diff options
| author | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-07 08:59:11 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-07 08:59:11 -0800 |
| commit | 4522d58275f124105819723e24e912c8e5bf3cdd (patch) | |
| tree | b92c29014fadffe049c1925676037f0092b8d112 /include/asm-i386/delay.h | |
| parent | 6cf24f031bc97cb5a7c9df3b6e73c45b628b2b28 (diff) | |
| parent | 64a26a731235b59c9d73bbe82c1f896d57400d37 (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: (156 commits)
[PATCH] x86-64: Export smp_call_function_single
[PATCH] i386: Clean up smp_tune_scheduling()
[PATCH] unwinder: move .eh_frame to RODATA
[PATCH] unwinder: fully support linker generated .eh_frame_hdr section
[PATCH] x86-64: don't use set_irq_regs()
[PATCH] x86-64: check vector in setup_ioapic_dest to verify if need setup_IO_APIC_irq
[PATCH] x86-64: Make ix86 default to HIGHMEM4G instead of NOHIGHMEM
[PATCH] i386: replace kmalloc+memset with kzalloc
[PATCH] x86-64: remove remaining pc98 code
[PATCH] x86-64: remove unused variable
[PATCH] x86-64: Fix constraints in atomic_add_return()
[PATCH] x86-64: fix asm constraints in i386 atomic_add_return
[PATCH] x86-64: Correct documentation for bzImage protocol v2.05
[PATCH] x86-64: replace kmalloc+memset with kzalloc in MTRR code
[PATCH] x86-64: Fix numaq build error
[PATCH] x86-64: include/asm-x86_64/cpufeature.h isn't a userspace header
[PATCH] unwinder: Add debugging output to the Dwarf2 unwinder
[PATCH] x86-64: Clarify error message in GART code
[PATCH] x86-64: Fix interrupt race in idle callback (3rd try)
[PATCH] x86-64: Remove unwind stack pointer alignment forcing again
...
Fixed conflict in include/linux/uaccess.h manually
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-i386/delay.h')
| -rw-r--r-- | include/asm-i386/delay.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/include/asm-i386/delay.h b/include/asm-i386/delay.h index b1c7650dc7b..32d6678d0bb 100644 --- a/include/asm-i386/delay.h +++ b/include/asm-i386/delay.h @@ -7,6 +7,7 @@ * Delay routines calling functions in arch/i386/lib/delay.c */ +/* Undefined functions to get compile-time errors */ extern void __bad_udelay(void); extern void __bad_ndelay(void); @@ -15,13 +16,23 @@ extern void __ndelay(unsigned long nsecs); extern void __const_udelay(unsigned long usecs); extern void __delay(unsigned long loops); +#if defined(CONFIG_PARAVIRT) && !defined(USE_REAL_TIME_DELAY) +#define udelay(n) paravirt_ops.const_udelay((n) * 0x10c7ul) + +#define ndelay(n) paravirt_ops.const_udelay((n) * 5ul) + +#else /* !PARAVIRT || USE_REAL_TIME_DELAY */ + +/* 0x10c7 is 2**32 / 1000000 (rounded up) */ #define udelay(n) (__builtin_constant_p(n) ? \ ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c7ul)) : \ __udelay(n)) - + +/* 0x5 is 2**32 / 1000000000 (rounded up) */ #define ndelay(n) (__builtin_constant_p(n) ? \ ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \ __ndelay(n)) +#endif void use_tsc_delay(void); |