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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-11-13 17:10:13 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-11-13 17:10:13 -0800 |
| commit | c25141062a82ae8bddced1b3ce2b57a1c0efabe0 (patch) | |
| tree | 105edf10059bc0c4f2f00338b0c861b813d1bb1a /include/linux/vt_buffer.h | |
| parent | 26dd633e437dca218547ccbeacc71fe8a620b6f6 (diff) | |
| parent | c1b433e04ef9c0a1c4d65bfe918472ffa334dff4 (diff) | |
Merge branch 'next' into for-linus
Prepare input updates for 4.15 merge window.
Diffstat (limited to 'include/linux/vt_buffer.h')
| -rw-r--r-- | include/linux/vt_buffer.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/vt_buffer.h b/include/linux/vt_buffer.h index f38c10ba3ff5..848db1b1569f 100644 --- a/include/linux/vt_buffer.h +++ b/include/linux/vt_buffer.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * include/linux/vt_buffer.h -- Access to VT screen buffer * @@ -13,6 +14,7 @@ #ifndef _LINUX_VT_BUFFER_H_ #define _LINUX_VT_BUFFER_H_ +#include <linux/string.h> #if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_MDA_CONSOLE) #include <asm/vga.h> @@ -26,24 +28,33 @@ #ifndef VT_BUF_HAVE_MEMSETW static inline void scr_memsetw(u16 *s, u16 c, unsigned int count) { +#ifdef VT_BUF_HAVE_RW count /= 2; while (count--) scr_writew(c, s++); +#else + memset16(s, c, count / 2); +#endif } #endif #ifndef VT_BUF_HAVE_MEMCPYW static inline void scr_memcpyw(u16 *d, const u16 *s, unsigned int count) { +#ifdef VT_BUF_HAVE_RW count /= 2; while (count--) scr_writew(scr_readw(s++), d++); +#else + memcpy(d, s, count); +#endif } #endif #ifndef VT_BUF_HAVE_MEMMOVEW static inline void scr_memmovew(u16 *d, const u16 *s, unsigned int count) { +#ifdef VT_BUF_HAVE_RW if (d < s) scr_memcpyw(d, s, count); else { @@ -53,6 +64,9 @@ static inline void scr_memmovew(u16 *d, const u16 *s, unsigned int count) while (count--) scr_writew(scr_readw(--s), --d); } +#else + memmove(d, s, count); +#endif } #endif |