# git rev-parse -q --verify 59cc84c802eb923805e7bba425976a3df5ce35d8^{commit}
59cc84c802eb923805e7bba425976a3df5ce35d8
already have revision, skipping fetch
# git checkout -q -f -B kisskb 59cc84c802eb923805e7bba425976a3df5ce35d8
# git clean -qxdf
# < git log -1
# commit 59cc84c802eb923805e7bba425976a3df5ce35d8
# Author: Frederic Barrat <fbarrat@linux.ibm.com>
# Date:   Wed May 26 16:45:40 2021 +0200
# 
#     Revert "powerpc/kernel/iommu: Align size for IOMMU_PAGE_SIZE() to save TCEs"
#     
#     This reverts commit 3c0468d4451eb6b4f6604370639f163f9637a479.
#     
#     That commit was breaking alignment guarantees for the DMA address when
#     allocating coherent mappings, as described in
#     Documentation/core-api/dma-api-howto.rst
#     
#     It was also noticed by Mellanox' driver:
#     [ 1515.763621] mlx5_core c002:01:00.0: mlx5_frag_buf_alloc_node:146:(pid 13402): unexpected map alignment: 0x0800000000c61000, page_shift=16
#     [ 1515.763635] mlx5_core c002:01:00.0: mlx5_cqwq_create:181:(pid
#     13402): mlx5_frag_buf_alloc_node() failed, -12
#     
#     Fixes: 3c0468d4451e ("powerpc/kernel/iommu: Align size for  IOMMU_PAGE_SIZE() to save TCEs")
#     Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
#     Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
#     Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#     Link: https://lore.kernel.org/r/20210526144540.117795-1-fbarrat@linux.ibm.com
# < /opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux-gcc --version
# < /opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux-ld --version
# < git log --format=%s --max-count=1 59cc84c802eb923805e7bba425976a3df5ce35d8
# < make -s -j 120 ARCH=mips O=/kisskb/build/powerpc-fixes_mips-defconfig_mipsel CROSS_COMPILE=/opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux-  defconfig
# < make -s -j 120 ARCH=mips O=/kisskb/build/powerpc-fixes_mips-defconfig_mipsel CROSS_COMPILE=/opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux-  help
# make -s -j 120 ARCH=mips O=/kisskb/build/powerpc-fixes_mips-defconfig_mipsel CROSS_COMPILE=/opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux-  olddefconfig
# make -s -j 120 ARCH=mips O=/kisskb/build/powerpc-fixes_mips-defconfig_mipsel CROSS_COMPILE=/opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux-  
FIT description: Linux 5.13.0-rc2-g59cc84c802eb
Created:         Mon Jun  7 00:03:44 2021
 Image 0 (kernel)
  Description:  Linux 5.13.0-rc2-g59cc84c802eb
  Created:      Mon Jun  7 00:03:44 2021
  Type:         Kernel Image
  Compression:  gzip compressed
  Data Size:    5350426 Bytes = 5225.03 KiB = 5.10 MiB
  Architecture: MIPS
  OS:           Linux
  Load Address: 0x80100000
  Entry Point:  0x809d0ab8
  Hash algo:    sha1
  Hash value:   9dbfbc0fcf16d80f501d3de87b3a6600c9bde1f4
 Image 1 (fdt-boston)
  Description:  img,boston Device Tree
  Created:      Mon Jun  7 00:03:44 2021
  Type:         Flat Device Tree
  Compression:  uncompressed
  Data Size:    3793 Bytes = 3.70 KiB = 0.00 MiB
  Architecture: MIPS
  Hash algo:    sha1
  Hash value:   4799f50d688573234da6e9d7701234d394759ef4
 Image 2 (fdt-ni169445)
  Description:  NI 169445 device tree
  Created:      Mon Jun  7 00:03:44 2021
  Type:         Flat Device Tree
  Compression:  uncompressed
  Data Size:    1871 Bytes = 1.83 KiB = 0.00 MiB
  Architecture: MIPS
  Hash algo:    sha1
  Hash value:   51b89b31605ee62038c8468c429af091dfc75ec7
 Image 3 (fdt-ocelot_pcb123)
  Description:  MSCC Ocelot PCB123 Device Tree
  Created:      Mon Jun  7 00:03:44 2021
  Type:         Flat Device Tree
  Compression:  uncompressed
  Data Size:    4659 Bytes = 4.55 KiB = 0.00 MiB
  Architecture: MIPS
  Hash algo:    sha1
  Hash value:   5bcb6e4f21e8e5372544aa130b3bd097355a9050
 Image 4 (fdt-ocelot_pcb120)
  Description:  MSCC Ocelot PCB120 Device Tree
  Created:      Mon Jun  7 00:03:44 2021
  Type:         Flat Device Tree
  Compression:  uncompressed
  Data Size:    5418 Bytes = 5.29 KiB = 0.01 MiB
  Architecture: MIPS
  Hash algo:    sha1
  Hash value:   93d882f2009a217e0fa9dab94788535ed2be8476
 Image 5 (fdt-xilfpga)
  Description:  MIPSfpga (xilfpga) Device Tree
  Created:      Mon Jun  7 00:03:44 2021
  Type:         Flat Device Tree
  Compression:  uncompressed
  Data Size:    2708 Bytes = 2.64 KiB = 0.00 MiB
  Architecture: MIPS
  Hash algo:    sha1
  Hash value:   63d058b780f65e22da30f0a183433765f1807f1d
 Default Configuration: 'conf-default'
 Configuration 0 (conf-default)
  Description:  Generic Linux kernel
  Kernel:       kernel
 Configuration 1 (conf-boston)
  Description:  Boston Linux kernel
  Kernel:       kernel
  FDT:          fdt-boston
 Configuration 2 (conf-ni169445)
  Description:  NI 169445 Linux Kernel
  Kernel:       kernel
  FDT:          fdt-ni169445
 Configuration 3 (conf-ocelot_pcb123)
  Description:  Ocelot Linux kernel
  Kernel:       kernel
  FDT:          fdt-ocelot_pcb123
 Configuration 4 (conf-ocelot_pcb120)
  Description:  Ocelot Linux kernel
  Kernel:       kernel
  FDT:          fdt-ocelot_pcb120
 Configuration 5 (conf-xilfpga)
  Description:  MIPSfpga Linux kernel
  Kernel:       kernel
  FDT:          fdt-xilfpga
Completed OK
# rm -rf /kisskb/build/powerpc-fixes_mips-defconfig_mipsel
# Build took: 0:01:04.684564