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 |
|---|---|---|
| events | ||
| xen-pciback | ||
| xenbus | ||
| xenfs | ||
| Kconfig | -rw-r--r-- | 10.0 KB |
| Makefile | -rw-r--r-- | 1.6 KB |
| acpi.c | -rw-r--r-- | 2.7 KB |
| arm-device.c | -rw-r--r-- | 4.2 KB |
| balloon.c | -rw-r--r-- | 18.0 KB |
| biomerge.c | -rw-r--r-- | 617 bytes |
| cpu_hotplug.c | -rw-r--r-- | 2.3 KB |
| dbgp.c | -rw-r--r-- | 1.2 KB |
| efi.c | -rw-r--r-- | 8.5 KB |
| evtchn.c | -rw-r--r-- | 16.1 KB |
| features.c | -rw-r--r-- | 803 bytes |
| gntalloc.c | -rw-r--r-- | 15.3 KB |
| gntdev-common.h | -rw-r--r-- | 2.2 KB |
| gntdev-dmabuf.c | -rw-r--r-- | 20.3 KB |
| gntdev-dmabuf.h | -rw-r--r-- | 943 bytes |
| gntdev.c | -rw-r--r-- | 28.1 KB |
| grant-table.c | -rw-r--r-- | 40.4 KB |
| manage.c | -rw-r--r-- | 8.3 KB |
| mcelog.c | -rw-r--r-- | 10.2 KB |
| mem-reservation.c | -rw-r--r-- | 3.2 KB |
| pci.c | -rw-r--r-- | 5.6 KB |
| pcpu.c | -rw-r--r-- | 8.5 KB |
| platform-pci.c | -rw-r--r-- | 4.1 KB |
| privcmd-buf.c | -rw-r--r-- | 4.1 KB |
| privcmd.c | -rw-r--r-- | 22.4 KB |
| privcmd.h | -rw-r--r-- | 180 bytes |
| pvcalls-back.c | -rw-r--r-- | 29.8 KB |
| pvcalls-front.c | -rw-r--r-- | 31.9 KB |
| pvcalls-front.h | -rw-r--r-- | 826 bytes |
| swiotlb-xen.c | -rw-r--r-- | 15.6 KB |
| sys-hypervisor.c | -rw-r--r-- | 12.5 KB |
| time.c | -rw-r--r-- | 4.2 KB |
| unpopulated-alloc.c | -rw-r--r-- | 4.3 KB |
| xen-acpi-pad.c | -rw-r--r-- | 3.7 KB |
| xen-acpi-processor.c | -rw-r--r-- | 17.0 KB |
| xen-balloon.c | -rw-r--r-- | 7.3 KB |
| xen-front-pgdir-shbuf.c | -rw-r--r-- | 14.5 KB |
| xen-scsiback.c | -rw-r--r-- | 46.5 KB |
| xlate_mmu.c | -rw-r--r-- | 7.8 KB |
Computing file changes ...
