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| author |   Sebastian Ott <sebott@linux.vnet.ibm.com> | 2017-12-01 18:47:32 +0100 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-12-13 10:51:33 +0100 |
| commit | a5f1005517534aeb1fac20180badfbf0896c183c (patch) | |
| tree | 24c450680c2879193ff6d12f71411c3a479c4919 /arch/s390/kernel/vdso64/getcpu.S | |
| parent | Merge tag 'platform-drivers-x86-v4.15-3' of git://git.infradead.org/linux-platform-drivers-x86 (diff) | |
| download | linux-dev-a5f1005517534aeb1fac20180badfbf0896c183c.tar.xz linux-dev-a5f1005517534aeb1fac20180badfbf0896c183c.zip | |
s390/pci: handle insufficient resources during dma tlb flush
In a virtualized setup lazy flushing can lead to the hypervisor
running out of resources when lots of guest pages need to be
pinned. In this situation simply trigger a global flush to give
the hypervisor a chance to free some of these resources.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/vdso64/getcpu.S')
0 files changed, 0 insertions, 0 deletions