Messages in this thread | | | Date | Tue, 10 Nov 1998 11:41:30 +1100 | From | Anton Blanchard <> | Subject | Re: Weirdness in SPARC patches in 2.1.127 |
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> The file arch/sparc/kernel/smp.c defines: > > /* Kernel spinlock */ > spinlock_t kernel_flag = SPIN_LOCK_UNLOCKED; > > +/* Used to make bitops atomic */ > +unsigned char bitops_spinlock = 0; > + > > Shouldn't both be the same type and initialization?
The spinlock is written in assembly to make the best of a bad situation. If all bitops weren't required to be atomic then we wouldn't need to do this hack.
Cheers, Anton
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