# git rev-parse -q --verify 5c7e3f3f5cbc31118914ceee969154582ad3aa6b^{commit}
5c7e3f3f5cbc31118914ceee969154582ad3aa6b
already have revision, skipping fetch
# git checkout -q -f -B kisskb 5c7e3f3f5cbc31118914ceee969154582ad3aa6b
# git clean -qxdf
# < git log -1
# commit 5c7e3f3f5cbc31118914ceee969154582ad3aa6b
# Merge: 4a5bb973fa03 9def3b1a07c4
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Tue Oct 20 09:35:06 2020 -0700
# 
#     Merge tag 'iommu-fix-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
#     
#     Pull iommu fix from Joerg Roedel:
#      "Fix a build regression with !CONFIG_IOMMU_API"
#     
#     * tag 'iommu-fix-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
#       iommu/vt-d: Don't dereference iommu_device if IOMMU_API is not built
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 5c7e3f3f5cbc31118914ceee969154582ad3aa6b
# < make -s -j 80 ARCH=powerpc O=/kisskb/build/linus_mpc85xx_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  mpc85xx_defconfig
# < make -s -j 80 ARCH=powerpc O=/kisskb/build/linus_mpc85xx_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 80 ARCH=powerpc O=/kisskb/build/linus_mpc85xx_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
# make -s -j 80 ARCH=powerpc O=/kisskb/build/linus_mpc85xx_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  
In file included from /kisskb/src/include/linux/kernel.h:11:0,
                 from /kisskb/src/include/linux/list.h:9,
                 from /kisskb/src/include/linux/module.h:12,
                 from /kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:15:
/kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c: In function 'allocate_bd':
/kisskb/src/include/linux/err.h:22:49: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
 #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO)
                                                 ^
/kisskb/src/include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
 # define unlikely(x) __builtin_expect(!!(x), 0)
                                          ^
/kisskb/src/drivers/net/ethernet/freescale/fs_enet/mac-scc.c:139:6: note: in expansion of macro 'IS_ERR_VALUE'
  if (IS_ERR_VALUE(fep->ring_mem_addr))
      ^
In file included from /kisskb/src/arch/powerpc/include/asm/cmpxchg.h:6:0,
                 from /kisskb/src/arch/powerpc/include/asm/atomic.h:11,
                 from /kisskb/src/include/linux/atomic.h:7,
                 from /kisskb/src/include/linux/crypto.h:15,
                 from /kisskb/src/include/crypto/hash.h:11,
                 from /kisskb/src/lib/iov_iter.c:2:
/kisskb/src/lib/iov_iter.c: In function 'iovec_from_user.part.32':
/kisskb/src/arch/powerpc/include/asm/uaccess.h:287:2: error: 'asm' operand has impossible constraints
  __asm__ __volatile__(    \
  ^
/kisskb/src/include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
 # define unlikely(x) __builtin_expect(!!(x), 0)
                                          ^
/kisskb/src/arch/powerpc/include/asm/uaccess.h:583:34: note: in expansion of macro 'unsafe_op_wrap'
 #define unsafe_get_user(x, p, e) unsafe_op_wrap(__get_user_allowed(x, p), e)
                                  ^
/kisskb/src/arch/powerpc/include/asm/uaccess.h:329:10: note: in expansion of macro '__get_user_asm'
  case 4: __get_user_asm(x, (u32 __user *)ptr, retval, "lwz"); break; \
          ^
/kisskb/src/arch/powerpc/include/asm/uaccess.h:363:3: note: in expansion of macro '__get_user_size_allowed'
   __get_user_size_allowed(__gu_val, __gu_addr, __gu_size, __gu_err); \
   ^
/kisskb/src/arch/powerpc/include/asm/uaccess.h:100:2: note: in expansion of macro '__get_user_nocheck'
  __get_user_nocheck((x), (ptr), sizeof(*(ptr)), false)
  ^
/kisskb/src/arch/powerpc/include/asm/uaccess.h:583:49: note: in expansion of macro '__get_user_allowed'
 #define unsafe_get_user(x, p, e) unsafe_op_wrap(__get_user_allowed(x, p), e)
                                                 ^
/kisskb/src/lib/iov_iter.c:1668:3: note: in expansion of macro 'unsafe_get_user'
   unsafe_get_user(len, &uiov[i].iov_len, uaccess_end);
   ^
make[2]: *** [/kisskb/src/scripts/Makefile.build:283: lib/iov_iter.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [/kisskb/src/Makefile:1777: lib] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:185: __sub-make] Error 2
Command 'make -s -j 80 ARCH=powerpc O=/kisskb/build/linus_mpc85xx_defconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus_mpc85xx_defconfig_powerpc-gcc4.9
# Build took: 0:01:49.562518