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Allow all trace-buffer hypercalls to be executed even when tracing is currently disabled.
From: George Dunlap Signed-off-by: Keir Fraser <keir@xensource.com>
This commit is contained in:
kaf24@firebug.cl.cam.ac.uk committed
1 parent
a0746b30b0
commit
6af99de37c
1 file changed
+1
-9
+1
-9
@@ -178,20 +178,12 @@ int tb_control(dom0_tbufcontrol_t *tbc)
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spin_lock(&lock);
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if ( !tb_init_done &&
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(tbc->op != DOM0_TBUF_SET_SIZE) &&
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(tbc->op != DOM0_TBUF_ENABLE) )
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{
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spin_unlock(&lock);
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return -EINVAL;
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}
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switch ( tbc->op )
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{
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case DOM0_TBUF_GET_INFO:
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tbc->cpu_mask = tb_cpu_mask;
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tbc->evt_mask = tb_event_mask;
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tbc->buffer_mfn = __pa(t_bufs[0]) >> PAGE_SHIFT;
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tbc->buffer_mfn = opt_tbuf_size ? virt_to_mfn(t_bufs[0]) : 0UL;
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tbc->size = opt_tbuf_size * PAGE_SIZE;
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break;
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case DOM0_TBUF_SET_CPU_MASK:
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