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-rw-r--r--arch/x86_64/kernel/entry.S12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index 0696e025dce..096d470e280 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -918,3 +918,15 @@ ENTRY(machine_check)
ENTRY(call_debug)
zeroentry do_call_debug
+ENTRY(call_softirq)
+ movq %gs:pda_irqstackptr,%rax
+ pushq %r15
+ movq %rsp,%r15
+ incl %gs:pda_irqcount
+ cmove %rax,%rsp
+ call __do_softirq
+ movq %r15,%rsp
+ decl %gs:pda_irqcount
+ popq %r15
+ ret
+