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(parent: 940376b) | patch
powerpc/eeh: Freeze PE before PE reset
authorGavin Shan <gwshan@linux.vnet.ibm.com>
Tue, 30 Sep 2014 02:38:52 +0000 (12:38 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 30 Sep 2014 07:15:07 +0000 (17:15 +1000)
commit0d5ee5205e62908172bf5e1a5fd171ba262fdb75
tree427ac277b994176d914427ea2cb9a07d06fc4636tree | snapshot (tar.gz zip)
parent940376b3a463303787c6227c0327612653bf5600commit | diff
powerpc/eeh: Freeze PE before PE reset

The patch adds one more option (EEH_OPT_FREEZE_PE) to set_option()
method to proactively freeze PE, which will be issued before resetting
pass-throughed PE to drop MMIO access during reset because it's
always contributing to recursive EEH error.

Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/include/asm/eeh.h diff | blob | blame | history
arch/powerpc/kernel/eeh.c diff | blob | blame | history
arch/powerpc/platforms/powernv/eeh-ioda.c diff | blob | blame | history
arch/powerpc/platforms/pseries/eeh_pseries.c diff | blob | blame | history
Motorola kernel-slsi