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| author | Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com> | 2013-10-30 20:06:13 +0530 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-12-05 16:06:06 +1100 |
| commit | b63a0ffe35de7e5f9b907bbc2c783e702f7e15af (patch) | |
| tree | 4ec5c5261fcfcb9789f7ff5a36852fada5dc8564 /drivers/macintosh | |
| parent | 28446de2ce9992f6d13e4594a25fc9c3b9f4517b (diff) | |
| download | talos-obmc-linux-b63a0ffe35de7e5f9b907bbc2c783e702f7e15af.tar.gz talos-obmc-linux-b63a0ffe35de7e5f9b907bbc2c783e702f7e15af.zip | |
powerpc/powernv: Machine check exception handling.
Add basic error handling in machine check exception handler.
- If MSR_RI isn't set, we can not recover.
- Check if disposition set to OpalMCE_DISPOSITION_RECOVERED.
- Check if address at fault is inside kernel address space, if not then send
SIGBUS to process if we hit exception when in userspace.
- If address at fault is not provided then and if we get a synchronous machine
check while in userspace then kill the task.
Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'drivers/macintosh')
0 files changed, 0 insertions, 0 deletions
