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ringtest: use link-time optimization

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By using -flto and -fwhole-program, all functions from the ring implementation
can be treated as static and possibly inlined.  Force this to happen through
the GCC flatten attribute.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Paolo Bonzini
2016-10-06 11:39:10 +02:00
committed by Michael S. Tsirkin
parent 8424af5336
commit 44d65ea161
2 changed files with 4 additions and 4 deletions
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4
tools/virtio/ringtest/main.c
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@@ -96,7 +96,7 @@ void set_affinity(const char *arg)
assert(!ret);
}
static void run_guest(void)
static void __attribute__((__flatten__)) run_guest(void)
{
int completed_before;
int completed = 0;
@@ -149,7 +149,7 @@ static void run_guest(void)
}
}
static void run_host(void)
static void __attribute__((__flatten__)) run_host(void)
{
int completed_before;
int completed = 0;