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| author | Madhavan Srinivasan <maddy@linux.vnet.ibm.com> | 2013-10-01 19:04:10 (GMT) |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-10-03 07:22:53 (GMT) |
| commit | d1211af3049f4c9c1d8d4eb8f8098cc4f4f0d0c7 (patch) | |
| tree | e7dedb4f171f28b2a07f4fc759a5a7de6fc1d1e1 /Documentation/memory-devices | |
| parent | 8f21bd0090052e740944f9397e2be5ac7957ded7 (diff) | |
| download | linux-fsl-qoriq-d1211af3049f4c9c1d8d4eb8f8098cc4f4f0d0c7.tar.xz | |
powerpc/sysfs: Disable writing to PURR in guest mode
arch/powerpc/kernel/sysfs.c exports PURR with write permission.
This may be valid for kernel in phyp mode. But writing to
the file in guest mode causes crash due to a priviledge violation
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: <stable@vger.kernel.org>
Diffstat (limited to 'Documentation/memory-devices')
0 files changed, 0 insertions, 0 deletions