lguest: fix pending interrupt test.



Denys says:
  TEST with zero will always set ZF. Thus, "jnz send_interrupts" never jumps.

We get interrupts regularly enough that this didn't cause immediate problems.

Reported-by: Denys Vlasenko <vda.linux@googlemail.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

parent c5861658

arch/x86/lguest/head_32.S

+1 −1

Original line number	Diff line number	Diff line
		@@ -84,7 +84,7 @@ ENTRY(lg_irq_enable)
		* set lguest_data.irq_pending to X86_EFLAGS_IF. If it's not zero, we
		* jump to send_interrupts, otherwise we're done.
		*/
		testl $0, lguest_data+LGUEST_DATA_irq_pending
		cmpl $0, lguest_data+LGUEST_DATA_irq_pending
		jnz send_interrupts
		/*
		* One cool thing about x86 is that you can do many things without using