diff options
| author | Mike Travis <mike.travis@hpe.com> | 2019-09-10 09:58:47 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-10-07 13:42:11 +0200 |
| commit | 4fb7d08707565d27ec84a364d011043ade8c38b4 (patch) | |
| tree | 92cb4ef32e7b33f8cd4ef5d6a01387e9840dcca5 /scripts/gdb/linux/timerlist.py | |
| parent | df55029f7ea65d8c653a79dd728918dfe25b1356 (diff) | |
x86/platform/uv: Account for UV Hubless in is_uvX_hub Ops
The references in the is_uvX_hub() function uses the hub_info pointer
which will be NULL when the system is hubless. This change avoids
that NULL dereference. It is also an optimization in performance.
Signed-off-by: Mike Travis <mike.travis@hpe.com>
Reviewed-by: Steve Wahl <steve.wahl@hpe.com>
Reviewed-by: Dimitri Sivanich <dimitri.sivanich@hpe.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Hedi Berriche <hedi.berriche@hpe.com>
Cc: Justin Ernst <justin.ernst@hpe.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <russ.anderson@hpe.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190910145840.294981941@stormcage.eag.rdlabs.hpecorp.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'scripts/gdb/linux/timerlist.py')
0 files changed, 0 insertions, 0 deletions