linux-toradex.git/arch/tile/include/asm/word-at-a-time.h, branch v4.9.72 Linux kernel for Apalis and Colibri modules word-at-a-time.h: support zero_bytemask() on alpha and tile 2015-10-06T18:53:16+00:00 Chris Metcalf cmetcalf@ezchip.com 2015-10-06T18:20:45+00:00 c753bf34c94e5ac901e625e52f47320eeec4de2d Both alpha and tile needed implementations of zero_bytemask. The alpha version is untested. Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com> 
Both alpha and tile needed implementations of zero_bytemask.

The alpha version is untested.

Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>
tile: add <asm/word-at-a-time.h> and enable support functions 2015-04-30T19:23:37+00:00 Chris Metcalf cmetcalf@ezchip.com 2015-04-30T19:12:42+00:00 5bf6c07a1843813d0065feaaecba622d49148d7e This change enables the generic strncpy_from_user() and strnlen_user() using word-at-a-time.h. The tile implementation is trivial since both tilepro and tilegx have SIMD operations that do byte-wise comparisons against immediate zero for each byte, and return an 0x01 byte in each position where there is a 0x00 byte. Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com> 
This change enables the generic strncpy_from_user() and strnlen_user()
using word-at-a-time.h.  The tile implementation is trivial since
both tilepro and tilegx have SIMD operations that do byte-wise
comparisons against immediate zero for each byte, and return an
0x01 byte in each position where there is a 0x00 byte.

Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>