[patch 182/200] userfaultfd/selftests: always dump something in modes

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From: Peter Xu <peterx@xxxxxxxxxx>
Subject: userfaultfd/selftests: always dump something in modes

Patch series "userfaultfd: selftests: Small fixes".

Some very trivial fixes that I kept locally to userfaultfd selftest
program.  


This patch (of 3):

BOUNCE_POLL is a special bit that if cleared it means "READ" instead. 
Dump that too otherwise we'll see tests with empty modes.

Link: https://lkml.kernel.org/r/20201208024709.7701-1-peterx@xxxxxxxxxx
Link: https://lkml.kernel.org/r/20201208024709.7701-2-peterx@xxxxxxxxxx
Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 tools/testing/selftests/vm/userfaultfd.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/tools/testing/selftests/vm/userfaultfd.c~userfaultfd-selftests-always-dump-something-in-modes
+++ a/tools/testing/selftests/vm/userfaultfd.c
@@ -1291,6 +1291,8 @@ static int userfaultfd_stress(void)
 			printf(" ver");
 		if (bounces & BOUNCE_POLL)
 			printf(" poll");
+		else
+			printf(" read");
 		printf(", ");
 		fflush(stdout);
 
_



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