On Fri, 2015-04-09 at 18:22:52 UTC, Nishanth Aravamudan wrote:
> The 32-bit TCE table initialization relies on the DMA window having a
> size equal to a power of 2 (and checks for it explicitly). But
> crashkernel= has no constraint that requires a power-of-2 be specified.
> This causes the kdump kernel to fail to boot as none of the PCI devices
> (including the disk controller) are successfully initialized.
>
> After this change, the PCI devices successfully set up the 32-bit TCE
> table and kdump succeeds.
>
> Fixes: aca6913f5551 ("powerpc/powernv/ioda2: Introduce helpers to allocate
> TCE pages")
> Signed-off-by: Nishanth Aravamudan <n...@linux.vnet.ibm.com>
> Cc: sta...@vger.kernel.org # 4.2
> Tested-by: Jan Stancek <jstan...@redhat.com>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/fa14486979b3a47307bcdb10
cheers
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