Revision 32ffa4f71e10009498ae6b54da65ab316db967bd authored by Axel Rasmussen on 19 May 2021, 20:03:33 UTC, committed by Paolo Bonzini on 27 May 2021, 11:45:55 UTC
This is a preparatory commit needed before we can use different kinds of backing pages for guest memory. Previously, we used perf_test_args.host_page_size, which is the host's native page size (commonly 4K). For VM_MEM_SRC_ANONYMOUS this turns out to be okay, but in a follow-up commit we want to allow using different kinds of backing memory. Take VM_MEM_SRC_ANONYMOUS_HUGETLB for example. Without this change, if we used that backing page type, when we issued a UFFDIO_COPY ioctl we'd only do so with 4K, rather than the full 2M of a backing hugepage. In this case, UFFDIO_COPY returns -EINVAL (__mcopy_atomic_hugetlb checks the size). Signed-off-by: Axel Rasmussen <axelrasmussen@google.com> Message-Id: <20210519200339.829146-5-axelrasmussen@google.com> Reviewed-by: Ben Gardon <bgardon@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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File | Mode | Size |
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Kconfig | -rw-r--r-- | 7.7 KB |
Makefile | -rw-r--r-- | 1.9 KB |
altera-cvp.c | -rw-r--r-- | 19.0 KB |
altera-fpga2sdram.c | -rw-r--r-- | 4.9 KB |
altera-freeze-bridge.c | -rw-r--r-- | 6.8 KB |
altera-hps2fpga.c | -rw-r--r-- | 5.8 KB |
altera-pr-ip-core-plat.c | -rw-r--r-- | 1.3 KB |
altera-pr-ip-core.c | -rw-r--r-- | 4.9 KB |
altera-ps-spi.c | -rw-r--r-- | 8.2 KB |
dfl-afu-dma-region.c | -rw-r--r-- | 10.3 KB |
dfl-afu-error.c | -rw-r--r-- | 6.2 KB |
dfl-afu-main.c | -rw-r--r-- | 23.2 KB |
dfl-afu-region.c | -rw-r--r-- | 4.1 KB |
dfl-afu.h | -rw-r--r-- | 3.2 KB |
dfl-fme-br.c | -rw-r--r-- | 2.5 KB |
dfl-fme-error.c | -rw-r--r-- | 9.6 KB |
dfl-fme-main.c | -rw-r--r-- | 18.9 KB |
dfl-fme-mgr.c | -rw-r--r-- | 9.0 KB |
dfl-fme-perf.c | -rw-r--r-- | 29.5 KB |
dfl-fme-pr.c | -rw-r--r-- | 11.4 KB |
dfl-fme-pr.h | -rw-r--r-- | 2.0 KB |
dfl-fme-region.c | -rw-r--r-- | 2.1 KB |
dfl-fme.h | -rw-r--r-- | 1.3 KB |
dfl-n3000-nios.c | -rw-r--r-- | 17.7 KB |
dfl-pci.c | -rw-r--r-- | 10.8 KB |
dfl.c | -rw-r--r-- | 46.2 KB |
dfl.h | -rw-r--r-- | 15.6 KB |
fpga-bridge.c | -rw-r--r-- | 12.1 KB |
fpga-mgr.c | -rw-r--r-- | 20.2 KB |
fpga-region.c | -rw-r--r-- | 8.4 KB |
ice40-spi.c | -rw-r--r-- | 5.2 KB |
machxo2-spi.c | -rw-r--r-- | 9.3 KB |
of-fpga-region.c | -rw-r--r-- | 12.0 KB |
socfpga-a10.c | -rw-r--r-- | 15.3 KB |
socfpga.c | -rw-r--r-- | 16.8 KB |
stratix10-soc.c | -rw-r--r-- | 12.0 KB |
ts73xx-fpga.c | -rw-r--r-- | 3.6 KB |
xilinx-pr-decoupler.c | -rw-r--r-- | 4.4 KB |
xilinx-spi.c | -rw-r--r-- | 6.5 KB |
zynq-fpga.c | -rw-r--r-- | 17.2 KB |
zynqmp-fpga.c | -rw-r--r-- | 2.9 KB |
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