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x86/xen: allow privcmd hypercalls to be preempted
[deliverable/linux.git]
/
arch
/
x86
/
kernel
/
entry_64.S
diff --git
a/arch/x86/kernel/entry_64.S
b/arch/x86/kernel/entry_64.S
index db13655c3a2aff4a4475a9adf6ce1cb5b3639220..10074ad9ebf85ed82e552f055baebfa6bb3169f2 100644
(file)
--- a/
arch/x86/kernel/entry_64.S
+++ b/
arch/x86/kernel/entry_64.S
@@
-1208,6
+1208,9
@@
ENTRY(xen_do_hypervisor_callback) # do_hypervisor_callback(struct *pt_regs)
popq %rsp
CFI_DEF_CFA_REGISTER rsp
decl PER_CPU_VAR(irq_count)
+#ifndef CONFIG_PREEMPT
+ call xen_maybe_preempt_hcall
+#endif
jmp error_exit
CFI_ENDPROC
END(xen_do_hypervisor_callback)
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