linux-kernel - [paulmck-rcu:joel.2022.07.14a] BUILD REGRESSION 37d0460c40e7e364151894260d483ade68b1de34

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Message-ID: <62d1e638.vu5Pg3TX+uGBl7As%lkp@intel.com>
Date:   Sat, 16 Jul 2022 06:12:08 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Paul E. McKenney" <paulmck@...nel.org>
Cc:     linux-kernel@...r.kernel.org
Subject: [paulmck-rcu:joel.2022.07.14a] BUILD REGRESSION
 37d0460c40e7e364151894260d483ade68b1de34

tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git joel.2022.07.14a
branch HEAD: 37d0460c40e7e364151894260d483ade68b1de34  rcutorture: Add test code for call_rcu_lazy()

Error/Warning reports:

https://lore.kernel.org/lkml/202207150959.APaZTo2Q-lkp@intel.com
https://lore.kernel.org/llvm/202207150859.kU3p78eN-lkp@intel.com

Error/Warning: (recently discovered and may have been fixed)

kernel/rcu/rcuscale.c:819:14: error: call to undeclared function 'rcu_lazy_get_jiffies_till_flush'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
kernel/rcu/rcuscale.c:819:28: error: implicit declaration of function 'rcu_lazy_get_jiffies_till_flush' [-Werror=implicit-function-declaration]
kernel/rcu/rcuscale.c:822:17: error: implicit declaration of function 'rcu_lazy_set_jiffies_till_flush' [-Werror=implicit-function-declaration]
kernel/rcu/rcuscale.c:822:3: error: call to undeclared function 'rcu_lazy_set_jiffies_till_flush'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]

Error/Warning ids grouped by kconfigs:

gcc_recent_errors
|-- x86_64-randconfig-a002
|   |-- kernel-rcu-rcuscale.c:error:implicit-declaration-of-function-rcu_lazy_get_jiffies_till_flush
|   `-- kernel-rcu-rcuscale.c:error:implicit-declaration-of-function-rcu_lazy_set_jiffies_till_flush
`-- x86_64-randconfig-a013
    |-- kernel-rcu-rcuscale.c:error:implicit-declaration-of-function-rcu_lazy_get_jiffies_till_flush
    `-- kernel-rcu-rcuscale.c:error:implicit-declaration-of-function-rcu_lazy_set_jiffies_till_flush
clang_recent_errors
|-- arm-randconfig-r015-20220714
|   |-- kernel-rcu-rcuscale.c:error:call-to-undeclared-function-rcu_lazy_get_jiffies_till_flush-ISO-C99-and-later-do-not-support-implicit-function-declarations
|   `-- kernel-rcu-rcuscale.c:error:call-to-undeclared-function-rcu_lazy_set_jiffies_till_flush-ISO-C99-and-later-do-not-support-implicit-function-declarations
|-- hexagon-randconfig-r041-20220714
|   |-- kernel-rcu-rcuscale.c:error:call-to-undeclared-function-rcu_lazy_get_jiffies_till_flush-ISO-C99-and-later-do-not-support-implicit-function-declarations
|   `-- kernel-rcu-rcuscale.c:error:call-to-undeclared-function-rcu_lazy_set_jiffies_till_flush-ISO-C99-and-later-do-not-support-implicit-function-declarations
`-- x86_64-randconfig-a012
    |-- kernel-rcu-rcuscale.c:error:call-to-undeclared-function-rcu_lazy_get_jiffies_till_flush-ISO-C99-and-later-do-not-support-implicit-function-declarations
    `-- kernel-rcu-rcuscale.c:error:call-to-undeclared-function-rcu_lazy_set_jiffies_till_flush-ISO-C99-and-later-do-not-support-implicit-function-declarations

elapsed time: 1417m

configs tested: 33
configs skipped: 2

gcc tested configs:
m68k                             allmodconfig
arc                              allyesconfig
alpha                            allyesconfig
m68k                             allyesconfig
powerpc                           allnoconfig
mips                             allyesconfig
powerpc                          allmodconfig
sh                               allmodconfig
i386                                defconfig
i386                             allyesconfig
x86_64                        randconfig-a004
x86_64                        randconfig-a002
i386                          randconfig-a001
i386                          randconfig-a003
i386                          randconfig-a005
x86_64                        randconfig-a013
x86_64                        randconfig-a011
x86_64                        randconfig-a015
i386                          randconfig-a016
um                             i386_defconfig
um                           x86_64_defconfig
x86_64                               rhel-8.3
x86_64                           allyesconfig
x86_64                              defconfig

clang tested configs:
i386                          randconfig-a002
i386                          randconfig-a004
i386                          randconfig-a006
x86_64                        randconfig-a012
x86_64                        randconfig-a014
x86_64                        randconfig-a016
i386                          randconfig-a015
hexagon              randconfig-r045-20220714
hexagon              randconfig-r041-20220714

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