Messages in this thread | | | Date | Mon, 18 Jun 2007 18:52:25 -0400 | From | Chuck Ebbert <> | Subject | Re: [patch 1/3] Text Edit Lock - i386 |
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On 06/18/2007 05:58 PM, Mathieu Desnoyers wrote: > Interface to use for code patching : uses a mutex to insure mutual edit > exclusion and makes sure the page is writable. > ... > +/* Mutex protecting text section modification (dynamic code patching) */ > +static DEFINE_MUTEX(text_mutex); > +
Probably should be a spinlock.
And it just occurred to me, how does smp_alternatives deal with this? Is it broken now when the text section is read-only? - 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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