linux/arch
Alistair Popple 419dbd5e1f powerpc/powernv: Fix update of NVLink DMA mask
The emulated NVLink PCI devices share the same IODA2 TCE tables but only
support a single TVT (instead of the normal two for PCI devices). This
requires the kernel to manually replace windows with either the bypass
or non-bypass window depending on what the driver has requested.

Unfortunately an incorrect optimisation was made in
pnv_pci_ioda_dma_set_mask() which caused updating of some NPU device PEs
to be skipped in certain configurations due to an incorrect assumption
that a NULL peer PE in the array indicated there were no more peers
present. This patch fixes the problem by ensuring all peer PEs are
updated.

Fixes: 5d2aa710e6 ("powerpc/powernv: Add support for Nvlink NPUs")
Signed-off-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-01-11 20:30:48 +11:00
..
alpha mm: mlock: add mlock flags to enable VM_LOCKONFAULT usage 2015-11-05 19:34:48 -08:00
arc ARC fixes for 4.4-rc1 2015-11-14 09:09:37 -08:00
arm USB fixes for 4.4-rc2 2015-11-22 13:15:05 -08:00
arm64 arm64 fixes: 2015-11-19 12:21:23 -08:00
avr32 dmaengine updates for 4.4-rc1 2015-11-10 10:05:17 -08:00
blackfin
c6x
cris cris: Drop reference to get_cmos_time() 2015-11-02 20:03:05 +01:00
frv kmap_atomic_to_page() has no users, remove it 2015-11-09 15:11:24 -08:00
h8300 h8300 update for v4.4 2015-11-12 15:26:39 -08:00
hexagon
ia64 Power management and ACPI updates for v4.4-rc1 2015-11-04 18:10:13 -08:00
m32r
m68k block: change ->make_request_fn() and users to return a queue cookie 2015-11-07 10:40:46 -07:00
metag Metag architecture changes for v4.4 2015-11-10 16:24:25 -08:00
microblaze kmap_atomic_to_page() has no users, remove it 2015-11-09 15:11:24 -08:00
mips MIPS: ath79: Add a machine entry for booting OF machines 2015-11-20 15:44:57 +01:00
mn10300
nios2 nios2 update for v4.4-rc1 2015-11-09 16:36:10 -08:00
openrisc
parisc Merge branch 'parisc-4.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux 2015-11-22 12:50:58 -08:00
powerpc powerpc/powernv: Fix update of NVLink DMA mask 2016-01-11 20:30:48 +11:00
s390 s390: remove SALIPL loader 2015-11-16 12:51:11 +01:00
score
sh Merge branch 'akpm' (patches from Andrew) 2015-11-07 14:32:45 -08:00
sparc sparc/sparc64: allocate sys_membarrier system call number 2015-11-09 15:11:24 -08:00
tile kmap_atomic_to_page() has no users, remove it 2015-11-09 15:11:24 -08:00
um um: Switch clocksource to hrtimers 2015-11-06 22:54:49 +01:00
unicore32 pwm: Changes for v4.4-rc1 2015-11-11 09:16:10 -08:00
x86 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-11-22 12:00:12 -08:00
xtensa Merge branch 'for-4.4/io-poll' of git://git.kernel.dk/linux-block 2015-11-10 17:23:49 -08:00
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