mirror of https://gitee.com/openkylin/linux.git
6e1cb38a2a
x2apic support. Interrupt-remapping must be enabled before enabling x2apic, this is needed to ensure that IO interrupts continue to work properly after the cpu mode is changed to x2apic(which uses 32bit extended physical/cluster apic id). On systems where apicid's are > 255, BIOS can handover the control to OS in x2apic mode. Or if the OS handover was in legacy xapic mode, check if it is capable of x2apic mode. And if we succeed in enabling Interrupt-remapping, then we can enable x2apic mode in the CPU. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar <mingo@elte.hu> |
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| .. | ||
| cpufreq | ||
| mcheck | ||
| mtrr | ||
| Makefile | ||
| addon_cpuid_features.c | ||
| amd.c | ||
| amd_64.c | ||
| bugs.c | ||
| bugs_64.c | ||
| centaur.c | ||
| centaur_64.c | ||
| common.c | ||
| common_64.c | ||
| cpu.h | ||
| cyrix.c | ||
| feature_names.c | ||
| intel.c | ||
| intel_64.c | ||
| intel_cacheinfo.c | ||
| perfctr-watchdog.c | ||
| proc.c | ||
| transmeta.c | ||
| umc.c | ||