From: Juergen Gross <jgross@xxxxxxxx> The backport of upstream patch a2796dff62d6 ("x86/xen: don't do PV iret hypercall through hypercall page") missed to adapt the SLS mitigation config check from CONFIG_MITIGATION_SLS to CONFIG_SLS. Signed-off-by: Juergen Gross <jgross@xxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/x86/xen/xen-asm.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/xen/xen-asm.S b/arch/x86/xen/xen-asm.S index 901b60516683..6231f6efb4ee 100644 --- a/arch/x86/xen/xen-asm.S +++ b/arch/x86/xen/xen-asm.S @@ -221,7 +221,7 @@ SYM_CODE_END(xen_early_idt_handler_array) push %rax mov $__HYPERVISOR_iret, %eax syscall /* Do the IRET. */ -#ifdef CONFIG_MITIGATION_SLS +#ifdef CONFIG_SLS int3 #endif .endm -- 2.43.0 Patches currently in stable-queue which might be from jgross@xxxxxxxx are queue-5.4/x86-xen-fix-sls-mitigation-in-xen_hypercall_iret.patch