Commit 9f0acf9f authored Nov 03, 2019 by Chris Smart Committed by Michael Ellerman Nov 13, 2019

powerpc/crypto: Add cond_resched() in crc-vpmsum self-test

The stress test for vpmsum implementations executes a long for loop in
the kernel. This blocks the scheduler, which prevents other tasks from
running, resulting in a warning.

This fix adds a call to cond_reshed() at the end of each loop, which
allows the scheduler to run other tasks as required.

Signed-off-by: Chris Smart <chris.smart@humanservices.gov.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20191103233356.5472-1-chris.smart@humanservices.gov.au

parent b1713975

arch/powerpc/crypto/crc-vpmsum_test.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -103,6 +103,7 @@ static int __init crc_test_init(void)
		crc32, verify32, len);
		break;
		}
		cond_resched();
		}
		pr_info("crc-vpmsum_test done, completed %lu iterations\n", i);
		} while (0);