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From:   Naresh Kamboju <naresh.kamboju@linaro.org>
Date:   Fri, 29 Nov 2019 14:24:06 +0530
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Subject: Re: [PATCH 4.19 000/306] 4.19.87-stable review
To:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     open list <linux-kernel@vger.kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Guenter Roeck <linux@roeck-us.net>,
        Shuah Khan <shuah@kernel.org>, patches@kernelci.org,
        Ben Hutchings <ben.hutchings@codethink.co.uk>,
        lkft-triage@lists.linaro.org,
        linux- stable <stable@vger.kernel.org>,
        Netdev <netdev@vger.kernel.org>,
        Al Viro <viro@zeniv.linux.org.uk>,
        linux-fsdevel@vger.kernel.org, Eric Dumazet <edumazet@google.com>,
        jouni.hogander@unikie.com, "David S. Miller" <davem@davemloft.net>,
        lukas.bulwahn@gmail.com
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On Thu, 28 Nov 2019 at 13:07, Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:


> Now queued up, I'll push out -rc2 versions with this fix.

Results from Linaro=E2=80=99s test farm.
Regressions detected on i386.

i386 build failed on 4.19 and 4.14

In function 'setup_cpu_entry_area_ptes',
    inlined from 'setup_cpu_entry_areas' at arch/x86/mm/cpu_entry_area.c:20=
9:2:
include/linux/compiler.h:348:38: error: call to
'__compiletime_assert_192' declared with attribute error: BUILD_BUG_ON
failed: (CPU_ENTRY_AREA_PAGES+1)*PAGE_SIZE !=3D CPU_ENTRY_AREA_MAP_SIZE
  _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
                                      ^
include/linux/compiler.h:329:4: note: in definition of macro
'__compiletime_assert'
    prefix ## suffix();    \
    ^~~~~~
include/linux/compiler.h:348:2: note: in expansion of macro
'_compiletime_assert'
  _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
  ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro
'compiletime_assert'
 #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                     ^~~~~~~~~~~~~~~~~~

Bisection points to "x86/cpu_entry_area: Add guard page for entry
stack on 32bit" (e50622b4a1, also present in 4.14.y as 880a98c339).


Summary
------------------------------------------------------------------------

kernel: 4.19.87-rc2
git repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stab=
le-rc.git
git branch: linux-4.19.y
git commit: 63633b307be0161e7bd6f854a28d7d9fa05f69ef
git describe: v4.19.86-309-g63633b307be0
Test details: https://qa-reports.linaro.org/lkft/linux-stable-rc-4.19-oe/bu=
ild/v4.19.86-309-g63633b307be0

Regressions (compared to build v4.19.86)
------------------------------------------------------------------------

i386:
  build:
    * build_process


No fixes (compared to build v4.19.86)


Ran 18913 total tests in the following environments and test suites.

Environments
--------------
- dragonboard-410c - arm64
- hi6220-hikey - arm64
- i386
- juno-r2 - arm64
- qemu_arm
- qemu_arm64
- qemu_x86_64
- x15 - arm
- x86_64

Test Suites
-----------
* build
* install-android-platform-tools-r2600
* kselftest
* libhugetlbfs
* linux-log-parser
* ltp-cap_bounds-tests
* ltp-commands-tests
* ltp-containers-tests
* ltp-cpuhotplug-tests
* ltp-cve-tests
* ltp-dio-tests
* ltp-fcntl-locktests-tests
* ltp-filecaps-tests
* ltp-fs_bind-tests
* ltp-fs_perms_simple-tests
* ltp-fsx-tests
* ltp-hugetlb-tests
* ltp-io-tests
* ltp-ipc-tests
* ltp-math-tests
* ltp-mm-tests
* ltp-nptl-tests
* ltp-pty-tests
* ltp-sched-tests
* ltp-securebits-tests
* ltp-syscalls-tests
* perf
* spectre-meltdown-checker-test
* v4l2-compliance
* ltp-fs-tests
* network-basic-tests
* kvm-unit-tests
* ltp-open-posix-tests
* ssuite
* kselftest-vsyscall-mode-native
* kselftest-vsyscall-mode-none

--=20
Linaro LKFT
https://lkft.linaro.org