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Date:   Wed, 02 Oct 2019 03:05:31 -0700 (PDT)
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Subject: net-next/master boot bisection: v5.3-13203-gc01ebd6c4698 on
 bcm2836-rpi-2-b
To:     Masahiro Yamada <yamada.masahiro@socionext.com>,
        tomeu.vizoso@collabora.com,
        Linus Torvalds <torvalds@linux-foundation.org>,
        guillaume.tucker@collabora.com, mgalka@collabora.com,
        broonie@kernel.org, matthew.hart@linaro.org, khilman@baylibre.com,
        enric.balletbo@collabora.com,
        Nick Desaulniers <ndesaulniers@google.com>,
        Andrew Morton <akpm@linux-foundation.org>
From:   "kernelci.org bot" <bot@kernelci.org>
Cc:     "Uladzislau Rezki (Sony)" <urezki@gmail.com>,
        Joe Lawrence <joe.lawrence@redhat.com>,
        Kees Cook <keescook@chromium.org>,
        linux-kernel@vger.kernel.org,
        "David S. Miller" <davem@davemloft.net>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Changbin Du <changbin.du@intel.com>,
        Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
        Sri Krishna chowdary <schowdary@nvidia.com>,
        Catalin Marinas <catalin.marinas@arm.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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@kernelci.org>          *
*                                                               *
* Hope this helps!                                              *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

net-next/master boot bisection: v5.3-13203-gc01ebd6c4698 on bcm2836-rpi-2-b

Summary:
  Start:      c01ebd6c4698 r8152: Use guard clause and fix comment typos
  Details:    https://kernelci.org/boot/id/5d942a9059b514a119d857e9
  Plain log:  https://storage.kernelci.org//net-next/master/v5.3-13203-gc01=
ebd6c4698/arm/bcm2835_defconfig/gcc-8/lab-collabora/boot-bcm2836-rpi-2-b.txt
  HTML log:   https://storage.kernelci.org//net-next/master/v5.3-13203-gc01=
ebd6c4698/arm/bcm2835_defconfig/gcc-8/lab-collabora/boot-bcm2836-rpi-2-b.ht=
ml
  Result:     ac7c3e4ff401 compiler: enable CONFIG_OPTIMIZE_INLINING forcib=
ly

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@socionext.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 chan=
ges
    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 ot=
her
    architectures.
    =

    The code clean-up will be done after confirming this is solid.
    =

    Link: http://lkml.kernel.org/r/20190830034304.24259-1-yamada.masahiro@s=
ocionext.com
    Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
    Acked-by: Nick Desaulniers <ndesaulniers@google.com>
    Cc: Ingo Molnar <mingo@redhat.com>
    Cc: Borislav Petkov <bp@alien8.de>
    Cc: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
    Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
    Signed-off-by: Linus Torvalds <torvalds@linux-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: [c01ebd6c46980654220f6d2b660308a074ee29df] r8152: Use guard clause a=
nd fix comment typos
git bisect bad c01ebd6c46980654220f6d2b660308a074ee29df
# good: [45824fc0da6e46cc5d563105e1eaaf3098a686f9] Merge tag 'powerpc-5.4-1=
' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
git bisect good 45824fc0da6e46cc5d563105e1eaaf3098a686f9
# good: [bfe7b00de6d1e25fee08484c4fbf1c1ed175be78] mm, thp: introduce FOLL_=
SPLIT_PMD
git bisect good bfe7b00de6d1e25fee08484c4fbf1c1ed175be78
# bad: [972a2bf7dfe39ebf49dd47f68d27c416392e53b1] Merge tag 'nfs-for-5.4-1'=
 of git://git.linux-nfs.org/projects/anna/linux-nfs
git bisect bad 972a2bf7dfe39ebf49dd47f68d27c416392e53b1
# good: [2e959dd87a9f58f1ad824d830e06388c9e328239] Merge tag 'for-5.4/post-=
2019-09-24' of git://git.kernel.dk/linux-block
git bisect good 2e959dd87a9f58f1ad824d830e06388c9e328239
# bad: [a22fea94992a2bc5328005e62f368413ede49c14] arch/sparc/include/asm/pg=
table_64.h: fix build
git bisect bad a22fea94992a2bc5328005e62f368413ede49c14
# good: [351c8a09b00b5c51c8f58b016fffe51f87e2d820] Merge branch 'i2c/for-5.=
4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
git bisect good 351c8a09b00b5c51c8f58b016fffe51f87e2d820
# bad: [ac7c3e4ff401b304489a031938dbeaab585bfe0a] compiler: enable CONFIG_O=
PTIMIZE_INLINING forcibly
git bisect bad ac7c3e4ff401b304489a031938dbeaab585bfe0a
# good: [94fb98450456da82a16a378816390d99b85edb55] checkpatch: allow consec=
utive close braces
git bisect good 94fb98450456da82a16a378816390d99b85edb55
# good: [4fadcd1c14d810ec6a695039cfc71e03ae742deb] fs/reiserfs/fix_node.c: =
remove set but not used variables
git bisect good 4fadcd1c14d810ec6a695039cfc71e03ae742deb
# good: [8495f7e6732ed248b648d36439795b42ec650b9e] fork: improve error mess=
age for corrupted page tables
git bisect good 8495f7e6732ed248b648d36439795b42ec650b9e
# good: [7c3a6aedcd6aae0a32a527e68669f7dd667492d1] kexec: bail out upon SIG=
KILL when allocating memory.
git bisect good 7c3a6aedcd6aae0a32a527e68669f7dd667492d1
# good: [9dd819a15162f8f82a6001b090caa38c18297b39] uaccess: add missing __m=
ust_check attributes
git bisect good 9dd819a15162f8f82a6001b090caa38c18297b39
# first bad commit: [ac7c3e4ff401b304489a031938dbeaab585bfe0a] compiler: en=
able CONFIG_OPTIMIZE_INLINING forcibly
---------------------------------------------------------------------------=
----