提交 c9960863 编写于 作者: J Jeremy Fitzhardinge 提交者: Ingo Molnar

x86, xen: do multicall callbacks with interrupts disabled

We can't call the callbacks after enabling interrupts, as we may get a
nested multicall call, which would cause a great deal of havok.
Signed-off-by: NJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
上级 3d39e9d0
......@@ -170,8 +170,6 @@ void xen_mc_flush(void)
} else
BUG_ON(b->argidx != 0);
local_irq_restore(flags);
for (i = 0; i < b->cbidx; i++) {
struct callback *cb = &b->callbacks[i];
......@@ -179,6 +177,8 @@ void xen_mc_flush(void)
}
b->cbidx = 0;
local_irq_restore(flags);
WARN_ON(ret);
}
......
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