[Xen-devel] 3.10 xenU memleaks

[William Dauchy <william@xxxxxxxxx>]

Hello,

I am facing random memleaks with a xenU 3.10.x pv (x86_64);
sometimes without issue and sometimes after a reboot, the
kernel starts to memleak a lot until OOM.

config: hypervisor xen4.1, dom0 v3.4.x (x86_32)

I got no issue with a xenU v3.12.x pv; the only difference in dmesg was
about APIC.

I manually backported the following patch:
6efa20e xen: Support 64-bit PV guest receiving NMIs
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -427,8 +427,7 @@ static void __init xen_init_cpuid_mask(void)
 
        if (!xen_initial_domain())
                cpuid_leaf1_edx_mask &=
-                       ~((1 << X86_FEATURE_APIC) |  /* disable local APIC */
-                         (1 << X86_FEATURE_ACPI));  /* disable ACPI */
+                       ~((1 << X86_FEATURE_ACPI));  /* disable ACPI */


and my issue is completely fixed. Should it backported for stable?

Thanks,
-- 
William

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