diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-05 17:55:20 -0400 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-05 17:55:20 -0400 |
commit | ea62ccd00fd0b6720b033adfc9984f31130ce195 (patch) | |
tree | 9837b797b2466fffcb0af96c388b06eae9c3df18 /include/asm-i386/io.h | |
parent | 886a0768affe9a32f18c45f8e1393bca9ece5392 (diff) | |
parent | 35060b6a9a4e1c89bc6fbea61090e302dbc61847 (diff) |
Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6
* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: (231 commits)
[PATCH] i386: Don't delete cpu_devs data to identify different x86 types in late_initcall
[PATCH] i386: type may be unused
[PATCH] i386: Some additional chipset register values validation.
[PATCH] i386: Add missing !X86_PAE dependincy to the 2G/2G split.
[PATCH] x86-64: Don't exclude asm-offsets.c in Documentation/dontdiff
[PATCH] i386: avoid redundant preempt_disable in __unlazy_fpu
[PATCH] i386: white space fixes in i387.h
[PATCH] i386: Drop noisy e820 debugging printks
[PATCH] x86-64: Fix allnoconfig error in genapic_flat.c
[PATCH] x86-64: Shut up warnings for vfat compat ioctls on other file systems
[PATCH] x86-64: Share identical video.S between i386 and x86-64
[PATCH] x86-64: Remove CONFIG_REORDER
[PATCH] x86-64: Print type and size correctly for unknown compat ioctls
[PATCH] i386: Remove copy_*_user BUG_ONs for (size < 0)
[PATCH] i386: Little cleanups in smpboot.c
[PATCH] x86-64: Don't enable NUMA for a single node in K8 NUMA scanning
[PATCH] x86: Use RDTSCP for synchronous get_cycles if possible
[PATCH] i386: Add X86_FEATURE_RDTSCP
[PATCH] i386: Implement X86_FEATURE_SYNC_RDTSC on i386
[PATCH] i386: Implement alternative_io for i386
...
Fix up trivial conflict in include/linux/highmem.h manually.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-i386/io.h')
-rw-r--r-- | include/asm-i386/io.h | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/include/asm-i386/io.h b/include/asm-i386/io.h index 59fe616933c4..e797586a5bfc 100644 --- a/include/asm-i386/io.h +++ b/include/asm-i386/io.h | |||
@@ -250,19 +250,22 @@ static inline void flush_write_buffers(void) | |||
250 | 250 | ||
251 | #endif /* __KERNEL__ */ | 251 | #endif /* __KERNEL__ */ |
252 | 252 | ||
253 | static inline void native_io_delay(void) | ||
254 | { | ||
255 | asm volatile("outb %%al,$0x80" : : : "memory"); | ||
256 | } | ||
257 | |||
253 | #if defined(CONFIG_PARAVIRT) | 258 | #if defined(CONFIG_PARAVIRT) |
254 | #include <asm/paravirt.h> | 259 | #include <asm/paravirt.h> |
255 | #else | 260 | #else |
256 | 261 | ||
257 | #define __SLOW_DOWN_IO "outb %%al,$0x80;" | ||
258 | |||
259 | static inline void slow_down_io(void) { | 262 | static inline void slow_down_io(void) { |
260 | __asm__ __volatile__( | 263 | native_io_delay(); |
261 | __SLOW_DOWN_IO | ||
262 | #ifdef REALLY_SLOW_IO | 264 | #ifdef REALLY_SLOW_IO |
263 | __SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO | 265 | native_io_delay(); |
266 | native_io_delay(); | ||
267 | native_io_delay(); | ||
264 | #endif | 268 | #endif |
265 | : : ); | ||
266 | } | 269 | } |
267 | 270 | ||
268 | #endif | 271 | #endif |