[PATCH AUTOSEL 5.1 086/219] crypto: testmgr - add some more preemption points

Sasha Levin
2019-07-15T14:08:48Z

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 8386038d67c7..51540dbee23b 100644
--- a/crypto/testmgr.c
+++ b/crypto/testmgr.c
@@ -1050,6 +1050,7 @@ static int test_hash_vec(const char *driver, const struct hash_testvec *vec,
req, tsgl, hashstate);
if (err)
return err;
+ cond_resched();
}
}
#endif
@@ -1105,6 +1106,7 @@ 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 = 0;
out:
@@ -1346,6 +1348,7 @@ static int test_aead_vec(const char *driver, int enc,
&cfg, req, tsgls);
if (err)
return err;
+ cond_resched();
}
}
#endif
@@ -1365,6 +1368,7 @@ static int test_aead(const char *driver, int enc,
tsgls);
if (err)
return err;
+ cond_resched();
}
return 0;
}
@@ -1679,6 +1683,7 @@ static int test_skcipher_vec(const char *driver, int enc,
&cfg, req, tsgls);
if (err)
return err;
+ cond_resched();
}
}
#endif
@@ -1698,6 +1703,7 @@ static int test_skcipher(const char *driver, int enc,
tsgls);
if (err)
return err;
+ cond_resched();
}
return 0;
}
--
2.20.1