| commit | c1d2a31397ec51f0370f6bd17b19b39152c263cb | [log] [tgz] |
|---|---|---|
| author | Nicholas Piggin <npiggin@gmail.com> | Tue May 15 01:59:47 2018 +1000 |
| committer | Michael Ellerman <mpe@ellerman.id.au> | Fri May 18 00:23:07 2018 +1000 |
| tree | 9962f0d0a9da497be14ef59ed624a5a15befc85f | |
| parent | 497a0790e2c604366b9e35dcb41310319e9bca13 [diff] |
powerpc/powernv: Fix NVRAM sleep in invalid context when crashing
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>