1:52 a.m.
Hi Arnd,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
linux-5.10.y
head: 5040520482a594e92d4f69141229a6dd26173511
commit: 87ae522e467e17a13b796e2cb595f9c3943e4d5e [644/1522] m68knommu: only set
CONFIG_ISA_DMA_API for ColdFire sub-arch
config: m68k-randconfig-r032-20211014 (attached as .config)
compiler: m68k-linux-gcc (GCC) 11.2.0
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
#
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.gi...
git remote add linux-stable-rc
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
git fetch --no-tags linux-stable-rc linux-5.10.y
git checkout 87ae522e467e17a13b796e2cb595f9c3943e4d5e
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir
ARCH=m68k SHELL=/bin/bash drivers/scsi/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All error/warnings (new ones prefixed by >>):
drivers/scsi/BusLogic.c: In function 'blogic_rdconfig':
> drivers/scsi/BusLogic.c:1735:46: warning: ordered comparison of
pointer with null pointer [-Wextra]
1735 | (void *)
high_memory > (void *) MAX_DMA_ADDRESS)
| ^
drivers/scsi/BusLogic.c:1748:46: warning: ordered comparison of pointer with null
pointer [-Wextra]
1748 | (void *) high_memory > (void *) MAX_DMA_ADDRESS)
| ^
drivers/scsi/BusLogic.c: In function 'blogic_getres':
> drivers/scsi/BusLogic.c:2006:47: error:
'DMA_MODE_CASCADE' undeclared (first use in this function); did you mean
'DMA_MODE_READ'?
2006 | set_dma_mode(adapter->dma_ch,
DMA_MODE_CASCADE);
| ^~~~~~~~~~~~~~~~
| DMA_MODE_READ
drivers/scsi/BusLogic.c:2006:47: note: each undeclared identifier is reported only once
for each function it appears in
drivers/scsi/BusLogic.c: In function 'blogic_msg':
drivers/scsi/BusLogic.c:3591:9: warning: function 'blogic_msg' might be a
candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
3591 | len = vsprintf(buf, fmt, args);
| ^~~
vim +2006 drivers/scsi/BusLogic.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 1980
839cb99e8f7483 Khalid Aziz 2013-05-16 1981 static bool __init blogic_getres(struct
blogic_adapter *adapter)
^1da177e4c3f41 Linus Torvalds 2005-04-16 1982 {
839cb99e8f7483 Khalid Aziz 2013-05-16 1983 if (adapter->irq_ch == 0) {
839cb99e8f7483 Khalid Aziz 2013-05-16 1984 blogic_err("NO LEGAL INTERRUPT
CHANNEL ASSIGNED - DETACHING\n",
839cb99e8f7483 Khalid Aziz 2013-05-16 1985 adapter);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1986 return false;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1987 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 1988 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 1989 Acquire shared access to the IRQ
Channel.
^1da177e4c3f41 Linus Torvalds 2005-04-16 1990 */
839cb99e8f7483 Khalid Aziz 2013-05-16 1991 if (request_irq(adapter->irq_ch,
blogic_inthandler, IRQF_SHARED,
839cb99e8f7483 Khalid Aziz 2013-05-16 1992 adapter->full_model, adapter) <
0) {
839cb99e8f7483 Khalid Aziz 2013-05-16 1993 blogic_err("UNABLE TO ACQUIRE IRQ
CHANNEL %d - DETACHING\n",
839cb99e8f7483 Khalid Aziz 2013-05-16 1994 adapter, adapter->irq_ch);
^1da177e4c3f41 Linus Torvalds 2005-04-16 1995 return false;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1996 }
839cb99e8f7483 Khalid Aziz 2013-05-16 1997 adapter->irq_acquired = true;
^1da177e4c3f41 Linus Torvalds 2005-04-16 1998 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 1999 Acquire exclusive access to the DMA
Channel.
^1da177e4c3f41 Linus Torvalds 2005-04-16 2000 */
839cb99e8f7483 Khalid Aziz 2013-05-16 2001 if (adapter->dma_ch > 0) {
839cb99e8f7483 Khalid Aziz 2013-05-16 2002 if (request_dma(adapter->dma_ch,
adapter->full_model) < 0) {
839cb99e8f7483 Khalid Aziz 2013-05-16 2003 blogic_err("UNABLE TO ACQUIRE DMA
CHANNEL %d - DETACHING\n", adapter, adapter->dma_ch);
^1da177e4c3f41 Linus Torvalds 2005-04-16 2004 return false;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2005 }
839cb99e8f7483 Khalid Aziz 2013-05-16 @2006 set_dma_mode(adapter->dma_ch,
DMA_MODE_CASCADE);
839cb99e8f7483 Khalid Aziz 2013-05-16 2007 enable_dma(adapter->dma_ch);
839cb99e8f7483 Khalid Aziz 2013-05-16 2008 adapter->dma_chan_acquired = true;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2009 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 2010 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 2011 Indicate the System Resource
Acquisition completed successfully,
^1da177e4c3f41 Linus Torvalds 2005-04-16 2012 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 2013 return true;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2014 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 2015
:::::: The code at line 2006 was first introduced by commit
:::::: 839cb99e8f748391059d10388c8aea48a88c142c [SCSI] BusLogic: Fix style issues
:::::: TO: Khalid Aziz <khalid.aziz(a)oracle.com>
:::::: CC: James Bottomley <JBottomley(a)Parallels.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org