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| author | Russ Anderson <rja@efs.americas.sgi.com> | 2005-11-04 13:39:38 -0600 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2005-11-08 10:00:56 -0800 |
| commit | a14f25a076a8e5040d6f4e93f84034c81bcddbf7 (patch) | |
| tree | ff6c0d93ff410d549ee887001341b118574a4234 /arch/ia64 | |
| parent | f093182d313edde9b1f86dbdaf40ba4da2dbd0e7 (diff) | |
| download | kernel_goldelico_gta04-a14f25a076a8e5040d6f4e93f84034c81bcddbf7.zip kernel_goldelico_gta04-a14f25a076a8e5040d6f4e93f84034c81bcddbf7.tar.gz kernel_goldelico_gta04-a14f25a076a8e5040d6f4e93f84034c81bcddbf7.tar.bz2 | |
[IA64] MCA recovery based on PSP bits
The determination of whether an MCA is recoverable or not must
be based on the bits set in the PSP (Processor State Parameter).
The specific bits are shown in the Intel IA-64 Architecture Software
Developer's Manual, Vol 2, Table 11-6 Software Recovery Bits in
Processor State Parameter. Those bits should be consistent
across the entire IA-64 family of processors.
Signed-off-by: Russ Anderson <rja@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/kernel/mca_drv.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c index f081c60..eb860e2 100644 --- a/arch/ia64/kernel/mca_drv.c +++ b/arch/ia64/kernel/mca_drv.c @@ -546,9 +546,20 @@ recover_from_processor_error(int platform, slidx_table_t *slidx, (pal_processor_state_info_t*)peidx_psp(peidx); /* - * We cannot recover errors with other than bus_check. + * Processor recovery status must key off of the PAL recovery + * status in the Processor State Parameter. */ - if (psp->cc || psp->rc || psp->uc) + + /* + * The machine check is corrected. + */ + if (psp->cm == 1) + return 1; + + /* + * The error was not contained. Software must be reset. + */ + if (psp->us || psp->ci == 0) return 0; /* @@ -569,8 +580,6 @@ recover_from_processor_error(int platform, slidx_table_t *slidx, return 0; if (pbci->eb && pbci->bsi > 0) return 0; - if (psp->ci == 0) - return 0; /* * This is a local MCA and estimated as recoverble external bus error. |