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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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7f7fbf45c6
Interrupt-remapping gets enabled very early in the boot, as it determines the apic mode that the processor can use. And the current code enables the vt-d fault handling before the setup_local_APIC(). And hence the APIC LDR registers and data structure in the memory may not be initialized. So the vt-d fault handling in logical xapic/x2apic modes were broken. Fix this by enabling the vt-d fault handling in the end_local_APIC_setup() A cleaner fix of enabling fault handling while enabling intr-remapping will be addressed for v2.6.38. [ Enabling intr-remapping determines the usage of x2apic mode and the apic mode determines the fault-handling configuration. ] Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> LKML-Reference: <20101201062244.541996375@intel.com> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: stable@kernel.org [v2.6.32+] Acked-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> |
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| .. | ||
| apic_flat_64.c | ||
| apic_noop.c | ||
| apic.c | ||
| bigsmp_32.c | ||
| es7000_32.c | ||
| hw_nmi.c | ||
| io_apic.c | ||
| ipi.c | ||
| Makefile | ||
| nmi.c | ||
| numaq_32.c | ||
| probe_32.c | ||
| probe_64.c | ||
| summit_32.c | ||
| x2apic_cluster.c | ||
| x2apic_phys.c | ||
| x2apic_uv_x.c | ||