cryptoapi 2.5->2.4 backport

From: Frank Cusack (fcusack@fcusack.com)
Date: Fri Jun 13 2003 - 05:58:45 EST

Any problem with just changing crypto/cipher.c:

    enum km_type crypto_km_types[] = {
            KM_USER0,
            KM_USER1,
            KM_SOFTIRQ0,
            KM_SOFTIRQ1,
    };

to

    enum km_type crypto_km_types[] = {
            KM_USER0,
            KM_USER1,
            KM_USER0,
            KM_USER1,
    };

?

(or the equivalent change in crypto/internal.h)

static inline enum km_type crypto_kmap_type(int out)
{
        return crypto_km_types[(in_softirq() ? 2 : 0) + out];
}

static inline void *crypto_kmap(struct page *page, int out)
{
        return kmap_atomic(page, crypto_kmap_type(out));
}

thanks
/fc
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