Hi Luc,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   f40ddce88593482919761f74910f42f4b84c004b
commit: e5fc436f06eef54ef512ea55a9db8eb9f2e76959 sparse: use static inline for 
__chk_{user,io}_ptr()
date:   6 months ago
config: sh-randconfig-s032-20210217 (attached as .config)
compiler: sh4-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: v0.6.3-215-g0fb77bb6-dirty
        # 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e5fc436f06eef54ef512ea55a9db8eb9f2e76959
        git remote add linus 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout e5fc436f06eef54ef512ea55a9db8eb9f2e76959
        # 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__' ARCH=sh 

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


"sparse warnings: (new ones prefixed by >>)"
>> arch/sh/kernel/ftrace.c:368:17: sparse: sparse: incorrect type in argument 1 
>> (different address spaces) @@     expected void const volatile [noderef] 
>> __iomem *ptr @@     got unsigned long *parent @@
   arch/sh/kernel/ftrace.c:368:17: sparse:     expected void const volatile 
[noderef] __iomem *ptr
   arch/sh/kernel/ftrace.c:368:17: sparse:     got unsigned long *parent
--
>> arch/sh/kernel/cpu/sh3/serial-sh7720.c:16:32: sparse: sparse: incorrect type 
>> in argument 1 (different base types) @@     expected void const volatile 
>> [noderef] __iomem *ptr @@     got unsigned long @@
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:16:32: sparse:     expected void 
const volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:16:32: sparse:     got unsigned long
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:17:25: sparse: sparse: incorrect type 
in argument 1 (different base types) @@     expected void const volatile 
[noderef] __iomem *ptr @@     got unsigned long @@
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:17:25: sparse:     expected void 
const volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:17:25: sparse:     got unsigned long
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:20:32: sparse: sparse: incorrect type 
in argument 1 (different base types) @@     expected void const volatile 
[noderef] __iomem *ptr @@     got unsigned long @@
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:20:32: sparse:     expected void 
const volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:20:32: sparse:     got unsigned long
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:21:25: sparse: sparse: incorrect type 
in argument 1 (different base types) @@     expected void const volatile 
[noderef] __iomem *ptr @@     got unsigned long @@
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:21:25: sparse:     expected void 
const volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:21:25: sparse:     got unsigned long
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:26:32: sparse: sparse: incorrect type 
in argument 1 (different base types) @@     expected void const volatile 
[noderef] __iomem *ptr @@     got unsigned long @@
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:26:32: sparse:     expected void 
const volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:26:32: sparse:     got unsigned long
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:27:25: sparse: sparse: incorrect type 
in argument 1 (different base types) @@     expected void const volatile 
[noderef] __iomem *ptr @@     got unsigned long @@
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:27:25: sparse:     expected void 
const volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:27:25: sparse:     got unsigned long
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:30:32: sparse: sparse: incorrect type 
in argument 1 (different base types) @@     expected void const volatile 
[noderef] __iomem *ptr @@     got unsigned long @@
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:30:32: sparse:     expected void 
const volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:30:32: sparse:     got unsigned long
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:31:25: sparse: sparse: incorrect type 
in argument 1 (different base types) @@     expected void const volatile 
[noderef] __iomem *ptr @@     got unsigned long @@
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:31:25: sparse:     expected void 
const volatile [noderef] __iomem *ptr
   arch/sh/kernel/cpu/sh3/serial-sh7720.c:31:25: sparse:     got unsigned long
--
>> arch/sh/boards/board-magicpanelr2.c:39:13: sparse: sparse: incorrect type in 
>> argument 1 (different base types) @@     expected void const volatile 
>> [noderef] __iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:39:13: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:39:13: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:44:21: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:44:21: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:44:21: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:54:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:54:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:54:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:54:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:54:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:54:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:59:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:59:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:59:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:59:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:59:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:59:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:66:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:66:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:66:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:68:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:68:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:68:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:72:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:72:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:72:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:74:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:74:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:74:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:78:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:78:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:78:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:80:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:80:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:80:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:84:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:84:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:84:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:86:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:86:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:86:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:90:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:90:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:90:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:92:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:92:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:92:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:100:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:100:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:100:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:105:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:105:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:105:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:110:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:110:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:110:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:115:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:115:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:115:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:120:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:120:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:120:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:125:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:125:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:125:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:130:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:130:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:130:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:135:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:135:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:135:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:140:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:140:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:140:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:145:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:145:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:145:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:150:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:150:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:150:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:156:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:156:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:156:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:164:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:164:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:164:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:173:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:173:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:173:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:174:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:174:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:174:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:191:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:191:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:191:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:196:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:196:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
   arch/sh/boards/board-magicpanelr2.c:196:9: sparse:     got unsigned long
   arch/sh/boards/board-magicpanelr2.c:201:9: sparse: sparse: incorrect type in 
argument 1 (different base types) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned long @@
   arch/sh/boards/board-magicpanelr2.c:201:9: sparse:     expected void const 
volatile [noderef] __iomem *ptr
--
>> drivers/mmc/host/dw_mmc.c:602:29: sparse: sparse: incorrect type in argument 
>> 1 (different address spaces) @@     expected void const volatile [noderef] 
>> __iomem *ptr @@     got unsigned int * @@
   drivers/mmc/host/dw_mmc.c:602:29: sparse:     expected void const volatile 
[noderef] __iomem *ptr
   drivers/mmc/host/dw_mmc.c:602:29: sparse:     got unsigned int *
>> drivers/mmc/host/dw_mmc.c:602:29: sparse: sparse: incorrect type in argument 
>> 1 (different address spaces) @@     expected void const volatile [noderef] 
>> __iomem *ptr @@     got unsigned int * @@
   drivers/mmc/host/dw_mmc.c:602:29: sparse:     expected void const volatile 
[noderef] __iomem *ptr
   drivers/mmc/host/dw_mmc.c:602:29: sparse:     got unsigned int *
   drivers/mmc/host/dw_mmc.c:615:25: sparse: sparse: restricted __le32 degrades 
to integer
   drivers/mmc/host/dw_mmc.c:615:25: sparse: sparse: restricted __le32 degrades 
to integer
>> drivers/mmc/host/dw_mmc.c:674:29: sparse: sparse: incorrect type in argument 
>> 1 (different address spaces) @@     expected void const volatile [noderef] 
>> __iomem *ptr @@     got restricted __le32 * @@
   drivers/mmc/host/dw_mmc.c:674:29: sparse:     expected void const volatile 
[noderef] __iomem *ptr
   drivers/mmc/host/dw_mmc.c:674:29: sparse:     got restricted __le32 *
   drivers/mmc/host/dw_mmc.c:674:29: sparse: sparse: restricted __le32 degrades 
to integer
>> drivers/mmc/host/dw_mmc.c:674:29: sparse: sparse: incorrect type in argument 
>> 1 (different address spaces) @@     expected void const volatile [noderef] 
>> __iomem *ptr @@     got restricted __le32 * @@
   drivers/mmc/host/dw_mmc.c:674:29: sparse:     expected void const volatile 
[noderef] __iomem *ptr
   drivers/mmc/host/dw_mmc.c:674:29: sparse:     got restricted __le32 *
   drivers/mmc/host/dw_mmc.c:674:29: sparse: sparse: restricted __le32 degrades 
to integer
--
   drivers/vhost/vringh.c:567:18: sparse: sparse: incorrect type in initializer 
(different address spaces) @@     expected restricted __virtio16 const 
*__gu_addr @@     got restricted __virtio16 [noderef] [usertype] __user * @@
   drivers/vhost/vringh.c:567:18: sparse:     expected restricted __virtio16 
const *__gu_addr
   drivers/vhost/vringh.c:567:18: sparse:     got restricted __virtio16 
[noderef] [usertype] __user *
>> drivers/vhost/vringh.c:567:18: sparse: sparse: incorrect type in argument 1 
>> (different address spaces) @@     expected void const volatile [noderef] 
>> __user *ptr @@     got restricted __virtio16 const *__gu_addr @@
   drivers/vhost/vringh.c:567:18: sparse:     expected void const volatile 
[noderef] __user *ptr
   drivers/vhost/vringh.c:567:18: sparse:     got restricted __virtio16 const 
*__gu_addr
--
>> drivers/soc/qcom/smp2p.c:218:23: sparse: sparse: incorrect type in argument 
>> 1 (different address spaces) @@     expected void const volatile [noderef] 
>> __iomem *ptr @@     got unsigned int [usertype] *value @@
   drivers/soc/qcom/smp2p.c:218:23: sparse:     expected void const volatile 
[noderef] __iomem *ptr
   drivers/soc/qcom/smp2p.c:218:23: sparse:     got unsigned int [usertype] 
*value
   drivers/soc/qcom/smp2p.c:325:22: sparse: sparse: incorrect type in argument 
1 (different address spaces) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned int [usertype] *value @@
   drivers/soc/qcom/smp2p.c:325:22: sparse:     expected void const volatile 
[noderef] __iomem *ptr
   drivers/soc/qcom/smp2p.c:325:22: sparse:     got unsigned int [usertype] 
*value
   drivers/soc/qcom/smp2p.c:328:9: sparse: sparse: incorrect type in argument 1 
(different address spaces) @@     expected void const volatile [noderef] 
__iomem *ptr @@     got unsigned int [usertype] *value @@
   drivers/soc/qcom/smp2p.c:328:9: sparse:     expected void const volatile 
[noderef] __iomem *ptr
   drivers/soc/qcom/smp2p.c:328:9: sparse:     got unsigned int [usertype] 
*value
--
   drivers/watchdog/pcwd_usb.c:375:37: sparse: sparse: incorrect type in 
initializer (different address spaces) @@     expected char const *__gu_addr @@ 
    got char const [noderef] __user * @@
   drivers/watchdog/pcwd_usb.c:375:37: sparse:     expected char const 
*__gu_addr
   drivers/watchdog/pcwd_usb.c:375:37: sparse:     got char const [noderef] 
__user *
>> drivers/watchdog/pcwd_usb.c:375:37: sparse: sparse: incorrect type in 
>> argument 1 (different address spaces) @@     expected void const volatile 
>> [noderef] __user *ptr @@     got char const *__gu_addr @@
   drivers/watchdog/pcwd_usb.c:375:37: sparse:     expected void const volatile 
[noderef] __user *ptr
   drivers/watchdog/pcwd_usb.c:375:37: sparse:     got char const *__gu_addr
   drivers/watchdog/pcwd_usb.c:423:21: sparse: sparse: incorrect type in 
initializer (different address spaces) @@     expected int const *__gu_addr @@  
   got int [noderef] __user *p @@
   drivers/watchdog/pcwd_usb.c:423:21: sparse:     expected int const *__gu_addr
   drivers/watchdog/pcwd_usb.c:423:21: sparse:     got int [noderef] __user *p
>> drivers/watchdog/pcwd_usb.c:423:21: sparse: sparse: incorrect type in 
>> argument 1 (different address spaces) @@     expected void const volatile 
>> [noderef] __user *ptr @@     got int const *__gu_addr @@
   drivers/watchdog/pcwd_usb.c:423:21: sparse:     expected void const volatile 
[noderef] __user *ptr
   drivers/watchdog/pcwd_usb.c:423:21: sparse:     got int const *__gu_addr
   drivers/watchdog/pcwd_usb.c:447:21: sparse: sparse: incorrect type in 
initializer (different address spaces) @@     expected int const *__gu_addr @@  
   got int [noderef] __user *p @@
   drivers/watchdog/pcwd_usb.c:447:21: sparse:     expected int const *__gu_addr
   drivers/watchdog/pcwd_usb.c:447:21: sparse:     got int [noderef] __user *p
   drivers/watchdog/pcwd_usb.c:447:21: sparse: sparse: incorrect type in 
argument 1 (different address spaces) @@     expected void const volatile 
[noderef] __user *ptr @@     got int const *__gu_addr @@
   drivers/watchdog/pcwd_usb.c:447:21: sparse:     expected void const volatile 
[noderef] __user *ptr
   drivers/watchdog/pcwd_usb.c:447:21: sparse:     got int const *__gu_addr
--
   drivers/watchdog/mv64x60_wdt.c:163:37: sparse: sparse: incorrect type in 
initializer (different address spaces) @@     expected char const *__gu_addr @@ 
    got char const [noderef] __user * @@
   drivers/watchdog/mv64x60_wdt.c:163:37: sparse:     expected char const 
*__gu_addr
   drivers/watchdog/mv64x60_wdt.c:163:37: sparse:     got char const [noderef] 
__user *
>> drivers/watchdog/mv64x60_wdt.c:163:37: sparse: sparse: incorrect type in 
>> argument 1 (different address spaces) @@     expected void const volatile 
>> [noderef] __user *ptr @@     got char const *__gu_addr @@
   drivers/watchdog/mv64x60_wdt.c:163:37: sparse:     expected void const 
volatile [noderef] __user *ptr
   drivers/watchdog/mv64x60_wdt.c:163:37: sparse:     got char const *__gu_addr
   drivers/watchdog/mv64x60_wdt.c:206:21: sparse: sparse: incorrect type in 
initializer (different address spaces) @@     expected int const *__gu_addr @@  
   got int [noderef] __user * @@
   drivers/watchdog/mv64x60_wdt.c:206:21: sparse:     expected int const 
*__gu_addr
   drivers/watchdog/mv64x60_wdt.c:206:21: sparse:     got int [noderef] __user *
>> drivers/watchdog/mv64x60_wdt.c:206:21: sparse: sparse: incorrect type in 
>> argument 1 (different address spaces) @@     expected void const volatile 
>> [noderef] __user *ptr @@     got int const *__gu_addr @@
   drivers/watchdog/mv64x60_wdt.c:206:21: sparse:     expected void const 
volatile [noderef] __user *ptr
   drivers/watchdog/mv64x60_wdt.c:206:21: sparse:     got int const *__gu_addr
   drivers/watchdog/mv64x60_wdt.c:222:21: sparse: sparse: incorrect type in 
initializer (different address spaces) @@     expected int const *__gu_addr @@  
   got int [noderef] __user * @@
   drivers/watchdog/mv64x60_wdt.c:222:21: sparse:     expected int const 
*__gu_addr
   drivers/watchdog/mv64x60_wdt.c:222:21: sparse:     got int [noderef] __user *
   drivers/watchdog/mv64x60_wdt.c:222:21: sparse: sparse: incorrect type in 
argument 1 (different address spaces) @@     expected void const volatile 
[noderef] __user *ptr @@     got int const *__gu_addr @@
   drivers/watchdog/mv64x60_wdt.c:222:21: sparse:     expected void const 
volatile [noderef] __user *ptr
   drivers/watchdog/mv64x60_wdt.c:222:21: sparse:     got int const *__gu_addr

vim +368 arch/sh/kernel/ftrace.c

327933f5d6cdf0 Matt Fleming             2009-07-11  303  
327933f5d6cdf0 Matt Fleming             2009-07-11  304  /*
327933f5d6cdf0 Matt Fleming             2009-07-11  305   * Hook the return 
address and push it in the stack of return addrs
327933f5d6cdf0 Matt Fleming             2009-07-11  306   * in the current 
thread info.
327933f5d6cdf0 Matt Fleming             2009-07-11  307   *
327933f5d6cdf0 Matt Fleming             2009-07-11  308   * This is the main 
routine for the function graph tracer. The function
327933f5d6cdf0 Matt Fleming             2009-07-11  309   * graph tracer 
essentially works like this:
327933f5d6cdf0 Matt Fleming             2009-07-11  310   *
327933f5d6cdf0 Matt Fleming             2009-07-11  311   * parent is the stack 
address containing self_addr's return address.
327933f5d6cdf0 Matt Fleming             2009-07-11  312   * We pull the real 
return address out of parent and store it in
327933f5d6cdf0 Matt Fleming             2009-07-11  313   * current's 
ret_stack. Then, we replace the return address on the stack
327933f5d6cdf0 Matt Fleming             2009-07-11  314   * with the address of 
return_to_handler. self_addr is the function that
327933f5d6cdf0 Matt Fleming             2009-07-11  315   * called mcount.
327933f5d6cdf0 Matt Fleming             2009-07-11  316   *
327933f5d6cdf0 Matt Fleming             2009-07-11  317   * When self_addr 
returns, it will jump to return_to_handler which calls
327933f5d6cdf0 Matt Fleming             2009-07-11  318   * 
ftrace_return_to_handler. ftrace_return_to_handler will pull the real
327933f5d6cdf0 Matt Fleming             2009-07-11  319   * return address off 
of current's ret_stack and jump to it.
327933f5d6cdf0 Matt Fleming             2009-07-11  320   */
327933f5d6cdf0 Matt Fleming             2009-07-11  321  void 
prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
327933f5d6cdf0 Matt Fleming             2009-07-11  322  {
327933f5d6cdf0 Matt Fleming             2009-07-11  323         unsigned long 
old;
bc715ee4dbc5db Steven Rostedt (VMware   2018-11-18  324)        int faulted;
327933f5d6cdf0 Matt Fleming             2009-07-11  325         unsigned long 
return_hooker = (unsigned long)&return_to_handler;
327933f5d6cdf0 Matt Fleming             2009-07-11  326  
7fa322dba30ced Steven Rostedt (Red Hat  2014-06-25  327)        if 
(unlikely(ftrace_graph_is_dead()))
7fa322dba30ced Steven Rostedt (Red Hat  2014-06-25  328)                return;
7fa322dba30ced Steven Rostedt (Red Hat  2014-06-25  329) 
327933f5d6cdf0 Matt Fleming             2009-07-11  330         if 
(unlikely(atomic_read(&current->tracing_graph_pause)))
327933f5d6cdf0 Matt Fleming             2009-07-11  331                 return;
327933f5d6cdf0 Matt Fleming             2009-07-11  332  
327933f5d6cdf0 Matt Fleming             2009-07-11  333         /*
327933f5d6cdf0 Matt Fleming             2009-07-11  334          * Protect 
against fault, even if it shouldn't
327933f5d6cdf0 Matt Fleming             2009-07-11  335          * happen. This 
tool is too much intrusive to
327933f5d6cdf0 Matt Fleming             2009-07-11  336          * ignore such 
a protection.
327933f5d6cdf0 Matt Fleming             2009-07-11  337          */
327933f5d6cdf0 Matt Fleming             2009-07-11  338         __asm__ 
__volatile__(
327933f5d6cdf0 Matt Fleming             2009-07-11  339                 "1:     
                                        \n\t"
327933f5d6cdf0 Matt Fleming             2009-07-11  340                 "mov.l  
        @%2, %0                         \n\t"
327933f5d6cdf0 Matt Fleming             2009-07-11  341                 "2:     
                                        \n\t"
327933f5d6cdf0 Matt Fleming             2009-07-11  342                 "mov.l  
        %3, @%2                         \n\t"
327933f5d6cdf0 Matt Fleming             2009-07-11  343                 "mov    
        #0, %1                          \n\t"
327933f5d6cdf0 Matt Fleming             2009-07-11  344                 "3:     
                                        \n\t"
327933f5d6cdf0 Matt Fleming             2009-07-11  345                 
".section .fixup, \"ax\"                        \n\t"
327933f5d6cdf0 Matt Fleming             2009-07-11  346                 "4:     
                                        \n\t"
327933f5d6cdf0 Matt Fleming             2009-07-11  347                 "mov.l  
        5f, %0                          \n\t"
327933f5d6cdf0 Matt Fleming             2009-07-11  348                 "jmp    
        @%0                             \n\t"
327933f5d6cdf0 Matt Fleming             2009-07-11  349                 " mov   
        #1, %1                          \n\t"
327933f5d6cdf0 Matt Fleming             2009-07-11  350                 
".balign 4                                      \n\t"
327933f5d6cdf0 Matt Fleming             2009-07-11  351                 "5:     
.long 3b                                \n\t"
327933f5d6cdf0 Matt Fleming             2009-07-11  352                 
".previous                                      \n\t"
327933f5d6cdf0 Matt Fleming             2009-07-11  353                 
".section __ex_table,\"a\"                      \n\t"
327933f5d6cdf0 Matt Fleming             2009-07-11  354                 ".long 
1b, 4b                                   \n\t"
327933f5d6cdf0 Matt Fleming             2009-07-11  355                 ".long 
2b, 4b                                   \n\t"
327933f5d6cdf0 Matt Fleming             2009-07-11  356                 
".previous                                      \n\t"
327933f5d6cdf0 Matt Fleming             2009-07-11  357                 : "=&r" 
(old), "=r" (faulted)
327933f5d6cdf0 Matt Fleming             2009-07-11  358                 : "r" 
(parent), "r" (return_hooker)
327933f5d6cdf0 Matt Fleming             2009-07-11  359         );
327933f5d6cdf0 Matt Fleming             2009-07-11  360  
327933f5d6cdf0 Matt Fleming             2009-07-11  361         if 
(unlikely(faulted)) {
327933f5d6cdf0 Matt Fleming             2009-07-11  362                 
ftrace_graph_stop();
327933f5d6cdf0 Matt Fleming             2009-07-11  363                 
WARN_ON(1);
327933f5d6cdf0 Matt Fleming             2009-07-11  364                 return;
327933f5d6cdf0 Matt Fleming             2009-07-11  365         }
327933f5d6cdf0 Matt Fleming             2009-07-11  366  
bc715ee4dbc5db Steven Rostedt (VMware   2018-11-18  367)        if 
(function_graph_enter(old, self_addr, 0, NULL))
327933f5d6cdf0 Matt Fleming             2009-07-11 @368                 
__raw_writel(old, parent);

:::::: The code at line 368 was first introduced by commit
:::::: 327933f5d6cdf083284d3c06e0370d1de464aef4 sh: Function graph tracer 
support

:::::: TO: Matt Fleming <[email protected]>
:::::: CC: Paul Mundt <[email protected]>

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

Attachment: .config.gz
Description: application/gzip

Reply via email to