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Date: Thu, 13 Jun 2024 17:08:09 +0800
From: kernel test robot <lkp@...el.com>
To: Tomeu Vizoso <tomeu@...euvizoso.net>, Joerg Roedel <joro@...tes.org>,
Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Oded Gabbay <ogabbay@...nel.org>,
Tomeu Vizoso <tomeu.vizoso@...euvizoso.net>,
David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
Philipp Zabel <p.zabel@...gutronix.de>,
Sumit Semwal <sumit.semwal@...aro.org>,
Christian König <christian.koenig@....com>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
iommu@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
linux-media@...r.kernel.org, linaro-mm-sig@...ts.linaro.org
Subject: Re: [PATCH 8/9] accel/rocket: Add job submission IOCTL
Hi Tomeu,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 83a7eefedc9b56fe7bfeff13b6c7356688ffa670]
url: https://github.com/intel-lab-lkp/linux/commits/Tomeu-Vizoso/iommu-rockchip-Add-compatible-for-rockchip-rk3588-iommu/20240612-215814
base: 83a7eefedc9b56fe7bfeff13b6c7356688ffa670
patch link: https://lore.kernel.org/r/20240612-6-10-rocket-v1-8-060e48eea250%40tomeuvizoso.net
patch subject: [PATCH 8/9] accel/rocket: Add job submission IOCTL
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20240613/202406131640.WbBaRMbr-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 4403cdbaf01379de96f8d0d6ea4f51a085e37766)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240613/202406131640.WbBaRMbr-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406131640.WbBaRMbr-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/accel/rocket/rocket_job.c:6:
In file included from include/drm/drm_file.h:39:
In file included from include/drm/drm_prime.h:37:
In file included from include/linux/scatterlist.h:8:
In file included from include/linux/mm.h:2253:
include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from drivers/accel/rocket/rocket_job.c:6:
In file included from include/drm/drm_file.h:39:
In file included from include/drm/drm_prime.h:37:
In file included from include/linux/scatterlist.h:9:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
| ^
In file included from drivers/accel/rocket/rocket_job.c:6:
In file included from include/drm/drm_file.h:39:
In file included from include/drm/drm_prime.h:37:
In file included from include/linux/scatterlist.h:9:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
| ^
In file included from drivers/accel/rocket/rocket_job.c:6:
In file included from include/drm/drm_file.h:39:
In file included from include/drm/drm_prime.h:37:
In file included from include/linux/scatterlist.h:9:
In file included from arch/hexagon/include/asm/io.h:328:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
>> drivers/accel/rocket/rocket_job.c:353:11: warning: variable 'status' set but not used [-Wunused-but-set-variable]
353 | uint32_t status, raw_status;
| ^
>> drivers/accel/rocket/rocket_job.c:353:19: warning: variable 'raw_status' set but not used [-Wunused-but-set-variable]
353 | uint32_t status, raw_status;
| ^
drivers/accel/rocket/rocket_job.c:40:1: warning: unused function 'to_rocket_fence' [-Wunused-function]
40 | to_rocket_fence(struct dma_fence *fence)
| ^~~~~~~~~~~~~~~
10 warnings generated.
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for IOMMU_IO_PGTABLE_LPAE
Depends on [n]: IOMMU_SUPPORT [=y] && (ARM || ARM64 || COMPILE_TEST [=y]) && !GENERIC_ATOMIC64 [=y]
Selected by [m]:
- DRM_ACCEL_ROCKET [=m] && DRM [=m] && (ARM64 || COMPILE_TEST [=y]) && MMU [=y]
vim +/status +353 drivers/accel/rocket/rocket_job.c
350
351 static void rocket_job_handle_irq(struct rocket_core *core)
352 {
> 353 uint32_t status, raw_status;
354
355 pm_runtime_mark_last_busy(core->dev->dev);
356
357 status = rocket_read(core, REG_PC_INTERRUPT_STATUS);
358 raw_status = rocket_read(core, REG_PC_INTERRUPT_RAW_STATUS);
359
360 rocket_write(core, REG_PC_OPERATION_ENABLE, 0x0);
361 rocket_write(core, REG_PC_INTERRUPT_CLEAR, 0x1ffff);
362
363 spin_lock(&core->job_lock);
364
365 if (core->in_flight_job)
366 rocket_job_handle_done(core, core->in_flight_job);
367
368 spin_unlock(&core->job_lock);
369 }
370
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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