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Date: Thu, 9 Jun 2022 16:42:16 +0800
From: kernel test robot <lkp@...el.com>
To: Mayuresh Chitale <mchitale@...tanamicro.com>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org, Anup Patel <anup@...infault.org>
Subject: [avpatel:virtio_rpmsg_bus_fix_v1 35/52]
arch/riscv/kernel/setup.c:299:2: error: call to undeclared function
'riscv_tlbflush_init'; ISO C99 and later do not support implicit function
declarations
tree: https://github.com/avpatel/linux.git virtio_rpmsg_bus_fix_v1
head: 390aaf641ff2f8919268d611e864227265c3f3f2
commit: efaaec7bcbaf3346e07955be46d5e3c2bd662167 [35/52] riscv: mm: use svinval instructions instead of sfence.vma
config: riscv-randconfig-r042-20220609 (https://download.01.org/0day-ci/archive/20220609/202206091653.pAFZq908-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project b92436efcb7813fc481b30f2593a4907568d917a)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://github.com/avpatel/linux/commit/efaaec7bcbaf3346e07955be46d5e3c2bd662167
git remote add avpatel https://github.com/avpatel/linux.git
git fetch --no-tags avpatel virtio_rpmsg_bus_fix_v1
git checkout efaaec7bcbaf3346e07955be46d5e3c2bd662167
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/kernel/ arch/riscv/lib/ arch/riscv/mm/ kernel/dma/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from arch/riscv/kernel/setup.c:21:
In file included from include/linux/efi.h:20:
In file included from include/linux/rtc.h:17:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:464:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:477:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from arch/riscv/kernel/setup.c:21:
In file included from include/linux/efi.h:20:
In file included from include/linux/rtc.h:17:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from arch/riscv/kernel/setup.c:21:
In file included from include/linux/efi.h:20:
In file included from include/linux/rtc.h:17:
In file included from include/linux/interrupt.h:11:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/riscv/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/riscv/include/asm/io.h:136:
include/asm-generic/io.h:501:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:511:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:521:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:1024:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
~~~~~~~~~~ ^
>> arch/riscv/kernel/setup.c:299:2: error: call to undeclared function 'riscv_tlbflush_init'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
riscv_tlbflush_init();
^
7 warnings and 1 error generated.
vim +/riscv_tlbflush_init +299 arch/riscv/kernel/setup.c
297
298 riscv_fill_hwcap();
> 299 riscv_tlbflush_init();
300 apply_boot_alternatives();
301 }
302
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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