Re: [PATCH resend] staging: gasket: remove X86 Kconfig restriction

From: Todd Poynor
Date: Wed Jul 18 2018 - 23:07:24 EST


On Wed, Jul 18, 2018 at 6:18 PM, kbuild test robot <lkp@xxxxxxxxx> wrote:
> Hi Todd,
>
> Thank you for the patch! Yet something to improve:
>
> [auto build test ERROR on staging/staging-testing]
> [also build test ERROR on next-20180718]
> [cannot apply to v4.18-rc5]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
>
> url: https://github.com/0day-ci/linux/commits/Todd-Poynor/staging-gasket-remove-X86-Kconfig-restriction/20180716-031056
> config: xtensa-allmodconfig (attached as .config)
> compiler: xtensa-linux-gcc (GCC) 8.1.0
> reproduce:
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # save the attached .config to linux build tree
> GCC_VERSION=8.1.0 make.cross ARCH=xtensa
>
> All errors (new ones prefixed by >>):
>
> In file included from drivers/staging/gasket/gasket_page_table.h:19,
> from drivers/staging/gasket/gasket_page_table.c:34:
> drivers/staging/gasket/gasket_core.h: In function 'gasket_dev_read_64':
>>> drivers/staging/gasket/gasket_core.h:651:9: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration]

Will respin this patch to explicitly list X86_64 and ARM64 as the only
architectures to build for now, and fixup some of these other issues
soon.



> return readq(&gasket_dev->bar_data[bar].virt_base[location]);
> ^~~~~
> readl
> drivers/staging/gasket/gasket_core.h: In function 'gasket_dev_write_64':
>>> drivers/staging/gasket/gasket_core.h:657:2: error: implicit declaration of function 'writeq'; did you mean 'writel'? [-Werror=implicit-function-declaration]
> writeq(value, &dev->bar_data[bar].virt_base[location]);
> ^~~~~~
> writel
> drivers/staging/gasket/gasket_page_table.c: In function 'gasket_is_extended_dev_addr_bad':
> drivers/staging/gasket/gasket_page_table.c:1373:11: warning: right shift count >= width of type [-Wshift-count-overflow]
> if (addr >> (GASKET_EXTENDED_LVL0_WIDTH + GASKET_EXTENDED_LVL0_SHIFT)) {
> ^~
> drivers/staging/gasket/gasket_page_table.c: In function 'gasket_alloc_coherent_memory':
> drivers/staging/gasket/gasket_page_table.c:1679:4: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
> (u64)mem + j * PAGE_SIZE;
> ^
> cc1: some warnings being treated as errors
> --
> In file included from drivers/staging/gasket/gasket_sysfs.h:21,
> from drivers/staging/gasket/gasket_sysfs.c:3:
> drivers/staging/gasket/gasket_core.h: In function 'gasket_dev_read_64':
>>> drivers/staging/gasket/gasket_core.h:651:9: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration]
> return readq(&gasket_dev->bar_data[bar].virt_base[location]);
> ^~~~~
> readl
> drivers/staging/gasket/gasket_core.h: In function 'gasket_dev_write_64':
>>> drivers/staging/gasket/gasket_core.h:657:2: error: implicit declaration of function 'writeq'; did you mean 'writel'? [-Werror=implicit-function-declaration]
> writeq(value, &dev->bar_data[bar].virt_base[location]);
> ^~~~~~
> writel
> cc1: some warnings being treated as errors
> --
> In file included from drivers/staging/gasket/gasket_ioctl.h:6,
> from drivers/staging/gasket/gasket_ioctl.c:4:
> drivers/staging/gasket/gasket_core.h: In function 'gasket_dev_read_64':
>>> drivers/staging/gasket/gasket_core.h:651:9: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration]
> return readq(&gasket_dev->bar_data[bar].virt_base[location]);
> ^~~~~
> readl
> drivers/staging/gasket/gasket_core.h: In function 'gasket_dev_write_64':
>>> drivers/staging/gasket/gasket_core.h:657:2: error: implicit declaration of function 'writeq'; did you mean 'writel'? [-Werror=implicit-function-declaration]
> writeq(value, &dev->bar_data[bar].virt_base[location]);
> ^~~~~~
> writel
> drivers/staging/gasket/gasket_ioctl.c: In function 'gasket_config_coherent_allocator':
>>> drivers/staging/gasket/gasket_ioctl.c:434:27: error: passing argument 3 of 'gasket_alloc_coherent_memory' from incompatible pointer type [-Werror=incompatible-pointer-types]
> gasket_dev, ibuf.size, &ibuf.dma_address,
> ^~~~~~~~~~~~~~~~~
> In file included from drivers/staging/gasket/gasket_ioctl.c:9:
> drivers/staging/gasket/gasket_page_table.h:227:18: note: expected 'dma_addr_t *' {aka 'unsigned int *'} but argument is of type 'u64 *' {aka 'long long unsigned int *'}
> dma_addr_t *dma_address, uint64_t index);
> ~~~~~~~~~~~~^~~~~~~~~~~
> cc1: some warnings being treated as errors
>
> vim +651 drivers/staging/gasket/gasket_core.h
>
> 9a69f508 Simon Que 2018-06-29 620
> 9a69f508 Simon Que 2018-06-29 621 /*
> 9a69f508 Simon Que 2018-06-29 622 * Memory management functions. These will likely be spun off into their own
> 9a69f508 Simon Que 2018-06-29 623 * file in the future.
> 9a69f508 Simon Que 2018-06-29 624 */
> 9a69f508 Simon Que 2018-06-29 625
> 9a69f508 Simon Que 2018-06-29 626 /* Unmaps the specified mappable region from a VMA. */
> 9a69f508 Simon Que 2018-06-29 627 int gasket_mm_unmap_region(
> 9a69f508 Simon Que 2018-06-29 628 const struct gasket_dev *gasket_dev, struct vm_area_struct *vma,
> 9a69f508 Simon Que 2018-06-29 629 const struct gasket_mappable_region *map_region);
> 9a69f508 Simon Que 2018-06-29 630
> 9a69f508 Simon Que 2018-06-29 631 /*
> 9a69f508 Simon Que 2018-06-29 632 * Get the ioctl permissions callback.
> 9a69f508 Simon Que 2018-06-29 633 * @gasket_dev: Gasket device structure.
> 9a69f508 Simon Que 2018-06-29 634 */
> 9a69f508 Simon Que 2018-06-29 635 gasket_ioctl_permissions_cb_t gasket_get_ioctl_permissions_cb(
> 9a69f508 Simon Que 2018-06-29 636 struct gasket_dev *gasket_dev);
> 9a69f508 Simon Que 2018-06-29 637
> 9a69f508 Simon Que 2018-06-29 638 /**
> 9a69f508 Simon Que 2018-06-29 639 * Lookup a name by number in a num_name table.
> 9a69f508 Simon Que 2018-06-29 640 * @num: Number to lookup.
> 9a69f508 Simon Que 2018-06-29 641 * @table: Array of num_name structures, the table for the lookup.
> 9a69f508 Simon Que 2018-06-29 642 *
> 9a69f508 Simon Que 2018-06-29 643 */
> 9a69f508 Simon Que 2018-06-29 644 const char *gasket_num_name_lookup(
> 9a69f508 Simon Que 2018-06-29 645 uint num, const struct gasket_num_name *table);
> 9a69f508 Simon Que 2018-06-29 646
> 9a69f508 Simon Que 2018-06-29 647 /* Handy inlines */
> 9a69f508 Simon Que 2018-06-29 648 static inline ulong gasket_dev_read_64(
> 9a69f508 Simon Que 2018-06-29 649 struct gasket_dev *gasket_dev, int bar, ulong location)
> 9a69f508 Simon Que 2018-06-29 650 {
> 9a69f508 Simon Que 2018-06-29 @651 return readq(&gasket_dev->bar_data[bar].virt_base[location]);
> 9a69f508 Simon Que 2018-06-29 652 }
> 9a69f508 Simon Que 2018-06-29 653
> 9a69f508 Simon Que 2018-06-29 654 static inline void gasket_dev_write_64(
> 9a69f508 Simon Que 2018-06-29 655 struct gasket_dev *dev, u64 value, int bar, ulong location)
> 9a69f508 Simon Que 2018-06-29 656 {
> 9a69f508 Simon Que 2018-06-29 @657 writeq(value, &dev->bar_data[bar].virt_base[location]);
> 9a69f508 Simon Que 2018-06-29 658 }
> 9a69f508 Simon Que 2018-06-29 659
>
> :::::: The code at line 651 was first introduced by commit
> :::::: 9a69f5087ccc20bb411025decab455836df04168 drivers/staging: Gasket driver framework + Apex driver
>
> :::::: TO: Simon Que <sque@xxxxxxxxxxxx>
> :::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation



--
Todd