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| author | Ingo Molnar <mingo@kernel.org> | 2017-01-28 09:30:11 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-01-28 09:30:11 +0100 |
| commit | 9a1f4150fe932fb892c05084029b3718b8ed1baf (patch) | |
| tree | b8f18ea5f0bdc842e3cf8da4700c1d577a3b1c66 /arch/powerpc/kernel/eeh.c | |
| parent | f28442497b5caf7bf573ade22a7f8d3559e3ef56 (diff) | |
| parent | 1b1bc42c1692e9b62756323c675a44cb1a1f9dbd (diff) | |
| download | linux-9a1f4150fe932fb892c05084029b3718b8ed1baf.tar.gz linux-9a1f4150fe932fb892c05084029b3718b8ed1baf.tar.bz2 linux-9a1f4150fe932fb892c05084029b3718b8ed1baf.zip | |
Merge branch 'linus' into x86/boot, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/kernel/eeh.c')
| -rw-r--r-- | arch/powerpc/kernel/eeh.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c index 8180bfd7ab93..9de7f79e702b 100644 --- a/arch/powerpc/kernel/eeh.c +++ b/arch/powerpc/kernel/eeh.c @@ -298,9 +298,17 @@ void eeh_slot_error_detail(struct eeh_pe *pe, int severity) * * For pHyp, we have to enable IO for log retrieval. Otherwise, * 0xFF's is always returned from PCI config space. + * + * When the @severity is EEH_LOG_PERM, the PE is going to be + * removed. Prior to that, the drivers for devices included in + * the PE will be closed. The drivers rely on working IO path + * to bring the devices to quiet state. Otherwise, PCI traffic + * from those devices after they are removed is like to cause + * another unexpected EEH error. */ if (!(pe->type & EEH_PE_PHB)) { - if (eeh_has_flag(EEH_ENABLE_IO_FOR_LOG)) + if (eeh_has_flag(EEH_ENABLE_IO_FOR_LOG) || + severity == EEH_LOG_PERM) eeh_pci_enable(pe, EEH_OPT_THAW_MMIO); /* |