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 |
|---|---|---|
| hvc | ||
| ipwireless | ||
| serdev | ||
| serial | ||
| vt | ||
| Kconfig | -rw-r--r-- | 13.1 KB |
| Makefile | -rw-r--r-- | 1.0 KB |
| amiserial.c | -rw-r--r-- | 42.0 KB |
| ehv_bytechan.c | -rw-r--r-- | 21.7 KB |
| goldfish.c | -rw-r--r-- | 12.0 KB |
| mips_ejtag_fdc.c | -rw-r--r-- | 35.2 KB |
| moxa.c | -rw-r--r-- | 52.1 KB |
| moxa.h | -rw-r--r-- | 8.5 KB |
| mxser.c | -rw-r--r-- | 70.2 KB |
| mxser.h | -rw-r--r-- | 4.5 KB |
| n_gsm.c | -rw-r--r-- | 79.2 KB |
| n_hdlc.c | -rw-r--r-- | 22.4 KB |
| n_null.c | -rw-r--r-- | 1.3 KB |
| n_r3964.c | -rw-r--r-- | 31.2 KB |
| n_tty.c | -rw-r--r-- | 62.3 KB |
| nozomi.c | -rw-r--r-- | 45.9 KB |
| pty.c | -rw-r--r-- | 24.5 KB |
| synclink_gt.c | -rw-r--r-- | 128.2 KB |
| sysrq.c | -rw-r--r-- | 27.5 KB |
| tty.h | -rw-r--r-- | 4.0 KB |
| tty_audit.c | -rw-r--r-- | 5.6 KB |
| tty_baudrate.c | -rw-r--r-- | 6.6 KB |
| tty_buffer.c | -rw-r--r-- | 16.3 KB |
| tty_io.c | -rw-r--r-- | 88.0 KB |
| tty_ioctl.c | -rw-r--r-- | 22.4 KB |
| tty_jobctrl.c | -rw-r--r-- | 14.4 KB |
| tty_ldisc.c | -rw-r--r-- | 21.0 KB |
| tty_ldsem.c | -rw-r--r-- | 10.5 KB |
| tty_mutex.c | -rw-r--r-- | 1.2 KB |
| tty_port.c | -rw-r--r-- | 18.2 KB |
| ttynull.c | -rw-r--r-- | 2.3 KB |
| vcc.c | -rw-r--r-- | 22.1 KB |
Computing file changes ...
