Searched hist:"8318 f7c2" (Results 1 – 3 of 3) sorted by relevance
| /openbmc/linux/arch/csky/kernel/ |
| H A D | io.c | 8318f7c2 Wed Apr 06 08:32:22 CDT 2022 Guo Ren <guoren@linux.alibaba.com> csky: optimize memcpy_{from,to}io() and memset_io()
Optimize memcpy_{from,to}io() and memset_io() by transferring in
64 bit as much as possible with minimized barrier usage. This
simplest optimization brings faster throughput compare to current
byte-by-byte read and write with barrier in the loop. Code's
skeleton is taken from the powerpc & arm64.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
|
| H A D | Makefile | 8318f7c2 Wed Apr 06 08:32:22 CDT 2022 Guo Ren <guoren@linux.alibaba.com> csky: optimize memcpy_{from,to}io() and memset_io()
Optimize memcpy_{from,to}io() and memset_io() by transferring in
64 bit as much as possible with minimized barrier usage. This
simplest optimization brings faster throughput compare to current
byte-by-byte read and write with barrier in the loop. Code's
skeleton is taken from the powerpc & arm64.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
|
| /openbmc/linux/arch/csky/include/asm/ |
| H A D | io.h | 8318f7c2 Wed Apr 06 08:32:22 CDT 2022 Guo Ren <guoren@linux.alibaba.com> csky: optimize memcpy_{from,to}io() and memset_io()
Optimize memcpy_{from,to}io() and memset_io() by transferring in
64 bit as much as possible with minimized barrier usage. This
simplest optimization brings faster throughput compare to current
byte-by-byte read and write with barrier in the loop. Code's
skeleton is taken from the powerpc & arm64.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
|