6062 Workaround broken KVM handling of directed EOIs Reviewed by: Robert Mustacchi <rm@joyent.com> Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com> Reviewed by: Dan Kimmel <dan.kimmel@delphix.com> Approved by: Hans Rosenfeld <rosenfeld@grumpf.hope-2000.org>

4806 define x2apic feature flag 4807 pcplusmp & apix should use x2apic feature flag Reviewed by: Robert Mustacchi <rm@joyent.com> Approved by: Dan McDonald <danmcd@omniti.com>

4805 apic_mode global should be an enum Reviewed by: Robert Mustacchi <rm@joyent.com> Approved by: Dan McDonald <danmcd@omniti.com>

6824013 Implement broadcast EOI suppression for Nehalem based processors having interrupt remapping support

6867920 undefined symbol 'apic_have_32bit_cr8' booting 32 bit xVM and nv 120

6848982 32 bit kernel should use %cr8 to access the TPR when possible

6808469 panic in x2apic_send_ipi() while running stress test triggered by self-IPI

6802621 pcplusmp fails to EOI local APIC in directed-EOI mode causing interrupts to wedge

6755820 race if breakpoint is set on mp_startup() or apic_post_cpu_start() in x2APIC mode

6749646 cpuid_pass2 stomps on cpi_xmaxeax 6751751 race in xc_common() & xc_serv() since WRMSR can not be used as a serializing instruction in x2apic

6738328 apic_send_EOI() can panic in 32-bit if x2apic is enabled in CPU

6528768 apic_navail_vector() fails when IPL equals 8 or 9 6680545 x2APIC support in Solaris x86 Initial Code Contributed by Intel <ashok.raj@intel.com & borun.fu@intel.com>