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Date: Sun, 29 Sep 2019 05:53:10 -0700 (PDT)
From: "kernelci.org bot" <bot@...nelci.org>
To: Masahiro Yamada <yamada.masahiro@...ionext.com>,
tomeu.vizoso@...labora.com,
Linus Torvalds <torvalds@...ux-foundation.org>,
guillaume.tucker@...labora.com, mgalka@...labora.com,
broonie@...nel.org, matthew.hart@...aro.org, khilman@...libre.com,
enric.balletbo@...labora.com,
Nick Desaulniers <ndesaulniers@...gle.com>,
Andrew Morton <akpm@...ux-foundation.org>
Cc: "Uladzislau Rezki (Sony)" <urezki@...il.com>,
Joe Lawrence <joe.lawrence@...hat.com>,
Kees Cook <keescook@...omium.org>,
linux-kernel@...r.kernel.org,
"David S. Miller" <davem@...emloft.net>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Changbin Du <changbin.du@...el.com>,
Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
Sri Krishna chowdary <schowdary@...dia.com>,
Catalin Marinas <catalin.marinas@....com>
Subject: net-next/master boot bisection: v5.3-13186-g02dc96ef6c25 on
bcm2836-rpi-2-b
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* This automated bisection report was sent to you on the basis *
* that you may be involved with the breaking commit it has *
* found. No manual investigation has been done to verify it, *
* and the root cause of the problem may be somewhere else. *
* *
* If you do send a fix, please include this trailer: *
* Reported-by: "kernelci.org bot" <bot@...nelci.org> *
* *
* Hope this helps! *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
net-next/master boot bisection: v5.3-13186-g02dc96ef6c25 on bcm2836-rpi-2-b
Summary:
Start: 02dc96ef6c25 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Details: https://kernelci.org/boot/id/5d905d6d59b514ae41d857e9
Plain log: https://storage.kernelci.org//net-next/master/v5.3-13186-g02dc96ef6c25/arm/bcm2835_defconfig/gcc-8/lab-collabora/boot-bcm2836-rpi-2-b.txt
HTML log: https://storage.kernelci.org//net-next/master/v5.3-13186-g02dc96ef6c25/arm/bcm2835_defconfig/gcc-8/lab-collabora/boot-bcm2836-rpi-2-b.html
Result: ac7c3e4ff401 compiler: enable CONFIG_OPTIMIZE_INLINING forcibly
Checks:
revert: PASS
verify: PASS
Parameters:
Tree: net-next
URL: git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git
Branch: master
Target: bcm2836-rpi-2-b
CPU arch: arm
Lab: lab-collabora
Compiler: gcc-8
Config: bcm2835_defconfig
Test suite: boot
Breaking commit found:
-------------------------------------------------------------------------------
commit ac7c3e4ff401b304489a031938dbeaab585bfe0a
Author: Masahiro Yamada <yamada.masahiro@...ionext.com>
Date: Wed Sep 25 16:47:42 2019 -0700
compiler: enable CONFIG_OPTIMIZE_INLINING forcibly
Commit 9012d011660e ("compiler: allow all arches to enable
CONFIG_OPTIMIZE_INLINING") allowed all architectures to enable this
option. A couple of build errors were reported by randconfig, but all of
them have been ironed out.
Towards the goal of removing CONFIG_OPTIMIZE_INLINING entirely (and it
will simplify the 'inline' macro in compiler_types.h), this commit changes
it to always-on option. Going forward, the compiler will always be
allowed to not inline functions marked 'inline'.
This is not a problem for x86 since it has been long used by
arch/x86/configs/{x86_64,i386}_defconfig.
I am keeping the config option just in case any problem crops up for other
architectures.
The code clean-up will be done after confirming this is solid.
Link: http://lkml.kernel.org/r/20190830034304.24259-1-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
Acked-by: Nick Desaulniers <ndesaulniers@...gle.com>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 6b1b1703a646..93d97f9b0157 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -311,7 +311,7 @@ config HEADERS_CHECK
relevant for userspace, say 'Y'.
config OPTIMIZE_INLINING
- bool "Allow compiler to uninline functions marked 'inline'"
+ def_bool y
help
This option determines if the kernel forces gcc to inline the functions
developers have marked 'inline'. Doing so takes away freedom from gcc to
@@ -322,8 +322,6 @@ config OPTIMIZE_INLINING
decision will become the default in the future. Until then this option
is there to test gcc for this.
- If unsure, say N.
-
config DEBUG_SECTION_MISMATCH
bool "Enable full Section mismatch analysis"
help
-------------------------------------------------------------------------------
Git bisection log:
-------------------------------------------------------------------------------
git bisect start
# good: [b41dae061bbd722b9d7fa828f35d22035b218e18] Merge tag 'xfs-5.4-merge-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
git bisect good b41dae061bbd722b9d7fa828f35d22035b218e18
# bad: [02dc96ef6c25f990452c114c59d75c368a1f4c8f] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
git bisect bad 02dc96ef6c25f990452c114c59d75c368a1f4c8f
# good: [8c2b418c3f95a488f5226870eee68574d323f0f8] Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
git bisect good 8c2b418c3f95a488f5226870eee68574d323f0f8
# good: [9dbd83f665298c9dcf647f20d6d6488e9019114b] Merge tag 'rtc-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
git bisect good 9dbd83f665298c9dcf647f20d6d6488e9019114b
# bad: [cbafe18c71028d5e0ee1626b4776fea5d5824a78] Merge branch 'akpm' (patches from Andrew)
git bisect bad cbafe18c71028d5e0ee1626b4776fea5d5824a78
# good: [5184d449600f501a8688069f35c138c6b3bf8b94] Merge tag 'microblaze-v5.4-rc1' of git://git.monstr.eu/linux-2.6-microblaze
git bisect good 5184d449600f501a8688069f35c138c6b3bf8b94
# good: [351c8a09b00b5c51c8f58b016fffe51f87e2d820] Merge branch 'i2c/for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
git bisect good 351c8a09b00b5c51c8f58b016fffe51f87e2d820
# good: [f41def397161053eb0d3ed6861ef65985efbf293] Merge tag 'ceph-for-5.4-rc1' of git://github.com/ceph/ceph-client
git bisect good f41def397161053eb0d3ed6861ef65985efbf293
# bad: [7d92bda271ddcbb2d1be2f82733dcb9bf8378010] kgdb: don't use a notifier to enter kgdb at panic; call directly
git bisect bad 7d92bda271ddcbb2d1be2f82733dcb9bf8378010
# good: [94fb98450456da82a16a378816390d99b85edb55] checkpatch: allow consecutive close braces
git bisect good 94fb98450456da82a16a378816390d99b85edb55
# good: [da5184c2ab10b57bf9b58f818405aa0054a2f829] fs/reiserfs/do_balan.c: remove set but not used variables
git bisect good da5184c2ab10b57bf9b58f818405aa0054a2f829
# good: [2a4a4082cd4438333b5ecffdd15d1a484e5a83c7] cpumask: nicer for_each_cpumask_and() signature
git bisect good 2a4a4082cd4438333b5ecffdd15d1a484e5a83c7
# good: [d5372c39132958679c480d0295dd328c741c7a41] kexec: restore arch_kexec_kernel_image_probe declaration
git bisect good d5372c39132958679c480d0295dd328c741c7a41
# bad: [ac7c3e4ff401b304489a031938dbeaab585bfe0a] compiler: enable CONFIG_OPTIMIZE_INLINING forcibly
git bisect bad ac7c3e4ff401b304489a031938dbeaab585bfe0a
# good: [9dd819a15162f8f82a6001b090caa38c18297b39] uaccess: add missing __must_check attributes
git bisect good 9dd819a15162f8f82a6001b090caa38c18297b39
# first bad commit: [ac7c3e4ff401b304489a031938dbeaab585bfe0a] compiler: enable CONFIG_OPTIMIZE_INLINING forcibly
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