CC: [email protected]
CC: [email protected]
TO: Greg Ungerer <[email protected]>
CC: Luc Van Oostenryck <[email protected]>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   368094df48e680fa51cedb68537408cfa64b788e
commit: d4aa8affa1e9e51c237a1ec47a97e96dce76c98c m68knommu: fix use of 
cpu_to_le() on IO access
date:   11 months ago
:::::: branch date: 6 hours ago
:::::: commit date: 11 months ago
config: m68k-randconfig-s031-20210608 (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
reproduce:
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d4aa8affa1e9e51c237a1ec47a97e96dce76c98c
        git remote add linus 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout d4aa8affa1e9e51c237a1ec47a97e96dce76c98c
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=m68k 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>


sparse warnings: (new ones prefixed by >>)
>> drivers/net/ethernet/chelsio/cxgb/espi.c:329:9: sparse: sparse: context 
>> imbalance in 't1_espi_get_mon' - different lock contexts for basic block
>> drivers/net/ethernet/chelsio/cxgb/espi.c:356:9: sparse: sparse: context 
>> imbalance in 't1_espi_get_mon_t204' - different lock contexts for basic block

vim +/t1_espi_get_mon +329 drivers/net/ethernet/chelsio/cxgb/espi.c

8199d3a79c224b drivers/net/chelsio/espi.c Christoph Lameter 2005-03-30  313  
8199d3a79c224b drivers/net/chelsio/espi.c Christoph Lameter 2005-03-30  314  
u32 t1_espi_get_mon(adapter_t *adapter, u32 addr, u8 wait)
8199d3a79c224b drivers/net/chelsio/espi.c Christoph Lameter 2005-03-30  315  {
559fb51ba7e66f drivers/net/chelsio/espi.c Scott Bardone     2005-06-23  316     
struct peespi *espi = adapter->espi;
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  317     
u32 sel;
559fb51ba7e66f drivers/net/chelsio/espi.c Scott Bardone     2005-06-23  318  
8199d3a79c224b drivers/net/chelsio/espi.c Christoph Lameter 2005-03-30  319     
if (!is_T2(adapter))
8199d3a79c224b drivers/net/chelsio/espi.c Christoph Lameter 2005-03-30  320     
        return 0;
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  321  
8199d3a79c224b drivers/net/chelsio/espi.c Christoph Lameter 2005-03-30  322     
sel = V_MONITORED_PORT_NUM((addr & 0x3c) >> 2);
8199d3a79c224b drivers/net/chelsio/espi.c Christoph Lameter 2005-03-30  323     
if (!wait) {
8199d3a79c224b drivers/net/chelsio/espi.c Christoph Lameter 2005-03-30  324     
        if (!spin_trylock(&espi->lock))
8199d3a79c224b drivers/net/chelsio/espi.c Christoph Lameter 2005-03-30  325     
                return 0;
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  326     
} else
8199d3a79c224b drivers/net/chelsio/espi.c Christoph Lameter 2005-03-30  327     
        spin_lock(&espi->lock);
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  328  
8199d3a79c224b drivers/net/chelsio/espi.c Christoph Lameter 2005-03-30 @329     
if ((sel != (espi->misc_ctrl & MON_MASK))) {
559fb51ba7e66f drivers/net/chelsio/espi.c Scott Bardone     2005-06-23  330     
        writel(((espi->misc_ctrl & ~MON_MASK) | sel),
559fb51ba7e66f drivers/net/chelsio/espi.c Scott Bardone     2005-06-23  331     
               adapter->regs + A_ESPI_MISC_CONTROL);
559fb51ba7e66f drivers/net/chelsio/espi.c Scott Bardone     2005-06-23  332     
        sel = readl(adapter->regs + A_ESPI_SCH_TOKEN3);
559fb51ba7e66f drivers/net/chelsio/espi.c Scott Bardone     2005-06-23  333     
        writel(espi->misc_ctrl, adapter->regs + A_ESPI_MISC_CONTROL);
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  334     
} else
559fb51ba7e66f drivers/net/chelsio/espi.c Scott Bardone     2005-06-23  335     
        sel = readl(adapter->regs + A_ESPI_SCH_TOKEN3);
8199d3a79c224b drivers/net/chelsio/espi.c Christoph Lameter 2005-03-30  336     
spin_unlock(&espi->lock);
8199d3a79c224b drivers/net/chelsio/espi.c Christoph Lameter 2005-03-30  337     
return sel;
8199d3a79c224b drivers/net/chelsio/espi.c Christoph Lameter 2005-03-30  338  }
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  339  
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  340  /*
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  341   * 
This function is for T204 only.
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  342   * 
compare with t1_espi_get_mon(), it reads espiInTxSop[0 ~ 3] in
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  343   * 
one shot, since there is no per port counter on the out side.
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  344   */
356bd1460d1e1c drivers/net/chelsio/espi.c Francois Romieu   2006-12-11  345  
int t1_espi_get_mon_t204(adapter_t *adapter, u32 *valp, u8 wait)
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  346  {
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  347     
struct peespi *espi = adapter->espi;
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  348     
u8 i, nport = (u8)adapter->params.nports;
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  349  
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  350     
if (!wait) {
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  351     
        if (!spin_trylock(&espi->lock))
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  352     
                return -1;
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  353     
} else
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  354     
        spin_lock(&espi->lock);
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01  355  
f1d3d38af75789 drivers/net/chelsio/espi.c Stephen Hemminger 2006-12-01 @356     
if ((espi->misc_ctrl & MON_MASK) != F_MONITORED_DIRECTION) {

:::::: The code at line 329 was first introduced by commit
:::::: 8199d3a79c224bbe5943fa08684e1f93a17881b0 [PATCH] A new 10GB Ethernet 
Driver by Chelsio Communications

:::::: TO: Christoph Lameter <[email protected]>
:::::: CC: Jeff Garzik <[email protected]>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]

Attachment: .config.gz
Description: application/gzip

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