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# Date Author Comment
e2ea3515 05/30/2013 07:37 pm Laszlo Ersek

osdep: add qemu_get_local_state_pathname()

This function returns ${prefix}/var/RELATIVE_PATHNAME on POSIX-y systems,
and <CSIDL_COMMON_APPDATA>/RELATIVE_PATHNAME on Win32.

http://msdn.microsoft.com/en-us/library/bb762494.aspx

[...] This folder is used for application data that is not user...
6eebf958 05/14/2013 04:53 pm Paolo Bonzini

osdep, kvm: rename low-level RAM allocation functions

This is preparatory to the introduction of a separate freeing API.

Reported-by: Amos Kong <>
Signed-off-by: Paolo Bonzini <>
Reviewed-by: Amos Kong <>...
e7a09b92 05/14/2013 04:53 pm Paolo Bonzini

osdep: introduce qemu_anon_ram_free to free qemu_anon_ram_alloc-ed memory

We switched from qemu_memalign to mmap() but then we don't modify
qemu_vfree() to do a munmap() over free(). Which we cannot do
because qemu_vfree() frees memory allocated by qemu_{mem,block}align....
7dda5dc8 04/17/2013 12:10 am Paolo Bonzini

migration: initialize RAM to zero

Using qemu_memalign only leaves the RAM zero by chance, because libc
will usually use mmap to satisfy our huge requests. But memory will
not be zero when using MALLOC_PERTURB_ with a nonzero value. In the
case of incoming migration, this breaks a recently-introduced...
f9e8cacc 04/02/2013 06:47 pm Stefan Hajnoczi

oslib-posix: rename socket_set_nonblock() to qemu_set_nonblock()

The fcntl(fd, F_SETFL, O_NONBLOCK) flag is not specific to sockets.
Rename to qemu_set_nonblock() just like qemu_set_cloexec().

Signed-off-by: Stefan Hajnoczi <>
Reviewed-by: Eric Blake <>...
2e07b297 03/05/2013 02:34 am Peter Maydell

oslib-posix: Align to permit transparent hugepages on ARM Linux

ARM Linux (like x86-64 Linux) can use transparent hugepages for
KVM if memory blocks are 2MiB aligned; set QEMU_VMALLOC_ALIGN
accordingly.

Signed-off-by: Peter Maydell <>...
0360ccff 01/26/2013 03:18 pm Blue Swirl

bsd-user: avoid conflict with qemu_vmalloc

Rename qemu_vmalloc() to bsd_vmalloc(), adjust the only user.

Remove #ifdeffery in oslib-posix.c.

Tested-by: Andreas Färber <>
Signed-off-by: Blue Swirl <>
baacf047 01/12/2013 07:42 pm Paolo Bonzini

build: move libqemuutil.a components to util/

Signed-off-by: Paolo Bonzini <>