Messages in this thread | | | Date | Sat, 8 May 2004 00:41:04 +0200 | From | Christoph Hellwig <> | Subject | Re: alpha fp-emu vs module refcounting |
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On Sat, May 08, 2004 at 02:37:17AM +0400, Ivan Kokshaysky wrote: > Ok, I realize - this seems to be confusing. I'll try to clarify: > - First of all, mere mortals are _not_ allowed to compile mandatory > alpha IEEE fp emulation code as a module. Which is documented > in arch/alpha/Kconfig. > - Roughly speaking, the fp emu _module_ code intercepts the fp traps, > so races vs module loading/unloading are fundamentally unavoidable. > These refcounting attempts just narrow the window. > > And no, try_module_get should never fail here. > > Alternatively, we could just drop _all_ module related stuff from > alpha/math-emu...
either that or just marking it unloadable by removing the cleanup_module handler sound like the simplest solution I guess. - 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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