Re: [PATCH] module: Use binary search in lookup_symbol()

From: Joe Perches
Date: Mon May 16 2011 - 17:08:29 EST


On Mon, 2011-05-16 at 14:01 -0700, Joe Perches wrote:
> On Mon, 2011-05-16 at 22:23 +0200, Alessio Igor Bogani wrote:
> > Signed-off-by: Alessio Igor Bogani <abogani@xxxxxxxxxx>
> > diff --git a/kernel/module.c b/kernel/module.c
> > @@ -2055,10 +2055,8 @@ static const struct kernel_symbol *lookup_symbol(const char *name,
> > const struct kernel_symbol *stop)
> > {
> > const struct kernel_symbol *ks = start;
> > - for (; ks < stop; ks++)
> > - if (strcmp(ks->name, name) == 0)
> > - return ks;
> > - return NULL;
> > + return bsearch(name, start, stop - start,
> > + sizeof(struct kernel_symbol), cmp_name);
[]
> why cmp_name and not strcmp?

Nevermind, cmp_name is obviously correct.

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