arch/mips/sgi-ip27/ip27-hubio.c:30:15: warning: no previous prototype for 'hub_pio_map'
Hi Thomas,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 29c395c77a9a514c5857c45ceae2665e9bd99ac7
commit: b78e9d63a3b6307b6b786e6ba189d3978b60ceb5 MIPS: SGI-IP27: use
asm/sn/agent.h for including HUB related stuff
date: 1 year, 2 months ago
config: mips-randconfig-r003-20210225 (attached as .config)
compiler: mips64-linux-gcc (GCC) 9.3.0
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/torvalds/linux.git/commit/?id=b78e9d63a3b6307b6b786e6ba189d3978b60ceb5
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout b78e9d63a3b6307b6b786e6ba189d3978b60ceb5
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross
ARCH=mips
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
All warnings (new ones prefixed by >>):
>> arch/mips/sgi-ip27/ip27-hubio.c:30:15: warning: no previous prototype for
>> 'hub_pio_map' [-Wmissing-prototypes]
30 | unsigned long hub_pio_map(nasid_t nasid, xwidgetnum_t widget,
| ^~~
>> arch/mips/sgi-ip27/ip27-hubio.c:175:6: warning: no previous prototype for
>> 'hub_pio_init' [-Wmissing-prototypes]
175 | void hub_pio_init(nasid_t nasid)
| ^~~~
vim +/hub_pio_map +30 arch/mips/sgi-ip27/ip27-hubio.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 20
^1da177e4c3f41 Linus Torvalds 2005-04-16 21 /**
^1da177e4c3f41 Linus Torvalds 2005-04-16 22 * hub_pio_map -
establish a HUB PIO mapping
^1da177e4c3f41 Linus Torvalds 2005-04-16 23 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 24 * @hub:hub to perform
PIO mapping on
^1da177e4c3f41 Linus Torvalds 2005-04-16 25 * @widget: widget ID to
perform PIO mapping for
^1da177e4c3f41 Linus Torvalds 2005-04-16 26 * @xtalk_addr:
xtalk_address that needs to be mapped
^1da177e4c3f41 Linus Torvalds 2005-04-16 27 * @size: size of the PIO
mapping
^1da177e4c3f41 Linus Torvalds 2005-04-16 28 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 29 **/
4bf841ebf17aaa Thomas Bogendoerfer 2019-10-03 @30 unsigned long
hub_pio_map(nasid_t nasid, xwidgetnum_t widget,
^1da177e4c3f41 Linus Torvalds 2005-04-16 31
unsigned long xtalk_addr, size_t size)
^1da177e4c3f41 Linus Torvalds 2005-04-16 32 {
^1da177e4c3f41 Linus Torvalds 2005-04-16 33 unsigned i;
^1da177e4c3f41 Linus Torvalds 2005-04-16 34
^1da177e4c3f41 Linus Torvalds 2005-04-16 35 /* use small-window
mapping if possible */
^1da177e4c3f41 Linus Torvalds 2005-04-16 36 if ((xtalk_addr %
SWIN_SIZE) + size <= SWIN_SIZE)
^1da177e4c3f41 Linus Torvalds 2005-04-16 37 return
NODE_SWIN_BASE(nasid, widget) + (xtalk_addr % SWIN_SIZE);
^1da177e4c3f41 Linus Torvalds 2005-04-16 38
^1da177e4c3f41 Linus Torvalds 2005-04-16 39 if ((xtalk_addr %
BWIN_SIZE) + size > BWIN_SIZE) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 40
printk(KERN_WARNING "PIO mapping at hub %d widget %d addr 0x%lx"
^1da177e4c3f41 Linus Torvalds 2005-04-16 41
" too big (%ld)\n",
^1da177e4c3f41 Linus Torvalds 2005-04-16 42
nasid, widget, xtalk_addr, size);
^1da177e4c3f41 Linus Torvalds 2005-04-16 43 return 0;
^1da177e4c3f41 Linus Torvalds 2005-04-16 44 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 45
^1da177e4c3f41 Linus Torvalds 2005-04-16 46 xtalk_addr &=
~(BWIN_SIZE-1);
^1da177e4c3f41 Linus Torvalds 2005-04-16 47 for (i = 0; i <
HUB_NUM_BIG_WINDOW; i++) {
4bf841ebf17aaa Thomas Bogendoerfer 2019-10-03 48 if
(test_and_set_bit(i, hub_data(nasid)->h_bigwin_used))
^1da177e4c3f41 Linus Torvalds 2005-04-16 49
continue;
^1da177e4c3f41 Linus Torvalds 2005-04-16 50
^1da177e4c3f41 Linus Torvalds 2005-04-16 51 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 52 * The code
below does a PIO write to setup an ITTE entry.
^1da177e4c3f41 Linus Torvalds 2005-04-16 53 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 54 * We need to
prevent other CPUs from seeing our updated
^1da177e4c3f41 Linus Torvalds 2005-04-16 55 * memory
shadow of the ITTE (in the piomap) until the ITTE
^1da177e4c3f41 Linus Torvalds 2005-04-16 56 * entry is
actually
arch/mips/sgi-ip27/ip27-hubio.c:30:15: warning: no previous prototype for 'hub_pio_map'
Hi Thomas,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 1e2a199f6ccdc15cf111d68d212e2fd4ce65682e
commit: b78e9d63a3b6307b6b786e6ba189d3978b60ceb5 MIPS: SGI-IP27: use
asm/sn/agent.h for including HUB related stuff
date: 1 year ago
config: mips-randconfig-r022-20210119 (attached as .config)
compiler: mips64-linux-gcc (GCC) 9.3.0
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/torvalds/linux.git/commit/?id=b78e9d63a3b6307b6b786e6ba189d3978b60ceb5
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout b78e9d63a3b6307b6b786e6ba189d3978b60ceb5
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross
ARCH=mips
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
All warnings (new ones prefixed by >>):
>> arch/mips/sgi-ip27/ip27-hubio.c:30:15: warning: no previous prototype for
>> 'hub_pio_map' [-Wmissing-prototypes]
30 | unsigned long hub_pio_map(nasid_t nasid, xwidgetnum_t widget,
| ^~~
>> arch/mips/sgi-ip27/ip27-hubio.c:175:6: warning: no previous prototype for
>> 'hub_pio_init' [-Wmissing-prototypes]
175 | void hub_pio_init(nasid_t nasid)
| ^~~~
vim +/hub_pio_map +30 arch/mips/sgi-ip27/ip27-hubio.c
^1da177e4c3f4152 Linus Torvalds 2005-04-16 20
^1da177e4c3f4152 Linus Torvalds 2005-04-16 21 /**
^1da177e4c3f4152 Linus Torvalds 2005-04-16 22 * hub_pio_map-
establish a HUB PIO mapping
^1da177e4c3f4152 Linus Torvalds 2005-04-16 23 *
^1da177e4c3f4152 Linus Torvalds 2005-04-16 24 * @hub: hub to perform
PIO mapping on
^1da177e4c3f4152 Linus Torvalds 2005-04-16 25 * @widget: widget
ID to perform PIO mapping for
^1da177e4c3f4152 Linus Torvalds 2005-04-16 26 * @xtalk_addr:
xtalk_address that needs to be mapped
^1da177e4c3f4152 Linus Torvalds 2005-04-16 27 * @size: size of the PIO
mapping
^1da177e4c3f4152 Linus Torvalds 2005-04-16 28 *
^1da177e4c3f4152 Linus Torvalds 2005-04-16 29 **/
4bf841ebf17aaa0f Thomas Bogendoerfer 2019-10-03 @30 unsigned long
hub_pio_map(nasid_t nasid, xwidgetnum_t widget,
^1da177e4c3f4152 Linus Torvalds 2005-04-16 31
unsigned long xtalk_addr, size_t size)
^1da177e4c3f4152 Linus Torvalds 2005-04-16 32 {
^1da177e4c3f4152 Linus Torvalds 2005-04-16 33unsigned i;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 34
^1da177e4c3f4152 Linus Torvalds 2005-04-16 35/* use small-window
mapping if possible */
^1da177e4c3f4152 Linus Torvalds 2005-04-16 36if ((xtalk_addr %
SWIN_SIZE) + size <= SWIN_SIZE)
^1da177e4c3f4152 Linus Torvalds 2005-04-16 37return
NODE_SWIN_BASE(nasid, widget) + (xtalk_addr % SWIN_SIZE);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 38
^1da177e4c3f4152 Linus Torvalds 2005-04-16 39if ((xtalk_addr %
BWIN_SIZE) + size > BWIN_SIZE) {
^1da177e4c3f4152 Linus Torvalds 2005-04-16 40
printk(KERN_WARNING "PIO mapping at hub %d widget %d addr 0x%lx"
^1da177e4c3f4152 Linus Torvalds 2005-04-16 41
" too big (%ld)\n",
^1da177e4c3f4152 Linus Torvalds 2005-04-16 42
nasid, widget, xtalk_addr, size);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 43return 0;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 44}
^1da177e4c3f4152 Linus Torvalds 2005-04-16 45
^1da177e4c3f4152 Linus Torvalds 2005-04-16 46xtalk_addr &=
~(BWIN_SIZE-1);
^1da177e4c3f4152 Linus Torvalds 2005-04-16 47for (i = 0; i <
HUB_NUM_BIG_WINDOW; i++) {
4bf841ebf17aaa0f Thomas Bogendoerfer 2019-10-03 48if
(test_and_set_bit(i, hub_data(nasid)->h_bigwin_used))
^1da177e4c3f4152 Linus Torvalds 2005-04-16 49
continue;
^1da177e4c3f4152 Linus Torvalds 2005-04-16 50
^1da177e4c3f4152 Linus Torvalds 2005-04-16 51/*
^1da177e4c3f4152 Linus Torvalds 2005-04-16 52 * The code
below does a PIO write to setup an ITTE entry.
^1da177e4c3f4152 Linus Torvalds 2005-04-16 53 *
^1da177e4c3f4152 Linus Torvalds 2005-04-16 54 * We need to
prevent other CPUs from seeing our updated
^1da177e4c3f4152 Linus Torvalds 2005-04-16 55 * memory
shadow of the ITTE (in the piomap) until the ITTE
^1da177e4c3f4152 Linus Torvalds 2005-04-16 56
arch/mips/sgi-ip27/ip27-hubio.c:30:15: warning: no previous prototype for 'hub_pio_map'
Hi Thomas,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: a68a0262abdaa251e12c53715f48e698a18ef402
commit: b78e9d63a3b6307b6b786e6ba189d3978b60ceb5 MIPS: SGI-IP27: use
asm/sn/agent.h for including HUB related stuff
date: 11 months ago
config: mips-randconfig-r031-20201209 (attached as .config)
compiler: mips64-linux-gcc (GCC) 9.3.0
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/torvalds/linux.git/commit/?id=b78e9d63a3b6307b6b786e6ba189d3978b60ceb5
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout b78e9d63a3b6307b6b786e6ba189d3978b60ceb5
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross
ARCH=mips
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
All warnings (new ones prefixed by >>):
>> arch/mips/sgi-ip27/ip27-hubio.c:30:15: warning: no previous prototype for
>> 'hub_pio_map' [-Wmissing-prototypes]
30 | unsigned long hub_pio_map(nasid_t nasid, xwidgetnum_t widget,
| ^~~
>> arch/mips/sgi-ip27/ip27-hubio.c:175:6: warning: no previous prototype for
>> 'hub_pio_init' [-Wmissing-prototypes]
175 | void hub_pio_init(nasid_t nasid)
| ^~~~
vim +/hub_pio_map +30 arch/mips/sgi-ip27/ip27-hubio.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 20
^1da177e4c3f41 Linus Torvalds 2005-04-16 21 /**
^1da177e4c3f41 Linus Torvalds 2005-04-16 22 * hub_pio_map -
establish a HUB PIO mapping
^1da177e4c3f41 Linus Torvalds 2005-04-16 23 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 24 * @hub:hub to perform
PIO mapping on
^1da177e4c3f41 Linus Torvalds 2005-04-16 25 * @widget: widget ID to
perform PIO mapping for
^1da177e4c3f41 Linus Torvalds 2005-04-16 26 * @xtalk_addr:
xtalk_address that needs to be mapped
^1da177e4c3f41 Linus Torvalds 2005-04-16 27 * @size: size of the PIO
mapping
^1da177e4c3f41 Linus Torvalds 2005-04-16 28 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 29 **/
4bf841ebf17aaa Thomas Bogendoerfer 2019-10-03 @30 unsigned long
hub_pio_map(nasid_t nasid, xwidgetnum_t widget,
^1da177e4c3f41 Linus Torvalds 2005-04-16 31
unsigned long xtalk_addr, size_t size)
^1da177e4c3f41 Linus Torvalds 2005-04-16 32 {
^1da177e4c3f41 Linus Torvalds 2005-04-16 33 unsigned i;
^1da177e4c3f41 Linus Torvalds 2005-04-16 34
^1da177e4c3f41 Linus Torvalds 2005-04-16 35 /* use small-window
mapping if possible */
^1da177e4c3f41 Linus Torvalds 2005-04-16 36 if ((xtalk_addr %
SWIN_SIZE) + size <= SWIN_SIZE)
^1da177e4c3f41 Linus Torvalds 2005-04-16 37 return
NODE_SWIN_BASE(nasid, widget) + (xtalk_addr % SWIN_SIZE);
^1da177e4c3f41 Linus Torvalds 2005-04-16 38
^1da177e4c3f41 Linus Torvalds 2005-04-16 39 if ((xtalk_addr %
BWIN_SIZE) + size > BWIN_SIZE) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 40
printk(KERN_WARNING "PIO mapping at hub %d widget %d addr 0x%lx"
^1da177e4c3f41 Linus Torvalds 2005-04-16 41
" too big (%ld)\n",
^1da177e4c3f41 Linus Torvalds 2005-04-16 42
nasid, widget, xtalk_addr, size);
^1da177e4c3f41 Linus Torvalds 2005-04-16 43 return 0;
^1da177e4c3f41 Linus Torvalds 2005-04-16 44 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 45
^1da177e4c3f41 Linus Torvalds 2005-04-16 46 xtalk_addr &=
~(BWIN_SIZE-1);
^1da177e4c3f41 Linus Torvalds 2005-04-16 47 for (i = 0; i <
HUB_NUM_BIG_WINDOW; i++) {
4bf841ebf17aaa Thomas Bogendoerfer 2019-10-03 48 if
(test_and_set_bit(i, hub_data(nasid)->h_bigwin_used))
^1da177e4c3f41 Linus Torvalds 2005-04-16 49
continue;
^1da177e4c3f41 Linus Torvalds 2005-04-16 50
^1da177e4c3f41 Linus Torvalds 2005-04-16 51 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 52 * The code
below does a PIO write to setup an ITTE entry.
^1da177e4c3f41 Linus Torvalds 2005-04-16 53 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 54 * We need to
prevent other CPUs from seeing our updated
^1da177e4c3f41 Linus Torvalds 2005-04-16 55 * memory
shadow of the ITTE (in the piomap) until the ITTE
^1da177e4c3f41 Linus Torvalds 2005-04-16 56 * entry is
actually set up; ot
arch/mips/sgi-ip27/ip27-hubio.c:30:15: warning: no previous prototype for 'hub_pio_map'
Hi Thomas,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5
commit: b78e9d63a3b6307b6b786e6ba189d3978b60ceb5 MIPS: SGI-IP27: use
asm/sn/agent.h for including HUB related stuff
date: 7 months ago
config: mips-randconfig-r023-20200817 (attached as .config)
compiler: mips64-linux-gcc (GCC) 9.3.0
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
git checkout b78e9d63a3b6307b6b786e6ba189d3978b60ceb5
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross
ARCH=mips
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
All warnings (new ones prefixed by >>):
>> arch/mips/sgi-ip27/ip27-hubio.c:30:15: warning: no previous prototype for
>> 'hub_pio_map' [-Wmissing-prototypes]
30 | unsigned long hub_pio_map(nasid_t nasid, xwidgetnum_t widget,
| ^~~
>> arch/mips/sgi-ip27/ip27-hubio.c:175:6: warning: no previous prototype for
>> 'hub_pio_init' [-Wmissing-prototypes]
175 | void hub_pio_init(nasid_t nasid)
| ^~~~
{standard input}: Assembler messages:
{standard input}:130: Error: found '(', expected: ')'
{standard input}:130: Error: found '(', expected: ')'
{standard input}:130: Error: non-constant expression in ".if" statement
{standard input}:130: Error: junk at end of line, first unrecognized
character is `('
{standard input}:155: Error: found '(', expected: ')'
{standard input}:155: Error: found '(', expected: ')'
{standard input}:155: Error: non-constant expression in ".if" statement
{standard input}:155: Error: junk at end of line, first unrecognized
character is `('
{standard input}:641: Error: found '(', expected: ')'
{standard input}:641: Error: found '(', expected: ')'
{standard input}:641: Error: non-constant expression in ".if" statement
{standard input}:641: Error: junk at end of line, first unrecognized
character is `('
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b78e9d63a3b6307b6b786e6ba189d3978b60ceb5
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout b78e9d63a3b6307b6b786e6ba189d3978b60ceb5
vim +/hub_pio_map +30 arch/mips/sgi-ip27/ip27-hubio.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 20
^1da177e4c3f41 Linus Torvalds 2005-04-16 21 /**
^1da177e4c3f41 Linus Torvalds 2005-04-16 22 * hub_pio_map -
establish a HUB PIO mapping
^1da177e4c3f41 Linus Torvalds 2005-04-16 23 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 24 * @hub:hub to perform
PIO mapping on
^1da177e4c3f41 Linus Torvalds 2005-04-16 25 * @widget: widget ID to
perform PIO mapping for
^1da177e4c3f41 Linus Torvalds 2005-04-16 26 * @xtalk_addr:
xtalk_address that needs to be mapped
^1da177e4c3f41 Linus Torvalds 2005-04-16 27 * @size: size of the PIO
mapping
^1da177e4c3f41 Linus Torvalds 2005-04-16 28 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 29 **/
4bf841ebf17aaa Thomas Bogendoerfer 2019-10-03 @30 unsigned long
hub_pio_map(nasid_t nasid, xwidgetnum_t widget,
^1da177e4c3f41 Linus Torvalds 2005-04-16 31
unsigned long xtalk_addr, size_t size)
^1da177e4c3f41 Linus Torvalds 2005-04-16 32 {
^1da177e4c3f41 Linus Torvalds 2005-04-16 33 unsigned i;
^1da177e4c3f41 Linus Torvalds 2005-04-16 34
^1da177e4c3f41 Linus Torvalds 2005-04-16 35 /* use small-window
mapping if possible */
^1da177e4c3f41 Linus Torvalds 2005-04-16 36 if ((xtalk_addr %
SWIN_SIZE) + size <= SWIN_SIZE)
^1da177e4c3f41 Linus Torvalds 2005-04-16 37 return
NODE_SWIN_BASE(nasid, widget) + (xtalk_addr % SWIN_SIZE);
^1da177e4c3f41 Linus Torvalds 2005-04-16 38
^1da177e4c3f41 Linus Torvalds 2005-04-16 39 if ((xtalk_addr %
BWIN_SIZE) + size > BWIN_SIZE) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 40
printk(KERN_WARNING "PIO mapping at hub %d widget %d addr 0x%lx"
^1da177e4c3f41 Linus Torvalds 2005-04-16 41
" too big (%ld)\n",
^1da177e4c3f41 Linus Torvalds 2005-04-16 42
nasid, widget, xtalk_addr, size);
^1da177e4c3f41 Linus Torvalds 2005-04-16 43 return 0;
^1da177e4c3f41 Linus Torvalds 2005-04-16 44 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 45
^1da177e4c3f41 Linus Torvalds 2005-04-16 46 xtalk_addr &=
~(BWIN_SIZE-1);
^1da177e4c3f41 Linus Tor
arch/mips/sgi-ip27/ip27-hubio.c:30:15: warning: no previous prototype for 'hub_pio_map'
Hi Thomas,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 625d3449788f85569096780592549d0340e9c0c7
commit: b78e9d63a3b6307b6b786e6ba189d3978b60ceb5 MIPS: SGI-IP27: use
asm/sn/agent.h for including HUB related stuff
date: 6 months ago
config: mips-randconfig-r021-20200622 (attached as .config)
compiler: mips64-linux-gcc (GCC) 9.3.0
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
git checkout b78e9d63a3b6307b6b786e6ba189d3978b60ceb5
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross
ARCH=mips
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot
All warnings (new ones prefixed by >>, old ones prefixed by <<):
>> arch/mips/sgi-ip27/ip27-hubio.c:30:15: warning: no previous prototype for
>> 'hub_pio_map' [-Wmissing-prototypes]
30 | unsigned long hub_pio_map(nasid_t nasid, xwidgetnum_t widget,
| ^~~
>> arch/mips/sgi-ip27/ip27-hubio.c:175:6: warning: no previous prototype for
>> 'hub_pio_init' [-Wmissing-prototypes]
175 | void hub_pio_init(nasid_t nasid)
| ^~~~
vim +/hub_pio_map +30 arch/mips/sgi-ip27/ip27-hubio.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 20
^1da177e4c3f41 Linus Torvalds 2005-04-16 21 /**
^1da177e4c3f41 Linus Torvalds 2005-04-16 22 * hub_pio_map -
establish a HUB PIO mapping
^1da177e4c3f41 Linus Torvalds 2005-04-16 23 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 24 * @hub:hub to perform
PIO mapping on
^1da177e4c3f41 Linus Torvalds 2005-04-16 25 * @widget: widget ID to
perform PIO mapping for
^1da177e4c3f41 Linus Torvalds 2005-04-16 26 * @xtalk_addr:
xtalk_address that needs to be mapped
^1da177e4c3f41 Linus Torvalds 2005-04-16 27 * @size: size of the PIO
mapping
^1da177e4c3f41 Linus Torvalds 2005-04-16 28 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 29 **/
4bf841ebf17aaa Thomas Bogendoerfer 2019-10-03 @30 unsigned long
hub_pio_map(nasid_t nasid, xwidgetnum_t widget,
^1da177e4c3f41 Linus Torvalds 2005-04-16 31
unsigned long xtalk_addr, size_t size)
^1da177e4c3f41 Linus Torvalds 2005-04-16 32 {
^1da177e4c3f41 Linus Torvalds 2005-04-16 33 unsigned i;
^1da177e4c3f41 Linus Torvalds 2005-04-16 34
^1da177e4c3f41 Linus Torvalds 2005-04-16 35 /* use small-window
mapping if possible */
^1da177e4c3f41 Linus Torvalds 2005-04-16 36 if ((xtalk_addr %
SWIN_SIZE) + size <= SWIN_SIZE)
^1da177e4c3f41 Linus Torvalds 2005-04-16 37 return
NODE_SWIN_BASE(nasid, widget) + (xtalk_addr % SWIN_SIZE);
^1da177e4c3f41 Linus Torvalds 2005-04-16 38
^1da177e4c3f41 Linus Torvalds 2005-04-16 39 if ((xtalk_addr %
BWIN_SIZE) + size > BWIN_SIZE) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 40
printk(KERN_WARNING "PIO mapping at hub %d widget %d addr 0x%lx"
^1da177e4c3f41 Linus Torvalds 2005-04-16 41
" too big (%ld)\n",
^1da177e4c3f41 Linus Torvalds 2005-04-16 42
nasid, widget, xtalk_addr, size);
^1da177e4c3f41 Linus Torvalds 2005-04-16 43 return 0;
^1da177e4c3f41 Linus Torvalds 2005-04-16 44 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 45
^1da177e4c3f41 Linus Torvalds 2005-04-16 46 xtalk_addr &=
~(BWIN_SIZE-1);
^1da177e4c3f41 Linus Torvalds 2005-04-16 47 for (i = 0; i <
HUB_NUM_BIG_WINDOW; i++) {
4bf841ebf17aaa Thomas Bogendoerfer 2019-10-03 48 if
(test_and_set_bit(i, hub_data(nasid)->h_bigwin_used))
^1da177e4c3f41 Linus Torvalds 2005-04-16 49
continue;
^1da177e4c3f41 Linus Torvalds 2005-04-16 50
^1da177e4c3f41 Linus Torvalds 2005-04-16 51 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 52 * The code
below does a PIO write to setup an ITTE entry.
^1da177e4c3f41 Linus Torvalds 2005-04-16 53 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 54 * We need to
prevent other CPUs from seeing our updated
^1da177e4c3f41 Linus Torvalds 2005-04-16 55 * memory
shadow of the ITTE (in the piomap) until the ITTE
^1da177e4c3f41 Linus Torvalds 2005-04-16 56 * entry is
actually set up; otherwise, another CPU might
^1da177e4c3f41 Linus Torvalds 2005-04-16 57 * attempt a
PIO prematurely.
^1da177e4c3f41 Linus Torvalds 2005-04-16 58 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 59 * Also, the
o
arch/mips/sgi-ip27/ip27-hubio.c:30:15: warning: no previous prototype for 'hub_pio_map'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 86852175b016f0c6873dcbc24b93d12b7b246612
commit: b78e9d63a3b6307b6b786e6ba189d3978b60ceb5 MIPS: SGI-IP27: use
asm/sn/agent.h for including HUB related stuff
date: 5 months ago
config: mips-ip27_defconfig (attached as .config)
compiler: mips64-linux-gcc (GCC) 9.3.0
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
git checkout b78e9d63a3b6307b6b786e6ba189d3978b60ceb5
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross
ARCH=mips
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
All warnings (new ones prefixed by >>, old ones prefixed by <<):
>> arch/mips/sgi-ip27/ip27-hubio.c:30:15: warning: no previous prototype for
>> 'hub_pio_map' [-Wmissing-prototypes]
30 | unsigned long hub_pio_map(nasid_t nasid, xwidgetnum_t widget,
| ^~~
>> arch/mips/sgi-ip27/ip27-hubio.c:175:6: warning: no previous prototype for
>> 'hub_pio_init' [-Wmissing-prototypes]
175 | void hub_pio_init(nasid_t nasid)
| ^~~~
vim +/hub_pio_map +30 arch/mips/sgi-ip27/ip27-hubio.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 20
^1da177e4c3f41 Linus Torvalds 2005-04-16 21 /**
^1da177e4c3f41 Linus Torvalds 2005-04-16 22 * hub_pio_map -
establish a HUB PIO mapping
^1da177e4c3f41 Linus Torvalds 2005-04-16 23 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 24 * @hub:hub to perform
PIO mapping on
^1da177e4c3f41 Linus Torvalds 2005-04-16 25 * @widget: widget ID to
perform PIO mapping for
^1da177e4c3f41 Linus Torvalds 2005-04-16 26 * @xtalk_addr:
xtalk_address that needs to be mapped
^1da177e4c3f41 Linus Torvalds 2005-04-16 27 * @size: size of the PIO
mapping
^1da177e4c3f41 Linus Torvalds 2005-04-16 28 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 29 **/
4bf841ebf17aaa Thomas Bogendoerfer 2019-10-03 @30 unsigned long
hub_pio_map(nasid_t nasid, xwidgetnum_t widget,
^1da177e4c3f41 Linus Torvalds 2005-04-16 31
unsigned long xtalk_addr, size_t size)
^1da177e4c3f41 Linus Torvalds 2005-04-16 32 {
^1da177e4c3f41 Linus Torvalds 2005-04-16 33 unsigned i;
^1da177e4c3f41 Linus Torvalds 2005-04-16 34
^1da177e4c3f41 Linus Torvalds 2005-04-16 35 /* use small-window
mapping if possible */
^1da177e4c3f41 Linus Torvalds 2005-04-16 36 if ((xtalk_addr %
SWIN_SIZE) + size <= SWIN_SIZE)
^1da177e4c3f41 Linus Torvalds 2005-04-16 37 return
NODE_SWIN_BASE(nasid, widget) + (xtalk_addr % SWIN_SIZE);
^1da177e4c3f41 Linus Torvalds 2005-04-16 38
^1da177e4c3f41 Linus Torvalds 2005-04-16 39 if ((xtalk_addr %
BWIN_SIZE) + size > BWIN_SIZE) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 40
printk(KERN_WARNING "PIO mapping at hub %d widget %d addr 0x%lx"
^1da177e4c3f41 Linus Torvalds 2005-04-16 41
" too big (%ld)\n",
^1da177e4c3f41 Linus Torvalds 2005-04-16 42
nasid, widget, xtalk_addr, size);
^1da177e4c3f41 Linus Torvalds 2005-04-16 43 return 0;
^1da177e4c3f41 Linus Torvalds 2005-04-16 44 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 45
^1da177e4c3f41 Linus Torvalds 2005-04-16 46 xtalk_addr &=
~(BWIN_SIZE-1);
^1da177e4c3f41 Linus Torvalds 2005-04-16 47 for (i = 0; i <
HUB_NUM_BIG_WINDOW; i++) {
4bf841ebf17aaa Thomas Bogendoerfer 2019-10-03 48 if
(test_and_set_bit(i, hub_data(nasid)->h_bigwin_used))
^1da177e4c3f41 Linus Torvalds 2005-04-16 49
continue;
^1da177e4c3f41 Linus Torvalds 2005-04-16 50
^1da177e4c3f41 Linus Torvalds 2005-04-16 51 /*
^1da177e4c3f41 Linus Torvalds 2005-04-16 52 * The code
below does a PIO write to setup an ITTE entry.
^1da177e4c3f41 Linus Torvalds 2005-04-16 53 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 54 * We need to
prevent other CPUs from seeing our updated
^1da177e4c3f41 Linus Torvalds 2005-04-16 55 * memory
shadow of the ITTE (in the piomap) until the ITTE
^1da177e4c3f41 Linus Torvalds 2005-04-16 56 * entry is
actually set up; otherwise, another CPU might
^1da177e4c3f41 Linus Torvalds 2005-04-16 57 * attempt a
PIO prematurely.
^1da177e4c3f41 Linus Torvalds 2005-04-16 58 *
^1da177e4c3f41 Linus Torvalds 2005-04-16 59 * Also, the
only way we can know that an entry has been
^1da177e4c3f41 L
