crypto: testmgr - add some more preemption points

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>

diff --git a/crypto/testmgr.c b/crypto/testmgr.c
index 2ba0c48..f7fdd7f 100644 (file)
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -1496,6 +1496,7 @@ static int test_hash_vec(const char *driver, const struct hash_testvec *vec,
                                                req, desc, tsgl, hashstate);
                        if (err)
                                return err;
+                       cond_resched();
                }
        }
 #endif
@@ -1764,6 +1765,7 @@ static int __alg_test_hash(const struct hash_testvec *vecs,
                                    hashstate);
                if (err)
                        goto out;
+               cond_resched();
        }
        err = test_hash_vs_generic_impl(driver, generic_driver, maxkeysize, req,
                                        desc, tsgl, hashstate);
@@ -2028,6 +2030,7 @@ static int test_aead_vec(const char *driver, int enc,
                                                &cfg, req, tsgls);
                        if (err)
                                return err;
+                       cond_resched();
                }
        }
 #endif
@@ -2267,6 +2270,7 @@ static int test_aead(const char *driver, int enc,
                                    tsgls);
                if (err)
                        return err;
+               cond_resched();
        }
        return 0;
 }
@@ -2609,6 +2613,7 @@ static int test_skcipher_vec(const char *driver, int enc,
                                                    &cfg, req, tsgls);
                        if (err)
                                return err;
+                       cond_resched();
                }
        }
 #endif
@@ -2808,6 +2813,7 @@ static int test_skcipher(const char *driver, int enc,
                                        tsgls);
                if (err)
                        return err;
+               cond_resched();
        }
        return 0;
 }