AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/drivers/dma
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Jiang Liu 3532e5660f drivers/dma/ioat/dma.c: check DMA mapping error in ioat_dma_self_test() 
Check DMA mapping return values in function ioat_dma_self_test() to get
rid of following warning message.

  ------------[ cut here ]------------
  WARNING: CPU: 0 PID: 1203 at lib/dma-debug.c:937 check_unmap+0x4c0/0x9a0()
  ioatdma 0000:00:04.0: DMA-API: device driver failed to check map error[device address=0x000000085191b000] [size=2000 bytes] [mapped as single]
  Modules linked in: ioatdma(+) mac_hid wmi acpi_pad lp parport hidd_generic usbhid hid ixgbe isci dca libsas ahci ptp libahci scsi_transport_sas meegaraid_sas pps_core mdio
  CPU: 0 PID: 1203 Comm: systemd-udevd Not tainted 3.13.0-rc4+ #8
  Hardware name: Intel Corporation BRICKLAND/BRICKLAND, BIOS BRIVTIIN1.86B.0044.L09.1311181644 11/18/2013
  Call Trace:
    dump_stack+0x4d/0x66
    warn_slowpath_common+0x7d/0xa0
    warn_slowpath_fmt+0x4c/0x50
    check_unmap+0x4c0/0x9a0
    debug_dma_unmap_page+0x81/0x90
    ioat_dma_self_test+0x3d2/0x680 [ioatdma]
    ioat3_dma_self_test+0x12/0x30 [ioatdma]
    ioat_probe+0xf4/0x110 [ioatdma]
    ioat3_dma_probe+0x268/0x410 [ioatdma]
    ioat_pci_probe+0x122/0x1b0 [ioatdma]
    local_pci_probe+0x45/0xa0
    pci_device_probe+0xd9/0x130
    driver_probe_device+0x171/0x490
    __driver_attach+0x93/0xa0
    bus_for_each_dev+0x6b/0xb0
    driver_attach+0x1e/0x20
    bus_add_driver+0x1f8/0x2b0
    driver_register+0x81/0x110
    __pci_register_driver+0x60/0x70
    ioat_init_module+0x89/0x1000 [ioatdma]
    do_one_initcall+0xe2/0x250
    load_module+0x2313/0x2a00
    SyS_init_module+0xd9/0x130
    system_call_fastpath+0x1a/0x1f
  ---[ end trace 990c591681d27c31 ]---
  Mapped at:
    debug_dma_map_page+0xbe/0x180
    ioat_dma_self_test+0x1ab/0x680 [ioatdma]
    ioat3_dma_self_test+0x12/0x30 [ioatdma]
    ioat_probe+0xf4/0x110 [ioatdma]
    ioat3_dma_probe+0x268/0x410 [ioatdma]

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-01-02 14:40:30 -08:00
..
bestcomm drivers: clean-up prom.h implicit includes 2013-10-09 20:04:04 -05:00
dw Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2013-11-20 13:20:24 -08:00
ioat drivers/dma/ioat/dma.c: check DMA mapping error in ioat_dma_self_test() 2014-01-02 14:40:30 -08:00
ipu dmaengine: ipu: fix warnings from 64-bit dma_addr_t printouts 2013-11-13 14:10:48 +05:30
ppc4xx dma: fix build warnings in ppc4xx 2013-12-12 22:43:41 -08:00
sh rcar-hpbdma: initialise plane information when halted 2013-11-28 13:46:00 +05:30
acpi-dma.c acpi-dma: remove ugly conversion 2013-08-25 16:43:45 +05:30
amba-pl08x.c Fix pl08x warnings 2013-12-04 11:22:05 +05:30
at_hdmac_regs.h dmaengine: at_hdmac: remove unused function 2013-12-12 22:43:41 -08:00
at_hdmac.c Merge commit 'dmaengine-3.13-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine 2013-11-16 12:02:36 +05:30
coh901318_lli.c Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2013-02-26 09:24:48 -08:00
coh901318.c dmaengine: coh901318: use DMA_COMPLETE for dma completion status 2013-10-25 11:15:56 +05:30
coh901318.h dma: coh901318: merge header files 2013-01-07 17:36:37 +01:00
cppi41.c dma: cppi41: return code > 0 of pm_runtime_get_sync() is not an error 2013-11-12 14:28:25 +05:30
dma-jz4740.c dmaengine: jz4740: use DMA_COMPLETE for dma completion status 2013-10-25 11:15:58 +05:30
dmaengine.c dmaengine: fix sleep in atomic 2013-12-13 00:57:03 -08:00
dmaengine.h dmaengine: consolidate initialization of cookies 2012-03-13 11:37:22 +05:30
dmatest.c dmatest: fix build warning on mips 2013-12-12 22:43:41 -08:00
edma.c Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2013-11-20 13:20:24 -08:00
ep93xx_dma.c dmaengine: remove DMA unmap from drivers 2013-11-14 11:04:38 -08:00
fsldma.c dma: fix fsldma build warnings 2013-12-12 22:43:41 -08:00
fsldma.h DMA: Freescale: update driver to support 8-channel DMA engine 2013-11-13 14:26:27 +05:30
imx-dma.c Merge branch 'for-linus' into next 2013-10-31 22:36:13 +05:30
imx-sdma.c Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2013-11-20 13:20:24 -08:00
intel_mid_dma_regs.h dma: fix comments 2012-09-01 08:57:12 -07:00
intel_mid_dma.c dmaengine: intel_mid_dma: use DMA_COMPLETE for dma completion status 2013-10-25 11:16:04 +05:30
iop-adma.c Merge commit 'dmaengine-3.13-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine 2013-11-16 12:02:36 +05:30
iovlock.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
k3dma.c dmaengine: k3dma: use DMA_COMPLETE for dma completion status 2013-10-25 11:16:07 +05:30
Kconfig net_dma: mark broken 2013-12-18 12:53:43 -08:00
Makefile dmaengine: add driver for Samsung s3c24xx SoCs 2013-10-08 06:42:10 +09:00
mmp_pdma.c dma: mmp_pdma: add missing platform_set_drvdata() in mmp_pdma_probe() 2013-11-28 13:39:11 +05:30
mmp_tdma.c Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2013-11-20 13:20:24 -08:00
mpc512x_dma.c drivers: clean-up prom.h implicit includes 2013-10-09 20:04:04 -05:00
mv_xor.c dmaengine: mv_xor: fix oops when channels fail to initialise 2013-12-12 22:48:53 -08:00
mv_xor.h dma: mv_xor: Fix mis-usage of mmio 'base' and 'high_base' registers 2013-11-14 11:04:42 -08:00
mxs-dma.c dma: mxs-dma: Use semaphores for cyclic DMA 2013-11-13 15:38:31 +05:30
of-dma.c dma: of: make error message more meaningful by adding the node name 2013-08-19 14:45:05 +05:30
omap-dma.c dmaengine: omap: use DMA_COMPLETE for dma completion status 2013-10-25 11:16:11 +05:30
pch_dma.c pch_dma: Add MODULE_DEVICE_TABLE 2013-09-02 11:59:58 +05:30
pl330.c dma: pl330: ensure DMA descriptors are zero-initialised 2013-12-18 10:08:56 -08:00
s3c24xx-dma.c dma: fix build breakage in s3c24xx-dma 2013-12-04 11:24:30 +05:30
sa11x0-dma.c dmaengine: sa11x0: use DMA_COMPLETE for dma completion status 2013-10-25 11:16:13 +05:30
sirf-dma.c dmaengine: sirf: add PM entries for sleep and runtime 2013-08-13 17:01:01 +05:30
ste_dma40_ll.c dmaengine: ste_dma40_ll: Replace meaningless register set with comment 2013-06-04 11:12:10 +02:00
ste_dma40_ll.h dmaengine: ste_dma40: Remove unnecessary call to d40_phy_cfg() 2013-05-23 21:13:19 +02:00
ste_dma40.c dmaengine: ste: use DMA_COMPLETE for dma completion status 2013-10-25 11:16:15 +05:30
tegra20-apb-dma.c dmaengine: tegra: use DMA_COMPLETE for dma completion status 2013-10-25 11:16:16 +05:30
timb_dma.c dmaengine: remove DMA unmap from drivers 2013-11-14 11:04:38 -08:00
TODO dmaengine: remove ste_dma40 from issue_pending TODO 2011-07-14 04:02:08 +05:30
txx9dmac.c dma: fix build warnings in txx9 2013-12-12 22:43:41 -08:00
txx9dmac.h dmaengine: move last completed cookie into generic dma_chan structure 2012-03-13 11:36:06 +05:30
virt-dma.c dmaengine: virt-dma: add support for cyclic DMA periodic callbacks 2012-07-01 14:15:23 +01:00
virt-dma.h dmaengine: virt-dma: add support for cyclic DMA periodic callbacks 2012-07-01 14:15:23 +01:00