# git rev-parse -q --verify 498e47cd1d1f3e0a870a29d1b28093e64db52fd2^{commit}
498e47cd1d1f3e0a870a29d1b28093e64db52fd2
already have revision, skipping fetch
# git checkout -q -f -B kisskb 498e47cd1d1f3e0a870a29d1b28093e64db52fd2
# git clean -qxdf
# < git log -1
# commit 498e47cd1d1f3e0a870a29d1b28093e64db52fd2
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Wed Mar 27 09:48:47 2024 -0700
# 
#     Fix build errors due to new UIO_MEM_DMA_COHERENT mess
#     
#     Commit 576882ef5e7f ("uio: introduce UIO_MEM_DMA_COHERENT type")
#     introduced a new use-case for 'struct uio_mem' where the 'mem' field now
#     contains a kernel virtual address when 'memtype' is set to
#     UIO_MEM_DMA_COHERENT.
#     
#     That in turn causes build errors, because 'mem' is of type
#     'phys_addr_t', and a virtual address is a pointer type.  When the code
#     just blindly uses cast to mix the two, it caused problems when
#     phys_addr_t isn't the same size as a pointer - notably on 32-bit
#     architectures with PHYS_ADDR_T_64BIT.
#     
#     The proper thing to do would probably be to use a union member, and not
#     have any casts, and make the 'mem' member be a union of 'mem.physaddr'
#     and 'mem.vaddr', based on 'memtype'.
#     
#     This is not that proper thing.  This is just fixing the ugly casts to be
#     even uglier, but at least not cause build errors on 32-bit platforms
#     with 64-bit physical addresses.
#     
#     Reported-by: Guenter Roeck <linux@roeck-us.net>
#     Fixes: 576882ef5e7f ("uio: introduce UIO_MEM_DMA_COHERENT type")
#     Fixes: 7722151e4651 ("uio_pruss: UIO_MEM_DMA_COHERENT conversion")
#     Fixes: 019947805a8d ("uio_dmem_genirq: UIO_MEM_DMA_COHERENT conversion")
#     Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
#     Cc: Chris Leech <cleech@redhat.com>
#     Cc: Nilesh Javali <njavali@marvell.com>
#     Cc: Christoph Hellwig <hch@lst.de>
#     Signed-off-by: Linus Torvalds <torvalds@linuxfoundation.org>
# < /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sh4-linux/bin/sh4-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sh4-linux/bin/sh4-linux-ld --version
# < git log --format=%s --max-count=1 498e47cd1d1f3e0a870a29d1b28093e64db52fd2
# make -s -j 160 ARCH=sh O=/kisskb/build/linus_se7619_defconfig_sh4-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sh4-linux/bin/sh4-linux-  se7619_defconfig
# < make -s -j 160 ARCH=sh O=/kisskb/build/linus_se7619_defconfig_sh4-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sh4-linux/bin/sh4-linux-  help
# make -s -j 160 ARCH=sh O=/kisskb/build/linus_se7619_defconfig_sh4-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sh4-linux/bin/sh4-linux-  olddefconfig
# make -s -j 160 ARCH=sh O=/kisskb/build/linus_se7619_defconfig_sh4-gcc13 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-13.1.0-nolibc/sh4-linux/bin/sh4-linux-  
  Generating include/generated/machtypes.h
<stdin>:1519:2: warning: #warning syscall clone3 not implemented [-Wcpp]
/kisskb/src/arch/sh/mm/cache-sh2.c:85:13: warning: no previous prototype for 'sh2_cache_init' [-Wmissing-prototypes]
   85 | void __init sh2_cache_init(void)
      |             ^~~~~~~~~~~~~~
/kisskb/src/arch/sh/mm/nommu.c:76:13: warning: no previous prototype for 'kmap_coherent_init' [-Wmissing-prototypes]
   76 | void __init kmap_coherent_init(void)
      |             ^~~~~~~~~~~~~~~~~~
/kisskb/src/arch/sh/mm/nommu.c:80:7: warning: no previous prototype for 'kmap_coherent' [-Wmissing-prototypes]
   80 | void *kmap_coherent(struct page *page, unsigned long addr)
      |       ^~~~~~~~~~~~~
/kisskb/src/arch/sh/mm/nommu.c:86:6: warning: no previous prototype for 'kunmap_coherent' [-Wmissing-prototypes]
   86 | void kunmap_coherent(void *kvaddr)
      |      ^~~~~~~~~~~~~~~
/kisskb/src/arch/sh/kernel/cpu/init.c:99:29: warning: no previous prototype for 'l2_cache_init' [-Wmissing-prototypes]
   99 | void __attribute__ ((weak)) l2_cache_init(void)
      |                             ^~~~~~~~~~~~~
/kisskb/src/arch/sh/kernel/return_address.c:49:7: warning: no previous prototype for 'return_address' [-Wmissing-prototypes]
   49 | void *return_address(unsigned int depth)
      |       ^~~~~~~~~~~~~~
/kisskb/src/arch/sh/kernel/sys_sh.c:58:16: warning: no previous prototype for 'sys_cacheflush' [-Wmissing-prototypes]
   58 | asmlinkage int sys_cacheflush(unsigned long addr, unsigned long len, int op)
      |                ^~~~~~~~~~~~~~
/kisskb/src/arch/sh/kernel/traps_32.c:735:6: warning: no previous prototype for 'per_cpu_trap_init' [-Wmissing-prototypes]
  735 | void per_cpu_trap_init(void)
      |      ^~~~~~~~~~~~~~~~~
/kisskb/src/arch/sh/kernel/hw_breakpoint.c:135:5: warning: no previous prototype for 'arch_bp_generic_fields' [-Wmissing-prototypes]
  135 | int arch_bp_generic_fields(int sh_len, int sh_type,
      |     ^~~~~~~~~~~~~~~~~~~~~~
Completed OK
# rm -rf /kisskb/build/linus_se7619_defconfig_sh4-gcc13
# Build took: 0:01:16.846505