The patch titled
Add try_to_freeze() to rt-test kthreads
has been added to the -mm tree. Its filename is
add-try_to_freeze-to-rt-test-kthreads.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Add try_to_freeze() to rt-test kthreads
From: Luca Tettamanti <kronos.it@xxxxxxxxx>
When CONFIG_RT_MUTEX_TESTER is enabled kernel refuses to suspend the
machine because it's unable to freeze the rt-test-* threads.
Add try_to_freeze() after schedule() so that the threads will be freezed
correctly; I've tested the patch and it lets the notebook suspends and
resumes nicely.
Signed-off-by: Luca Tettamanti <kronos.it@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Acked-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
kernel/rtmutex-tester.c | 1 +
1 files changed, 1 insertion(+)
diff -puN kernel/rtmutex-tester.c~add-try_to_freeze-to-rt-test-kthreads kernel/rtmutex-tester.c
--- a/kernel/rtmutex-tester.c~add-try_to_freeze-to-rt-test-kthreads
+++ a/kernel/rtmutex-tester.c
@@ -275,6 +275,7 @@ static int test_func(void *data)
/* Wait for the next command to be executed */
schedule();
+ try_to_freeze();
if (signal_pending(current))
flush_signals(current);
_
Patches currently in -mm which might be from kronos.it@xxxxxxxxx are
add-try_to_freeze-to-rt-test-kthreads.patch
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