Hosts the 0x221E linux distro kernel. https://universe.0xinfinity.dev/distro/kernel/atom?h=0x221E-v0.0.1-v6.19 2024-10-29T07:14:29Z 2024-10-29T07:14:29Z Arnd Bergmann arnd@arndb.de 2024-10-29T07:14:29Z urn:sha1:5a8b4b4001252fd64f4f0756d4f8cdfd61eccb77 The newly added file did not quite get the punctuation right: lib/iomem_copy.c:14: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202410290907.0mDZVYPK-lkp@intel.com/ Signed-off-by: Arnd Bergmann <arnd@arndb.de> 2024-10-28T21:44:29Z Julian Vetter jvetter@kalrayinc.com 2024-10-28T13:42:24Z urn:sha1:b660d0a2acb9053d627befbb259a397d26aa9582 The IO memcpy and IO memset functions in asm-generic/io.h simply call memcpy and memset. This can lead to alignment problems or faults on architectures that do not define their own version and fall back to these defaults. This patch introduces new implementations for IO memcpy and IO memset, that use read{l,q} accessor functions, align accesses to machine word size, and resort to byte accesses when the target memory is not aligned. For new architectures and existing ones that were using the old fallbacks these functions are save to use, because IO memory constraints are taken into account. Moreover, architectures with similar implementations can now use these new versions, not needing to implement their own. Reviewed-by: Yann Sionneau <ysionneau@kalrayinc.com> Signed-off-by: Julian Vetter <jvetter@kalrayinc.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>