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-rw-r--r--arch/x86/entry/entry_64_compat.S5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S
index dcc6987f9bae..95ad40eb7eff 100644
--- a/arch/x86/entry/entry_64_compat.S
+++ b/arch/x86/entry/entry_64_compat.S
@@ -306,8 +306,11 @@ ENTRY(entry_INT80_compat)
*/
movl %eax, %eax
- /* Construct struct pt_regs on stack (iret frame is already on stack) */
pushq %rax /* pt_regs->orig_ax */
+
+ /* switch to thread stack expects orig_ax to be pushed */
+ call switch_to_thread_stack
+
pushq %rdi /* pt_regs->di */
pushq %rsi /* pt_regs->si */
pushq %rdx /* pt_regs->dx */