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osdep: Move default qemu_hw_version() value to a macro

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The macro will be used by code that will stop calling
qemu_hw_version() at runtime and just need a constant value.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Eduardo Habkost 2016-04-09 16:42:44 -03:00
parent 86cd2ea071
commit d494352c2f
2 changed files with 10 additions and 8 deletions
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9
include/qemu/osdep.h
View File

@ -327,6 +327,15 @@ static inline void qemu_timersub(const struct timeval *val1,
void qemu_set_cloexec(int fd);
/* Starting on QEMU 2.5, qemu_hw_version() returns "2.5+" by default
* instead of QEMU_VERSION, so setting hw_version on MachineClass
* is no longer mandatory.
*
* Do NOT change this string, or it will break compatibility on all
* machine classes that don't set hw_version.
*/
#define QEMU_HW_VERSION "2.5+"
/* QEMU "hardware version" setting. Used to replace code that exposed
* QEMU_VERSION to guests in the past and need to keep compatibility.
* Do not use qemu_hw_version() in new code.

9
util/osdep.c
View File

@ -44,14 +44,7 @@ extern int madvise(caddr_t, size_t, int);
static bool fips_enabled = false;
/* Starting on QEMU 2.5, qemu_hw_version() returns "2.5+" by default
* instead of QEMU_VERSION, so setting hw_version on MachineClass
* is no longer mandatory.
*
* Do NOT change this string, or it will break compatibility on all
* machine classes that don't set hw_version.
*/
static const char *hw_version = "2.5+";
static const char *hw_version = QEMU_HW_VERSION;
int socket_set_cork(int fd, int v)
{