diff options
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/elfload.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 653157876c..8699f430b1 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -374,6 +374,11 @@ static int init_guest_commpage(unsigned long guest_base, /* If the commpage lies within the already allocated guest space, * then there is no way we can allocate it. + * + * You may be thinking that that this check is redundant because + * we already validated the guest size against MAX_RESERVED_VA; + * but if qemu_host_page_mask is unusually large, then + * test_page_addr may be lower. */ if (test_page_addr >= guest_base && test_page_addr < (guest_base + guest_size)) { |