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On Wed, Jul 14, 2004 at 05:29:57PM +0800, Hugang wrote: > On Wed, 14 Jul 2004 10:24:17 +0100 > Russell King <rmk+lkml@arm.linux.org.uk> wrote: > | This down+up prevents drivers from being unloaded until there are no > | references to their struct device_driver. By removing this, you open > | the very real possibility for an oops to occur. > Yes, I agree with you. When sbp2 is using the module count is not zero, > so I can rmmod it, So I think, for sbp2 that's safe, That's true on my > laptop. The module count does not cover all cases, especially the case which this semaphore protects against. -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/ 2.6 Serial core - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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