2017-03-04 23:56:47

by Fengguang Wu

[permalink] [raw]

Subject: arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.

---

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 2d62e0768d3c28536d4cfe4c40ba1e5e8e442a93
commit: 0e9f9fd20ce931cc2cf0519c56ae33fc74d656ad openrisc: add atomic bitops
date: 8 days ago
config: openrisc-or1ksim_defconfig (attached as .config)
compiler: or32-linux-gcc (GCC) 4.5.1-or32-1.0rc1
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 0e9f9fd20ce931cc2cf0519c56ae33fc74d656ad
# save the attached .config to linux build tree
make.cross ARCH=openrisc

All errors (new ones prefixed by >>):

arch/openrisc/include/asm/bitops/atomic.h: Assembler messages:
>> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
--
arch/openrisc/include/asm/bitops/atomic.h: Assembler messages:
arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
--
arch/openrisc/include/asm/bitops/atomic.h: Assembler messages:
arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
net/core/dev.c: In function 'validate_xmit_skb_list':
net/core/dev.c:2989:39: warning: 'tail' may be used uninitialized in this function
>> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
--
arch/openrisc/include/asm/bitops/atomic.h: Assembler messages:
>> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.

vim +35 arch/openrisc/include/asm/bitops/atomic.h

29 static inline void clear_bit(int nr, volatile unsigned long *addr)
30 {
31 unsigned long mask = BIT_MASK(nr);
32 unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
33 unsigned long tmp;
34
> 35 __asm__ __volatile__(
36 "1: l.lwa %0,0(%1) \n"
> 37 " l.and %0,%0,%2 \n"
38 " l.swa 0(%1),%0 \n"
39 " l.bnf 1b \n"
40 " l.nop \n"

---
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https://lists.01.org/pipermail/kbuild-all Intel Corporation

---

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2017-03-05 21:40:47

by Stafford Horne

[permalink] [raw]

Subject: Re: arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.

---

On Sun, Mar 05, 2017 at 07:56:25AM +0800, kbuild test robot wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 2d62e0768d3c28536d4cfe4c40ba1e5e8e442a93
> commit: 0e9f9fd20ce931cc2cf0519c56ae33fc74d656ad openrisc: add atomic bitops
> date: 8 days ago
> config: openrisc-or1ksim_defconfig (attached as .config)
> compiler: or32-linux-gcc (GCC) 4.5.1-or32-1.0rc1

Hello,

This should not happen, I patched make.cross to download the
or1k-linux-gcc toolchain.

Could you let me know if there is really something wrong? Maybe an old
version or make.cross on this host?

-Stafford

> reproduce:
> wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> git checkout 0e9f9fd20ce931cc2cf0519c56ae33fc74d656ad
> # save the attached .config to linux build tree
> make.cross ARCH=openrisc
>
> All errors (new ones prefixed by >>):
>
> arch/openrisc/include/asm/bitops/atomic.h: Assembler messages:
> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
> --
> arch/openrisc/include/asm/bitops/atomic.h: Assembler messages:
> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
> --
> arch/openrisc/include/asm/bitops/atomic.h: Assembler messages:
> arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
> net/core/dev.c: In function 'validate_xmit_skb_list':
> net/core/dev.c:2989:39: warning: 'tail' may be used uninitialized in this function
> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
> --
> arch/openrisc/include/asm/bitops/atomic.h: Assembler messages:
> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>
> vim +35 arch/openrisc/include/asm/bitops/atomic.h
>
> 29 static inline void clear_bit(int nr, volatile unsigned long *addr)
> 30 {
> 31 unsigned long mask = BIT_MASK(nr);
> 32 unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
> 33 unsigned long tmp;
> 34
> > 35 __asm__ __volatile__(
> 36 "1: l.lwa %0,0(%1) \n"
> > 37 " l.and %0,%0,%2 \n"
> 38 " l.swa 0(%1),%0 \n"
> 39 " l.bnf 1b \n"
> 40 " l.nop \n"
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation

2017-03-06 01:22:08

by Fengguang Wu

[permalink] [raw]

Subject: Re: [kbuild-all] arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.

---

Hi Stafford,

On Mon, Mar 06, 2017 at 06:40:41AM +0900, Stafford Horne wrote:
>On Sun, Mar 05, 2017 at 07:56:25AM +0800, kbuild test robot wrote:
>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head: 2d62e0768d3c28536d4cfe4c40ba1e5e8e442a93
>> commit: 0e9f9fd20ce931cc2cf0519c56ae33fc74d656ad openrisc: add atomic bitops
>> date: 8 days ago
>> config: openrisc-or1ksim_defconfig (attached as .config)
>> compiler: or32-linux-gcc (GCC) 4.5.1-or32-1.0rc1
>
>Hello,
>
>This should not happen, I patched make.cross to download the
>or1k-linux-gcc toolchain.
>
>Could you let me know if there is really something wrong? Maybe an old
>version or make.cross on this host?

Ah sorry I forgot to change the robot code accordingly, which relies
on pre-downloaded cross binaries. Will do so right away.

Thanks,
Fengguang

>> reproduce:
>> wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>> chmod +x ~/bin/make.cross
>> git checkout 0e9f9fd20ce931cc2cf0519c56ae33fc74d656ad
>> # save the attached .config to linux build tree
>> make.cross ARCH=openrisc
>>
>> All errors (new ones prefixed by >>):
>>
>> arch/openrisc/include/asm/bitops/atomic.h: Assembler messages:
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> --
>> arch/openrisc/include/asm/bitops/atomic.h: Assembler messages:
>> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> --
>> arch/openrisc/include/asm/bitops/atomic.h: Assembler messages:
>> arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:90: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:92: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>> net/core/dev.c: In function 'validate_xmit_skb_list':
>> net/core/dev.c:2989:39: warning: 'tail' may be used uninitialized in this function
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:18: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:20: Error: unknown opcode2 `l.swa'.
>> --
>> arch/openrisc/include/asm/bitops/atomic.h: Assembler messages:
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>> arch/openrisc/include/asm/bitops/atomic.h:70: Error: unknown opcode2 `l.lwa'.
>> arch/openrisc/include/asm/bitops/atomic.h:72: Error: unknown opcode2 `l.swa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:35: Error: unknown opcode2 `l.lwa'.
>> >> arch/openrisc/include/asm/bitops/atomic.h:37: Error: unknown opcode2 `l.swa'.
>>
>> vim +35 arch/openrisc/include/asm/bitops/atomic.h
>>
>> 29 static inline void clear_bit(int nr, volatile unsigned long *addr)
>> 30 {
>> 31 unsigned long mask = BIT_MASK(nr);
>> 32 unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
>> 33 unsigned long tmp;
>> 34
>> > 35 __asm__ __volatile__(
>> 36 "1: l.lwa %0,0(%1) \n"
>> > 37 " l.and %0,%0,%2 \n"
>> 38 " l.swa 0(%1),%0 \n"
>> 39 " l.bnf 1b \n"
>> 40 " l.nop \n"
>>
>> ---
>> 0-DAY kernel test infrastructure Open Source Technology Center
>> https://lists.01.org/pipermail/kbuild-all Intel Corporation
>
>
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