Re: [RFC][PATCH] Prevent overriding of Symbols in the Kernel, avoiding Undefined behaviour

From: Ashutosh Naik
Date: Wed Dec 14 2005 - 00:45:29 EST


On 12/14/05, Rusty Russell <rusty@xxxxxxxxxxxxxxx> wrote:
> We already do this to resolve (more) symbols, so I don't see it as a
> problem. However, I believe that lock is redundant here: we need both
> locks to write the list, but either is sufficient for reading, and we
> already hold the sem.

Was just wondering, in that case, if we really need the spinlock in
resolve_symbol() function, where there exists a spinlock around the
__find_symbol() function

Cheers
Ashutosh
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/