The patch titled
Subject: selftest/vm: clarify error statement in gup_test
has been removed from the -mm tree. Its filename was
selftest-vm-clarify-error-statement-in-gup_test.patch
This patch was dropped because an updated version will be merged
------------------------------------------------------
From: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
Subject: selftest/vm: clarify error statement in gup_test
Print two possible reasons /sys/kernel/debug/gup_test cannot be opened to
help users of this test diagnose failures.
Link: https://lkml.kernel.org/r/20220330215257.112029-1-sidhartha.kumar@xxxxxxxxxx
Signed-off-by: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/vm/gup_test.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/tools/testing/selftests/vm/gup_test.c~selftest-vm-clarify-error-statement-in-gup_test
+++ a/tools/testing/selftests/vm/gup_test.c
@@ -206,7 +206,9 @@ int main(int argc, char **argv)
gup_fd = open("/sys/kernel/debug/gup_test", O_RDWR);
if (gup_fd == -1) {
- perror("open");
+ perror("failed to open /sys/kernel/debug/gup_test");
+ printf("check if CONFIG_GUP_TEST is enabled in kernel config\n");
+ printf("check if debugfs is mounted at /sys/kernel/debug\n");
exit(1);
}
_
Patches currently in -mm which might be from sidhartha.kumar@xxxxxxxxxx are
