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linux-stable/arch/powerpc
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Alexey Kardashevskiy 01b7d128b5 KVM: PPC: Book3S: Invalidate multiple TCEs at once 
Invalidating a TCE cache entry for each updated TCE is quite expensive.
This makes use of the new iommu_table_ops::xchg_no_kill()/tce_kill()
callbacks to bring down the time spent in mapping a huge guest DMA window;
roughly 20s to 10s for each guest's 100GB of DMA space.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Acked-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190829085252.72370-3-aik@ozlabs.ru
2019-08-30 09:40:14 +10:00
..
boot powerpc updates for 5.3 2019-07-13 16:08:36 -07:00
configs powerpc updates for 5.3 2019-07-13 16:08:36 -07:00
crypto treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
include powerpc/powernv/ioda: Split out TCE invalidation from TCE updates 2019-08-30 09:40:14 +10:00
kernel powerpc/powernv/ioda: Split out TCE invalidation from TCE updates 2019-08-30 09:40:14 +10:00
kvm KVM: PPC: Book3S: Invalidate multiple TCEs at once 2019-08-30 09:40:14 +10:00
lib powerpc updates for 5.3 2019-07-13 16:08:36 -07:00
math-emu treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
mm powerpc fixes for 5.3 #2 2019-07-24 09:58:39 -07:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-17 20:20:36 -07:00
oprofile treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
perf powerpc updates for 5.3 2019-07-13 16:08:36 -07:00
platforms powerpc/powernv/ioda: Split out TCE invalidation from TCE updates 2019-08-30 09:40:14 +10:00
purgatory treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
sysdev powerpc/xive: Implement get_irqchip_state method for XIVE to fix shutdown race 2019-08-16 14:16:59 +10:00
tools treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
xmon powerpc updates for 5.3 2019-07-13 16:08:36 -07:00
Kbuild treewide: Add SPDX license identifier - Kbuild 2019-05-30 11:32:33 -07:00
Kconfig powerpc fixes for 5.3 #2 2019-07-24 09:58:39 -07:00
Kconfig.debug powerpc/xmon: add read-only mode 2019-05-03 02:54:57 +10:00
Makefile treewide: prefix header search paths with $(srctree)/ 2019-05-18 11:49:57 +09:00
Makefile.postlink