diff options
| author | Andy Lutomirski <luto@kernel.org> | 2016-09-15 22:45:43 -0700 |
|---|---|---|
| committer | Zubin Mithra <zsm@google.com> | 2017-08-09 15:23:22 +0100 |
| commit | 99cf9fa9a00606ee4d51d876af421362f1818160 (patch) | |
| tree | f9ba930b9a1bfadded5c3dcf5c6722a475f2bd94 /tools/perf/scripts/python/bin | |
| parent | 8bc69d462ad300364c836616b249055ca7cb19e9 (diff) | |
UPSTREAM: sched/core: Add try_get_task_stack() and put_task_stack()
There are a few places in the kernel that access stack memory
belonging to a different task. Before we can start freeing task
stacks before the task_struct is freed, we need a way for those code
paths to pin the stack.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jann Horn <jann@thejh.net>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/17a434f50ad3d77000104f21666575e10a9c1fbd.1474003868.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Bug: 38331309
Change-Id: I414853e9b72ecb0967d5e1cbfc77b4929bf3f4f5
(cherry picked from commit c6c314a613cd7d03fb97713e0d642b493de42e69)
Signed-off-by: Zubin Mithra <zsm@google.com>
Diffstat (limited to 'tools/perf/scripts/python/bin')
0 files changed, 0 insertions, 0 deletions