# git rev-parse -q --verify cff229491af5df946781edfbeafd43e9cf66a3b4^{commit}
cff229491af5df946781edfbeafd43e9cf66a3b4
already have revision, skipping fetch
# git checkout -q -f -B kisskb cff229491af5df946781edfbeafd43e9cf66a3b4
# git clean -qxdf
# < git log -1
# commit cff229491af5df946781edfbeafd43e9cf66a3b4
# Merge: 13775dacca5c b9fd04262a8a
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Mon Oct 22 18:16:03 2018 +0100
# 
#     Merge tag 'dma-mapping-4.20' of git://git.infradead.org/users/hch/dma-mapping
#     
#     Pull dma mapping updates from Christoph Hellwig:
#      "First batch of dma-mapping changes for 4.20.
#     
#       There will be a second PR as some big changes were only applied just
#       before the end of the merge window, and I want to give them a few more
#       days in linux-next.
#     
#       Summary:
#     
#        - mostly more consolidation of the direct mapping code, including
#          converting over hexagon, and merging the coherent and non-coherent
#          code into a single dma_map_ops instance (me)
#     
#        - cleanups for the dma_configure/dma_unconfigure callchains (me)
#     
#        - better handling of dma_masks in odd setups (me, Alexander Duyck)
#     
#        - better debugging of passing vmalloc address to the DMA API (Stephen
#          Boyd)
#     
#        - CMA command line parsing fix (He Zhe)"
#     
#     * tag 'dma-mapping-4.20' of git://git.infradead.org/users/hch/dma-mapping: (27 commits)
#       dma-direct: respect DMA_ATTR_NO_WARN
#       dma-mapping: translate __GFP_NOFAIL to DMA_ATTR_NO_WARN
#       dma-direct: document the zone selection logic
#       dma-debug: Check for drivers mapping invalid addresses in dma_map_single()
#       dma-direct: fix return value of dma_direct_supported
#       dma-mapping: move dma_default_get_required_mask under ifdef
#       dma-direct: always allow dma mask <= physiscal memory size
#       dma-direct: implement complete bus_dma_mask handling
#       dma-direct: refine dma_direct_alloc zone selection
#       dma-direct: add an explicit dma_direct_get_required_mask
#       dma-mapping: make the get_required_mask method available unconditionally
#       unicore32: remove swiotlb support
#       Revert "dma-mapping: clear dev->dma_ops in arch_teardown_dma_ops"
#       dma-mapping: support non-coherent devices in dma_common_get_sgtable
#       dma-mapping: consolidate the dma mmap implementations
#       dma-mapping: merge direct and noncoherent ops
#       dma-mapping: move the dma_coherent flag to struct device
#       MIPS: don't select DMA_MAYBE_COHERENT from DMA_PERDEV_COHERENT
#       dma-mapping: add the missing ARCH_HAS_SYNC_DMA_FOR_CPU_ALL declaration
#       dma-mapping: fix panic caused by passing empty cma command line argument
#       ...
# < /opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-gcc --version
# < git log --format=%s --max-count=1 cff229491af5df946781edfbeafd43e9cf66a3b4
# < make -s -j 8 ARCH=xtensa O=/kisskb/build/linus_xtensa-allmodconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  allmodconfig
drivers/staging/mt7621-dts/Kconfig:4:warning: 'BUILTIN_DTB' has wrong type. 'select' only accept arguments of bool and tristate type
# Added to kconfig CONFIG_BUILD_DOCSRC=n
# Added to kconfig CONFIG_MODULE_SIG=n
# Added to kconfig CONFIG_SAMPLES=n
# yes \n | make -s -j 8 ARCH=xtensa O=/kisskb/build/linus_xtensa-allmodconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 8 ARCH=xtensa O=/kisskb/build/linus_xtensa-allmodconfig_xtensa CROSS_COMPILE=/opt/cross/kisskb/br-xtensa-full-2016.08-613-ge98b4dd/bin/xtensa-linux-  
drivers/staging/mt7621-dts/Kconfig:4:warning: 'BUILTIN_DTB' has wrong type. 'select' only accept arguments of bool and tristate type
<stdin>:1332:2: warning: #warning syscall io_pgetevents not implemented [-Wcpp]
<stdin>:1335:2: warning: #warning syscall rseq not implemented [-Wcpp]
/kisskb/src/arch/xtensa/kernel/pci.c:45:32: warning: 'pci_ctrl_tail' defined but not used [-Wunused-variable]
 static struct pci_controller **pci_ctrl_tail = &pci_ctrl_head;
                                ^
/kisskb/src/kernel/sched/core.c: In function 'update_rq_clock_task':
/kisskb/src/kernel/sched/core.c:139:6: warning: unused variable 'steal' [-Wunused-variable]
  s64 steal = 0, irq_delta = 0;
      ^
/kisskb/src/lib/test_kasan.c: In function 'use_after_scope_test':
/kisskb/src/lib/test_kasan.c:504:1: warning: the frame size of 1040 bytes is larger than 1024 bytes [-Wframe-larger-than=]
 }
 ^
/kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_unseal_trusted':
/kisskb/src/drivers/char/tpm/tpm2-cmd.c:676:2: warning: 'blob_handle' may be used uninitialized in this function [-Wmaybe-uninitialized]
  tpm2_flush_context_cmd(chip, blob_handle, TPM_TRANSMIT_UNLOCKED);
  ^
In file included from /kisskb/src/arch/xtensa/include/asm/atomic.h:21:0,
                 from /kisskb/src/include/linux/atomic.h:7,
                 from /kisskb/src/include/asm-generic/bitops/atomic.h:5,
                 from /kisskb/src/arch/xtensa/include/asm/bitops.h:222,
                 from /kisskb/src/include/linux/bitops.h:19,
                 from /kisskb/src/include/linux/kernel.h:11,
                 from /kisskb/src/include/linux/list.h:9,
                 from /kisskb/src/include/linux/wait.h:7,
                 from /kisskb/src/include/linux/wait_bit.h:8,
                 from /kisskb/src/include/linux/fs.h:6,
                 from /kisskb/src/fs/ocfs2/file.c:27:
/kisskb/src/fs/ocfs2/file.c: In function 'ocfs2_file_write_iter':
/kisskb/src/arch/xtensa/include/asm/cmpxchg.h:139:3: warning: value computed is not used [-Wunused-value]
  ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
   ^
/kisskb/src/fs/ocfs2/file.c:2386:3: note: in expansion of macro 'xchg'
   xchg(&iocb->ki_complete, saved_ki_complete);
   ^
/kisskb/src/drivers/i2c/i2c-core-base.c: In function 'i2c_generic_scl_recovery':
/kisskb/src/drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized]
  if (ret == -EOPNOTSUPP)
     ^
/kisskb/src/drivers/input/joystick/analog.c:172:2: warning: #warning Precise timer not defined for this architecture. [-Wcpp]
 #warning Precise timer not defined for this architecture.
  ^
/kisskb/src/drivers/net/usb/rtl8150.c:30:0: warning: "RSR" redefined
 #define RSR   0x0133
 ^
In file included from /kisskb/src/arch/xtensa/include/asm/bitops.h:22:0,
                 from /kisskb/src/include/linux/bitops.h:19,
                 from /kisskb/src/include/linux/kernel.h:11,
                 from /kisskb/src/include/asm-generic/bug.h:18,
                 from ./arch/xtensa/include/generated/asm/bug.h:1,
                 from /kisskb/src/include/linux/bug.h:5,
                 from /kisskb/src/include/linux/signal.h:5,
                 from /kisskb/src/drivers/net/usb/rtl8150.c:9:
/kisskb/src/arch/xtensa/include/asm/processor.h:220:0: note: this is the location of the previous definition
 #define RSR(v,sr) __asm__ __volatile__ ("rsr %0,"__stringify(sr) : "=a"(v));
 ^
In file included from /kisskb/src/arch/xtensa/include/asm/atomic.h:21:0,
                 from /kisskb/src/include/linux/atomic.h:7,
                 from /kisskb/src/include/asm-generic/bitops/atomic.h:5,
                 from /kisskb/src/arch/xtensa/include/asm/bitops.h:222,
                 from /kisskb/src/include/linux/bitops.h:19,
                 from /kisskb/src/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c:11:
/kisskb/src/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c: In function 'ixgbevf_xdp_setup':
/kisskb/src/arch/xtensa/include/asm/cmpxchg.h:139:3: warning: value computed is not used [-Wunused-value]
  ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
   ^
/kisskb/src/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c:4430:4: note: in expansion of macro 'xchg'
    xchg(&adapter->rx_ring[i]->xdp_prog, adapter->xdp_prog);
    ^
In file included from /kisskb/src/drivers/scsi/sym53c8xx_2/sym_glue.h:64:0,
                 from /kisskb/src/drivers/scsi/sym53c8xx_2/sym_fw.c:40:
/kisskb/src/drivers/scsi/sym53c8xx_2/sym_defs.h:109:0: warning: "WSR" redefined
  #define   WSR     0x01  /* sta: wide scsi received       [W]*/
 ^
In file included from /kisskb/src/arch/xtensa/include/asm/bitops.h:22:0,
                 from /kisskb/src/include/linux/bitops.h:19,
                 from /kisskb/src/include/linux/kernel.h:11,
                 from /kisskb/src/include/linux/list.h:9,
                 from /kisskb/src/include/linux/wait.h:7,
                 from /kisskb/src/include/linux/completion.h:12,
                 from /kisskb/src/drivers/scsi/sym53c8xx_2/sym_glue.h:43,
                 from /kisskb/src/drivers/scsi/sym53c8xx_2/sym_fw.c:40:
/kisskb/src/arch/xtensa/include/asm/processor.h:219:0: note: this is the location of the previous definition
 #define WSR(v,sr) __asm__ __volatile__ ("wsr %0,"__stringify(sr) :: "a"(v));
 ^
In file included from /kisskb/src/drivers/scsi/sym53c8xx_2/sym_glue.h:64:0,
                 from /kisskb/src/drivers/scsi/sym53c8xx_2/sym_glue.c:50:
/kisskb/src/drivers/scsi/sym53c8xx_2/sym_defs.h:109:0: warning: "WSR" redefined
  #define   WSR     0x01  /* sta: wide scsi received       [W]*/
 ^
In file included from /kisskb/src/arch/xtensa/include/asm/bitops.h:22:0,
                 from /kisskb/src/include/linux/bitops.h:19,
                 from /kisskb/src/include/linux/kernel.h:11,
                 from /kisskb/src/include/linux/list.h:9,
                 from /kisskb/src/include/linux/module.h:9,
                 from /kisskb/src/drivers/scsi/sym53c8xx_2/sym_glue.c:42:
/kisskb/src/arch/xtensa/include/asm/processor.h:219:0: note: this is the location of the previous definition
 #define WSR(v,sr) __asm__ __volatile__ ("wsr %0,"__stringify(sr) :: "a"(v));
 ^
In file included from /kisskb/src/drivers/scsi/sym53c8xx_2/sym_glue.h:64:0,
                 from /kisskb/src/drivers/scsi/sym53c8xx_2/sym_hipd.c:44:
/kisskb/src/drivers/scsi/sym53c8xx_2/sym_defs.h:109:0: warning: "WSR" redefined
  #define   WSR     0x01  /* sta: wide scsi received       [W]*/
 ^
In file included from /kisskb/src/arch/xtensa/include/asm/bitops.h:22:0,
                 from /kisskb/src/include/linux/bitops.h:19,
                 from /kisskb/src/include/linux/kernel.h:11,
                 from /kisskb/src/include/asm-generic/bug.h:18,
                 from ./arch/xtensa/include/generated/asm/bug.h:1,
                 from /kisskb/src/include/linux/bug.h:5,
                 from /kisskb/src/include/linux/mmdebug.h:5,
                 from /kisskb/src/include/linux/gfp.h:5,
                 from /kisskb/src/include/linux/slab.h:15,
                 from /kisskb/src/drivers/scsi/sym53c8xx_2/sym_hipd.c:41:
/kisskb/src/arch/xtensa/include/asm/processor.h:219:0: note: this is the location of the previous definition
 #define WSR(v,sr) __asm__ __volatile__ ("wsr %0,"__stringify(sr) :: "a"(v));
 ^
In file included from /kisskb/src/drivers/scsi/sym53c8xx_2/sym_glue.h:64:0,
                 from /kisskb/src/drivers/scsi/sym53c8xx_2/sym_malloc.c:40:
/kisskb/src/drivers/scsi/sym53c8xx_2/sym_defs.h:109:0: warning: "WSR" redefined
  #define   WSR     0x01  /* sta: wide scsi received       [W]*/
 ^
In file included from /kisskb/src/arch/xtensa/include/asm/bitops.h:22:0,
                 from /kisskb/src/include/linux/bitops.h:19,
                 from /kisskb/src/include/linux/kernel.h:11,
                 from /kisskb/src/include/linux/list.h:9,
                 from /kisskb/src/include/linux/wait.h:7,
                 from /kisskb/src/include/linux/completion.h:12,
                 from /kisskb/src/drivers/scsi/sym53c8xx_2/sym_glue.h:43,
                 from /kisskb/src/drivers/scsi/sym53c8xx_2/sym_malloc.c:40:
/kisskb/src/arch/xtensa/include/asm/processor.h:219:0: note: this is the location of the previous definition
 #define WSR(v,sr) __asm__ __volatile__ ("wsr %0,"__stringify(sr) :: "a"(v));
 ^
In file included from /kisskb/src/drivers/scsi/sym53c8xx_2/sym_glue.h:64:0,
                 from /kisskb/src/drivers/scsi/sym53c8xx_2/sym_nvram.c:40:
/kisskb/src/drivers/scsi/sym53c8xx_2/sym_defs.h:109:0: warning: "WSR" redefined
  #define   WSR     0x01  /* sta: wide scsi received       [W]*/
 ^
In file included from /kisskb/src/arch/xtensa/include/asm/bitops.h:22:0,
                 from /kisskb/src/include/linux/bitops.h:19,
                 from /kisskb/src/include/linux/kernel.h:11,
                 from /kisskb/src/include/linux/list.h:9,
                 from /kisskb/src/include/linux/wait.h:7,
                 from /kisskb/src/include/linux/completion.h:12,
                 from /kisskb/src/drivers/scsi/sym53c8xx_2/sym_glue.h:43,
                 from /kisskb/src/drivers/scsi/sym53c8xx_2/sym_nvram.c:40:
/kisskb/src/arch/xtensa/include/asm/processor.h:219:0: note: this is the location of the previous definition
 #define WSR(v,sr) __asm__ __volatile__ ("wsr %0,"__stringify(sr) :: "a"(v));
 ^
/kisskb/src/scripts/unifdef.c: In function 'Mpass':
/kisskb/src/scripts/unifdef.c:453:28: warning: 'strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation]
 static void Mpass (void) { strncpy(keyword, "if  ", 4); Pelif(); }
                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~
./usr/include/asm/setup.h:17: userspace cannot reference function or variable defined in the kernel
Completed OK
# rm -rf /kisskb/build/linus_xtensa-allmodconfig_xtensa
# Build took: 0:17:03.543202