From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH v4 06/14] swiotlb: Add restricted DMA pool
Date: Tue, 09 Feb 2021 19:39:22 +0800 [thread overview]
Message-ID: <202102091948.5nfXbRAP-lkp@intel.com> (raw)
In-Reply-To: <20210209062131.2300005-7-tientzu@chromium.org>
[-- Attachment #1: Type: text/plain, Size: 4598 bytes --]
Hi Claire,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v5.11-rc6 next-20210125]
[cannot apply to swiotlb/linux-next robh/for-next xen-tip/linux-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Claire-Chang/Restricted-DMA/20210209-142608
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 61556703b610a104de324e4f061dc6cf7b218b46
config: arm-allyesconfig (attached as .config)
compiler: arm-linux-gnueabi-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://github.com/0day-ci/linux/commit/a766e1949e37b6b82605062e9ef9dd109d2ee940
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Claire-Chang/Restricted-DMA/20210209-142608
git checkout a766e1949e37b6b82605062e9ef9dd109d2ee940
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from include/asm-generic/memory_model.h:5,
from arch/arm/include/asm/memory.h:403,
from arch/arm/include/asm/page.h:160,
from arch/arm/include/asm/thread_info.h:14,
from include/linux/thread_info.h:56,
from include/asm-generic/current.h:5,
from ./arch/arm/include/generated/asm/current.h:1,
from include/linux/sched.h:12,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from include/linux/dma-mapping.h:7,
from include/linux/dma-direct.h:9,
from kernel/dma/swiotlb.c:24:
kernel/dma/swiotlb.c: In function 'rmem_swiotlb_device_init':
>> kernel/dma/swiotlb.c:811:32: error: 'reme' undeclared (first use in this function)
811 | unsigned long pfn = PHYS_PFN(reme->base);
| ^~~~
include/linux/pfn.h:22:39: note: in definition of macro 'PHYS_PFN'
22 | #define PHYS_PFN(x) ((unsigned long)((x) >> PAGE_SHIFT))
| ^
kernel/dma/swiotlb.c:811:32: note: each undeclared identifier is reported only once for each function it appears in
811 | unsigned long pfn = PHYS_PFN(reme->base);
| ^~~~
include/linux/pfn.h:22:39: note: in definition of macro 'PHYS_PFN'
22 | #define PHYS_PFN(x) ((unsigned long)((x) >> PAGE_SHIFT))
| ^
kernel/dma/swiotlb.c:811:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
811 | unsigned long pfn = PHYS_PFN(reme->base);
| ^~~~~~~~
vim +/reme +811 kernel/dma/swiotlb.c
791
792 #ifdef CONFIG_DMA_RESTRICTED_POOL
793 static int rmem_swiotlb_device_init(struct reserved_mem *rmem,
794 struct device *dev)
795 {
796 struct swiotlb *swiotlb = rmem->priv;
797 int ret;
798
799 if (dev->dev_swiotlb)
800 return -EBUSY;
801
802 /* Since multiple devices can share the same pool, the private data,
803 * swiotlb struct, will be initialized by the first device attached
804 * to it.
805 */
806 if (!swiotlb) {
807 swiotlb = kzalloc(sizeof(*swiotlb), GFP_KERNEL);
808 if (!swiotlb)
809 return -ENOMEM;
810 #ifdef CONFIG_ARM
> 811 unsigned long pfn = PHYS_PFN(reme->base);
812
813 if (!PageHighMem(pfn_to_page(pfn))) {
814 ret = -EINVAL;
815 goto cleanup;
816 }
817 #endif /* CONFIG_ARM */
818
819 ret = swiotlb_init_tlb_pool(swiotlb, rmem->base, rmem->size);
820 if (ret)
821 goto cleanup;
822
823 rmem->priv = swiotlb;
824 }
825
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next prev parent reply other threads:[~2021-02-09 11:39 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-09 6:21 [PATCH v4 00/14] Restricted DMA Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` [PATCH v4 01/14] swiotlb: Remove external access to io_tlb_start Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 8:40 ` Christoph Hellwig
2021-02-09 8:40 ` Christoph Hellwig
2021-02-09 11:17 ` kernel test robot
2021-02-09 6:21 ` [PATCH v4 02/14] swiotlb: Move is_swiotlb_buffer() to swiotlb.c Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` [PATCH v4 03/14] swiotlb: Add struct swiotlb Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` [PATCH v4 04/14] swiotlb: Refactor swiotlb_late_init_with_tbl Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` [PATCH v4 05/14] swiotlb: Add DMA_RESTRICTED_POOL Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` [PATCH v4 06/14] swiotlb: Add restricted DMA pool Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 9:39 ` kernel test robot
2021-02-09 9:56 ` kernel test robot
2021-02-09 11:39 ` kernel test robot [this message]
2021-02-09 6:21 ` [PATCH v4 07/14] swiotlb: Update swiotlb API to gain a struct device argument Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` [PATCH v4 08/14] swiotlb: Use restricted DMA pool if available Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` [PATCH v4 09/14] swiotlb: Refactor swiotlb_tbl_{map,unmap}_single Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 9:31 ` [PATCH v4 09/14] swiotlb: Refactor swiotlb_tbl_{map, unmap}_single kernel test robot
2021-02-09 6:21 ` [PATCH v4 10/14] dma-direct: Add a new wrapper __dma_direct_free_pages() Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` [PATCH v4 11/14] swiotlb: Add is_dev_swiotlb_force() Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` [PATCH v4 12/14] swiotlb: Add restricted DMA alloc/free support Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-26 4:17 ` Claire Chang
2021-02-26 4:17 ` Claire Chang
2021-02-26 4:17 ` Claire Chang
2021-02-26 4:17 ` Claire Chang
2021-02-26 5:17 ` Christoph Hellwig
2021-02-26 5:17 ` Christoph Hellwig
2021-02-26 5:17 ` Christoph Hellwig
2021-02-26 9:35 ` Claire Chang
2021-02-26 9:35 ` Claire Chang
2021-02-26 9:35 ` Claire Chang
2021-02-26 9:35 ` Claire Chang
2021-02-09 6:21 ` [PATCH v4 13/14] dt-bindings: of: Add restricted DMA pool Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-03-10 16:07 ` Will Deacon
2021-03-10 16:07 ` Will Deacon
2021-03-10 16:07 ` Will Deacon
2021-03-10 21:40 ` Rob Herring
2021-03-10 21:40 ` Rob Herring
2021-03-10 21:40 ` Rob Herring
2021-03-10 21:40 ` Rob Herring
2021-03-11 5:04 ` Florian Fainelli
2021-03-11 5:04 ` Florian Fainelli
2021-03-11 5:04 ` Florian Fainelli
2021-02-09 6:21 ` [PATCH v4 14/14] of: Add plumbing for " Claire Chang
2021-02-09 6:21 ` Claire Chang
2021-04-22 8:20 ` [PATCH v4 00/14] Restricted DMA Claire Chang
2021-04-22 8:20 ` Claire Chang
2021-04-22 8:20 ` Claire Chang
2021-04-22 8:20 ` Claire Chang
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