diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2018-05-15 01:59:47 +1000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-22 18:53:58 +0200 |
| commit | 094595ce570121ecd03011c25eb30716caf845d3 (patch) | |
| tree | 6aefa7ed24f1f97aa1972ac6d70a1152ed7d962c /lib/test_bitmap.c | |
| parent | f4f05f62d3d19fc9c541a9186e511584ff9000b2 (diff) | |
powerpc/powernv: Fix NVRAM sleep in invalid context when crashing
commit c1d2a31397ec51f0370f6bd17b19b39152c263cb upstream.
Similarly to opal_event_shutdown, opal_nvram_write can be called in
the crash path with irqs disabled. Special case the delay to avoid
sleeping in invalid context.
Fixes: 3b8070335f75 ("powerpc/powernv: Fix OPAL NVRAM driver OPAL_BUSY loops")
Cc: stable@vger.kernel.org # v3.2
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/test_bitmap.c')
0 files changed, 0 insertions, 0 deletions