,
        Shuah Khan <shuah@...nel.org>, patches@...nelci.org,
        lkft-triage@...ts.linaro.org,
        Ben Hutchings <ben.hutchings@...ethink.co.uk>,
        linux- stable <stable@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Guenter Roeck <linux@...ck-us.net>, w@....eu,
        Grygorii Strashko <grygorii.strashko@...com>
Subject: Re: [PATCH 5.7 0/6] 5.7.14-rc1 review

On Wed, 5 Aug 2020 at 21:22, Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> This is the start of the stable review cycle for the 5.7.14 release.
> There are 6 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, 07 Aug 2020 15:34:53 +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/v5.x/stable-review/patch-5.7.14-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-5.7.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h
>
> -------------
> Pseudo-Shortlog of commits:
>
> Greg Kroah-Hartman <gregkh@...uxfoundation.org>
>     Linux 5.7.14-rc1
>
> Marc Zyngier <maz@...nel.org>
>     arm64: Workaround circular dependency in pointer_auth.h
>
> Linus Torvalds <torvalds@...ux-foundation.org>
>     random32: move the pseudo-random 32-bit definitions to prandom.h
>
> Linus Torvalds <torvalds@...ux-foundation.org>
>     random32: remove net_rand_state from the latent entropy gcc plugin
>
> Willy Tarreau <w@....eu>
>     random: fix circular include dependency on arm64 after addition of percpu.h
>
> Grygorii Strashko <grygorii.strashko@...com>
>     ARM: percpu.h: fix build error
>
> Willy Tarreau <w@....eu>
>     random32: update the net random state on interrupt and activity
>

[ sorry if it is not interesting ! ]

While building with old gcc-7.3.0 the build breaks for arm64
whereas build PASS on gcc-8, gcc-9 and gcc-10.

with gcc 7.3.0 build breaks log,

In file included from arch/arm64/include/asm/archrandom.h:9:0,
                 from arch/arm64/kernel/kaslr.c:14:
include/linux/random.h: In function 'arch_get_random_seed_long_early':
include/linux/random.h:149:9: error: implicit declaration of function
'arch_get_random_seed_long'; did you mean
'arch_get_random_seed_long_early'?
[-Werror=implicit-function-declaration]
  return arch_get_random_seed_long(v);
         ^~~~~~~~~~~~~~~~~~~~~~~~~
         arch_get_random_seed_long_early
include/linux/random.h: In function 'arch_get_random_long_early':
include/linux/random.h:157:9: error: implicit declaration of function
'arch_get_random_long'; did you mean 'get_random_long'?
[-Werror=implicit-function-declaration]
  return arch_get_random_long(v);
         ^~~~~~~~~~~~~~~~~~~~
         get_random_long
In file included from arch/arm64/kernel/kaslr.c:14:0:
arch/arm64/include/asm/archrandom.h: At top level:
arch/arm64/include/asm/archrandom.h:30:33: error: conflicting types
for 'arch_get_random_long'
 static inline bool __must_check arch_get_random_long(unsigned long *v)
                                 ^~~~~~~~~~~~~~~~~~~~
In file included from arch/arm64/include/asm/archrandom.h:9:0,
                 from arch/arm64/kernel/kaslr.c:14:
include/linux/random.h:157:9: note: previous implicit declaration of
'arch_get_random_long' was here
  return arch_get_random_long(v);
         ^~~~~~~~~~~~~~~~~~~~
In file included from arch/arm64/kernel/kaslr.c:14:0:
arch/arm64/include/asm/archrandom.h:40:33: error: conflicting types
for 'arch_get_random_seed_long'
 static inline bool __must_check arch_get_random_seed_long(unsigned long *v)
                                 ^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from arch/arm64/include/asm/archrandom.h:9:0,
                 from arch/arm64/kernel/kaslr.c:14:
include/linux/random.h:149:9: note: previous implicit declaration of
'arch_get_random_seed_long' was here
  return arch_get_random_seed_long(v);
         ^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from arch/arm64/kernel/kaslr.c:14:0:
arch/arm64/include/asm/archrandom.h:72:1: error: redefinition of
'arch_get_random_seed_long_early'
 arch_get_random_seed_long_early(unsigned long *v)
 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from arch/arm64/include/asm/archrandom.h:9:0,
                 from arch/arm64/kernel/kaslr.c:14:
include/linux/random.h:146:27: note: previous definition of
'arch_get_random_seed_long_early' was here
 static inline bool __init arch_get_random_seed_long_early(unsigned long *v)


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