[PATCH] powerpc/powernv: Avoid to set EEH_PE_ISOLATED for passed PE
From: Mike Qiu <hidden>
Date: 2014-08-13 11:14:28
Subsystem:
linux for powerpc (32-bit and 64-bit), pci enhanced error handling (eeh) for powerpc, the rest · Maintainers:
Madhavan Srinivasan, Mahesh J Salgaonkar, Linus Torvalds
When PE passed to guest, and guest EEH occured with this PE, EEH_PE_ISOLATED maybe set in host. It is a big issue when the PE is reused by host, host EEH will not work on this PE because it was set to EEH_PE_ISOLATED unexpectly. Signed-off-by: Mike Qiu <redacted> --- arch/powerpc/platforms/powernv/eeh-ioda.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/platforms/powernv/eeh-ioda.c b/arch/powerpc/platforms/powernv/eeh-ioda.c
index c945bed..e88eaf6 100644
--- a/arch/powerpc/platforms/powernv/eeh-ioda.c
+++ b/arch/powerpc/platforms/powernv/eeh-ioda.c@@ -371,7 +371,8 @@ static int ioda_eeh_get_pe_state(struct eeh_pe *pe) !(result & EEH_STATE_UNAVAILABLE) && !(result & EEH_STATE_MMIO_ACTIVE) && !(result & EEH_STATE_DMA_ACTIVE) && - !(pe->state & EEH_PE_ISOLATED)) { + !(pe->state & EEH_PE_ISOLATED) && + !eeh_pe_passed(pe)) { if (phb->freeze_pe) phb->freeze_pe(phb, pe->addr);
--
1.8.1.4