[PATCH 2/3] powerpc/eeh: Tag reset state for user owned PE
From: Gavin Shan <hidden>
Date: 2014-09-23 01:09:06
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
PE would be owned by userland, which probably request PE reset done in host side. During the reset, we should drop the PCI config accesses to the PE with help of flag EEH_PE_RESET. Signed-off-by: Gavin Shan <redacted> --- arch/powerpc/kernel/eeh.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index 545860f..059aa00 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c@@ -1463,6 +1463,7 @@ int eeh_pe_reset(struct eeh_pe *pe, int option) switch (option) { case EEH_RESET_DEACTIVATE: ret = eeh_ops->reset(pe, option); + eeh_pe_state_clear(pe, EEH_PE_RESET); if (ret) break;
@@ -1477,6 +1478,7 @@ int eeh_pe_reset(struct eeh_pe *pe, int option) */ eeh_ops->set_option(pe, EEH_OPT_FREEZE_PE); + eeh_pe_state_mark(pe, EEH_PE_RESET); ret = eeh_ops->reset(pe, option); break; default:
--
1.8.3.2