tree:
https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-4.4
head: ff2f124e9fc35cb17b382fa64807a9f3a8f532cf
commit: ff2f124e9fc35cb17b382fa64807a9f3a8f532cf [1/1] BACKPORT: FROMLIST: xhci: Tune
interrupt blocking for isochronous transfers
config: x86_64-randconfig-a012-20201019 (attached as .config)
compiler: clang version 12.0.0 (
https://github.com/llvm/llvm-project
094e9f4779eb9b5c6a49014f2f80b8cbb833572f)
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 x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
git remote add chrome-os
https://chromium.googlesource.com/chromiumos/third_party/kernel
git fetch --no-tags chrome-os chromeos-4.4
git checkout ff2f124e9fc35cb17b382fa64807a9f3a8f532cf
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<scratch space>:86:1: note: expanded from here
this_cpu_add_8
^
arch/x86/include/asm/percpu.h:478:35: note: expanded from macro
'this_cpu_add_8'
#define this_cpu_add_8(pcp, val) percpu_add_op((pcp), val)
^~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/percpu.h:130:31: note: expanded from macro
'percpu_add_op'
((val) == 1 || (val) == -1)) ? \
~~~ ^ ~~
In file included from drivers/watchdog/i6300esb.c:39:
In file included from include/linux/pci.h:32:
In file included from include/linux/resource_ext.h:19:
In file included from include/linux/slab.h:113:
In file included from include/linux/kasan.h:4:
In file included from include/linux/sched.h:62:
In file included from include/linux/cgroup-defs.h:16:
include/linux/percpu-refcount.h:276:3: warning: comparison of integers of different
signs: 'unsigned long' and 'int' [-Wsign-compare]
this_cpu_sub(*percpu_count, nr);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/percpu-defs.h:536:33: note: expanded from macro 'this_cpu_sub'
#define this_cpu_sub(pcp, val) this_cpu_add(pcp, -(typeof(pcp))(val))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/percpu-defs.h:526:33: note: expanded from macro 'this_cpu_add'
#define this_cpu_add(pcp, val) __pcpu_size_call(this_cpu_add_, pcp, val)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/percpu-defs.h:397:11: note: expanded from macro
'__pcpu_size_call'
case 8: stem##8(variable, __VA_ARGS__);break; \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<scratch space>:246:1: note: expanded from here
this_cpu_add_8
^
arch/x86/include/asm/percpu.h:478:35: note: expanded from macro
'this_cpu_add_8'
#define this_cpu_add_8(pcp, val) percpu_add_op((pcp), val)
^~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/percpu.h:130:31: note: expanded from macro
'percpu_add_op'
((val) == 1 || (val) == -1)) ? \
~~~ ^ ~~
In file included from drivers/watchdog/i6300esb.c:41:
In file included from include/linux/uaccess.h:8:
arch/x86/include/asm/uaccess.h:754:26: warning: comparison of integers of different
signs: 'int' and 'unsigned long' [-Wsign-compare]
if (likely(sz < 0 || sz >= n)) {
~~ ^ ~
include/linux/compiler.h:150:73: note: expanded from macro 'likely'
# define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1))
^
include/linux/compiler.h:139:29: note: expanded from macro '__branch_check__'
______r = likely_notrace(x); \
^
include/linux/compiler.h:126:47: note: expanded from macro 'likely_notrace'
#define likely_notrace(x) __builtin_expect(!!(x), 1)
^
In file included from drivers/watchdog/i6300esb.c:41:
In file included from include/linux/uaccess.h:8:
arch/x86/include/asm/uaccess.h:754:26: warning: comparison of integers of different
signs: 'int' and 'unsigned long' [-Wsign-compare]
if (likely(sz < 0 || sz >= n)) {
~~ ^ ~
include/linux/compiler.h:150:43: note: expanded from macro 'likely'
# define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1))
^
In file included from drivers/watchdog/i6300esb.c:41:
In file included from include/linux/uaccess.h:8:
arch/x86/include/asm/uaccess.h:754:26: warning: comparison of integers of different
signs: 'int' and 'unsigned long' [-Wsign-compare]
if (likely(sz < 0 || sz >= n)) {
~~ ^ ~
include/linux/compiler.h:150:51: note: expanded from macro 'likely'
# define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1))
^
In file included from drivers/watchdog/i6300esb.c:41:
In file included from include/linux/uaccess.h:8:
arch/x86/include/asm/uaccess.h:773:26: warning: comparison of integers of different
signs: 'int' and 'unsigned long' [-Wsign-compare]
if (likely(sz < 0 || sz >= n)) {
~~ ^ ~
include/linux/compiler.h:150:73: note: expanded from macro 'likely'
# define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1))
^
include/linux/compiler.h:139:29: note: expanded from macro '__branch_check__'
______r = likely_notrace(x); \
^
include/linux/compiler.h:126:47: note: expanded from macro 'likely_notrace'
#define likely_notrace(x) __builtin_expect(!!(x), 1)
^
In file included from drivers/watchdog/i6300esb.c:41:
In file included from include/linux/uaccess.h:8:
arch/x86/include/asm/uaccess.h:773:26: warning: comparison of integers of different
signs: 'int' and 'unsigned long' [-Wsign-compare]
if (likely(sz < 0 || sz >= n)) {
~~ ^ ~
include/linux/compiler.h:150:43: note: expanded from macro 'likely'
# define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1))
^
In file included from drivers/watchdog/i6300esb.c:41:
In file included from include/linux/uaccess.h:8:
arch/x86/include/asm/uaccess.h:773:26: warning: comparison of integers of different
signs: 'int' and 'unsigned long' [-Wsign-compare]
if (likely(sz < 0 || sz >= n)) {
~~ ^ ~
include/linux/compiler.h:150:51: note: expanded from macro 'likely'
# define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1))
^
8 warnings generated.
/tmp/i6300esb-633821.s: Assembler messages:
> /tmp/i6300esb-633821.s:803: Warning: no instruction mnemonic
suffix given and no register operands; using default for `bts'
--
off == frag->page_offset + skb_frag_size(frag);
~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/skbuff.h:2933:51: warning: comparison of integers of different signs:
'size_t' (aka 'unsigned long') and 'int' [-Wsign-compare]
return copy_from_iter(data, len, &msg->msg_iter) == len ? 0 : -EFAULT;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~
include/linux/skbuff.h:2938:49: warning: comparison of integers of different signs:
'size_t' (aka 'unsigned long') and 'int' [-Wsign-compare]
return copy_to_iter(data, len, &msg->msg_iter) == len ? 0 : -EFAULT;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~
In file included from drivers/net/ethernet/nvidia/forcedeth.c:51:
In file included from include/linux/netdevice.h:43:
In file included from include/net/net_namespace.h:17:
In file included from include/net/netns/ipv4.h:9:
In file included from include/net/inet_frag.h:4:
include/linux/rhashtable.h:264:34: warning: comparison of integers of different signs:
'int' and 'unsigned int' [-Wsign-compare]
return atomic_read(&ht->nelems) > (tbl->size / 4 * 3) &&
~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
include/linux/rhashtable.h:277:34: warning: comparison of integers of different signs:
'int' and 'unsigned int' [-Wsign-compare]
return atomic_read(&ht->nelems) < (tbl->size * 3 / 10) &&
~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~
include/linux/rhashtable.h:289:34: warning: comparison of integers of different signs:
'int' and 'const unsigned int' [-Wsign-compare]
return atomic_read(&ht->nelems) > tbl->size &&
~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~
include/linux/rhashtable.h:302:34: warning: comparison of integers of different signs:
'int' and 'const unsigned int' [-Wsign-compare]
atomic_read(&ht->nelems) >= ht->p.insecure_max_entries;
~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/net/ethernet/nvidia/forcedeth.c:51:
include/linux/netdevice.h:2413:34: warning: comparison of integers of different signs:
'int' and 'unsigned int' [-Wsign-compare]
skb_checksum_start_offset(skb) <
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^
include/linux/netdevice.h:3051:15: warning: comparison of integers of different signs:
'int' and 'unsigned int' [-Wsign-compare]
BUG_ON(index >= dev->num_rx_queues);
~~~~~ ^ ~~~~~~~~~~~~~~~~~~
include/asm-generic/bug.h:58:45: note: expanded from macro 'BUG_ON'
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
^~~~~~~~~
include/linux/compiler.h:153:75: note: expanded from macro 'unlikely'
# define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0))
^
include/linux/compiler.h:139:29: note: expanded from macro '__branch_check__'
______r = likely_notrace(x); \
^
include/linux/compiler.h:126:47: note: expanded from macro 'likely_notrace'
#define likely_notrace(x) __builtin_expect(!!(x), 1)
^
In file included from drivers/net/ethernet/nvidia/forcedeth.c:51:
include/linux/netdevice.h:3051:15: warning: comparison of integers of different signs:
'int' and 'unsigned int' [-Wsign-compare]
BUG_ON(index >= dev->num_rx_queues);
~~~~~ ^ ~~~~~~~~~~~~~~~~~~
include/asm-generic/bug.h:58:45: note: expanded from macro 'BUG_ON'
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
^~~~~~~~~
include/linux/compiler.h:153:45: note: expanded from macro 'unlikely'
# define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0))
^
In file included from drivers/net/ethernet/nvidia/forcedeth.c:51:
include/linux/netdevice.h:3051:15: warning: comparison of integers of different signs:
'int' and 'unsigned int' [-Wsign-compare]
BUG_ON(index >= dev->num_rx_queues);
~~~~~ ^ ~~~~~~~~~~~~~~~~~~
include/asm-generic/bug.h:58:45: note: expanded from macro 'BUG_ON'
#define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
^~~~~~~~~
include/linux/compiler.h:153:53: note: expanded from macro 'unlikely'
# define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0))
^
In file included from drivers/net/ethernet/nvidia/forcedeth.c:51:
include/linux/netdevice.h:3325:37: warning: comparison of integers of different signs:
'int' and 'unsigned long' [-Wsign-compare]
if (debug_value < 0 || debug_value >= (sizeof(u32) * 8))
~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~
drivers/net/ethernet/nvidia/forcedeth.c:1216:16: warning: comparison of integers of
different signs: 'int' and 'unsigned long' [-Wsign-compare]
for (i = 0; i < ARRAY_SIZE(ri); i++) {
~ ^ ~~~~~~~~~~~~~~
drivers/net/ethernet/nvidia/forcedeth.c:2009:16: warning: comparison of integers of
different signs: 'unsigned int' and 'int' [-Wsign-compare]
for (i = 0; i < np->tx_ring_size; i++) {
~ ^ ~~~~~~~~~~~~~~~~
drivers/net/ethernet/nvidia/forcedeth.c:2673:17: warning: comparison of integers of
different signs: 'int' and 'u32' (aka 'unsigned int')
[-Wsign-compare]
for (i = 0; i <= np->register_size; i += 32) {
~ ^ ~~~~~~~~~~~~~~~~~
drivers/net/ethernet/nvidia/forcedeth.c:3011:30: warning: comparison of integers of
different signs: 'int' and 'unsigned int' [-Wsign-compare]
if (new_mtu < 64 || new_mtu > np->pkt_limit)
~~~~~~~ ^ ~~~~~~~~~~~~~
drivers/net/ethernet/nvidia/forcedeth.c:3401:44: warning: comparison of integers of
different signs: 'u32' (aka 'unsigned int') and 'int'
[-Wsign-compare]
if (np->duplex == newdup && np->linkspeed == newls)
~~~~~~~~~~~~~ ^ ~~~~~
drivers/net/ethernet/nvidia/forcedeth.c:3947:17: warning: comparison of integers of
different signs: 'int' and 'unsigned int' [-Wsign-compare]
for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK);
i++)
~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/nvidia/forcedeth.c:4060:17: warning: comparison of integers of
different signs: 'int' and 'unsigned int' [-Wsign-compare]
for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK);
i++)
~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/nvidia/forcedeth.c:4511:16: warning: comparison of integers of
different signs: 'int' and 'unsigned long' [-Wsign-compare]
for (i = 0; i < np->register_size/sizeof(u32); i++)
~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/nvidia/forcedeth.c:6116:16: warning: comparison of integers of
different signs: 'int' and 'unsigned long' [-Wsign-compare]
for (i = 0; i <= np->register_size/sizeof(u32); i++)
~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/nvidia/forcedeth.c:6131:16: warning: comparison of integers of
different signs: 'int' and 'unsigned long' [-Wsign-compare]
for (i = 0; i <= np->register_size/sizeof(u32); i++)
~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
32 warnings generated.
/tmp/forcedeth-102397.s: Assembler messages:
> /tmp/forcedeth-102397.s:2441: Warning: no instruction mnemonic
suffix given and no register operands; using default for `bts'
/tmp/forcedeth-102397.s:3088: Warning: no instruction mnemonic suffix given and no
register operands; using default for `bts'
/tmp/forcedeth-102397.s:3119: Warning: no instruction mnemonic suffix given and no
register operands; using default for `bts'
/tmp/forcedeth-102397.s:9212: Warning: no instruction mnemonic suffix given and no
register operands; using default for `bts'
/tmp/forcedeth-102397.s:9309: Warning: no instruction mnemonic suffix given and no
register operands; using default for `bts'
> /tmp/forcedeth-102397.s:11282: Warning: no instruction mnemonic
suffix given and no register operands; using default for `btr'
/tmp/forcedeth-102397.s:18260: Warning: no instruction mnemonic suffix given and no
register operands; using default for `btr'
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org