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    Subject[PATCH AUTOSEL 5.2 098/249] crypto: testmgr - add some more preemption points
    Date
    From: Eric Biggers <ebiggers@google.com>

    [ Upstream commit e63e1b0dd0003dc31f73d875907432be3a2abe5d ]

    Call cond_resched() after each fuzz test iteration. This avoids stall
    warnings if fuzz_iterations is set very high for testing purposes.

    While we're at it, also call cond_resched() after finishing testing each
    test vector.

    Signed-off-by: Eric Biggers <ebiggers@google.com>
    Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    crypto/testmgr.c | 6 ++++++
    1 file changed, 6 insertions(+)

    diff --git a/crypto/testmgr.c b/crypto/testmgr.c
    index 658a7eeebab2..292d28caf00f 100644
    --- a/crypto/testmgr.c
    +++ b/crypto/testmgr.c
    @@ -1279,6 +1279,7 @@ static int test_hash_vec(const char *driver, const struct hash_testvec *vec,
    req, tsgl, hashstate);
    if (err)
    return err;
    + cond_resched();
    }
    }
    #endif
    @@ -1493,6 +1494,7 @@ static int __alg_test_hash(const struct hash_testvec *vecs,
    err = test_hash_vec(driver, &vecs[i], i, req, tsgl, hashstate);
    if (err)
    goto out;
    + cond_resched();
    }
    err = test_hash_vs_generic_impl(driver, generic_driver, maxkeysize, req,
    tsgl, hashstate);
    @@ -1755,6 +1757,7 @@ static int test_aead_vec(const char *driver, int enc,
    &cfg, req, tsgls);
    if (err)
    return err;
    + cond_resched();
    }
    }
    #endif
    @@ -1994,6 +1997,7 @@ static int test_aead(const char *driver, int enc,
    tsgls);
    if (err)
    return err;
    + cond_resched();
    }
    return 0;
    }
    @@ -2336,6 +2340,7 @@ static int test_skcipher_vec(const char *driver, int enc,
    &cfg, req, tsgls);
    if (err)
    return err;
    + cond_resched();
    }
    }
    #endif
    @@ -2535,6 +2540,7 @@ static int test_skcipher(const char *driver, int enc,
    tsgls);
    if (err)
    return err;
    + cond_resched();
    }
    return 0;
    }
    --
    2.20.1
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