spinlock.c:306:9: error: implicit declaration of function '__raw_write_lock_nested'

From: Naresh Kamboju
Date: Tue Nov 23 2021 - 06:38:55 EST

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While building Linux next 20211123 tag for sh with gcc-11
following warnings / errors noticed.

make --silent --keep-going --jobs=8
O=/home/tuxbuild/.cache/tuxmake/builds/current ARCH=sh
CROSS_COMPILE=sh4-linux-gnu- 'CC=sccache sh4-linux-gnu-gcc'
'HOSTCC=sccache gcc'
Generating include/generated/machtypes.h
<stdin>:1517:2: warning: #warning syscall clone3 not implemented [-Wcpp]
<stdin>:1559:2: warning: #warning syscall futex_waitv not implemented [-Wcpp]
In file included from arch/sh/include/asm/hw_irq.h:6,
from include/linux/irq.h:594,
from include/asm-generic/hardirq.h:17,
from arch/sh/include/asm/hardirq.h:9,
from include/linux/hardirq.h:11,
from include/linux/interrupt.h:11,
from include/linux/serial_core.h:13,
from include/linux/serial_sci.h:6,
from arch/sh/kernel/cpu/sh4a/setup-shx3.c:10:
include/linux/sh_intc.h:100:63: warning: division 'sizeof (void *) /
sizeof (void)' does not compute the number of array elements
[-Wsizeof-pointer-div]
100 | #define _INTC_ARRAY(a) a, __same_type(a, NULL) ? 0 :
sizeof(a)/sizeof(*a)
| ^
include/linux/sh_intc.h:107:9: note: in expansion of macro '_INTC_ARRAY'
107 | _INTC_ARRAY(sense_regs), _INTC_ARRAY(ack_regs), \
| ^~~~~~~~~~~
include/linux/sh_intc.h:124:15: note: in expansion of macro 'INTC_HW_DESC'
124 | .hw = INTC_HW_DESC(vectors, groups, mask_regs,
\
| ^~~~~~~~~~~~
arch/sh/kernel/cpu/sh4a/setup-shx3.c:309:8: note: in expansion of
macro 'DECLARE_INTC_DESC'
309 | static DECLARE_INTC_DESC(intc_desc, "shx3", vectors, groups,
| ^~~~~~~~~~~~~~~~~
include/linux/sh_intc.h:100:63: warning: division 'sizeof (void *) /
sizeof (void)' does not compute the number of array elements
[-Wsizeof-pointer-div]
100 | #define _INTC_ARRAY(a) a, __same_type(a, NULL) ? 0 :
sizeof(a)/sizeof(*a)
| ^
include/linux/sh_intc.h:107:34: note: in expansion of macro '_INTC_ARRAY'
107 | _INTC_ARRAY(sense_regs), _INTC_ARRAY(ack_regs), \
| ^~~~~~~~~~~
include/linux/sh_intc.h:124:15: note: in expansion of macro 'INTC_HW_DESC'
124 | .hw = INTC_HW_DESC(vectors, groups, mask_regs,
\
| ^~~~~~~~~~~~
arch/sh/kernel/cpu/sh4a/setup-shx3.c:309:8: note: in expansion of
macro 'DECLARE_INTC_DESC'
309 | static DECLARE_INTC_DESC(intc_desc, "shx3", vectors, groups,
| ^~~~~~~~~~~~~~~~~
include/linux/sh_intc.h:100:63: warning: division 'sizeof (void *) /
sizeof (void)' does not compute the number of array elements
[-Wsizeof-pointer-div]
100 | #define _INTC_ARRAY(a) a, __same_type(a, NULL) ? 0 :
sizeof(a)/sizeof(*a)
| ^
include/linux/sh_intc.h:107:34: note: in expansion of macro '_INTC_ARRAY'
107 | _INTC_ARRAY(sense_regs), _INTC_ARRAY(ack_regs), \
| ^~~~~~~~~~~
include/linux/sh_intc.h:124:15: note: in expansion of macro 'INTC_HW_DESC'
124 | .hw = INTC_HW_DESC(vectors, groups, mask_regs,
\
| ^~~~~~~~~~~~
arch/sh/kernel/cpu/sh4a/setup-shx3.c:322:8: note: in expansion of
macro 'DECLARE_INTC_DESC'
322 | static DECLARE_INTC_DESC(intc_desc_irq, "shx3-irq", vectors_irq, groups,
| ^~~~~~~~~~~~~~~~~
include/linux/sh_intc.h:100:63: warning: division 'sizeof (void *) /
sizeof (void)' does not compute the number of array elements
[-Wsizeof-pointer-div]
100 | #define _INTC_ARRAY(a) a, __same_type(a, NULL) ? 0 :
sizeof(a)/sizeof(*a)
| ^
include/linux/sh_intc.h:107:9: note: in expansion of macro '_INTC_ARRAY'
107 | _INTC_ARRAY(sense_regs), _INTC_ARRAY(ack_regs), \
| ^~~~~~~~~~~
include/linux/sh_intc.h:124:15: note: in expansion of macro 'INTC_HW_DESC'
124 | .hw = INTC_HW_DESC(vectors, groups, mask_regs,
\
| ^~~~~~~~~~~~
arch/sh/kernel/cpu/sh4a/setup-shx3.c:337:8: note: in expansion of
macro 'DECLARE_INTC_DESC'
337 | static DECLARE_INTC_DESC(intc_desc_irl, "shx3-irl", vectors_irl, groups,
| ^~~~~~~~~~~~~~~~~
include/linux/sh_intc.h:100:63: warning: division 'sizeof (void *) /
sizeof (void)' does not compute the number of array elements
[-Wsizeof-pointer-div]
100 | #define _INTC_ARRAY(a) a, __same_type(a, NULL) ? 0 :
sizeof(a)/sizeof(*a)
| ^
include/linux/sh_intc.h:107:34: note: in expansion of macro '_INTC_ARRAY'
107 | _INTC_ARRAY(sense_regs), _INTC_ARRAY(ack_regs), \
| ^~~~~~~~~~~
include/linux/sh_intc.h:124:15: note: in expansion of macro 'INTC_HW_DESC'
124 | .hw = INTC_HW_DESC(vectors, groups, mask_regs,
\
| ^~~~~~~~~~~~
arch/sh/kernel/cpu/sh4a/setup-shx3.c:337:8: note: in expansion of
macro 'DECLARE_INTC_DESC'
337 | static DECLARE_INTC_DESC(intc_desc_irl, "shx3-irl", vectors_irl, groups,
| ^~~~~~~~~~~~~~~~~
kernel/locking/spinlock.c: In function '_raw_write_lock_nested':
kernel/locking/spinlock.c:306:9: error: implicit declaration of
function '__raw_write_lock_nested'; did you mean
'_raw_write_lock_nested'? [-Werror=implicit-function-declaration]
306 | __raw_write_lock_nested(lock, subclass);
| ^~~~~~~~~~~~~~~~~~~~~~~
| _raw_write_lock_nested
cc1: some warnings being treated as errors
make[3]: *** [scripts/Makefile.build:288: kernel/locking/spinlock.o] Error 1
make[3]: Target '__build' not remade because of errors.
make[2]: *** [scripts/Makefile.build:571: kernel/locking] Error 2
fs/ext4/readpage.c: In function 'ext4_mpage_readpages':
fs/ext4/readpage.c:413:1: warning: the frame size of 1140 bytes is
larger than 1024 bytes [-Wframe-larger-than=]
413 | }
| ^
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1989: kernel] Error 2
fs/mpage.c: In function '__mpage_writepage':
fs/mpage.c:672:1: warning: the frame size of 1156 bytes is larger than
1024 bytes [-Wframe-larger-than=]
672 | }
| ^
fs/mpage.c: In function 'do_mpage_readpage':
fs/mpage.c:336:1: warning: the frame size of 1092 bytes is larger than
1024 bytes [-Wframe-larger-than=]
336 | }
| ^
make[1]: Target '__all' not remade because of errors.
make: *** [Makefile:226: __sub-make] Error 2
make: Target '__all' not remade because of errors.

Build config:
https://builds.tuxbuild.com/21J9mb3wsbGi616UxQbxP3DSTGv/config

Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>

meta data:
-----------
git describe: next-20211123
git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
git_sha: aacdecce8147c20b01f865b4e214bb8dbe8c4af1
git_short_log: aacdecce8147 (\"Add linux-next specific files for 20211123\")
target_arch: sh
toolchain: gcc-11

steps to reproduce:
tuxmake --runtime podman --target-arch sh --toolchain gcc-11 --kconfig
shx3_defconfig

https://builds.tuxbuild.com/21J9mb3wsbGi616UxQbxP3DSTGv/tuxmake_reproducer.sh

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

Next message: Mark Rutland: "[PATCH v3] Reset task stack state in bringup_cpu()"
Previous message: Eugen.Hristev: "Re: [PATCH 2/2] media: i2c: imx274: implement fwnode parsing"
Next in thread: Arnd Bergmann: "Re: spinlock.c:306:9: error: implicit declaration of function '__raw_write_lock_nested'"
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