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| author | Matthew Wilcox <matthew@wil.cx> | 2008-03-08 03:55:58 +0100 |
|---|---|---|
| committer | Matthew Wilcox <willy@linux.intel.com> | 2008-04-17 16:42:34 +0200 |
| commit | 64ac24e738823161693bf791f87adc802cf529ff (patch) | |
| tree | 19c0b0cf314d4394ca580c05b86cdf874ce0a167 /arch/s390/kernel/s390_ksyms.c | |
| parent | Add semaphore.h to kernel_lock.c (diff) | |
| download | linux-64ac24e738823161693bf791f87adc802cf529ff.tar.xz linux-64ac24e738823161693bf791f87adc802cf529ff.zip | |
Generic semaphore implementation
Semaphores are no longer performance-critical, so a generic C
implementation is better for maintainability, debuggability and
extensibility. Thanks to Peter Zijlstra for fixing the lockdep
warning. Thanks to Harvey Harrison for pointing out that the
unlikely() was unnecessary.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/s390/kernel/s390_ksyms.c')
| -rw-r--r-- | arch/s390/kernel/s390_ksyms.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/arch/s390/kernel/s390_ksyms.c b/arch/s390/kernel/s390_ksyms.c index 7234c737f825..48238a114ce9 100644 --- a/arch/s390/kernel/s390_ksyms.c +++ b/arch/s390/kernel/s390_ksyms.c @@ -27,13 +27,6 @@ EXPORT_SYMBOL(_zb_findmap); EXPORT_SYMBOL(_sb_findmap); /* - * semaphore ops - */ -EXPORT_SYMBOL(__up); -EXPORT_SYMBOL(__down); -EXPORT_SYMBOL(__down_interruptible); - -/* * binfmt_elf loader */ extern int dump_fpu (struct pt_regs * regs, s390_fp_regs *fpregs); |