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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samsung | ||
tegra | ||
.gitignore | -rw-r--r-- | 63 bytes |
Kconfig | -rw-r--r-- | 8.2 KB |
Makefile | -rw-r--r-- | 1.3 KB |
atmel-ebi.c | -rw-r--r-- | 15.1 KB |
atmel-sdramc.c | -rw-r--r-- | 1.7 KB |
brcmstb_dpfe.c | -rw-r--r-- | 24.9 KB |
bt1-l2-ctl.c | -rw-r--r-- | 7.3 KB |
da8xx-ddrctl.c | -rw-r--r-- | 3.9 KB |
dfl-emif.c | -rw-r--r-- | 5.3 KB |
emif-asm-offsets.c | -rw-r--r-- | 222 bytes |
emif.c | -rw-r--r-- | 53.6 KB |
emif.h | -rw-r--r-- | 19.5 KB |
fsl-corenet-cf.c | -rw-r--r-- | 6.4 KB |
fsl_ifc.c | -rw-r--r-- | 8.2 KB |
jedec_ddr.h | -rw-r--r-- | 4.4 KB |
jedec_ddr_data.c | -rw-r--r-- | 2.9 KB |
jz4780-nemc.c | -rw-r--r-- | 10.5 KB |
mtk-smi.c | -rw-r--r-- | 15.8 KB |
mvebu-devbus.c | -rw-r--r-- | 9.2 KB |
of_memory.c | -rw-r--r-- | 9.6 KB |
of_memory.h | -rw-r--r-- | 1.5 KB |
omap-gpmc.c | -rw-r--r-- | 70.2 KB |
pl172.c | -rw-r--r-- | 7.9 KB |
pl353-smc.c | -rw-r--r-- | 12.2 KB |
renesas-rpc-if.c | -rw-r--r-- | 16.3 KB |
stm32-fmc2-ebi.c | -rw-r--r-- | 30.4 KB |
ti-aemif.c | -rw-r--r-- | 12.6 KB |
ti-emif-pm.c | -rw-r--r-- | 9.3 KB |
ti-emif-sram-pm.S | -rw-r--r-- | 11.0 KB |
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