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 |
---|---|---|
acpica | ||
apei | ||
arm64 | ||
dptf | ||
nfit | ||
numa | ||
pmic | ||
x86 | ||
Kconfig | -rw-r--r-- | 17.2 KB |
Makefile | -rw-r--r-- | 3.4 KB |
ac.c | -rw-r--r-- | 8.3 KB |
acpi_adxl.c | -rw-r--r-- | 4.7 KB |
acpi_amba.c | -rw-r--r-- | 3.0 KB |
acpi_apd.c | -rw-r--r-- | 6.3 KB |
acpi_cmos_rtc.c | -rw-r--r-- | 2.0 KB |
acpi_configfs.c | -rw-r--r-- | 6.5 KB |
acpi_dbg.c | -rw-r--r-- | 17.8 KB |
acpi_extlog.c | -rw-r--r-- | 8.3 KB |
acpi_fpdt.c | -rw-r--r-- | 6.5 KB |
acpi_ipmi.c | -rw-r--r-- | 16.4 KB |
acpi_lpat.c | -rw-r--r-- | 4.0 KB |
acpi_lpit.c | -rw-r--r-- | 4.2 KB |
acpi_lpss.c | -rw-r--r-- | 35.3 KB |
acpi_memhotplug.c | -rw-r--r-- | 9.2 KB |
acpi_pad.c | -rw-r--r-- | 11.8 KB |
acpi_platform.c | -rw-r--r-- | 4.7 KB |
acpi_pnp.c | -rw-r--r-- | 13.6 KB |
acpi_processor.c | -rw-r--r-- | 22.7 KB |
acpi_tad.c | -rw-r--r-- | 15.3 KB |
acpi_video.c | -rw-r--r-- | 59.0 KB |
acpi_watchdog.c | -rw-r--r-- | 4.5 KB |
battery.c | -rw-r--r-- | 37.5 KB |
bgrt.c | -rw-r--r-- | 2.8 KB |
blacklist.c | -rw-r--r-- | 3.7 KB |
bus.c | -rw-r--r-- | 35.4 KB |
button.c | -rw-r--r-- | 17.0 KB |
container.c | -rw-r--r-- | 2.6 KB |
cppc_acpi.c | -rw-r--r-- | 40.2 KB |
custom_method.c | -rw-r--r-- | 2.1 KB |
debugfs.c | -rw-r--r-- | 391 bytes |
device_pm.c | -rw-r--r-- | 37.0 KB |
device_sysfs.c | -rw-r--r-- | 15.9 KB |
dock.c | -rw-r--r-- | 16.3 KB |
ec.c | -rw-r--r-- | 57.1 KB |
ec_sys.c | -rw-r--r-- | 3.1 KB |
event.c | -rw-r--r-- | 4.2 KB |
evged.c | -rw-r--r-- | 4.6 KB |
fan.c | -rw-r--r-- | 12.3 KB |
glue.c | -rw-r--r-- | 8.9 KB |
hed.c | -rw-r--r-- | 1.9 KB |
internal.h | -rw-r--r-- | 9.1 KB |
ioapic.c | -rw-r--r-- | 5.9 KB |
irq.c | -rw-r--r-- | 9.0 KB |
nvs.c | -rw-r--r-- | 4.6 KB |
osi.c | -rw-r--r-- | 13.1 KB |
osl.c | -rw-r--r-- | 42.9 KB |
pci_irq.c | -rw-r--r-- | 13.1 KB |
pci_link.c | -rw-r--r-- | 22.9 KB |
pci_mcfg.c | -rw-r--r-- | 9.1 KB |
pci_root.c | -rw-r--r-- | 25.5 KB |
pci_slot.c | -rw-r--r-- | 4.7 KB |
platform_profile.c | -rw-r--r-- | 4.1 KB |
power.c | -rw-r--r-- | 25.2 KB |
pptt.c | -rw-r--r-- | 23.5 KB |
proc.c | -rw-r--r-- | 3.4 KB |
processor_core.c | -rw-r--r-- | 9.1 KB |
processor_driver.c | -rw-r--r-- | 8.8 KB |
processor_idle.c | -rw-r--r-- | 34.2 KB |
processor_pdc.c | -rw-r--r-- | 4.6 KB |
processor_perflib.c | -rw-r--r-- | 19.1 KB |
processor_thermal.c | -rw-r--r-- | 5.9 KB |
processor_throttling.c | -rw-r--r-- | 30.6 KB |
property.c | -rw-r--r-- | 36.8 KB |
reboot.c | -rw-r--r-- | 2.0 KB |
resource.c | -rw-r--r-- | 22.6 KB |
sbs.c | -rw-r--r-- | 19.1 KB |
sbshc.c | -rw-r--r-- | 7.1 KB |
sbshc.h | -rw-r--r-- | 946 bytes |
scan.c | -rw-r--r-- | 61.1 KB |
sleep.c | -rw-r--r-- | 25.8 KB |
sleep.h | -rw-r--r-- | 972 bytes |
spcr.c | -rw-r--r-- | 5.8 KB |
sysfs.c | -rw-r--r-- | 26.7 KB |
tables.c | -rw-r--r-- | 22.9 KB |
thermal.c | -rw-r--r-- | 31.0 KB |
tiny-power-button.c | -rw-r--r-- | 1.2 KB |
utils.c | -rw-r--r-- | 24.9 KB |
video_detect.c | -rw-r--r-- | 14.7 KB |
wakeup.c | -rw-r--r-- | 4.6 KB |
Computing file changes ...